# stemvolt.in > Buy Electronics Components, Robotics Kits, Drone Parts - Stemvolt ## Posts - [ESP32-WROOM Module: Features, Uses, and Getting Started Guide](https://stemvolt.in/esp32-wroom-module-features-uses-and-getting-started-guide/): ESP32 WROOM - [Top 10 Arduino Projects for Beginners in 2026 | Easy DIY Robotics Ideas](https://stemvolt.in/top-10-arduino-projects-for-beginners-in-2026/): Introduction If you are a beginner in electronics, robotics, or programming, the best way to start your journey is with Top 10 Arduino Projects for Beginners in 2026. Arduino is an open-source microcontroller platform that is affordable, beginner-friendly, and supported by a huge global community. With just a few basic components, you can build exciting DIY projects ranging from blinking LEDs to smart home automation systems. In 2026, Arduino continues to be one of the most popular learning tools for students, hobbyists, and makers. Whether you are a school student exploring STEM, a college student working on engineering projects, or - [Sensor Modules in Electronics: Types, Working & IoT, Robotics Uses | StemVolt](https://stemvolt.in/sensor-modules-in-electronics-types-working-iot-robotics-uses-stemvolt/): What is a Sensor Module? In today’s technology-driven world, sensor modules are everywhere – from the phone in your pocket to industrial machines. A sensor module is an electronic device that detects changes in the environment, such as temperature, light, motion, or gas, and converts them into electrical signals. These signals can be read and processed by controllers like Arduino, Raspberry Pi, or ESP32 to perform specific tasks. Whether it’s a robot detecting an obstacle, a weather station tracking humidity, or a smart home turning lights on automatically, sensor modules make it possible. Common Types of Sensor Modules 1. Temperature - [Buy Premium Drone Parts in India – Stemvolt’s Complete Guide for Builders & Institutions](https://stemvolt.in/drone-parts-in-india-stemvolt/): The Heart of Every Drone is in its Parts Drones have revolutionized industries – from agriculture and surveillance to STEM education and filmmaking. But the real secret behind a high-performing drone lies in the quality of its parts. Whether you’re a DIY enthusiast, a professional pilot, or an educational institute setting up a PM SHRI or ATL Drone Lab, having the right components is the difference between a smooth flight and a crash landing. At Stemvolt, we specialize in supplying premium drone parts in India – all tested for performance, durability, and compatibility. With our expert guidance, nationwide delivery, and - [Buy Electronic Components Online in India – Trusted Source for Quality Parts](https://stemvolt.in/electronic-components-online-in-india/): Looking for affordable and genuine electronic components online in India? Whether you’re a student, DIY maker, or lab developer, finding high-quality parts at the right price is key. In this guide, we’ll introduce you to India’s most trusted online source — StemVolt, and explain why it’s the smart choice over marketplaces like Amazon. Why StemVolt is India’s Best Electronics Store StemVolt.in is a 100% Indian brand built for engineers, learners, hobbyists, and educators. With competitive prices, authentic products, and nationwide shipping, StemVolt has quickly become the go-to destination for electronics. Here’s why: ➡ Start shopping at: https://stemvolt.in Electronic components are - [Arduino UNO R4 Minima & R4 WiFi – Made in India, Now Available on StemVolt](https://stemvolt.in/arduino-uno-r4-minima-r4-wifi-made-in-india/): Introduction to the Next Generation Arduino R4 Boards In the world of embedded systems and electronics innovation, Arduino Uno R4 Minima and Arduino Uno R4 WiFi are rapidly gaining popularity among students, makers, and professionals. These next-gen boards—now Made in India—offer upgraded performance, enhanced memory, and seamless connectivity, enabling more powerful and scalable projects. At StemVolt, we proudly bring these boards to Indian innovators at affordable prices with all the support you need to get started. What is Arduino Uno R4 Minima? The Arduino Uno R4 Minima is a compact yet powerful upgrade from the classic Uno R3. It features - [Robotics Kits for Students in India from Stemvolt – Learn, Build, Innovate](https://stemvolt.in/robotics-kits-for-students-in-india/): In 2025, the future of learning is all about hands-on experiences. With the growing importance of robotics in education, STEMVOLT brings you a wide range of Robotics Kits for students in India designed to spark curiosity, creativity, and practical learning. At Stemvolt, we understand the needs of Indian students, educators, and innovators. Our robotics kits are curated to match the school curriculum, support ATL labs, and promote real-world problem-solving skills through DIY learning. Why Choose Robotics Kits from Stemvolt? Designed for students from class 6 to college level Based on core STEM principles (Science, Technology, Engineering, Mathematics) Compatible with Arduino, - [How to Use Arduino for Projects: A Complete Beginner’s Guide | Stemvolt](https://stemvolt.in/how-to-use-arduino-projects-easy-guide-by-stemvolt/): Introduction Arduino is one of the most popular open-source electronics platforms used in school projects, robotics, IoT systems, and home automation. If you’re just starting out and wondering how to use Arduino for projects, this blog from Stemvolt.in is your one-stop beginner guide. What is Arduino? Arduino is a microcontroller development board that lets you control sensors, motors, and displays by writing simple code. It’s perfect for students, hobbyists, and makers.At Stemvolt, we offer original and compatible Arduino UNO, Nano, Mega boards, and shields to kickstart your journey. Why Use Arduino for Your Projects? Easy to learn & beginner-friendlyLarge community - [Line Follower Robot Car with Arduino](https://stemvolt.in/line-follower-robot-car-with-arduino/): Line Follower Robot Car with Arduino – Easy DIY Project Guide Introduction Looking for a simple yet exciting Arduino project? Building a Line Follower Robot Car using Arduino is one of the best DIY projects for beginners, school students, and hobbyists. This project teaches robotics fundamentals, sensor integration, and Arduino coding in a fun way. At Stemvolt, we provide all required components and kits to make your Line Follower project successful. What is a Line Follower Robot? A Line Follower Robot is an autonomous robot that follows a specific path, usually a black line on a white surface, using infrared - [HC-SR04 Ultrasonic Sensor](https://stemvolt.in/hc-sr04-ultrasonic-sensor/): Complete Guide: How to Use HC-SR04 Ultrasonic Sensor with Arduino | Stemvolt Introduction The HC-SR04 Ultrasonic Sensor is a simple yet powerful electronic sensor used for distance measurement. It is widely used in robotics, obstacle detection, and DIY electronics projects. In this guide, you will learn how to use HC-SR04 with Arduino, its working principle, wiring diagram, coding, and applications. At Stemvolt, we offer premium-quality HC-SR04 sensors with quick delivery across India. What is HC-SR04 Ultrasonic Sensor? The HC-SR04 Ultrasonic Sensor uses sonar technology to measure distance. It sends an ultrasonic pulse and calculates the time taken for the echo - [NodeMCU ESP8266](https://stemvolt.in/nodemcu-esp8266/): Complete Guide on NodeMCU ESP8266: Best IoT WiFi Development Board for Beginners Introduction If you are planning to build IoT Projects or smart automation using WiFi, the NodeMCU ESP8266 Development Board is one of the best choices for students, hobbyists, and engineers. At Stemvolt, we supply original, tested NodeMCU boards with fast shipping across India. What is NodeMCU ESP8266? NodeMCU ESP8266 is an open-source IoT development board based on the ESP8266 WiFi module. It comes with: Inbuilt WiFi connectivity USB to serial converter Compact design and affordable price Easy programming via Arduino IDE or Lua Script Key Features of NodeMCU - [L298 Motor Driver Module](https://stemvolt.in/l298-motor-driver-module/): What is L298 Motor Driver The L298 Motor Driver Module is one of the most popular motor driver boards used in DIY robotics projects, Arduino cars, and IoT systems. It is a dual H-Bridge motor driver that allows you to easily control the speed and direction of DC motors and Stepper motors.At Stemvolt, we offer the best quality L298 Motor Driver Modules with fast shipping all over India. Key Features of L298 Motor Driver Dual H-Bridge Motor Driver (controls 2 DC motors or 1 stepper motor) Voltage: 5V – 35V, Current up to 2A per channel Built-in Heat Sink for ## Pages - [Support](https://stemvolt.in/support-2/): At Stemvolt, We are Dedicated to Providing Exceptional Customer Support to Ensure your Experience with us is Seamless and Enjoyable. Our knowledgeable and Experienced Support team is here to Assist you with any Questions or Concerns you may have, from Pre-sales inquiries to Post-sales Support. How to Reach Us Email: For general inquiries, order-related questions, or technical support, please email us at support@stemvolt.in Phone: You can reach our customer support team by calling +91 8078638838. Our phone lines are open Monday to Friday, 11 AM to 7 PM. Live Chat: Visit our website and use the live chat feature to get immediate assistance - [Shipping & Delivery Policy](https://stemvolt.in/shipping-policy/): Shipping & Delivery Policy Stemvolt’s Efficient Shipping: Fast Dispatch, Trusted Couriers, and Seamless Tracking Shipping Coverage Stemvolt Innovation offers shipping services across India, ensuring timely and reliable delivery through our trusted logistics partners. Order Processing & Dispatch Orders are processed and dispatched upon confirmation and stock availability. Most orders are shipped the same day, except on Sundays and public holidays. In rare cases, delays may occur due to unforeseen circumstances such as public holidays, strikes, or environmental factors. Delivery Estimation 99% of our orders are shipped within 24 hours. Surface Delivery: Typically takes 3-8 days. Delivery timelines vary based on - [Terms & Conditions](https://stemvolt.in/terms-conditions/): Welcome to Stemvolt! By accessing and using our website (www.stemvolt.in), you agree to comply with and be bound by the following terms and conditions. If you do not agree with any part of these terms, please do not use our website. 1. General Information The content of this website is for general informational purposes only and is subject to change without notice. We do not guarantee the accuracy, completeness, or suitability of the information provided on this website. By using this site, you acknowledge that errors or inaccuracies may exist, and we expressly exclude liability for any such issues to - [Shop](https://stemvolt.in/shop/) - [Refund and Returns Policy](https://stemvolt.in/refund_returns/): At Stemvolt Innovation, we are committed to providing high-quality products with accurate descriptions as mentioned on our website. Return Eligibility We accept returns under the following conditions: The product is defective, damaged, or incorrect upon arrival. The return request is raised within 5 days of delivery. The product must be unused, in its original packaging, with all accessories and invoice. Non-returnable items: Custom-made products, clearance sale items, or consumables (batteries, wires, etc.) cannot be returned.  Return Process 1. Contact us at Support@stemvolt.in or +91 80786 38838 with your order details and issue. 2. Our team will review the request and - [My account](https://stemvolt.in/my-account/) - [Checkout](https://stemvolt.in/checkout/) - [Cart](https://stemvolt.in/cart/) - [Privacy Policy](https://stemvolt.in/privacy-policy/): Effective Date:  30/05/2024 At Stemvolt, accessible from www.stemvolt.in, we are committed to protecting your privacy. This Privacy Policy outlines how we collect, use, and safeguard your personal information. By using our website, you agree to the terms outlined in this policy. 1. Information We Collect We may collect the following information: Name and date of birth Contact details including email address and phone number Demographic information such as location, preferences, and interests Other information relevant to customer surveys and offers 2. How We Use Your Information The information collected is used for: Internal record keeping Enhancing our products and services - [Wishlist](https://stemvolt.in/wishlist/): My account Dashboard Orders Downloads Addresses Account details Wishlist Logout Your products wishlist Share: Remove Select all Deselect all - [STEM Labs](https://stemvolt.in/stem-labs/): Best PM SHRI & ATL Lab Supplier in India Revolutionize Education with Stemvolt: Future-Ready STEM Labs Stemvolt is a trusted brand for Trusted ATL & PM SHRI LAB SETUP supplier, offering school lab packages that boost hands-on learning. With affordable pricing and quality equipment, Stemvolt helps your school build a future-ready learning space.Benefits of PM SHRI & ATL Lab Setup from Stemvolt:Ready-to-Install Lab Kits as per Government StandardsSTEM DIY Kits to Enhance Practical LearningTechnical Support, Maintenance & TrainingFast Nationwide Delivery & On-Time Setup Guarantee A Complete Guide to Robotics for Everyone. Robotics Courses by Codru Education Codru Education offers the - [Contact Us](https://stemvolt.in/contact-us/): Contact Us  Phone: +918078638838 Working Hours – 11:00 Am to 6:00 PM  Any Enquiry for Bulk & B2B Email: support@stemvolt.in Address 1st floor, Shop No. 116, Janakdeep Complex, Gumanpura Road, Kota-324007, Rajasthan  Get in Touch Contact Form Full NameMobile NumberEmailYour MessageSubmit Form Need a Help? +91 8078638838 WhatsApp Email: support@stemvolt.in Subscribe us - [Compare](https://stemvolt.in/compare/): Remove AOC Q24P2Q £280.00 Add to cart Remove AOC AGON AG493UCX Rated 5.00 out of 5 based on 1 customer rating £1,500.00 Add to cart Remove Acer ProDesigner PE320QK £750.00 Add to cart Description Logitech G735 Phenomenal performance for professionals A small river named Duden flows by their place and supplies it with the Logitech G735 Phenomenal performance for professionals A small river named Duden flows by their place and supplies it with the Logitech G735 Phenomenal performance for professionals A small river named Duden flows by their place and supplies it with the Sku 214005 2324626 2144207 Availability 29 - [About-us | Stemvolt - Electronics & Robotics Store](https://stemvolt.in/about-us-stemvolt-electronics-robotics-store/): ABOUT US India’s Trusted Source for High-Quality Electronics, Robotics Components, and Drone Parts. About-us | Stemvolt – Electronics & Robotics Store StemVolt is an India-based technology brand founded in 2023, inspired by a journey that began in 2020 with the start of my YouTube channel, VK Mechanics. On this channel, I focused on building and demonstrating working engine models such as Stirling engines, steam engines, and various mechanical systems. This hands-on experience and passion for engineering sparked a deeper interest in promoting STEM education and practical learning across the country. With that inspiration, Stemvolt Innovation was born — a platform - [Blogs](https://stemvolt.in/blogs/) - [Buy Robotics, Electronic Components & DIY Kits Online](https://stemvolt.in/): STEM DIY KITS Build the Future with STEM DIY Kits Spark learning and Creativity. Shop Now Development Bords and Microcontrollers Make Anything You Can Imagine. Shop Now Drone & Aeromodeling Get hands-on with cutting-edge DRONE Technology. Order Now IOT & Wireless Buy Now Sensors Signal Conversion Buy Now Robotics Parts Wheels & Gears Shop Now Categories DEVELOPMENT BOARDS DRONE PARTS IOT And WIRELESS ELECTRONIC MODULES BATTERIES And ACCESSORIES SENSORS MOTORS And DRIVERS ELECTRONIC COMPONENTS ROBOTICS PARTS TOOLS And ACCESSORIES DISPLAY MODULES CONNECTORS AND CABLES STEM DIY KITS Best Price Guaranteed More Sensors Quick view HC-SR505 Mini Infrared PIR Motion Detector ## Products - [Long Nose Plier – 6 Inch](https://stemvolt.in/long-nose-plier-6-inch/): Durable 6-inch long nose plier made from chrome vanadium steel, designed for precision work, gripping, bending, and cutting in electronics, electrical, and general repair applications. Comfortable long handle grip ensures firm control and reduced hand fatigue.   Features: Made from high-strength chrome vanadium steel Long nose design for precision in tight spaces Anti-slip long handle grip for comfort and control Corrosion-resistant finish for longer life Suitable for electronics, electrical, and household use   Specifications: Parameter Value Type Long Nose Plier Size 6 inch Material Chrome Vanadium Steel Handle Long grip, anti-slip Finish Corrosion-resistant Applications Electronics, electrical, household, repair   Package - [12V DC Gear Motor – 200 RPM](https://stemvolt.in/12v-dc-gear-motor-200-rpm/): A compact and durable 12V DC geared motor designed for robotics, automation, and mechanical projects. With 200 RPM output and a strong center shaft, it ensures reliable performance across various DIY and professional applications.   Features: High-quality metal gears for durability Better wear resistance with sealed gearbox Pre-lubricated with lithium grease, no maintenance needed Operates smoothly from 4V to 12V for flexible RPM range Center shaft with threaded hole for easy wheel/mechanical coupling   Specifications: Parameter Value Motor Type DC Geared Motor Voltage Range 4V – 12V Rated Voltage 12V Rated Speed 200 RPM Shaft Type Center shaft with 3 - [120dB 12V Red Alarm Siren – Plug-in Security System Projects](https://stemvolt.in/120db-12v-red-alarm-siren-plug-in-security-system-projects/): Compact and powerful 120dB alarm siren designed for home security systems. Easy to install with a plug-in design, it provides a loud, piercing sound when triggered by a connected keypad or console. Built with durable materials, ensuring long service life and reliable performance.   Features: Produces a loud 120dB alarm sound for security alerts Simple plug-in installation, no complex wiring required Compatible with home security consoles and keypads Lightweight, compact, and easy to mount Durable construction for long-lasting use   Specifications: Parameter Value Material Plastic + Metal Rated Voltage 12V DC Sound Level 120 dB Frequency 3.8 kHz ± 10% - [HC-SR04 Ultrasonic Sensor Acrylic Holder](https://stemvolt.in/hc-sr04-ultrasonic-sensor-acrylic-holder/): Transparent acrylic holder designed for securely mounting the HC-SR04 ultrasonic distance sensor. Lightweight yet durable, it keeps the sensor properly aligned for accurate distance measurement in robotics and DIY projects. Comes with screws for easy installation on chassis or enclosures.   Features: Transparent acrylic design, lightweight and durable Provides secure mounting for HC-SR04 ultrasonic sensor Pre-drilled holes for easy installation Includes screws for quick setup Suitable for robotics, obstacle avoidance, and DIY electronics   Specifications: Parameter Value Material High-quality acrylic Compatibility HC-SR04 ultrasonic sensor Mounting Pre-drilled holes + screws Weight Lightweight Fit Standard HC-SR04 sensor size   Package Includes: 1 - [Johnson Geared Motor 300 RPM 12V DC for Robotics](https://stemvolt.in/johnson-geared-motor-300-rpm-12v-dc-for-robotics/): High-quality Johnson geared motor designed for robotics and automation projects. Operating at 12V DC, this motor delivers 300 RPM speed with reliable torque output, making it suitable for building robots, DIY machines, and motion control systems. Compact and durable, it ensures stable performance across various applications.   Features: Johnson geared motor with 300 RPM speed Operates on 6V to 24V (nominal 12V) Strong metal gearbox for long life and reliability Suitable for robotics, automation, and DIY projects Compact design for easy integration   Specifications: Parameter Value Model Name 300 RPM Johnson Motor Speed 300 RPM Voltage Range 6V – 24V - [150 Pcs Resistor Kit – 30 Values Assorted (1/4W)](https://stemvolt.in/150-pcs-resistor-kit-30-values-assorted-1-4w/): This resistor kit includes 150 pieces of high-quality 1/4W resistors in 30 commonly used values. Perfect for prototyping, electronics projects, DIY kits, and circuit testing. Comes neatly packed in a plastic storage box for easy organization.   Features: 150 pcs resistor assortment kit Covers 30 different resistance values Power rating: 1/4 Watt Ideal for DIY electronics, robotics, and prototyping Comes in a compact plastic box for storage   Values Included (Examples): 1Ω, 2.2Ω, 4.7Ω, 10Ω, 22Ω, 33Ω, 47Ω, 68Ω, 100Ω, 150Ω, 220Ω, 330Ω, 470Ω, 560Ω, 680Ω, 1KΩ, 2.2KΩ, 3.3KΩ, 4.7KΩ, 6.8KΩ, 10KΩ, 22KΩ, 33KΩ, 47KΩ, 68KΩ, 100KΩ, 220KΩ, 330KΩ, 470KΩ, - [MAX7219 8x8 Red LED Dot Matrix Display Module for Arduino](https://stemvolt.in/max7219-8x8-red-led-dot-matrix-display-module-for-arduino/): 8×8 LED dot matrix module powered by the MAX7219 display controller IC. Designed for simple control using only three data lines and two power lines, it’s fully compatible with Arduino and other microcontroller platforms. Modules can be easily chained together via serial interface to build larger displays, while brightness can be adjusted in software for flexible use.   Features: 8×8 red LED dot matrix display Controlled by MAX7219 IC for simplified wiring Requires only 3 data lines + 2 power lines Adjustable brightness via software control Supports cascading multiple modules over serial interface Fully compatible with Arduino and other microcontrollers - [ESP32-CAM Programming Module Base Board](https://stemvolt.in/esp32-cam-programming-module-base-board/): Compact base board designed for programming and interfacing the ESP32-CAM module. Equipped with a CH340G USB to UART chip and Micro USB connector, it allows seamless communication between the ESP32-CAM and your PC. Can also function as a general USB to UART board for other development applications.   Features: Compatible programming base for ESP32-CAM modules Built-in CH340G USB to UART driver for stable communication Micro USB connector for direct PC connection Reset button for convenient module control Can be used as a programming/host board or standalone USB to UART interface   Specifications: Parameter Value Driver Chip CH340G Connector Type Micro - [NodeMCU Base Board for ESP8266 V3](https://stemvolt.in/nodemcu-base-board-for-esp8266-v3/): Compact and reliable baseboard designed for the NodeMCU ESP8266 V3 development module. This breakout board makes it easy to access all I/O ports, providing stable power management and convenient connectivity for peripheral modules. A perfect foundation for Wi-Fi IoT projects and hardware prototyping.   Features: Handy and compact module for NodeMCU V3 Breaks out all I/O ports of the ESP-12E development board Provides both 5V and 3.3V power supply pins Onboard 5V / 1A DC-DC step-down converter circuit Includes power indicator for status monitoring Supports easy connection with peripheral modules USB power output compatible only with NodeMCU V3   Specifications: - [DC 4-40V LED Digital Voltmeter – Ultra Low Starting Voltage, High Accuracy](https://stemvolt.in/dc-4-40v-led-digital-voltmeter-ultra-low-starting-voltage-high-accuracy/): Compact LED digital voltmeter designed for monitoring DC battery voltage with high accuracy. It operates from an ultra-low starting voltage, ensuring stable and reliable readings even in low-power conditions. Ideal for use in battery monitoring, DIY electronics, and voltage measurement applications.   Features: Wide input range: DC 4V to 40V Ultra low starting voltage for early monitoring Stable performance with precise measurement accuracy Bright LED display for easy visibility Standard size, easy to install in DIY projects and monitoring setups Suitable for battery voltage monitoring and general electronics use   Specifications: Parameter Value Input Voltage DC 4V – 40V Display - [Metal Robot Chassis for 2 Motors – Durable Frame with Mounting Holes](https://stemvolt.in/metal-robot-chassis-for-2-motors-durable-frame-with-mounting-holes/): Sturdy metal chassis designed to hold 2 motors, making it a reliable base for mobile robot projects. Built with multiple perforated holes, this chassis allows easy mounting of circuit boards, sensors, and other mechanical components. Its versatile design supports differential drive configurations and provides a strong foundation for custom robotics builds.   Features: Durable metal body with high load capacity Compatible with center shaft and side shaft gear motors Multiple perforated holes for flexible mounting of boards and sensors Suitable for differential drive setups (2 wheels + 1 caster wheel) Ideal as the backbone frame for mobile robots and DIY - [Mini Plastic Rack Gear 74 Teeth, 144mm Length, 8mm Width](https://stemvolt.in/mini-plastic-rack-gear-74-teeth-144mm-length-8mm-width/): Compact mini plastic rack gear with 74 teeth, designed for lightweight and precise linear motion. Its small size makes it ideal for miniature models, toys, and DIY mechanical projects where space is limited. The double-sided strip ensures smooth engagement with compatible pinion spur gears.   Features: Mini size for compact applications 74 teeth rack gear for precise movement Lightweight yet durable plastic construction Double-sided design for versatile installation Perfect for toys, scale models, and DIY mechanisms   Specifications: Parameter Value Material Plastic Teeth 74 Length 144 mm Width 8 mm Type Mini double-sided linear gear strip   Package Includes: 1 - [Plastic Rack Gear Medium Size - 50 Teeth, 230mm Length, 15mm Width](https://stemvolt.in/plastic-rack-gear-medium-size-50-teeth-230mm-length-15mm-width/): Reliable plastic rack gear with 50 teeth, designed for efficient and smooth linear motion. Perfect for DIY projects, mechanical models, and toy applications, this double-sided gear strip offers consistent performance and easy compatibility with pinion spur gears.   Features: Strong plastic construction for long-lasting use 50 teeth rack gear for controlled motion transfer Double-sided design for flexible applications Works seamlessly with pinion spur gears Suitable for DIY builds, toys, and mechanical models   Specifications: Parameter Value Material Plastic Teeth 50 Length 230 mm Width 15 mm Type Double-sided linear gear strip   Package Includes: 1 × Plastic Rack Gear Strip - [Long Plastic Rack Gear 82 Teeth, 381mm Length, 14mm Width](https://stemvolt.in/long-plastic-rack-gear-82-teeth-381mm-length-14mm-width/): Durable plastic rack gear with 82 teeth, designed for smooth and precise linear motion. Ideal for DIY projects, models, and mechanical toys, this double-sided gear strip ensures reliable performance and easy integration with matching pinion spur gears.   Features: High-quality plastic construction for durability 82 teeth rack gear for accurate motion transfer Double-sided design for versatile use Compatible with pinion spur gears Suitable for models, toys, and DIY mechanical builds   Specifications: Parameter Value Material Plastic Teeth 82 Length 381 mm (15 inch) Width 14 mm Type Double-sided linear gear strip   Package Includes: 1 × Plastic Rack Gear Strip - [12V 300RPM DC Gear Motor – High Torque Output](https://stemvolt.in/12v-300rpm-dc-gear-motor-high-torque-output/): 300RPM 12V DC motor with sealed metal gearbox and high torque output. Ideal for robotics, automation, and heavy-load DIY mechanical projects. - [6-Inch Cutting Hand Pliers – Mild Steel Grip Tool](https://stemvolt.in/6-inch-cutting-hand-pliers-mild-steel-grip-tool/): 6-inch cutting hand pliers made of durable mild steel with a strong grip. Ideal for cutting wires and gripping small components in electrical or mechanical work. - [Reversible Magnetic Screwdriver](https://stemvolt.in/reversible-magnetic-screwdriver/): Magnetic 2-in-1 reversible hex screwdriver with durable grip and CRV steel tip. Ideal for electronics, DIY, and repair tasks. - [MPU-6050 Gyroscope | Accelerometer Sensor Module](https://stemvolt.in/mpu-6050-gyroscope-accelerometer-sensor-module/): MPU-6050 6-axis sensor with gyroscope and accelerometer, ideal for motion tracking in robotics and DIY electronics. - [Official Arduino UNO EK (एक) R4 Minima - Made in India](https://stemvolt.in/official-arduino-uno-r4-minima-abx00080/): Official Arduino UNO R4 Minima – 32-bit development board with expanded memory and enhanced features. - [F450 F550 Tall Skid Landing Gears for Multicopter Quadcopter](https://stemvolt.in/f450-f550-tall-skid-landing-gears-set-of-4-for-quadcopter-frames/): Tall landing gear set for DJI F450/F550 quadcopters. Designed for improved ground clearance and stable landings in FPV and aerial photography setups. - [GSM Antenna – 2dBi Gain Rubber Duck with SMA Right Angle Connector](https://stemvolt.in/gsm-antenna-2dbi-gain-rubber-duck-with-sma-right-angle-connector/):

🏷 Best Price • 100% Genuine Parts • Express Shipping

💰 All Prices Inclusive of GST – No Hidden Charges

🚚 Free Shipping on Orders ₹999+ | COD Available

⏱ Delivery Timeline: 3–8 Business Days Across India

🔒 Trusted & Secure Payments • Fast Dispatch • Easy Returns

🎓 Perfect for Students, DIY Makers & Bulk B2B Orders

- [DC24V 20mm 12LED Ultrasonic Humidifier Mist Maker – Fogger Nebulizer](https://stemvolt.in/dc24v-20mm-12led-ultrasonic-humidifier-mist-maker-fogger-nebulizer/): Ultrasonic mist maker with 12 colorful LEDs and DC 24V operation. Ideal for humidifiers, fish tanks, indoor fountains, and decorative fogging applications. - [Ultrasonic Sensor Mounting Case](https://stemvolt.in/ultrasonic-sensor-mounting-case/): Acrylic case holder designed for securely mounting HC-SR04 ultrasonic sensor modules in DIY, robotic, or embedded applications. - [STM32F103C8T6 Development Board STM32 ARM Core Module](https://stemvolt.in/stm32f103c8t6-development-board-stm32-arm-core-module/): Compact STM32F103C8T6 development board with ARM Cortex-M3 core, ideal for embedded systems, prototyping, and learning microcontroller programming. - [SMA Connector Female – Right Angle (PCB Mount)](https://stemvolt.in/sma-connector-female-right-angle-pcb-mount/): Right angle SMA female connector ideal for RF applications including GSM, GPS, and IoT devices. Ensures stable signal transmission with reliable antenna compatibility. - [9-in-1 Multi-Function Expansion Shield for Arduino – DHT11/LM35/Buzzer/Humidity/Ir Receiver/Potentiometer/LED/LDR](https://stemvolt.in/9-in-1-multi-function-expansion-shield-for-arduino-dht11-lm35-buzzer-humidity-ir-receiver-potentiometer-led-ldr/): Versatile 9-in-1 expansion shield for Arduino with integrated sensors including DHT11, LM35, LDR, and more. Ideal for beginners, STEM learning, and rapid sensor-based prototyping. - [SIM800C Quadband GSM GPRS TTL Module with Antenna](https://stemvolt.in/sim800c-quadband-gsm-gprs-ttl-module-with-antenna/): GSM/GPRS module with TTL interface, voice/SMS/data support, Bluetooth, and audio pins. Ideal for IoT and automation projects. Automatically connects to network on power-up. - [25mm Double-Sided Nano Tape-3 Meter](https://stemvolt.in/25mm-double-sided-nano-tape-3-meter/): Nano Tape is a reusable, washable, BPA-free adhesive gel roll that securely sticks to smooth surfaces—perfect for hanging, mounting, organizing, and DIY fixes anywhere. - [Plastic Spur Gear 27mm 24 Teeth](https://stemvolt.in/plastic-spur-gear-27mm-24-teeth/): High-quality plastic spur gear with 24 teeth and a 6 mm bore. Lightweight, durable, ideal for hobby electronics and automotive projects—smooth operation with straight-cut teeth. - [Double Sided Foam Tape 30mm | 3 Meter](https://stemvolt.in/double-sided-foam-tape-30mm-3-meter/): Wonder-555 is a reliable white double-sided tape suitable for a variety of household, office, or DIY applications. With strong adhesive on both sides, it offers a clean solution for sticking paper, light objects, decorations, or mounting needs. RF30 indicates the tape size type. Simple to apply, cut, and press—this tape is a handy essential for everyday fixes and craft projects.   Features: Strong double-sided adhesive Clean white surface Easy to cut and apply Ideal for crafts, fixes, and mounting Leaves minimal residue when removed   Specifications: Parameter Details Product Type Double-sided tape Color White Model/Code RF30 Adhesive Type Pressure-sensitive on - [Double Sided Foam Tape 20mm | 3 Meter](https://stemvolt.in/double-sided-foam-tape-20mm-3-meter/): Wonder-555 Double Sided Tape in RF20 size offers strong adhesive performance in a smaller, more precise roll. Ideal for craft projects, paper sticking, lightweight mounting, and general office or home use. Its clean white look blends well with most surfaces and ensures easy application with minimal residue. A go-to tape for everyday convenience. Features: Reliable dual-side adhesive Clean, white finish Ideal for lightweight and precision tasks Easy to cut, apply, and remove Suitable for home, office, and DIY work Specifications: Parameter Details Product Type Double-sided tape Color White Model/Code RF20 Adhesive Type Pressure-sensitive (both sides) Usage Crafts, Office, Daily Fixes - [Black Self Adhesive PVC Electrical Insulation Tape](https://stemvolt.in/black-self-adhesive-pvc-electrical-insulation-tape/): Durable black PVC insulation tape designed for electrical use up to 600V. Ideal for wire wrapping, joint insulation, and general electrical safety applications. - [Masking Tape Roll 25mm | 25 Meter](https://stemvolt.in/masking-tape-roll-25mm-25-meter/): General-purpose masking tape for clean, temporary surface protection. Ideal for painting, labeling, packaging, and DIY use. Easy to tear, apply, and remove without residue. - [Robot Wheel 65mm for BO Gear Motor](https://stemvolt.in/robot-wheel-65mm-for-bo-gear-motor/):

🏷 Best Price • 100% Genuine Parts • Express Shipping

💰 All Prices Inclusive of GST – No Hidden Charges

🚚 Free Shipping on Orders ₹999+ | COD Available            Tc

⏱ Delivery Timeline: 3–8 Business Days Across India         Tc

🔒 Trusted & Secure Payments • Fast Dispatch • Easy Returns     Tc

🎓 Perfect for Students, DIY Makers & Bulk B2B Orders

- [Robot Wheel – 70×40 mm for 6 mm Shaft Gear Motor](https://stemvolt.in/robot-wheel-7x4-cm-for-6-mm-shaft-gear-motor-single-piece/): Sturdy robot wheel designed for 6 mm shaft DC gear motors. Provides excellent surface grip and smooth movement. Includes screw for secure fitting. Ideal for DIY robotics. - [DIY Automatic Street Light Kit – LDR Sensor Circuit Model](https://stemvolt.in/diy-automatic-street-light-kit-ldr-sensor-circuit-model/): Introduce real-world automation with this DIY Automatic Street Light Kit. Designed for STEM learners and school projects, this kit uses an LDR (light-dependent resistor) to detect ambient light levels and automatically turn the LED strip on or off. It simulates how smart street lighting systems work, offering hands-on experience with sensors, relay circuits, and simple automation logic. With a clean assembly process and engaging functionality, it’s perfect for understanding light-based control systems and electronics used in modern public infrastructure. - [DIY Fire Alarm Kit | Heat Sensor Alert System for Students](https://stemvolt.in/diy-fire-alarm-kit-heat-sensor-alert-system-for-students/): Build a working fire detection system with this DIY Fire Alarm Kit, designed for students and beginners exploring safety technology. It uses a heat-sensitive sensor to detect high temperatures or flame presence, triggering a buzzer alert when a threshold is reached. Ideal for science projects and STEM learning, this kit introduces users to thermal sensors, basic circuit logic, and real-world safety systems. Easy to assemble and educational, it offers hands-on experience in how electronic components can be used for early warning systems in daily life. - [DIY Sound Activated Switch Kit – Clap Sensor Circuit Project](https://stemvolt.in/diy-sound-activated-switch-kit-clap-sensor-circuit-project/): Explore how sound can control electronics with this DIY Sound Activated Switch Kit. Designed for students and hobbyists, this project uses a condenser microphone to detect claps and activate a connected LED strip. With a pre-soldered PCB, sound sensor, and switching circuit, the kit demonstrates how sound waves can trigger real-world actions through simple electronics. Ideal for school projects and introductory electronics education, it teaches sensor-based automation and switching logic in a fun, interactive way. Great for developing STEM skills and practical circuit knowledge. - [DIY Wind Energy Generator Kit](https://stemvolt.in/diy-wind-energy-generator-kit/): Discover the power of wind with this DIY Wind Energy Generator Kit. Designed for students, hobbyists, and science learners, this hands-on kit demonstrates how wind can generate electricity through simple mechanical conversion. By spinning one fan, users activate a dynamo motor that lights up an LED, offering a clear and interactive view of renewable energy in action. Ideal for school projects, STEM activities, and home experiments, the kit requires no soldering and includes all components for easy assembly. It's a great educational tool to introduce the concepts of sustainable energy and electrical circuits. Whether used in classrooms or at home, it encourages curiosity, creativity, and critical thinking. Build your own working wind-powered system and make learning electrifyingly fun. - [DIY Water Level Indicator Kit | Alert System for Students](https://stemvolt.in/diy-water-level-indicator-kit-alert-system-for-students/): This DIY Water Level Indicator Kit offers a hands-on way to understand how electronic circuits are used in daily utilities. Designed for students and beginners, it features a buzzer and LED indicators to alert when water reaches certain levels in a tank. With components like a pre-soldered circuit board, IC module, and metal probes, this kit teaches practical electronics through a real-world application. Ideal for school science projects or home experimentation, it introduces core concepts of sensors, signal flow, and alert systems in a simple, effective manner. - [DIY Motorized Toy Aeroplane Kit – STEM Project for Kids](https://stemvolt.in/diy-motorized-toy-aeroplane-kit-stem-project-for-kids/): This DIY kit lets kids create their own moving toy Airplane using basic mechanical and electronic parts. It’s an excellent introduction to STEM education, offering hands-on experience in assembling a motor-powered model. Perfect for improving fine motor skills, enhancing problem-solving, and learning how motion-based systems work in a fun, interactive format.   Features: Interactive STEM learning through building Enhances fine motor skills and logical thinking Easy-to-assemble with clear parts Real working model powered by a motor Great for school projects or hobby kits   Specifications: Parameter Details Project Type DIY Motorized Toy Aeroplane Kit Power Source 9V battery (clip included) - [DIY Earthquake Alarm Kit | Project for Students](https://stemvolt.in/diy-earthquake-alarm-kit-vibration-sensor-project-for-students/): This DIY Earthquake Alarm Kit is designed for hands-on learning and educational projects. It lets users build a simple vibration detection system that activates a buzzer during ground movement. Perfect for science fairs, school experiments, and classroom demonstrations, it helps students grasp the basics of earthquake alert mechanisms through real circuitry.   Features: Engaging science project for students and hobbyists Demonstrates basic earthquake alert principles Easy-to-assemble components with clear function Enhances understanding of vibration sensors and circuits Ideal for STEM learning and practical applications   Specifications: Parameter Details Project Type DIY Earthquake Alarm System Power Source 9V battery Components Electronic - [Mastech MAS830L Digital Pocket Multimeter (Original)](https://stemvolt.in/mastech-mas830l-digital-pocket-multimeter-original/):
Mastech MAS830L Digital Pocket Multimeter
- [DT266 Digital Clamp Multimeter](https://stemvolt.in/dt266-digital-clamp-multimeter/): The DT-266 is a reliable digital clamp multimeter designed for both professional and home electrical diagnostics. It supports a wide range of measurements including AC/DC voltage, AC current, resistance, and continuity. Equipped with a 3½ digit LCD display, data hold, and low battery indicator, it’s a compact and efficient tool for everyday electrical troubleshooting.   Features: Measures AC current, AC/DC voltage, resistance, and diode 3½ digit LCD (max reading 1999) Data Hold & Max Value Hold functions Continuity buzzer and low battery indication Manual range selection 50mm jaw size Insulation tester adapter support (500VDC) Compact, durable design   Specifications: Parameter - [Hot Melt Glue Stick (Single Piece)](https://stemvolt.in/hot-melt-glue-stick-single-piece/): A single high-quality hot melt glue stick suitable for general-purpose bonding tasks. Delivers strong adhesion and smooth flow, making it ideal for quick repairs, crafts, and DIY projects when used with a compatible glue gun.   Features: One-piece hot melt glue stick Smooth melting and strong bonding Works on plastic, fabric, wood, and more Fits standard glue guns   Specifications: Parameter Value Type Hot Melt Glue Stick Quantity 1 Piece Compatibility Standard Glue Guns   Package Includes: 1 × Hot Melt Glue Stick - [Hot Melt Glue Sticks (Pack of 10)](https://stemvolt.in/hot-melt-glue-sticks-pack-of-10/): This pack of 10 hot melt glue sticks is ideal for bonding various materials like plastic, wood, fabric, paper, and more. Perfect for craft, DIY, and repair work, these glue sticks offer quick adhesion and a clean finish when used with standard glue guns.   Features: Pack of 10 high-quality hot melt glue sticks Strong adhesion for various surfaces Quick melting and smooth flow Suitable for general-purpose gluing   Specifications: Parameter Value Type Hot Melt Glue Stick Quantity Pack of 10 Compatibility Standard Glue Guns   Package Includes: 10 × Hot Melt Glue Sticks - [Multitech 150B Wire Stripper and Cutter](https://stemvolt.in/multitech-150b-wire-stripper-and-cutter/): The Multitec 150B Wire Stripper and Cutter is built from high-grade alloy steel and designed for efficient wire stripping and flush cutting. With a corrosion-resistant black oxide finish and an ergonomic handle, it’s a reliable tool for industrial and precision electrical work.   Features: Strips and cuts wires from 12–24 AWG High-grade alloy steel construction Black oxide finish to resist corrosion Sharp edges for clean, efficient cuts Wire gauge screw for consistent stripping Comfortable, improved grip for longer use Designed for fast flush-cutting action   Specifications: Parameter Value Length 130mm Height 8mm Weight 80g Wire Gauge Range 12–24 AWG Material - [25W Soldering Iron Bit (Pointed Tip)](https://stemvolt.in/25w-soldering-iron-bit-pointed-tip/): This 1.5mm soldering bit is crafted for precision tasks and fits all standard 25W soldering irons. Made with a nickel-plated copper core, it ensures efficient heat transfer and clean soldering, especially in tight or detailed electronic work.   Features: Precision 1.5mm tip for fine soldering Pure copper base with durable nickel plating Easy slide-on replacement design Compatible with most 25W soldering irons Stable performance and long-lasting usability   Specifications: Parameter Value Type Precision Tip Bit Size 1.5mm Compatibility 25W Soldering Irons Material Nickel-Plated Copper   Package Includes: 1 × 25W Soldering Iron Bit (Pointed Tip) - [25W Solder Iron Bit](https://stemvolt.in/25w-solder-iron-bit/): This 3mm soldering bit is a high-quality, nickel-plated copper tip designed for 25W soldering irons. Built for precise and consistent heat transfer, it fits most 25W models with slide-on compatibility and is ideal for detailed soldering tasks.   Features: Pure copper core with nickel plating 3mm standard spade tip Slide-on design for easy replacement Compatible with all major 25W soldering irons Offers consistent heat flow and long service life   Specifications: Parameter Value Type Spade Tip Bit Size 3mm Compatibility 25W Soldering Irons Material Nickel-Plated Copper   Package Includes: 1 × 25W Solder Iron Bit - [Taparia Line Tester 813](https://stemvolt.in/taparia-line-tester-813/): This analog line tester from Taparia is designed for quick and accurate voltage detection. With a robust plastic body and compact form, it’s ideal for industrial and electrical maintenance tasks. Measures voltage in the 50–1000V range with reliable precision.   Features: Analog line tester for industrial applications Voltage detection range: 50–1000V Operates on 230V, 50Hz frequency Durable plastic body in bright yellow for visibility Lightweight and compact for ease of use   Specifications: Parameter Value Type Analog Line Tester Brand Taparia Color Yellow Voltage 230V Frequency 50Hz Measurement Range 50–1000V Weight 170g Length 130mm Body Material Plastic   Package Includes: - [Soldering Gun Iron Stand](https://stemvolt.in/soldering-gun-iron-stand/): This soldering iron stand features a compact, elevated base designed for safe and stable soldering. Its raised platform improves airflow beneath the base, while dual mounting holes allow for secure installation on workbenches or setups.   Features: Elevated metal base for improved safety and airflow Two mounting holes for secure bench attachment Compatible with standard soldering irons Compact design for minimal workspace footprint Durable and heat-resistant construction   Specifications: Parameter Value Base Length 111mm Base Width 68.5mm Elevation Height 12.5mm Mounting Holes 2 (on base)   Package Includes: 1 × Soldering Iron Stand with Elevated Base - [25W Soldering Iron](https://stemvolt.in/25w-soldering-iron/): The Super Max 25W soldering iron offers a reliable solution for precise soldering tasks. With quick heating, stable temperature control, and a pointed tip for accuracy, it’s ideal for electronics, circuit repairs, and DIY projects.   Features: Compact and efficient 25W power Fast heating for reduced wait time Stable tip temperature for consistent joints Pointed tip for detailed and accurate work Comfortable grip for extended usage Easy replacement of tips and heating element Compatible with multiple bit shapes for varied applications   Specifications: Parameter Value Power Consumption 25W Operating Voltage 220–230V AC Type Soldering Iron Heating Element Standard Coil-Based Tip - [SIRON 35W 230VAC Soldering Iron](https://stemvolt.in/siron-35w-230vac-soldering-iron/): The SIRON 35W soldering iron is engineered for precision, durability, and reliable performance. Built with a ceramic-type heating element, it offers fast heating, consistent tip temperature, and low leakage current—perfect for electronics repair, soldering joints, and general DIY tasks.   Features: 35W power with quick heat-up time Stable temperature for consistent soldering Advanced ceramic heating element Pointed nickel-copper plated bit for high accuracy Comfortable thin grip for fatigue-free handling Low leakage current for safe use Easy tip and element replacement Long-life coated tips with multiple shape options   Specifications: Parameter Value Model SIRON 35W Type Soldering Iron Power Consumption 35W - [SIRON 25W Soldering Iron](https://stemvolt.in/siron-25w-soldering-iron/): This 25W soldering iron is a compact, budget-friendly solution for general-purpose soldering. Built with durable materials and a pointed nickel-copper plated bit, it heats quickly and maintains a stable tip temperature for precise work. Ideal for electronics, repairs, and DIY use.   Features: 25W power for general-purpose applications Heats quickly and maintains consistent temperature Pointed nickel-copper bit for accurate soldering Low leakage current and stable performance Comfortable thin grip for extended use Easy tip and element replacement Long-life coated soldering tips available   Specifications: Parameter Value Power Consumption 25W Operating Voltage AC 230V Tip-to-Ground Resistance < 2Ω Tip-to-Ground Potential < - [Mini Hacksaw Junior Metal Frame 6 inch](https://stemvolt.in/mini-hacksaw-junior-metal-frame-6-inch/): This steel wire saw frame is crafted from chrome-plated metal for strength and durability. With a 15.6cm (6-inch) blade capacity, it’s designed for precision cutting in crafts, woodworking, and metalwork. The built-in finger guard ensures added safety during use. These saws may be used to cut both wood and metal.   Features: Chrome-plated steel wire frame for durability Blade length: 15.6cm (6 inches) Integrated finger guard to prevent hand injuries Compatible with coping, piercing, hacksaw, and fret saw blades Ideal for fine, detailed cutting tasks   Specifications: Parameter Value Blade Size 15.6cm (6 inches) Frame Material Chrome-Plated Steel Compatibility Coping, - [60/40 Grade Soldering Wire Gauge 20/22](https://stemvolt.in/60-40-grade-soldering-wire-gauge-20-22/): This 60/40 grade soldering wire offers a reliable blend of tin and lead for smooth, consistent solder joints. Designed for electronics, electrical, and DIY applications, it melts evenly and ensures excellent conductivity.   Features: 60% tin and 40% lead composition for optimal flow Quick melting and easy application Ideal for electronic circuits, PCB, and wiring work Gauge: 18, 20, 22 Uniform coating for strong and clean joints   Specifications: Parameter Value Composition 60% Tin / 40% Lead (Sn/Pb) Gauges 18, 20, 22 Type Rosin Core Solder Wire Application Electrical & Electronic Use Certification ISO 9001:2015 Certified   Package Includes: 1 - [15g Flux Soldering Paste](https://stemvolt.in/15g-flux-soldering-paste/): This soldering paste flux is designed to ensure smooth and efficient bonding of electrical and electronic components. With stable performance and low residue, it improves soldering quality, reduces waste, and saves time during assembly or repair work.   Features: Strong flux action with bright, clean solder joints Minimal residue after soldering Speeds up soldering process, reducing effort and time Non-toxic, odorless, and safe to use Long shelf life with consistent performance   Specifications: Parameter Value Type Soldering Paste Flux Application Electrical & Electronic Components Safety Non-toxic, Odorless Residue Low   Package Includes: 1 × Flux Soldering Paste - [Multitech Stainless Steel Wire Stripper & Cutter (68C-SS)](https://stemvolt.in/multitech-stainless-steel-wire-stripper-cutter-68c-ss/): The 68C-SS Stainless Steel Wire Cutter and Stripper is a compact, high-precision tool crafted for professional and DIY use. Made from durable stainless steel, it ensures clean cuts and reliable wire stripping across various gauges. Ideal for electrical work, automotive repair, and home projects.   Features: High-grade stainless steel construction for corrosion resistance Clean and precise cutting & stripping for solid, stranded, and insulated wires Adjustable jaw setting supports multiple wire sizes Ergonomic, non-slip handles reduce hand fatigue Built-in safety lock for secure storage Lightweight and compact for use in tight spaces   Specifications: Parameter Value Material Stainless Steel Functions - [DT830D Digital Multimeter / Measuring Voltage Current](https://stemvolt.in/dt830d-digital-multimeter-measuring-voltage-current/): The DT830D Digital Multimeter is a reliable tool for measuring voltage, current, and resistance with accuracy. Protected by a durable rubber casing and designed with a rear stand, it’s perfect for bench-top use. Ideal for both beginners and professionals handling electronics, repair, and diagnostics.   Features: Compact design with protective rubber cover Back stand for hands-free operation Comfortable side grips for safe handling Measures DC/AC voltage, DC current, and resistance Easy-to-read display   Specifications: Parameter Value Voltage Range (DC) 200mV – 1000V Voltage Range (AC) 200V – 750V Current Range (DC) 200µA – 10A Resistance Range 200Ω – 2000kΩ Input - [Multitec MT-07 Nipper Wire Cutter](https://stemvolt.in/multitec-mt-07-nipper-wire-cutter/): This heavy-duty precision nipper is built for clean, accurate cutting of copper and aluminum wires ranging from 0.8mm to 1.2mm. Designed for electronics, PCB assembly, and general wiring tasks, it offers superior durability and control with hardened cutting edges and ergonomic ABS handles.   Features: Sharp cutting for 0.8mm–1.2mm copper and aluminum wires Hardened alloy steel blades (60 HRC) with black oxide finish Compact design ideal for PCB and component dressing High-grade ABS plastic handles for a secure grip Lightweight and comfortable for extended use   Specifications: Parameter Value Height 12mm Length 120mm Width (Weight) 50g Material Alloy steel, ABS - [60W Electric Hot Melt Glue Gun](https://stemvolt.in/60w-electric-hot-melt-glue-gun/): Compact and efficient, this 60W hot melt glue gun delivers reliable performance for everyday DIY and repair tasks. Designed for voltage compatibility between 100V to 220V, it heats up fast and offers smooth glue flow control.   Features: Medium-power 60W heating element Operates on 100V–220V, 50/60Hz Quick heat-up with consistent output Comfortable grip for extended use Precision nozzle for accurate application Ideal for home repairs, crafts, and school projects   Specifications:   Parameter Value Power 60W Voltage 100V–220V Frequency 50Hz / 60Hz Origin China   Package Includes: 1 × 60W Hot Melt Glue Gun - [Hot Melt Electric Glue Gun 80 Watts](https://stemvolt.in/hot-melt-electric-glue-gun-80-watts/): This 80W electric glue gun is designed for precision and durability. Compatible with universal voltage (110V–240V), it’s ideal for crafts, repairs, and DIY projects. Heats up quickly, ensuring efficient bonding on a variety of surfaces.   Features: High-power 80W performance Supports 110V–240V, 60Hz input Quick heating with stable temperature control Ergonomic grip for extended use Trigger-feed mechanism for controlled glue flow Suitable for plastic, wood, paper, fabric, and more   Specifications:   Parameter Value Power 80W Voltage 110V–240V Frequency 60Hz Origin Taiwan   Package Includes: 1 × 80W Hot Melt Glue Gun - [11.1V 2200mAh 3S 35C LiPo Battery Pack – Wild Scorpion](https://stemvolt.in/11-1v-2200mah-3s-35c-lipo-battery-pack-wild-scorpion/): This 11.1V 2200mAh 3S LiPo Battery by Wild Scorpion delivers the ideal balance between power and size for RC enthusiasts. With a high 35C discharge rate, it provides strong, stable current for demanding applications like drones, helicopters, airplanes, and racing cars.   Features: High-performance LiPo battery with 35C discharge rate Compact and lightweight for various RC models Low internal resistance for efficient power output Compatible with XT60/Deans connectors (varies)   Specifications: Parameter Details Voltage 11.1V (3S Configuration) Capacity 2200mAh Discharge Rate 35C Cell Configuration 3S1P (3 Cells in Series) Connector Type XT60 / Deans (may vary) Application RC Drones, Cars, - [0.56inch Two Wire LED Display Digital DC Voltmeter - RED](https://stemvolt.in/0-56inch-two-wire-led-display-digital-dc-voltmeter-red/): This compact digital voltmeter module is designed for easy panel integration, offering real-time voltage readings with a bright red 0.56” LED display. Perfect for battery monitoring, DIY electronics, or embedded power systems, the DVM-568P supports a wide DC range from 4.5V to 36V with high refresh rate and precision.   Features: Built-in digital voltmeter module Bright 0.56” red LED display Measures DC voltage: 4.5V to 36V Easy to mount on panels and enclosures Fast refresh rate (~500ms)   Specifications: Parameter Details Voltage Range DC 4.5V to 36V Display Type 0.56″ Red LED Update Frequency ~500ms Dimensions (mm) 48 × 29 - [YL-333 Magnetic Anti-Theft Alarm for Door/Window](https://stemvolt.in/yl-333-magnetic-anti-theft-alarm-for-door-window/): Protect your home or office with the YL-333 Magnetic Anti-Theft Alarm. Designed for windows and doors, this compact alarm unit triggers a loud 90–100dB alert when the magnetic sensor is separated, warning you instantly of any unauthorized entry. Easy to install with adhesive tape—no wiring or drilling needed!   Features: Loud alarm sound (90–100dB) Magnetic sensor detects unauthorized openings Easy adhesive mounting—no tools required ON/OFF switch for easy control Battery-operated (2 × AAA batteries, not included)   Specifications: Parameter Details Alarm Sound 90–100dB Power Supply 2 × AAA batteries (not included) Installation Method Adhesive tape (included) Material ABS plastic Usage - [APM 2.8 Flight Controller with Built-in Compass](https://stemvolt.in/apm-2-8-flight-controller-with-built-in-compass/): The APM 2.8 Multicopter Flight Controller is the ultimate open-source autopilot system for RC drones and DIY UAVs. An upgraded version of the popular APM 2.6, this model features a built-in compass with the option to switch to an external one. It’s compatible with multi-copters, rovers, and fixed-wing aircraft, turning any vehicle into a fully autonomous machine capable of GPS-guided waypoint navigation using Mission Planner software.   Features: Built-in compass (optional external compass support) Compatible with Mission Planner (waypoints, data logs, configuration) Onboard 4MB Dataflash for auto-logging Open-source and Arduino-compatible design High-performance sensors: MPU-6000 and MS5611 barometer USB support via - [Anti-Vibration Shock Absorber Mount for APM/KK/MWC/Pixhawk](https://stemvolt.in/anti-vibration-shock-absorber-mount-for-apm-kk-mwc-pixhawk/): This anti-vibration shock absorber plate is essential for stabilizing your flight controller during operation. Built with durable glass fiber, it’s perfect for isolating sensitive electronics from high-frequency vibrations. Compatible with popular flight controllers including APM (2.5/2.6/2.8), KK, MWC, and Pixhawk 2.4, this mount ensures accurate sensor readings and smoother flight performance.   Features: Effectively reduces vibrations from motors and propellers Suitable for multiple flight controllers and mini quad setups Flat-bottom mount for bolt or adhesive attachment Includes extra mounting tape for convenience Lightweight and easily replaceable design   Specifications: Parameter Details Material Glass Fiber Compatibility APM 2.5/2.6/2.8, KK, MWC, Pixhawk - [CC3D Shock Absorber](https://stemvolt.in/cc3d-shock-absorber/): This CC3D shock absorber is a vital add-on for minimizing vibrations on sensitive flight controllers. Designed with durable glass fiber and lightweight construction, it ensures stable performance for mini quadcopters like the QAV250/H250. Ideal for mounting open-source flight controllers such as CC3D, Naze32, Mini APM, and even compact action cameras.   Features: Reduces vibration and enhances flight stability Compatible with multiple flight controllers: CC3D, Naze32, Mini APM, etc. Can also be used with lightweight cameras (Mobius, GoPro sideways) Flat-bottom design supports bolt or adhesive mounting Includes additional mounting tape for quick setup   Specifications: Parameter Details Material Glass Fiber Color - [F450/F550 Frame Landing Gear Skid for Multirotor Drones](https://stemvolt.in/f450-f550-frame-landing-gear-skid-for-multirotor-drones/): This landing gear skid is specially designed for F450 and F550 multirotor frames, providing a generous 200mm of ground clearance—perfect for mounting gimbals, cameras, or large batteries beneath your drone. Built with high-quality ABS and reinforced fiberglass tubes, it offers enhanced protection during rough landings while keeping your payload stable and unobstructed.   Features: Provides approx. 200mm ground clearance ABS body with reinforced glass fiber legs for durability Keeps central space free for gimbals, batteries, or sensors Minimizes shock from rough landings Fully compatible with F450/F550 and similar frames   Specifications: Parameter Details Material ABS Plastic & Glass Fiber Compatible - [3.17mm RC Aluminum Bullet Propeller Adapter Holder for Motor](https://stemvolt.in/3-17mm-rc-aluminum-bullet-propeller-adapter-holder-for-motor/): This 3.17mm aluminum bullet propeller adapter is designed for precision mounting on brushless motor shafts. The collet-style holder grips 3mm shafts securely, ensuring the propeller stays straight and balanced to reduce vibration and improve flight stability. Lightweight and compact, it fits most RC planes, multi-copters, and quadcopters with ease.   Features: Compact, space-saving design for minimal impact on flight Made from durable aluminium alloy and nylon for long-lasting use Collet type adapter securely grips 3mm motor shafts Compatible with popular models like Sunnysky 2212 and 2217 brushless motors Aerodynamically designed to enhance speed and reduce energy loss   Specifications: Parameter - [10×10×2mm Square Neodymium Magnet](https://stemvolt.in/10x10x2mm-square-neodymium-magnet/): The 10×10×2mm square neodymium magnet delivers powerful magnetic force in a compact, flat square profile. Built with high-grade NdFeB material and coated with nickel for protection, it’s ideal for use in compact electronics, hardware builds, and DIY setups.   Features: Strong NdFeB rare earth magnet in square form Dimensions: 10mm × 10mm × 2mm for flat mounting Nickel-plated for corrosion resistance and durability Great for electronics, closures, crafts, and tools Compact yet strong—perfect for tight spaces   Specifications: Parameter Details Magnet Type Neodymium (NdFeB) Shape Square Length & Width 10mm × 10mm Thickness 2mm Coating Nickel Application Use Craft, Electronics, - [10×5mm Round Neodymium Magnet](https://stemvolt.in/10x5mm-round-neodymium-magnet/): The 10×5mm neodymium magnet combines compact size with intense magnetic force, making it perfect for medium-duty tasks in electronics, repairs, and DIY projects. Engineered from NdFeB material with a nickel coating, it’s built to perform reliably in tight setups.   Features: Made from strong rare earth NdFeB 10mm diameter × 5mm thickness for balanced size and power Nickel-coated for corrosion and wear protection Ideal for mechanical assemblies, crafts, and hobby electronics Reliable strength in a compact form   Specifications: Parameter Details Magnet Type Neodymium (NdFeB) Shape Round Diameter 10mm Thickness 5mm Coating Nickel Application Use Craft, Electronics, DIY Pack Size - [8×1.5mm Round Neodymium Magnet](https://stemvolt.in/8x1-5mm-round-neodymium-magnet/): This 8×1.5mm neodymium magnet is ultra-compact yet surprisingly strong, designed for fine, delicate applications where space is limited but performance can’t be compromised. Made with premium NdFeB material and nickel-coated for durability.   Features: Powerful rare earth NdFeB magnet in micro size Round shape: 8mm diameter × 1.5mm thickness Nickel-coated surface resists rust and wear Ideal for precision crafts, mini electronics, and sensors Lightweight, slim, and easy to embed   Specifications: Parameter Details Magnet Type Neodymium (NdFeB) Shape Round Diameter 8mm Thickness 1.5mm Coating Nickel Application Use Craft, Electronics, Sensors Pack Size 1 Piece   Package Includes: 1 × 8×1.5mm - [10×2mm Round Neodymium Magnet](https://stemvolt.in/10x2mm-round-neodymium-magnet/): This 10×2mm neodymium magnet is small but highly efficient, offering excellent magnetic strength in limited-space applications. Built with rare earth NdFeB material and nickel-coated for protection, it’s perfect for electronics, prototyping, and miniature setups.   Features: Compact rare earth magnet made from NdFeB Round shape: 10mm diameter × 2mm thickness Durable nickel coating for corrosion resistance Ideal for small electronics, crafts, and repairs Easy to integrate in tight-space configurations   Specifications: Parameter Details Magnet Type Neodymium (NdFeB) Shape Round Diameter 10mm Thickness 2mm Coating Nickel Application Use Craft, Electronics, Tools Pack Size 1 Piece   Package Includes: 1 × 10×2mm - [10×2.5mm Round Neodymium Magnet](https://stemvolt.in/10x2-5mm-round-neodymium-magnet/): Designed for compact yet high-strength applications, this 10×2.5mm neodymium magnet delivers excellent magnetic force in a slim form. Made with powerful NdFeB material and protected by a nickel coating, it’s perfect for electronics, crafts, and mechanical components.   Features: Strong neodymium (NdFeB) rare earth magnet Round size: 10mm diameter, 2.5mm thickness Corrosion-resistant nickel-plated finish Excellent for electronics, tools, and mini DIY projects Compact and easy to integrate into small assemblies   Specifications: Parameter Details Magnet Type Neodymium (NdFeB) Shape Round Diameter 10mm Thickness 2.5mm Coating Nickel Application Use Craft, Electronics, Tools Pack Size 1 Piece   Package Includes: 1 × - [15×2mm Round Neodymium Magnet](https://stemvolt.in/15x2mm-round-neodymium-magnet/): The 15×2mm neodymium magnet is compact yet highly magnetic—perfect for applications where size matters but power can’t be compromised. Made from rare earth NdFeB material and coated in nickel, it ensures strength, stability, and corrosion resistance for long-term use.   Features: Rare earth NdFeB construction for strong magnetic force Round shape with 15mm diameter and 2mm thickness Nickel-coated for added durability and corrosion protection Excellent for crafts, small electronics, and mechanical assemblies Compact design suited for precise applications   Specifications: Parameter Details Magnet Type Neodymium (NdFeB) Shape Round Diameter 15mm Thickness 2mm Coating Nickel Application Use Craft, Electronics, Tools Pack - [20×10×2mm Rectangular Neodymium Magnet](https://stemvolt.in/20x10x2mm-rectangular-neodymium-magnet/): This 20×10×2mm neodymium magnet offers powerful magnetic force in a slim rectangular design. Engineered with rare earth NdFeB material and nickel-coated for enhanced durability, it’s perfect for space-conscious applications in electronics, crafting, and precision tools.   Features: Made from high-grade NdFeB rare earth material Slim 20mm × 10mm × 2mm profile for compact placement Nickel-plated for corrosion and wear resistance Excellent holding strength for various surfaces Ideal for DIY, hardware, educational, and tech use   Specifications: Parameter Details Magnet Type Neodymium (NdFeB) Shape Rectangular Dimensions 20mm × 10mm × 2mm Coating Nickel Application Use Craft, Electronics, Tools Pack Size 1 - [20×2mm Round Neodymium Magnet](https://stemvolt.in/20x2mm-round-neodymium-magnet/): The 20×2mm neodymium magnet delivers high magnetic strength in a slim, round profile. Crafted from powerful rare earth NdFeB material and nickel-coated for durability, it’s perfect for electronics, craft projects, and compact mechanical applications where strength and precision matter.   Features: Strong rare earth magnet (NdFeB) Round shape with 20mm diameter and 2mm thickness Ideal for compact setups requiring reliable hold Nickel coating ensures corrosion resistance Perfect for tech, crafts, and educational use   Specifications: Parameter Details Magnet Type Neodymium (NdFeB) Shape Round Diameter 20mm Thickness 2mm Coating Nickel Application Use Craft, Electronics, Tools Pack Size 1 Piece   Package - [20×5×2mm Rectangular Neodymium Magnet](https://stemvolt.in/20x5x2mm-rectangular-neodymium-magnet/): This 20×5×2mm neodymium magnet is a compact and powerful solution for tight-space magnetic applications. Built with high-grade rare earth NdFeB material, it’s perfect for electronics, crafts, prototyping, and industrial use where a slim yet strong magnet is required.   Features: Powerful rare earth magnet made from NdFeB Compact 20mm × 5mm × 2mm rectangular size Ideal for tight-space setups requiring strong hold Nickel-coated surface for corrosion resistance Great for tools, DIY, educational, and tech projects   Specifications: Parameter Details Magnet Type Neodymium (NdFeB) Shape Rectangular Dimensions 20mm × 5mm × 2mm Coating Nickel Application Use Craft, Electronics, Tools Pack Size - [330µF 450V Aluminium Electrolytic Capacitor](https://stemvolt.in/330%c2%b5f-450v-aluminium-electrolytic-capacitor-surface-mount/): High-performance 330µF 450V aluminium electrolytic capacitor designed for audio and general electronic applications. This surface-mount capacitor offers excellent stability and reliability, suitable for power filtering and signal processing in demanding circuits.   Features: High capacitance of 330µF for efficient energy storage Voltage rating of 450V for high-voltage applications Aluminium electrolytic construction ensures durability Surface mount design for compact PCB layouts Suitable for audio circuits and power supply filtering Tolerance of ±20% for consistent performance Operates reliably up to 85°C   Specifications: Parameter Details Capacitance 330µF Voltage Rating 450V DC Type Aluminium Electrolytic Mounting Surface Mount Terminals 2 Tolerance ±20% Operating - [220µF 35V Electrolytic Capacitor (Pack of 5)](https://stemvolt.in/220%c2%b5f-35v-electrolytic-capacitor-pack-of-5/): High-quality 220µF 35V electrolytic capacitors ideal for filtering, smoothing, and stabilizing voltage in various electronic circuits with medium voltage requirements.   Specifications: Capacitance: 220µF Voltage Rating: 35V Type: Electrolytic Polarity: Polarized   Package Includes: 5 x 220µF 35V Electrolytic Capacitor - [100µF 35V Electrolytic Capacitor (Pack of 5)](https://stemvolt.in/100%c2%b5f-35v-electrolytic-capacitor-pack-of-5/): Reliable 100µF 35V electrolytic capacitors designed for power filtering, voltage smoothing, and signal coupling in medium-voltage electronic circuits.   Specifications: Capacitance: 100µF Voltage Rating: 35V Type: Electrolytic Polarity: Polarized   Package Includes: 5 x 100µF 35V Electrolytic Capacitor - [330µF 35V Electrolytic Capacitor (Pack of 2)](https://stemvolt.in/330%c2%b5f-35v-electrolytic-capacitor-pack-of-2/): These 330µF 35V electrolytic capacitors provide reliable energy storage and smooth voltage regulation for medium-voltage electronic circuits. Perfect for power supply filtering and general purpose use.   Specifications: Capacitance: 330µF Voltage Rating: 35V Type: Electrolytic Polarity: Polarized   Package Includes: 2 x 330µF 35V Electrolytic Capacitor - [220µF 16V Electrolytic Capacitor (Pack of 5)](https://stemvolt.in/220%c2%b5f-16v-electrolytic-capacitor-pack-of-5/): These 220µF electrolytic capacitors rated at 16V offer stable filtering and decoupling for low voltage circuits. Ideal for smoothing power supplies and signal processing in various electronics projects.   Specifications: Capacitance: 220µF Voltage Rating: 16V Type: Electrolytic Polarity: Polarized   Package Includes: 5 x 220µF 16V Electrolytic Capacitor - [1µF 50V Electrolytic Capacitor (Pack of 5)](https://stemvolt.in/1%c2%b5f-50v-electrolytic-capacitor-pack-of-5/): These compact 1µF 50V electrolytic capacitors are ideal for timing circuits, coupling, and general low-frequency signal applications. Stable performance and reliable quality for all your basic electronic needs.   Specifications: Capacitance: 1µF Voltage Rating: 50V Type: Electrolytic Polarity: Polarized   Package Includes: 5 x 1µF 50V Electrolytic Capacitor - [470µF 50V Electrolytic Capacitor (Pack of 2)](https://stemvolt.in/470%c2%b5f-50v-electrolytic-capacitor-pack-of-2/): These high-capacity 470µF electrolytic capacitors rated at 50V are ideal for power filtering, voltage regulation, and bulk energy storage in medium to high-voltage applications. Great for power supply circuits and general electronic use.   Specifications: Capacitance: 470µF Voltage Rating: 50V Type: Electrolytic Polarity: Polarized   Package Includes: 2 x 470µF 50V Electrolytic Capacitor - [100µF 25V Electrolytic Capacitor (Pack of 5)](https://stemvolt.in/100%c2%b5f-25v-electrolytic-capacitor-pack-of-5/): Reliable and compact, these 100µF electrolytic capacitors rated at 25V are perfect for smoothing, filtering, or energy storage in low-voltage electronic circuits. Widely used in DIY electronics, power supplies, and audio equipment.   Specifications: Capacitance: 100µF Voltage Rating: 25V Type: Electrolytic Polarity: Polarized   Package Includes: 5 x 100µF 25V Electrolytic Capacitor - [470µF 10V Electrolytic Capacitor (Pack of 5)](https://stemvolt.in/470%c2%b5f-10v-electrolytic-capacitor-pack-of-5/): These 470µF capacitors are designed for low-voltage applications, providing excellent filtering and smoothing capabilities. Perfect for power regulation, decoupling, and general-purpose electronic circuits.   Specifications: Capacitance: 470µF Voltage Rating: 10V Type: Electrolytic Polarity: Polarized   Package Includes: 5 x 470µF 10V Electrolytic Capacitor - [1µF 450V Electrolytic Capacitor (Pack of 5)](https://stemvolt.in/1%c2%b5f-450v-electrolytic-capacitor-pack-of-5/): High-voltage 1µF electrolytic capacitors rated at 450V, ideal for use in power supplies, filtering, and high-voltage circuit applications. Designed for stability and long-term performance in demanding conditions.   Specifications: Capacitance: 1µF Voltage Rating: 450V Type: Electrolytic Polarity: Polarized   Package Includes: 5 x 1µF 450V Electrolytic Capacitor - [470µF 16V Electrolytic Capacitor (Pack of 5)](https://stemvolt.in/470%c2%b5f-16v-electrolytic-capacitor-pack-of-5/): Reliable 470µF electrolytic capacitors rated for 16V, perfect for filtering, energy storage, and voltage regulation in power supply circuits. Commonly used in audio, LED, and general electronics projects.   Specifications: Capacitance: 470µF Voltage Rating: 16V Type: Electrolytic Polarity: Polarized   Package Includes: 5 x 470µF 16V Electrolytic Capacitor - [220µF 25V Electrolytic Capacitor (Pack of 5)](https://stemvolt.in/220%c2%b5f-25v-electrolytic-capacitor-pack-of-5/): High-quality 220µF electrolytic capacitors rated at 25V, ideal for smoothing, decoupling, and filtering in low to mid-voltage electronic circuits. Suitable for power supplies and DIY electronics projects.   Specifications: Capacitance: 220µF Voltage Rating: 25V Type: Electrolytic Polarity: Polarized   Package Includes: 5 x 220µF 25V Electrolytic Capacitor - [100µF 16V Electrolytic Capacitor (Pack of 5)](https://stemvolt.in/100%c2%b5f-16v-electrolytic-capacitor-pack-of-5/): Reliable 100µF electrolytic capacitors rated at 16V, perfect for voltage filtering, decoupling, and timing applications. Commonly used in low-voltage power supply circuits and general-purpose electronics.   Specifications: Capacitance: 100µF Voltage Rating: 16V Type: Electrolytic Polarity: Polarized   Package Includes: 5 x 100µF 16V Electrolytic Capacitor - [47µF 25V Electrolytic Capacitor (Pack of 5)](https://stemvolt.in/47%c2%b5f-25v-electrolytic-capacitor-pack-of-5/): Durable and compact 47µF electrolytic capacitors rated for 25V. Ideal for use in power supply filtering, signal smoothing, and timing circuits. A reliable choice for repairs and custom electronic builds.   Specifications: Capacitance: 47µF Voltage Rating: 25V Type: Electrolytic Polarity: Polarized   Package Includes: 5 x 47µF 25V Electrolytic Capacitor - [10µF 63V Electrolytic Capacitor (Pack of 5)](https://stemvolt.in/10%c2%b5f-63v-electrolytic-capacitor-pack-of-5/): Reliable 10µF electrolytic capacitors rated for 63V, perfect for voltage filtering, coupling, and timing applications in various circuits. Great for small electronics, repairs, and DIY projects.   Specifications: Capacitance: 10µF Voltage Rating: 63V Type: Electrolytic Polarity: Polarized   Package Includes: 5 x 10µF 63V Electrolytic Capacitor - [220µF 50V Electrolytic Capacitor (Pack of 2)](https://stemvolt.in/220%c2%b5f-50v-electrolytic-capacitor-pack-of-2/): High-quality 220µF electrolytic capacitors rated at 50V, suitable for general-purpose filtering, decoupling, and power supply applications. Ideal for DIY electronics, repairs, and hobby circuits.   Specifications: Capacitance: 220µF Voltage Rating: 50V Type: Electrolytic Polarity: Polarized   Package Includes: 2 x 220µF 50V Electrolytic Capacitor - [ATmega328P-U PDIP-28 8 BIT Microcontroller IC](https://stemvolt.in/atmega328p-u-pdip-28-8-bit-microcontroller-ic/): The ATmega328 is a powerful 8-bit AVR microcontroller widely used in embedded systems and electronics projects. Based on an enhanced RISC architecture, it delivers high performance with low power consumption. It comes with 32 KB of Flash memory, 2 KB SRAM, and 1 KB EEPROM, making it suitable for various standalone applications. It supports UART, SPI, and I2C interfaces, includes multiple timers, and features a 6-channel 10-bit ADC for analog signal processing. Ideal for automation, control systems, and Arduino-compatible setups.   Features: Enhanced 8-bit AVR RISC architecture 32 KB ISP Flash with read-while-write capability 2 KB SRAM and 1 KB - [ATMEGA8A-PU AVR DIP-28 MCU/8K Flash Microcontroller IC](https://stemvolt.in/atmega8a-pu-avr-dip-28-mcu-8k-flash-microcontroller-ic/): The ATmega8A is a high-performance 8-bit AVR microcontroller with advanced RISC architecture, designed for efficient processing in low-voltage applications. With 8 KB of Flash memory, 512 bytes EEPROM, and 1 KB SRAM, it supports real-time applications with ease. Featuring UART, SPI, and I2C interfaces, internal and external interrupts, and multiple sleep modes, it’s ideal for embedded systems, automation, and control systems requiring precise timing, low power usage, and flexible interfacing.   Features: Advanced 8-bit AVR RISC architecture 130 powerful instructions with 32 x 8 general-purpose registers Up to 16 MIPS throughput at 16 MHz 23 programmable I/O lines Three PWM - [BC548 NPN General Purpose Transistor (Pack of 5)](https://stemvolt.in/bc548-npn-general-purpose-transistor-pack-of-5/): The BC548 is a widely used NPN bipolar junction transistor ideal for general-purpose switching and amplification. Common in driver circuits and low-power audio or signal amplifiers, it operates reliably with a collector-emitter voltage of 30 V and a continuous collector current up to 100 mA. Featuring high current gain up to 800, it’s suitable for various electronic applications including Darlington pair configurations.   Features: NPN-type bipolar transistor Collector current up to 100 mA Collector-emitter voltage: 30 V Base trigger voltage: 5 V High current gain: up to 800 Compact TO-92 package   Specifications: Parameter Value Transistor Type NPN Max Collector - [BC557 PNP Transistor (Pack of 5)](https://stemvolt.in/bc557-pnp-transistor-pack-of-5-2/): The BC557 is a general-purpose PNP bipolar junction transistor designed for low current switching and amplification tasks. It is widely used in driver circuits such as relay or LED drivers, as well as in low-power audio and signal amplifier modules. With a collector-emitter voltage of 50 V and a maximum collector current of 100 mA, it delivers reliable performance in compact applications. This transistor activates when a suitable base voltage is applied, making it ideal for signal control and low-power switching.   Features: PNP-type bipolar transistor Collector current up to 100 mA Collector-emitter voltage: 50 V Base trigger voltage: 6 - [BC547 NPN Transistor (Pack of 5)](https://stemvolt.in/bc547-npn-transistor-pack-of-5/): The BC547 is a general-purpose NPN bipolar junction transistor designed for low-to-medium current, low power, and medium voltage applications. Ideal for switching and amplification, it is commonly used in circuits such as relay drivers, LED drivers, and signal or audio amplifiers. With a maximum collector current of 800 mA and a collector-emitter voltage rating of 45 V, it delivers reliable performance in compact TO-92 packaging.   Features: NPN-type bipolar transistor Continuous collector current up to 800 mA Collector-emitter voltage: 45 V Base trigger voltage: 6 V High current gain up to 800 Compact TO-92 package   Specifications: Parameter Value Transistor [comment]: # (Generated by Hostinger Tools Plugin)