Sensors (700 x 460 px)

Categories

Best Price Guaranteed

More Sensors
Digital Display Module For HC-SR04 Ultrasonic Sensor front view showing LED display and sensor header
-17%
Quick view

Digital Display Module For HC-SR04 Ultrasonic Sensor

In stock

Original price was: ₹241.00.Current price is: ₹200.00. (Inc. GST)
Add to cart
Float Ball Water Level Sensor Switch showing horizontal float body and two wire cable leads
-20%
Quick view

Horizontal Float Ball Water Level Sensor Switch for Water Tank

In stock

Original price was: ₹181.00.Current price is: ₹145.00. (Inc. GST)
Add to cart
MAX30102 pulse oximeter and heart rate sensor module top view showing sensor chip and I2C pins
-20%
Quick view

MAX30102 Pulse Oximeter and Heart Rate Sensor Module

In stock

Original price was: ₹150.00.Current price is: ₹120.00. (Inc. GST)
Add to cart
AS-10 12V DC photoelectric street light controller white body front view
-27%
Quick view

AS-10 12V DC Photoelectric Street Light Controller Automatic ON/OFF

In stock

Original price was: ₹171.00.Current price is: ₹125.00. (Inc. GST)
Add to cart
2.2 Inch Flex Sensor thin resistive strip lying flat front view
-29%
Quick view

2.2 Inch Flex Sensor | Hand Gesture Recognition

In stock

Original price was: ₹345.00.Current price is: ₹245.00. (Inc. GST)
Add to cart

Microcontroller Boards

More Products
LGT RF Nano V2.0 Wireless Module with integrated antenna and USB interface
-24%
Quick view

LGT RF Nano V2.0 Wireless Module Integrated NRF24L01

In stock

Original price was: ₹1,553.00.Current price is: ₹1,180.00. (Inc. GST)
Add to cart
-19%
Quick view

Arduino Leonardo R3 Compatible Board | ATmega32U4 USB Microcontroller

In stock

Original price was: ₹617.00.Current price is: ₹500.00. (Inc. GST)
Add to cart
Wemos D1 R2 ESP8266 WiFi UNO Development Board with USB port, ESP8266 module, and pin headers
-18%
Quick view

Wemos D1 R2 ESP8266 WiFi UNO Development Board

In stock

Original price was: ₹384.00.Current price is: ₹315.00. (Inc. GST)
Add to cart
Raspberry Pi Pico Board front view showing RP2040 chip unsoldered 40-pin header and Micro-USB port
-21%
Quick view

Raspberry Pi Pico Board – Unsoldered Pins

In stock

Original price was: ₹494.00.Current price is: ₹390.00. (Inc. GST)
Add to cart

FPV Drone Parts

Building Your Drem Drone Aeromodel.

0 days 00 hr 00 min 00 sc
Go Shopping
3.17MM Prop Saver with Band for RC motors

3.17MM Prop Saver with Band

Original price was: ₹111.00.Current price is: ₹80.00. (Inc. GST)
Drone motor 816 CW 48000 RPM 3.7V metal silver

816 Micro Coreless Drone Motor CW (Clockwise)

Original price was: ₹53.00.Current price is: ₹45.00. (Inc. GST)
iMAX B6 DC B6DC Lipo Battery Balance Charger for RC and drone projects.

iMAX B6 DC B6DC Lipo Battery Balance Charger

Original price was: ₹2,089.00.Current price is: ₹1,859.00. (Inc. GST)
3D printed control horn set for RC planes used for aileron, rudder, and elevator linkages.

Control Horn Set for RC Plane (Pack of 5)

Original price was: ₹180.00.Current price is: ₹149.00. (Inc. GST)
DJI 2212 920KV brushless DC motor for drone with CW rotation and black cap.

DJI 2212 920KV Brushless DC Motor for Drone (CW Rotation, Black Cap)

Original price was: ₹774.00.Current price is: ₹619.00. (Inc. GST)

Electronics Modules

More Products
-17%
Quick view

DC-DC XL6009 Adjustable Step Up Module with Digital Display

In stock

Original price was: ₹265.00.Current price is: ₹220.00. (Inc. GST)
Add to cart
12V 10A SPDT PCB Mount Relay Cube for power control.
-21%
Quick view

12V 10A SPDT PCB Mount Relay Cube

In stock

Original price was: ₹19.00.Current price is: ₹15.00. (Inc. GST)
Add to cart
1 Channel 5V Relay Module without Optocoupler board mounted
-15%
Quick view

1 Channel 5V Relay Module without Optocoupler

In stock

Original price was: ₹47.00.Current price is: ₹40.00. (Inc. GST)
Add to cart
Passive Buzzer Module view showing PCB traces bolt holes and 2.54mm pin pitch
-10%
Quick view

Passive Buzzer Module for Arduino Projects

In stock

Original price was: ₹39.00.Current price is: ₹35.00. (Inc. GST)
Add to cart
Thermal Sensor Relay Module front view showing relay component screw terminals and control pin header
-13%
Quick view

Thermal Sensor Relay Module

In stock

Original price was: ₹236.00.Current price is: ₹205.00. (Inc. GST)
Add to cart
MAX98357A I2S 3W Class-D Audio Decoder Amplifier Module front view showing PCB and speaker pads
-24%
Quick view

MAX98357A I2S 3W Class-D Audio Decoder Amplifier Module

In stock

Original price was: ₹171.00.Current price is: ₹130.00. (Inc. GST)
Add to cart
TP4056 1A Lithium Battery Charger Module C Type for efficient charging performance
-18%
Quick view

TP4056 1A Lithium Battery Charger Module C Type

In stock

Original price was: ₹22.00.Current price is: ₹18.00. (Inc. GST)
Add to cart
12V 8 Channel Relay Module with Optocoupler for Arduino projects
-10%
Quick view

12V 8 Channel Relay Module with Optocoupler

In stock

Original price was: ₹411.00.Current price is: ₹370.00. (Inc. GST)
Add to cart
Fast Charging Module PD65W - C Type for high-power electronics projects.
-21%
Quick view

Fast Charging Module PD65W – C Type

In stock

Original price was: ₹158.00.Current price is: ₹125.00. (Inc. GST)
Add to cart
5V 7A SPDT Relay PCB Mount compact high current switch
-21%
Quick view

5V 7A SPDT Relay PCB Mount

In stock

Original price was: ₹19.00.Current price is: ₹15.00. (Inc. GST)
Add to cart
Mini 360 Step-Down Buck Converter Module compact DC power board
-17%
Quick view

Mini 360 Step-Down Buck Converter Module

In stock

Original price was: ₹42.00.Current price is: ₹35.00. (Inc. GST)
Add to cart
RFID IC Card 13.56 MHz for access control, attendance and NFC systems.
-17%
Quick view

RFID IC Card 13.56 MHz

In stock

Original price was: ₹12.00.Current price is: ₹10.00. (Inc. GST)
Add to cart
4×4 Matrix 16-Key Membrane Switch Keypad with row-column interface for Arduino.
-29%
Quick view

4×4 Matrix 16 Key Membrane Switch Keypad with Soft Touch

In stock

Original price was: ₹70.00.Current price is: ₹50.00. (Inc. GST)
Add to cart
USB to RS485 TTL Serial Converter Adapter FT232 Module for stable data communication.
-16%
Quick view

USB to RS485 TTL Serial Converter Adapter FT232 Module

In stock

Original price was: ₹220.00.Current price is: ₹185.00. (Inc. GST)
Add to cart
650nm 5V red laser diode module HW-493 cylindrical body with wire leads front view
-17%
Quick view

650nm 5V Red Laser Diode Module HW-493

In stock

Original price was: ₹48.00.Current price is: ₹40.00. (Inc. GST)
Add to cart
3S-4A Step-Up Boost Lithium Battery Charger Module 12.6V packs
-25%
Quick view

3S 4A Step Up Boost Lithium Battery Charger Module 12.6V – Type C

In stock

Original price was: ₹108.00.Current price is: ₹81.00. (Inc. GST)
Add to cart
6–30V Single Channel Power Relay Module with Adjustable Timer for Arduino.
-20%
Quick view

6–30V Single Channel Power Relay Module with Adjustable Timer

In stock

Original price was: ₹169.00.Current price is: ₹135.00. (Inc. GST)
Add to cart
2S-2A Step-Up Boost Lithium Battery Charger Module for 8.4V packs
-17%
Quick view

2S 2A Step Up Boost Lithium Battery Charger Module 8.4V – Type C

In stock

Original price was: ₹98.00.Current price is: ₹81.00. (Inc. GST)
Add to cart
Mini MP1584 DC-DC 3A Adjustable Buck module for Arduino
-13%
Quick view

Mini MP1584 DC-DC 3A Adjustable Buck module

In stock

Original price was: ₹52.00.Current price is: ₹45.00. (Inc. GST)
Add to cart
2 Channel Logic Level Converter for Arduino projects.
-22%
Quick view

2 Channel Logic Level Converter for I2C & UART

In stock

Original price was: ₹32.00.Current price is: ₹25.00. (Inc. GST)
Add to cart
FT232RL USB to TTL Serial Adapter Module 5V/3.3V for reliable data transfer at 5V or 3.3V levels.
-14%
Quick view

FT232RL USB to TTL Serial Adapter Module 5V/3.3V

In stock

Original price was: ₹145.00.Current price is: ₹125.00. (Inc. GST)
Add to cart
12V 2Ch Relay Module with Optocoupler dual channel control board
-12%
Quick view

12V 2Ch Relay Module with Optocoupler

In stock

Original price was: ₹91.00.Current price is: ₹80.00. (Inc. GST)
Add to cart
5V 2A Wireless Power Supply Transmitter Receiver Charging Module for electronics
-19%
Quick view

5V 2A Wireless Power Supply Transmitter Receiver Charging Module With Coil

In stock

Original price was: ₹864.00.Current price is: ₹700.00. (Inc. GST)
Add to cart
4 Channel 5V 10A Relay Module with optocoupler for safe, isolated switching of lights
-29%
Quick view

4 Channel 5V 10A Relay Module with optocoupler

In stock

Original price was: ₹211.00.Current price is: ₹150.00. (Inc. GST)
Add to cart
1000 KV high voltage booster module front view showing input terminals and step-up circuit board
-16%
Quick view

1000 KV High Voltage Booster Module

In stock

Original price was: ₹261.00.Current price is: ₹219.00. (Inc. GST)
Add to cart
12V 1Ch Relay Module with Optocoupler high voltage control board
-14%
Quick view

12V 1Ch Relay Module with Optocoupler

In stock

Original price was: ₹66.00.Current price is: ₹57.00. (Inc. GST)
Add to cart
CN3065 Mini Solar LiPo Charger Board for small electronic projects
-13%
Quick view

CN3065 Mini Solar LiPo Charger Board

In stock

Original price was: ₹103.00.Current price is: ₹90.00. (Inc. GST)
Add to cart
Real Time Clock DS1307 RTC I2C Module AT24C32 with built-in EEPROM for reliable Arduino.
-22%
Quick view

Real Time Clock DS1307 RTC I2C Module AT24C32

In stock

Original price was: ₹90.00.Current price is: ₹70.00. (Inc. GST)
Add to cart
TP4056 1A Lithium Battery Charger Module Micro USB
-31%
Quick view

TP4056 1A Lithium Battery Charger Module Micro USB

In stock

Original price was: ₹26.00.Current price is: ₹18.00. (Inc. GST)
Add to cart
Bluetooth 3.0 Audio Receiver Module stereo output front view
-24%
Quick view

Bluetooth 3.0 Audio Receiver Module with Stereo Output

In stock

Original price was: ₹105.00.Current price is: ₹80.00. (Inc. GST)
Add to cart
LM2596 Adjustable DC-DC Step Down Buck Converter Module for Arduino
-22%
Quick view

LM2596 Adjustable DC-DC Step Down Buck Converter Module

In stock

Original price was: ₹58.00.Current price is: ₹45.00. (Inc. GST)
Add to cart
15W Fast Wireless Charging Transmitter Module with Type-C input port
-27%
Quick view

15W Fast Wireless Charging Transmitter Module Type-C

In stock

Original price was: ₹342.00.Current price is: ₹250.00. (Inc. GST)
Add to cart
SYD1230 Red Line Laser Module 650nm 5mW front view
-30%
Quick view

SYD1230 Red Line Laser Module 650nm 5mW

In stock

Original price was: ₹236.00.Current price is: ₹165.00. (Inc. GST)
Add to cart
RFID Card 125kHz for security and identification systems.
-18%
Quick view

RFID Card 125kHz

In stock

Original price was: ₹22.00.Current price is: ₹18.00. (Inc. GST)
Add to cart
DC 3.7V to 400KV step up power module front view showing copper coil and output wires
-20%
Quick view

DC 3.7V to 400KV Step up Power Module High Voltage Generator

In stock

Original price was: ₹188.00.Current price is: ₹150.00. (Inc. GST)
Add to cart
5V Power Bank Charging Module DIY charging circuit board
-26%
Quick view

5V Power Bank Charging Module

In stock

Original price was: ₹38.00.Current price is: ₹28.00. (Inc. GST)
Add to cart
XL6009 DC-DC Adjustable Step-Up Converter Module for electronics
-14%
Quick view

XL6009 DC-DC Adjustable Step Up Converter Module

In stock

Original price was: ₹87.00.Current price is: ₹75.00. (Inc. GST)
Add to cart
Laser receiver sensor module non-modulated tube with three pin connector front view
-25%
Quick view

Laser Receiver Sensor Module Non-Modulated Tube

In stock

Original price was: ₹147.00.Current price is: ₹110.00. (Inc. GST)
Add to cart
NE555 Delay Timer Switch 12V Relay Module in Arduino projects.
-10%
Quick view

NE555 Delay Timer Switch 12V Relay Module (0-10 seconds)

In stock

Original price was: ₹89.00.Current price is: ₹80.00. (Inc. GST)
Add to cart
V2 Bluetooth Audio Module CA-6928 5V front view
-22%
Quick view

CA-6928 V2 Bluetooth Audio Module 5V

In stock

Original price was: ₹103.00.Current price is: ₹80.00. (Inc. GST)
Add to cart
I2C Bi-Directional Logic Level Converter 4 Channel for communication projects.
-26%
Quick view

I2C Bi-Directional Logic Level Converter 4 Channel

In stock

Original price was: ₹27.00.Current price is: ₹20.00. (Inc. GST)
Add to cart
W5500 Ethernet Module with SPI Interface for embedded system development.
-27%
Quick view

W5500 Ethernet Module with SPI Interface

In stock

Original price was: ₹534.00.Current price is: ₹390.00. (Inc. GST)
Add to cart
2 Channel 5V Relay Module with Optocoupler for Arduino, microcontroller, and control circuits.
-23%
Quick view

2 Channel 5V Relay Module with Optocoupler

In stock

Original price was: ₹104.00.Current price is: ₹80.00. (Inc. GST)
Add to cart
RC522 RFID Reader/Writer Module with RFID Card and Tag for Arduino projects.
-12%
Quick view

RC522 RFID Reader/Writer Module with RFID Card and Tag

In stock

Original price was: ₹91.00.Current price is: ₹80.00. (Inc. GST)
Add to cart
LM386 Audio Amplifier Module compact PCB front view
-13%
Quick view

LM386 Audio Amplifier Module

In stock

Original price was: ₹52.00.Current price is: ₹45.00. (Inc. GST)
Add to cart
USB-C 5V Power Bank Charging Module for DIY electronics
-18%
Quick view

USB-C 5V Power Bank Charging Module

In stock

Original price was: ₹34.00.Current price is: ₹28.00. (Inc. GST)
Add to cart
DC24V 20mm 12LED Ultrasonic Humidifier Mist Maker Fogger
-16%
Quick view

DC24V 20mm 12LED Ultrasonic Humidifier Mist Maker – Fogger Nebulizer

In stock

Original price was: ₹488.00.Current price is: ₹410.00. (Inc. GST)
Add to cart
Breadboard Power Supply Module 3.3V-5V mounted on breadboard
-24%
Quick view

Breadboard Power Supply Module 3.3V-5V

In stock

Original price was: ₹86.00.Current price is: ₹65.00. (Inc. GST)
Add to cart
MAX3232 Mini RS232 to TTL Module Board for reliable serial communication.
-17%
Quick view

MAX3232 Mini RS232 to TTL Module Board

In stock

Original price was: ₹42.00.Current price is: ₹35.00. (Inc. GST)
Add to cart
TDA2030A 6 – 12V DC Audio Amplifier Module compact PCB front view
-14%
Quick view

TDA2030A 6 – 12V DC Audio Amplifier Module 18W

In stock

Original price was: ₹110.00.Current price is: ₹95.00. (Inc. GST)
Add to cart
Multi-output Power Supply Module DC-DC 12V TO 3.3 board
-27%
Quick view

Multi-output Power Supply Module DC-DC 12V TO 3.3

In stock

Original price was: ₹137.00.Current price is: ₹100.00. (Inc. GST)
Add to cart
PN532 NFC RFID Reader/Writer Module V3 Kit 13.56MHz for Arduino and DIY applications.
-16%
Quick view

PN532 NFC RFID Reader/Writer Module V3 Kit 13.56MHz

In stock

Original price was: ₹345.00.Current price is: ₹290.00. (Inc. GST)
Add to cart
Traffic light module 5V PCB showing three signal pin connections close up
-25%
Quick view

LED Traffic Light Signal Module with Digital Output

In stock

Original price was: ₹60.00.Current price is: ₹45.00. (Inc. GST)
Add to cart
XH-M131 DC Light Control Switch Photoresistor Relay Module
-13%
Quick view

XH-M131 DC Light Control Switch Photoresistor Relay Module

In stock

Original price was: ₹149.00.Current price is: ₹130.00. (Inc. GST)
Add to cart
DF Player Mini MP3 Player Module serial port front view
-25%
Quick view

DF Player Mini MP3 Player Module With Serial Port For Arduino

In stock

Original price was: ₹160.00.Current price is: ₹120.00. (Inc. GST)
Add to cart
4×4 matrix 16 key keypad module for Arduino.
-20%
Quick view

4×4 Matrix 16 Key Keypad Module

In stock

Original price was: ₹69.00.Current price is: ₹55.00. (Inc. GST)
Add to cart
EM-18 RFID reader module 125kHz for fast and secure tag reading.
-28%
Quick view

EM-18 RFID Reader Module 125kHz

In stock

Original price was: ₹443.00.Current price is: ₹319.00. (Inc. GST)
Add to cart
PAM8403 5V Mini Audio Amplifier Module with volume control front view
-15%
Quick view

PAM8403 5V Mini Audio Amplifier Module with Volume Control

In stock

Original price was: ₹59.00.Current price is: ₹50.00. (Inc. GST)
Add to cart
TEC1-12706 Thermoelectric Cooler Peltier Module 12V
-11%
Quick view

TEC1-12706 Thermoelectric Cooler Peltier Module – 12V DC

In stock

Original price was: ₹225.00.Current price is: ₹200.00. (Inc. GST)
Add to cart
USB-C PD Trigger Decoy Module for fixed voltage power output.
-28%
Quick view

USB-C PD Trigger Decoy Module with Selectable Voltage Output

In stock

Original price was: ₹153.00.Current price is: ₹110.00. (Inc. GST)
Add to cart
IIC/I2C Serial Interface Adapter Module for reliable data transmission.
-26%
Quick view

IIC/I2C Serial Interface Adapter Module

In stock

Original price was: ₹66.00.Current price is: ₹49.00. (Inc. GST)
Add to cart
GY-MAX4466 Electret Microphone Sensor Module front view showing mic capsule and pin header
-25%
Quick view

GY-MAX4466 Electret Microphone Sensor Module with Gain Control

In stock

Original price was: ₹160.00.Current price is: ₹120.00. (Inc. GST)
Add to cart
5V 1CH Relay Module single channel high current control board
-12%
Quick view

5V 1CH Relay Module

In stock

Original price was: ₹51.00.Current price is: ₹45.00. (Inc. GST)
Add to cart
Mini Micro SD Card Reader Module SPI six pin front view
-14%
Quick view

Mini Micro SD Card Reader Module

In stock

Original price was: ₹29.00.Current price is: ₹25.00. (Inc. GST)
Add to cart
DS3231 RTC Module Precise Real Time Clock I2C with AT24C32 EEPROM for Arduino.
-20%
Quick view

DS3231 RTC Module Precise Real Time Clock I2C AT24C32

In stock

Original price was: ₹169.00.Current price is: ₹135.00. (Inc. GST)
Add to cart
SD Card Reader Module SPI six pin header front view
-29%
Quick view

Micro SD Card Reader Module

In stock

Original price was: ₹63.00.Current price is: ₹45.00. (Inc. GST)
Add to cart
MAX9814 Microphone AGC Amplifier Module front view showing electret mic capsule and pin header
-13%
Quick view

MAX9814 Microphone AGC Amplifier Module High Performance

In stock

Original price was: ₹253.00.Current price is: ₹220.00. (Inc. GST)
Add to cart
Joystick Module Breakout Sensor HW-504 front view showing knob and 5-pin header
-12%
Quick view

Joystick Module Breakout Sensor HW-504

In stock

Original price was: ₹51.00.Current price is: ₹45.00. (Inc. GST)
Add to cart
MT3608 2A DC-DC Step Up Booster Power Module for electronics
-26%
Quick view

MT3608 2A DC-DC Step Up Booster Power Module

In stock

Original price was: ₹61.00.Current price is: ₹45.00. (Inc. GST)
Add to cart
125kHz & 13.56MHz RFID Keychain Tag delivers quick response for smart access.
-22%
Quick view

125kHz & 13.56MHz RFID Keychain Tag

In stock

Original price was: ₹23.00.Current price is: ₹18.00. (Inc. GST)
Add to cart
PAM8403 5V Two Channel Stereo Audio Amplifier Module front view
-10%
Quick view

PAM8403 5V Two Channel Stereo Audio Amplifier Module HW-104

In stock

Original price was: ₹39.00.Current price is: ₹35.00. (Inc. GST)
Add to cart

Stem DIY Kits

More Products
DIY Fire Alarm Kit assembled circuit with buzzer, sensor module, battery holder, and connecting wires on board
-18%
Quick view

DIY Fire Alarm Kit | Heat Sensor Alert System for Students

In stock

Original price was: ₹291.00.Current price is: ₹239.00. (Inc. GST)
Add to cart
6 Wheel Tank DIY Robot Chassis Kit assembled front view
-15%
Quick view

6 Wheel Tank DIY Robot Chassis Kit with BO Motor & Wheels

In stock

Original price was: ₹1,706.00.Current price is: ₹1,450.00. (Inc. GST)
Add to cart
13 in 1 Solar Robot Kit with multiple robot models and solar panel displayed for different build configurations
-20%
Quick view

13 in 1 Solar Robot Kit for Kids Age 8+ | DIY STEM Educational Learning Kit

In stock

Original price was: ₹999.00.Current price is: ₹799.00. (Inc. GST)
Add to cart
DIY D2-1 Intelligent Line Follower fully assembled with sensors, wheels, and circuit board for line tracking
-24%
Quick view

DIY D2-1 Intelligent Line Follower | Tracing Car Kit

In stock

Original price was: ₹459.00.Current price is: ₹349.00. (Inc. GST)
Add to cart
-10%
Quick view

Acrylic Robotic Mechanical Arm Clamp Kit

In stock

Original price was: ₹361.00.Current price is: ₹325.00. (Inc. GST)
Add to cart

Motors & Drivers

Powering Your Projects with High Torque Precision.

DC Motors
Gear motor
Drivers
Servo Motors
0.91 Blue OLED Display with I2C/IIC Serial Interface Module For Arduino
-26%
Quick view

0.91 Blue OLED Display with I2C/IIC Serial Interface Module For Arduino

In stock

Original price was: ₹228.00.Current price is: ₹169.00. (Inc. GST)
Add to cart
2004 green LCD display module for Arduino and electronics projects
-28%
Quick view

2004 LCD Display Module Green

In stock

Original price was: ₹528.00.Current price is: ₹380.00. (Inc. GST)
Add to cart

Stemvolt Tech Blogs

    • Subscribe to our Newsletter

    to get promotional offers & discounts

    Subscription Form

    Buy Electronics Components & Robotics Parts Online India StemVolt is India's trusted online store for Electronics Components, Robotics Parts and STEM Kits. We offer Arduino boards, ESP32, Sensors, IoT Modules, Drone Parts and DIY Kits at competitive prices with fast delivery across India. Shop genuine products from StemVolt — India's Inventor Store, based in Kota, Rajasthan. Trusted by students, engineers and makers across India.

    Best Selling Arduino, Sensors & IoT Modules Shop India's most popular Arduino UNO, ESP32, Ultrasonic Sensors, DHT11, Relay Modules and Bluetooth modules. Trusted by 10,000+ students and engineers across India. Why Students & Engineers Choose StemVolt Genuine products, fast delivery across India, best prices guaranteed and easy return policy. StemVolt delivers quality Electronics Components and Robotics Parts right to your doorstep. Arduino, Robotics & DIY Project Tutorials Learn how to build Arduino projects, robotics systems and IoT devices with our step-by-step beginner guides and tutorials. Start building today with StemVolt. India's Inventor Store — StemVolt StemVolt is India's trusted Electronics and Robotics store based in Kota, Rajasthan. We supply genuine components to students, makers and engineers pan India with Rs. 89 shipping and COD up to Rs. 5,000.