Sensors (700 x 460 px)

Categories

Best Price Guaranteed

More Sensors
GY-273 magnetometer sensor back view showing PCB traces and I2C pin connections
-30%
Quick view

GY-273 HMC5883L Triple Axis Compass Magnetometer Sensor Module 3V-5V

In stock

Original price was: ₹257.00.Current price is: ₹180.00. (Inc. GST)
Add to cart
LM35D Analog Temperature Sensor Module front view showing LM35D chip PCB and three wire cable
-17%
Quick view

LM35D Analog Temperature Sensor Module With Cable

In stock

Original price was: ₹120.00.Current price is: ₹100.00. (Inc. GST)
Add to cart
TCS3200 color recognition sensor module PCB with RGB LEDs and output pins front view
-28%
Quick view

TCS3200 Color Recognition Sensor Module

In stock

Original price was: ₹486.00.Current price is: ₹350.00. (Inc. GST)
Add to cart
BFD-1000 Five Channel Infrared Tracking Sensor Module showing five IR sensor pairs on PCB front
-24%
Quick view

BFD-1000 Five Channel Infrared Tracking Sensor Module | Tracing Sensor

In stock

Original price was: ₹276.00.Current price is: ₹210.00. (Inc. GST)
Add to cart
Tilt Sensor Vibration Alarm Vibration Switch Module provides reliable motion for robotics
-23%
Quick view

Tilt Sensor Vibration Alarm Vibration Switch Module for Arduino

In stock

Original price was: ₹65.00.Current price is: ₹50.00. (Inc. GST)
Add to cart

Microcontroller Boards

More Products
3 in 1 Aluminum Heatsink Cooling Set for Raspberry Pi front view
-14%
Quick view

3 in 1 Aluminum Heatsink Cooling Set for Raspberry Pi

In stock

Original price was: ₹29.00.Current price is: ₹25.00. (Inc. GST)
Add to cart
Arduino Nano R3 Compatible Board with CH340 chip soldered, mini USB port, and pin headers
-28%
Quick view

Arduino Nano R3 Compatible Board with CH340 chip SOLDERED

In stock

Original price was: ₹319.00.Current price is: ₹230.00. (Inc. GST)
Add to cart
Arduino UNO R3 with Wi-Fi ATmega328P + ESP8266 NodeMCU board with USB port, ESP module, and headers
-29%
Quick view

Arduino UNO R3 with Wi-Fi ATmega328P + ESP8266 NodeMCU

In stock

Original price was: ₹775.00.Current price is: ₹550.00. (Inc. GST)
Add to cart
arduino nano board layout showing SMD components and pin headers on compact development board
-27%
Quick view

Arduino Nano R3 Compatible Board with CH340 Chip SMD

In stock

Original price was: ₹315.00.Current price is: ₹230.00. (Inc. GST)
Add to cart

FPV Drone Parts

Building Your Drem Drone Aeromodel.

0 days 00 hr 00 min 00 sc
Go Shopping
8045 Drone Aircraft Propeller Blade Set lightweight balanced design

8045 Drone Aircraft Propeller Blade Set – CW and CCW pair

Original price was: ₹78.00.Current price is: ₹59.00. (Inc. GST)
20A Brushed ESC Electronic Speed Controller RC Car front view

20A Brushed ESC Electronic Speed Controller for DC Motor and RC Cars

Original price was: ₹377.00.Current price is: ₹279.00. (Inc. GST)

High Fly 2200mAh 3S 11.1V 35C LiPo Battery

Original price was: ₹2,124.00.Current price is: ₹1,699.00. (Inc. GST)
Rubber shock absorber mount used to stabilize electronics and protect sensitive components.

Anti-Vibration Shock Absorber Mount for APM, KK, MWC, and Pixhawk Flight Controllers

Original price was: ₹285.00.Current price is: ₹225.00. (Inc. GST)
A2212 1000KV Brushless Motor durable balanced design

A2212 1000KV Brushless Motor For RC Airplane and Quadcopter

Original price was: ₹580.00.Current price is: ₹429.00. (Inc. GST)

Electronics Modules

More Products
5V Power Bank Charging Module front view Micro USB port visible
-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
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
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
2 Channel Logic Level Converter I2C UART 3.3V 5V front view
-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
LM386 audio amplifier board pinout input output wiring 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
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
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
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
5V 2A Wireless Power Supply Transmitter Receiver Charging Module With Coil
-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
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
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
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
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
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
TP4056 1A Lithium Battery Charger Module C Type
-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
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
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
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
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
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
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
2S 2A Step Up Boost Lithium Battery Charger Module 8.4V - Type C
-19%
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: ₹79.00. (Inc. GST)
Add to cart
XL6009 Adjustable Step Up Module Digital Display front view
-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
Breadboard Power Supply Module 3.3V 5V MB102 front view
-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
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
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
IIC/I2C Serial Interface Adapter Module
-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
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
6-30V Single Channel Power Relay Module Adjustable Timer front
-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
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
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
TP4056 1A Lithium Battery Charger Module Micro USB front view
-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
Multi-Output Power Supply Module DC 3.3V 5V 12V front view
-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
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
MT3608 2A DC-DC Step Up Booster Power Module front view
-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
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
5V 1CH Relay Module TTL Arduino single channel front view
-12%
Quick view

5V 1CH Relay Module

In stock

Original price was: ₹51.00.Current price is: ₹45.00. (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
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
15W Fast Wireless Charging Transmitter Module Type-C front view
-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
DS3231 RTC Module Precise Real Time Clock I2C with AT24C32 EEPROM for Arduino.
Quick view

DS3231 RTC Module Precise Real Time Clock I2C AT24C32

In stock

₹295.00 (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
12V 1Ch Relay Module Optocoupler Isolated 240VAC front view
-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
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
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
I2C Logic Level Converter 4 Channel 3.3V 5V front view
-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
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
USB to RS485 TTL Serial Converter Adapter FT232 Module
-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
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
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
LM2596 Adjustable DC-DC Step Down Buck Converter Module front
-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
3S 4A Step Up Boost Lithium Battery Charger Module 12.6V - Type C
-27%
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: ₹79.00. (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
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
Mini MP1584 DC-DC 3A Adjustable Buck Module
-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
Fast Charging Module PD65W Type-C front view
-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
FT232RL USB to TTL Serial Adapter Module Red front view
-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
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
4×4 Matrix 16 Key Keypad Module
-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
CN3065 Mini Solar LiPo Charger Board front view
-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
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
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
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
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
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
MAX3232 mini RS232 to TTL module board for DIY serial interfacing tasks.
-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
NE555 Delay Timer Switch 12V Relay Module front view
-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
W5500 Ethernet Module SPI Interface Arduino IoT front view
-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

Stem DIY Kits

More Products
Solar Power Fan DIY Kit assembled with small fan blade connected to solar panel and mounted on base
-18%
Quick view

Solar Power Fan DIY Kit for Educational Solar Projects

In stock

Original price was: ₹267.00.Current price is: ₹219.00. (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
DIY Wooden Windmill Power Generator Model Kit assembled front view
-30%
Quick view

DIY Wooden Windmill Power Generator Model Kit for STEM Learning

In stock

Original price was: ₹284.00.Current price is: ₹199.00. (Inc. GST)
Add to cart
-24%
Quick view

Hydro Energy DIY Kit for Kids | Water Power Science Experiment Kit

In stock

Original price was: ₹428.00.Current price is: ₹325.00. (Inc. GST)
Add to cart
child assembling Blix 5-in-1 Buddy Building and Construction DIY Kit using screwdriver and plastic
-11%
Quick view

Blix 5-in-1 Buddy Building and Construction DIY Kit | STEM Learning Kit for Kids

In stock

Original price was: ₹617.00.Current price is: ₹549.00. (Inc. GST)
Add to cart

Motors & Drivers

Powering Your Projects with High Torque Precision.

DC Motors
Gear motor
Drivers
Servo Motors
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
8×8 RGB 64 LED Dot Matrix Display Module for Arduino
-13%
Quick view

8×8 RGB 64 LED Dot Matrix Display Module – Cathode

In stock

Original price was: ₹68.00.Current price is: ₹59.00. (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. 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.