Sensors (700 x 460 px)

Categories

Best Price Guaranteed

More Sensors
MQ-135 gas sensor module with metal dome element and analog output PCB front view
-28%
Quick view

MQ-135 Gas Sensor Module | NH3, Alcohol, benzene, smoke , CO2 Detector

In stock

Original price was: ₹167.00.Current price is: ₹120.00. (Inc. GST)
Add to cart
DS18B20 Water Proof Temperature Probe stainless steel tip with red black yellow wire leads front view
-18%
Quick view

DS18B20 Water Proof Temperature Probe Sensor

In stock

Original price was: ₹98.00.Current price is: ₹80.00. (Inc. GST)
Add to cart
TTP229 16 Key Capacitive Touch Switch Digital Keypad Module front view showing all 16 touch pads
-15%
Quick view

TTP229 16 Key Capacitive Touch Switch Digital Keypad Module

In stock

Original price was: ₹124.00.Current price is: ₹105.00. (Inc. GST)
Add to cart
Ai-Thinker VC-02 Voice Recognition Control Module showing microphone and PCB layout front view
-24%
Quick view

Ai-Thinker VC-02 Voice Recognition Control Module

In stock

Original price was: ₹914.00.Current price is: ₹695.00. (Inc. GST)
Add to cart
5kg Load Cell Weight Sensor front view showing aluminium body strain gauge element and M4 screw holes
-20%
Quick view

5kg Load Cell Weight Sensor For Weighing Scale Projects

In stock

Original price was: ₹169.00.Current price is: ₹135.00. (Inc. GST)
Add to cart

Microcontroller Boards

More Products
Arduino LilyPad ATmega328P Compatible Board with circular design, sew tabs, and central microcontroller
-17%
Quick view

Arduino LilyPad ATmega328P Compatible Board

In stock

Original price was: ₹500.00.Current price is: ₹415.00. (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
Alt Text: Raspberry Pi 4 Model B – 2GB RAM Board front view showing BCM2711 chip USB 3.0 ports and 40-pin GPIO header
Quick view

Raspberry Pi 4 Model B – 2GB RAM Board

In stock

₹6,900.00 (Inc. GST)
Add to cart
BLE-Nano 4.2 Devlopment Board with pin headers and Type-C connector
-19%
Quick view

BLE-Nano 4.2 Devlopment Board Type-C Integrated CC2540

In stock

Original price was: ₹1,747.00.Current price is: ₹1,415.00. (Inc. GST)
Add to cart

FPV Drone Parts

Building Your Drem Drone Aeromodel.

0 days 00 hr 00 min 00 sc
Go Shopping
High Fly 2200mAh 3S 11.1V 35C LiPo Battery front view

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

Original price was: ₹2,124.00.Current price is: ₹1,699.00. (Inc. GST)
40A ESC for Brushless Motors in Drones and RC Planes

40A ESC for Brushless Motors in Drones and RC Planes

Original price was: ₹738.00.Current price is: ₹649.00. (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)
Depron Sheet (1000mm X 500mm) 5mm White RC Plane front view

Depron Sheet (1000mm X 500mm) 5mm | For Aeromodelling, RC Planes & DIY – Pack of 5 Sheets

Original price was: ₹2,729.00.Current price is: ₹2,129.00. (Inc. GST)
KK 2.1.5 Multirotor Flight Controller Board LCD front view

KK 2.1.5 Multirotor Flight Controller Board with LCD

Original price was: ₹6,152.00.Current price is: ₹5,291.00. (Inc. GST)

Electronics Modules

More Products
12V 2Ch Relay Module Optocoupler Isolated dual channel
-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
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
RFID Card 125kHz PVC White EM4100 front view
-18%
Quick view

RFID Card 125kHz

In stock

Original price was: ₹22.00.Current price is: ₹18.00. (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
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
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
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
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
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
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
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
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
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 8 Channel Relay Module Optocoupler Isolated front view
-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
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
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
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
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
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
-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
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
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
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
1 Channel 5V Relay Module Without Optocoupler LED
-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
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
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
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
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
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
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
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
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
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
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
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
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
EM-18 RFID Reader Module 125kHz UART Arduino front view
-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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
RC522 RFID Reader/Writer Module with RFID Card and Tag
-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
Real Time Clock DS1307 RTC I2C Module AT24C32
-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 Channel 5V 10A Relay Module Optocoupler front view
-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 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
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
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
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
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
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
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
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
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
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
DS3231 RTC Module Precise Real Time Clock I2C front view
Quick view

DS3231 RTC Module Precise Real Time Clock I2C AT24C32

In stock

₹295.00 (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
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
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
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
2 Channel 5V Relay Module Optocoupler 3.3V 5V
-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

Stem DIY Kits

More Products
RC XYQ-1 DIY Wooden Drone Kit assembled basswood front view
-26%
Quick view

RC XYQ-1 DIY Wooden Drone Kit – RC Quadcopter for Kids, Students

In stock

Original price was: ₹3,269.00.Current price is: ₹2,419.00. (Inc. GST)
Add to cart
Arduino Uno R3 Advance Kit full box contents front view
-25%
Quick view

Arduino Uno R3 Advance Kit – DIY Electronics and Learning Kit Compatible

In stock

Original price was: ₹3,225.00.Current price is: ₹2,419.00. (Inc. GST)
Add to cart
DIY D2-5 Intelligent Tracking Line Car Kit fully assembled with sensors, wheels, and circuit board for line following
-17%
Quick view

DIY D2-5 Intelligent Tracking Line Car Kit

In stock

Original price was: ₹420.00.Current price is: ₹349.00. (Inc. GST)
Add to cart
stem education kit components including solar panel, motor, wheels, and chassis parts laid out for assembly
-11%
Quick view

Solar Powered DIY Car Kit | Fun STEM Educational Toy for Kids

In stock

Original price was: ₹224.00.Current price is: ₹199.00. (Inc. GST)
Add to cart
-30%
Quick view

10 Types Tactile Push Button Switch Kit

In stock

Original price was: ₹441.00.Current price is: ₹309.00. (Inc. GST)
Add to cart

Motors & Drivers

Powering Your Projects with High Torque Precision.

DC Motors
Gear motor
Drivers
Servo Motors
-19%
Quick view

1.3 Inch I2C 4-Pin Blue OLED Display Module

In stock

Original price was: ₹357.00.Current price is: ₹289.00. (Inc. GST)
Add to cart
2.4 Inch TFT LCD Touch Display Shield for Arduino UNO front view
-28%
Quick view

2.4 Inch TFT LCD Touch Display Shield for Arduino UNO Board

In stock

Original price was: ₹803.00.Current price is: ₹578.00. (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.