ELECTRONICS MODULES

1 Channel 5V Relay Module without Optocoupler

SKU: SVT-2724

In stock

40.00 (Included GST)

12V 1Ch Relay Module with Optocoupler

SKU: SVT-2726

In stock

40.00 (Included GST)

12V 2Ch Relay Module with Optocoupler

SKU: SVT-2725

In stock

75.00 (Included GST)

12V 8 Channel Relay Module

SKU: SVT-2721

In stock

390.00 (Included GST)

13.56MHz RFID keychain Tag

In stock

18.00 (Included GST)

2 Channel 5V Relay Module with Optocoupler

SKU: SVT-2723

In stock

75.00 (Included GST)

4 Channel 5V 10A Relay Module with optocoupler

SKU: SVT-2722

In stock

150.00 (Included GST)

4×4 Matrix 12 keys Membrane Switch Keypad

SKU: SVT-4509

In stock

50.00 (Included GST)

5V 1CH Relay Module

SKU: SVT-2728

In stock

40.00 (Included GST)

5V 7A SPDT Relay PCB Mount

SKU: SVT-2727

In stock

17.00 (Included GST)

5V Power Bank Charging Circuit Module

SKU: SVT-2765

In stock

22.00 (Included GST)

Explore Versatile Electronics Modules for Your DIY and Embedded Projects

Stemvolt presents a wide range of Electronics Modules to simplify your embedded systems, automation, and electronics development tasks. From Audio Modules, Relay Modules, and Power Supply Modules to Interface Modules, Keypad Units, and RTC/ RFID Modules, we provide plug-and-play solutions that accelerate your project timeline.

These compact, reliable modules are ideal for Arduino, Raspberry Pi, ESP32, robotics, home automation, IoT, and STEM learning setups. Whether you’re designing a smart security system, a robotic hand, or a voice-controlled device, our modules ensure seamless connectivity and functional accuracy.

Our collection includes signal converters, I/O expanders, sound amplifiers, battery management modules, and more — all tested for quality and compatibility.
Stemvolt’s Electronics Modules are perfect for students, makers, educators, and product developers who need modular electronics for rapid prototyping and innovation.