One Channel 5V Relay Module For Arduino Raspberry Pi PLC Home Automation Industrial Control And Robotics DIY Projects With High And Low Level Trigger For Precise Device Control

Single-Channel 5V Relay Module for Arduino and Pi - 1 Pack
✔️ 5V DC operation, opto-isolation, high/low trigger, status LED

This compact 1-channel 5V relay module lets you switch a single high-power device from low-voltage controllers like Arduino, Raspberry Pi, or PLCs. It’s a solid choice for home automation, robotics, and small industrial tasks.

✅ 1-channel relay module for simple device control
✅ 5V DC operating voltage compatible with motors, pumps, and sensors
✅ Optical isolation protects control circuits from voltage spikes
✅ High and low level trigger modes enable flexible wiring
✅ Pre-soldered board with screw terminals and status LED for quick setup

💡 What is a 5V relay module used for in hobby electronics and automation?

A handy device that lets you switch high-power devices from a low-voltage control signal.

- Drives motors, pumps, lights, and other loads from 5V logic

- Provides opto-isolation to protect control electronics

- Easy integration with Arduino, Raspberry Pi, and PLCs