8 Channel Relay Expansion Board for Raspberry Pi and Jetson Nano 5V Power Supply GPIO Ready Controls High Voltage Home Appliances Up To 5A 250V AC with Photo Coupling Isolation and Rail Mount Case

8-Channel Relay Expansion Board for Pi & Jetson Nano (1 pc)
✔️ 8-channel 5V relay board handles 5A/250V AC with isolation and rail

This 8-channel relay expansion board adds high voltage switching to Raspberry Pi and Jetson Nano, enabling safe control of home appliances, motors, and other loads via GPIO.

✅ 8-channel 5V relay expansion board rated for up to 5A/250V AC or 5A/30V DC
✅ Photo-coupled isolation protects the GPIO from high voltage spikes
✅ Standard Raspberry Pi 40-pin GPIO header and Jetson Nano compatibility
✅ Rail-mountable case for secure panel or DIN rail installation
✅ Relay control pin selection jumper to customize control pins
✅ Onboard LEDs indicate relay status for quick diagnostics
✅ Reserved control interface for PLC compatibility
✅ Includes wiring examples in wiringPi, bcm2835, Python, and web control

💡 What is a relay expansion board used for?

- Lets you switch AC and DC loads safely from a microcontroller - Provides isolation to protect the controller from high voltage spikes - Works with Raspberry Pi and Jetson Nano via a standard GPIO header - Enables automation workflows with PLC-friendly control interfaces