4 channel relay board will provide the ability to control high voltage and high current external devices through GPIO pins easily.

FEATURES

• Add-on board for ODROID-M1S only.
• 4-channel relay control via GPIO pins.
• GPIO isolation using PC817 photocoupler to prevent interference from high voltage circuit.
• Single RS232 serial port.
• Board reset and power button pins (Optional)

Specifications

NOTES

• https://wiki.odroid.com/accessory/add-on_boards/relayboard