4 Channel Relay board for M1S
$15.95
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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 Form Factor Board dimension : 90 (L) x 65 (W) x 28 (H) mm I/O 4x RELAY (SRD-05VDC-SL-C) 1x RS232 NOTES https://wiki.odroid.com/accessory/add-on_boards/relayboard
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