5V 4 Channel Relay Shield For Arduino UNO. Compatible with Arduino UNO, Makerduino and other boards with the similar architecture and function.
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* Compatible with Arduino UNO, Makerduino UNO and other boards with a similar structure and function.
* 5VDC control voltage.
* 4 high quality mechanical relays.
* High quality screw terminal.
* Provides NO/NC interfaces.
1X 5V 4 Channel Relay Shield For Arduino UNO