2PCS One 1 Channel Isolated 5V Relay Module Coupling For Arduino optocoupler
1,91 €
2PCS One 1 Channel Isolated 5V Relay Module With Optocoupler For Arduino. 5V 1-Channel Relay interface board, and each one needs 15-20mA Driver Current. 5V 1-Channel Relay interface board, and each one needs 15-20mA Driver Current.
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