4 Kanal Relais Steuerplatine Relais Erweiterungsplatine für Arduino UNO R3 Mega 2560
4,50 €
Standard Arduino Shield interfaces and shape. Can continue to stack other Arduino expansion boards. 3 M3 screw positioning holes for easy installation. Relay: sky- 5V DC relay, model HJR-4102-L-5V, which Relay1 behalf of the 1st relay, the other and so on.
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