1 Channel Infrared Switch Relay Driving Module Board 5V Active Remote Controller
3,37 €
This product is a 1-channel relay module board, which is 5V active low. Relay Module interfaces: VIN + Positive pole 5V, GND Negative electrode; the middle port of the three ports is Community port, the other two ports are normally open port and normal close port (the front end circuit of the relay output and input is insulative).
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