5V 12V 2/4/8Channels Computer USB Control Delay Switch Drive-free Relay Module
ab 10,26 €
1 2/4/8 Channles 5V / 12V Relay Module. Using the dedicated relay driver chip ULN2803, the relay works more stably. Relay Module. Square USB interface, stable connection. Input current:>300MA. If you have any needs, pls contcact us for free, we will help you get all things you need.
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