Kostenloses Laufwerk USB Relaismodul 5V 1 Kanal Computergesteuerte Relaisplatine
6,82 €
Each relay has a indicator, and the working status of the relay is clear at a glance;. 1 piece 1 way 5V USB relay module. Each relay output leads to two sets of normally open and normally closed electric shocks, which is convenient and flexible to use.
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