5pcs DC 5V 12V 2A Bistable self-locking switch Module LED Controller Relay touch
4,89 €
Module interface 5 Ti : Button port 1. 6 To : Button port 2. 1 When powering on, the output state may be on or off,Connecting 220-1000UF electrolytic capacitors in parallel at the input can reduce the uncertainty.
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