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Results tagged with relay
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user 262611
A relay is an electrically controlled switch. Electromechanical relays use an electromagnet to activate mechanical contacts, solid-state relays use semiconductor switches.
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Can't get 2-relay module to work through JD-Vcc
If the JD-Vcc jumper is set and I power the relay board via the Vcc and ground pins next to the input pins, everything works fine. When I pull an input pin to ground, the relay actuates. … Anyway, I want to power the relay board through JD-Vcc. Here, I can't get anything to work. …
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