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Results tagged with relay
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user 208035
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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Do I have a bad relay module?
can use appropriate voltage to trigger the relay coil don't worry about the circuit. … Just use two wires connected to 3v/5v/12v and touch the wires on the coil terminals of the relay if the relay is not bad then you will listen tiktok sound :) …
