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4 votes

5 Volt Relay not working as expected

This isn't how a relay works. The relay board is just a switch that can be turned on and off by a low power signal from a raspberry pi GPIO pin. You will need to provide a separate power source to ...
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2 votes

My relay triggers on access. How to disable this?

"Normally open" contacts are open when there's 0V on the relay coil. Depending on the circuit of the module, that could correspond to 0V or 5V on the digital input which you connect to the ...
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