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Relay

Q&A Forum › Relay
0 Vote Up Vote Down
Joel Jacob asked 6 years ago

How do we check if a relay is faulty?
Does a 5V relay work on 4.5V?
Thanks in advance

1 Answers
0 Vote Up Vote Down
Rui Santos Staff answered 6 years ago

Hello Joel, a 5V relay module should be powered with 5V to work properly.
However, if you send a HIGH signal at 4.5V to the INPUT it should turn it on/off…

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