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  1. 11-08-2015 #12
    cropwell's Avatar
    Lives in Nottingham, United Kingdom.
    cropwell
    Last Activity: 28-05-2023 Has been a member for 9-10 years. Has a total post count of 1,646. Received thanks 170 times, giving thanks to others 30 times.
    You may have a faulty board. Try hooking it up to a 5v power supply and see if you get a relay operating with 5v from the same supply. Some boards I have switch the relay on with 0v and off with 5v. Also check the jumpers.
    Last edited by cropwell; 11-08-2015 at 10:19 PM.
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