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  1. TopRigger

    Annoyingly simple 555 problem

    Iv'e spent ages trying to solve what should be a ridiculously easy problem but it's got me stumped. A standard 555 monostable circuit, output drives a small relay that controls a small motor - it should turn on for 2.5 seconds when the 555 is triggered but just turns back off again - 555 doesn't...

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