driving suction pump through PIC

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  • October 1, 2014 at 12:08 pm #8882
    PN
    Participant

    Hi,

    I’m driving a suction pump through relay, im interfacing relay and PIC through ULN 2803. The problem is when i was using a 12 V pump it was running fine when i replaced it with 5V pump , PIC gets reset. relay clicks but PIC resets so prog stops there. the relay im using  is 12 V. can you tell me where the prob is?

    October 3, 2014 at 12:58 pm #9342
    Ligo George
    Keymaster

    Use Separate Power Supplies for PIC and PUMP.

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