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  1. 05-01-2016 #2
    komatias's Avatar
    Lives in Bristol, United Kingdom.
    komatias
    Last Activity: 06-07-2022 Has been a member for 9-10 years. Has a total post count of 559. Received thanks 61 times, giving thanks to others 12 times.
    Davo,

    How are you powering up the BOB? The parallel port does not transmit power.

    If the Drives are not showing that they are getting power, then check the power to them too and ensure that the enable signal is set up correctly in ports and pins. Enables are usually active low but double check your drives.

    Another issue you may face is that newer LPT's push 3.3V and not 5V...

    Regards

    George
    Last edited by komatias; 05-01-2016 at 03:27 PM.
    https://emvioeng.com
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