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  1. #1
    Join Date
    Dec 2017

    Default How to detect USB Attached/detached


    the pic18f45k50 stuck when i detached it from the usb (pc).
    the software running hid keyboard and uart keyboard , how i can detect if the pic18f45k50 Attached/detached to usb pc ?


  2. #2
    Join Date
    Apr 2014

    Default Re: How to detect USB Attached/detached

    The USB connector has 4 pins; D+, D-, Gnd, and Vusb. If you have voltage on Vusb, you are connected. Dedicate one of your pins for detecting Vusb.
    I don't need the world to know my name, but I want to live a life so all my great-grandchildren proudly remember me.

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