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Only works with USB connection to PC in place. — Parallax Forums

Only works with USB connection to PC in place.

HughHugh Posts: 362
edited 2013-03-19 10:53 in Propeller 1
Hello,

I have a problem with a protoboard-based project: the software on it appears to get stuck soon after it starts, re-starting over and over again at one of the first steps - except if the USB connection to the PC is in place, when it runs as intended / expected.

The protoboard is a non-USB version, using a PropPlug.

Any thoughts or suggestions would be gratefully received,

Hugh

Comments

  • mindrobotsmindrobots Posts: 6,506
    edited 2013-03-19 10:37
    Is anything else connected to the protoboard? What is the power source when you aren't connected to the PC?
    The symptoms you are describing sound very much like a power issue. The power draw exceeds what the supply can provide and the Prop resets, reboots and gets to a point where it draws more than can be supplied and resets.....forever.
  • HughHugh Posts: 362
    edited 2013-03-19 10:50
    You are right - thank you!

    Disconnecting two other devices on the same source allowed it to boot and run properly.

    Just off to a neighbour to borrow a battery-charger! :smile:
  • mindrobotsmindrobots Posts: 6,506
    edited 2013-03-19 10:53
    Glad I could help get you on your way!
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