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Powering the Activity Board from another board — Parallax Forums

Powering the Activity Board from another board

blittledblittled Posts: 681
edited 2014-02-17 14:43 in Propeller 1
I want to piggback the Activity board on a replica ZX81 and use the 5V power from the ZX81. Looking at the documentation and schematics I see no way to this externally except by powering it through the mini usb connection. Are there any other alternative ways to do this without removing the 5Volt regulator?

Comments

  • NWCCTVNWCCTV Posts: 3,629
    edited 2014-02-16 20:38
    Why not use the Power port?
  • WBA ConsultingWBA Consulting Posts: 2,934
    edited 2014-02-17 14:43
    You could always back feed the 5 volts from the zx81 board into one of the 5 volt pins by the servo headers. I have done that with the VDD pin by the servo headers on the Basic Stamp BOE board.
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