[Noisebridge-discuss] arduino+wave shield+external power supply issue

[dpc]

Michael Shiloh <michaelshiloh1010 at gmail.com> writes:

> he's been using usb power while developing, but now it's time to switch 
> to external power.
>
> as soon as he plugs in his 12VDC external power supply, the program 
> stops working as it should have.
>
> if we re-attach the usb cable to get debugging messages, we get 
> gibberish, as if the baud rate is off. the length of the messages and 
> the timing is about right though.

going out on a limb here, but the ftdi usb serial cable i use has power
too. are you sure you don't have a drive fight somewhere?

\p

---
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