AVR-Chat

Bryan Martin wrote:

> Well thats a yes and no.  I currently have a 12v wall wart going into a 
> NX1000 dev board.  From there I take 12v off the nx1000 and go to the stk500 
> dev board.  I also take 5V off the nx1000 and go to the VCC and ground plane 
> of the breadboard that holds the RF modules.  I think I will try to clean 
> this up first in hopes that is the pblm.  I will try to drop the NX1000 dev 
> board all the way out of the picture first and hook the wall wart direct to 
> the SDK500 even though that will still be pushing 5.8v when taking the pins 
> high.  That would be controlled by the STK500 I think.
> 
> Bryan
> 

FIRST off, do you have a good connection STRAIGHT from the STK500 0V to the RF 
modules 0V as if you do not, or it is routed through other boards, this could 
induce the voltage rise you are seeing and cause a lot of problems (DC is only 
one, the AC ie noise etc. IS A LOT MORE)

If you do not have a good 0V connection between the two, try it, it will 
probably solve a few problems.

-- 
Regards,

Kat.
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