AVR-Chat

You may need a stiffer power supply. Fans typ pull 100-200 ma, a stalled hobby motor
can be a lot more, easily 1-2 Amps.

Peter Gargano wrote:

> Switching transients and back EMF noise.
> 
> Claxton, Dean J wrote:
> 
>>It would give a short burst, then reset (motor would run for a little
>>bit - maybe a quarter of a second).
>>
>>Does anyone have any idea what could be causing it? As I said it works
>>fine with the fans. Output is via logic level MOSFET's.
>