AVR-Chat

On 8 Jan 2008 at 6:25, Roy E. Burrage wrote:

> 6.  Have you thought about your 5 volt relay contacts?  It might be a 
> good idea to put RC snubbers across these too.


	I'd use TRIACs with optocouplers here.
	Snubbers across the TRIACs, of course.
	Relay coils on the +5V line is not a good practice.

	BTW, are you sure the sparks are the culprit?

	Mark Jordan