AVR-Chat

A meter or two.

Here's a better diagram as to what's going on with the reverse protection:

http://i5.tinypic.com/20hrl1i.jpg

Again, ignore the P-channel.  I just can't figure out how to have both
reverse polarity and overvoltage protection.




--- In AVR-Chat@yahoogroups.com, John Samperi <samperi@...> wrote:
>
> At 10:28 AM 20/07/2006, you wrote:
> >  but in this case I can't.  (The solenoid is connected
> >remotely)
> 
> How remote is remote? A few cm or a few metres? Remember that
> the wire going to the solenoid becomes an antenna radiating
> electrical noise if the back emf is not suppressed somehow.
> 
> 
> Regards
> 
> John Samperi
> 
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