Mike,

Thanks, I can remember that.

Gustaf

> -----Original Message-----
> From: pic microcontroller discussion list
> [mailto:PICLIST@MITVMA.MIT.EDU]On Behalf Of Michael Rigby-Jones
> Sent: Friday, February 27, 2004 10:00 AM
> To: PICLIST@MITVMA.MIT.EDU
> Subject: Re: [EE:] Release of magic smoke
>
>
> >-----Original Message-----
> >From: Gustaf J. Barkstrom [mailto:gustaf.b@COX.NET]
> >
> >Oops, I forgot to mention this in my post.  Yes, I used a 15v
> >zener diode "pointing towards" the common pin (pin 10) of the
> >darlington to spike-protect from back EMF.  Is that sufficient
> >and/or appropriate?
> >
> >By the way, "pointing towards" is what a mechanical guy like
> >me says because I can't remember which is anode and cathode
> >(ugh!).  I'll beat that into my brain before I'm done. :-)
> >
>
> Easy way to remember this, look at the diode symbol and you will see that
> part of it forms a K, which stands for Kathode.  Just remember
> not to spell
> it like that when you write it :)
>
> i.e.
>
> (K)athode  Anode
> ---------|<------
>
> Regards
>
> Mike
>
>
>
>
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