>-----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




=======================================================================
This e-mail is intended for the person it is addressed to only. The
information contained in it may be confidential and/or protected by
law. If you are not the intended recipient of this message, you must
not make any use of this information, or copy or show it to any
person. Please contact us immediately to tell us that you have
received this e-mail, and return the original to us. Any use,
forwarding, printing or copying of this message is strictly prohibited.
No part of this message can be considered a request for goods or
services.
=======================================================================
Any questions about Bookham's E-Mail service should be directed to
postmaster@bookham.com.

--
http://www.piclist.com hint: The list server can filter out subtopics
(like ads or off topics) for you. See http://www.piclist.com/#topics