On Aug 27, 2005, at 11:23 AM, Francois Robbertze wrote:

> I need to very simple and cheap circuit that will toggle a relay
> on and of on a pulse input.

http://www.edn.com/article/CA472837.html?pubdate=10/28/2004&text=switch

Do you have any spare poles on your relay?

http://www.qsl.net/yo5ofh/hobby%20circuits/ 
circuits_controlling_relays.htm

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