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mwminip@mweb.co.za
New Member

South Africa
3 Posts
Posted - Aug 26 2009 :  09:29:34 AM  Show Profile  Reply with Quote
I maee an electic fence, using a 12v motor car coil an a doorbell, but the doorbell does not last. I now need an electonic circuit to use instead of the doorbell. Can anybody help please.
Johan


(Edit...Move to Power Supply)
ZWBJ

Aaron Cake
Administrator

Canada
6718 Posts
Posted - Aug 29 2009 :  10:20:48 AM  Show Profile  Visit Aaron Cake's Homepage  Send Aaron Cake an ICQ Message  Send Aaron Cake a Yahoo! Message  Reply with Quote
Just run the coil using an oscillator and a drive transistor, a bit like this:
http://www.geocities.com/capecanaveral/lab/5322/coildrv.htm
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mwminip@mweb.co.za
New Member

South Africa
3 Posts
Posted - Dec 07 2009 :  08:51:02 AM  Show Profile  Reply with Quote
Seems like the geocities website has closed. Any other place I can find the circuit please ?
ZWBJ
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Aaron Cake
Administrator

Canada
6718 Posts
Posted - Dec 13 2009 :  10:54:33 AM  Show Profile  Visit Aaron Cake's Homepage  Send Aaron Cake an ICQ Message  Send Aaron Cake a Yahoo! Message  Reply with Quote
A quick Google search for "ignition coil electric fence" brings up a lot of hits:
http://www3.telus.net/chemelec/Projects/Car-Coil/Car-Coil.htm
http://www.southgatearc.org/techtips/electricfence.htm
http://www.motherearthnews.com/Do-It-Yourself/1982-07-01/Make-An-Electric-Fence-Charger.aspx
http://www.elektor-electronics.co.uk/magazines/2006/may/electric-fence-energiser.58236.lynkx
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