[aprssig] Timer Circuit Needed
Kurt O. Jauss
kf6hjo at earthlink.net
Fri May 25 16:03:15 EDT 2007
There is this .
http://www.primaryparts.com/6062?partner=233&gclid=CJjDpICAqowCFSbyYAodwh_eNQ
Kurt
John wrote:
> I am in need of a schematic (or complete unit) for a timer that will
> run off +12v and pulse a relay every 15 mins. The relay should stay on
> for 10secs. I think it can be done with a dual 555, one for the 15mins
> and the other for10secs.
> Anyone got any ideas. I need this to turn on the TNC and Transmitter
> for a solar powered wx station I'm trying to build
>
> Thanks
>
> John
>
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