[aprssig] Timer Circuit Needed

[Stephen Brown Jr]

I don't have much experience with a 555 or a PIC for that matter, but I
would seem to think a PIC would be easier to implement and possibly more
accurate.

Just a thought.....

73's
Stephen
K1LNX


On 5/24/07, John <johnk.mchugh at att.net> 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
>
> --
> John Mc Hugh, K4AG
> Coordinator for Amateur Radio
> National Hurricane Center, WX4NHC
> Home page:- http://www.wx4nhc.org
>
>
>
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