[NJARC] A slightly off-topic request

[Al Klase]

Dave,

Sounds like a job for X-10 remote control modules.  I think these are 
still available, and would be a plug-and-play solution.  Call me to 
discuss if you want more information.

Al

Dave Sica wrote:
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> _______________________________________________
> I am putting together a remote control circuit for use at our church to
> switch the air conditioner thermostat on and off. I salvaged circuitry
> from a defunct DVD player which will provide me with +5 and -5 volts DC
> pulses as required. Now I need to make this control a relay that will
> latch on with the +5 volt pulse, then latch off when hit with the -5 volt
> pulse. 
>
> Then it hit me: I could probably design a circuit to do that using vacuum
> tubes, but that doesn't really seem like the right solution here ;-)
>
> So I figured I'd toss this out to the *real* engineers out there. My
> grasp of solid state is kinda weak, so although I could probably muddle
> through this in time, I figure something like this must be the proverbial
> piece of cake for a lot of our members. The circuit won't need to switch
> any appreciable voltage or power, but I do want to use a physical relay
> rather than a solid state switch of any sort.
>
> I'll appreciate any suggestions!  I'd also like to scrounge up the
> necessary parts if anyone's got the appropriate stuff lying around. 
>
> Thanks,
> --Dave Sica
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>   

-- 
Al Klase - N3FRQ
Flemington, NJ
http://www.skywaves.ar88.net/