On Sat, 30 Jun 2012 12:28:39 -0400, "Tom Del Rosso"
wrote:
Jim Thompson wrote:
On Sat, 30 Jun 2012 09:46:43 -0400, Tom Biasi
wrote:
On 6/28/2012 6:06 PM, Jim Thompson wrote:
I'm tracing a PCB and came upon a 18-pin DIL (thru-hole) marked...
31199A
R
/\/\9603CDW
^^^^--- Moto Batwing or Microchip Logo?
Anyone know what it is?
Thanks!
...Jim Thompson
What is it in?
Garage door controller beam.
If it's just the IR thing wouldn't it be simple enough to scope it and
figure it out? I mean do they do anything with the IR signal beyond simple
modulation?
This is a pair I was going to hack, but they're Genie brand, and my
opener is Liftmaster.
So I ordered two pair of the Liftmaster variety, and will hack my
circuit to match the Liftmaster signal.
What is surprising is the lack of much in the way of patents...
proprietary ASIC's ???
...Jim Thompson
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