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Garage Door Opener

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AW2002

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I'm looking for any ideas, suggestions you might have on creating a garage door opener transmitter that will work on all rolling code type openers. I have information already on how to make a opener for the older style, basically a pulse generator with a binary counter to try every combination. But for the rolling code ones, does anyone know how to do it? We've seen one that not only clone itself to a roller code opener [knows too what the next combination is] but also pick up the frequency the code is transmitted and re-send it at the same frequency. Any suggestion is appreciated!
 
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