OK, I'll give it a try. My only concern is that the sampling rate may be too low (what is it typically, about 40-150ish kHz?) of my sound card may be too low to capture good data from the opener. I don't know what freq. the TX is on, but I think it's in the MHz's since it has a 2" antenna in it. I'll check up on it though. BTW, wasn't there a thread a while back about using FCC ID's to find out stuff about different products? This TX has one on it... What's the website for looking 'em up? Thanks! - Robert ----- Original Message ----- From: "Anand Dhuru" To: Sent: Thursday, July 17, 2003 10:26 PM Subject: Re: [PICLIST] [OT]: Raynor garage door opener protocol > Hi Robert, > > Heres one way to confirm whether your system is fixed signal or code hopping > (as in Keeloq). > > Open the transmitter and try to identify the pin that is feeding the data to > the actual RF transmitter; feed this to the sound card in your PC, and > record the signal as a wav file. Open it into a sound editor (something like > GoldWave, free download), and zoom/stretch the signal till the individual > bits start showing up. > > Repeat the process; if you get the same signal the 2nd time, your system is > indeed a fixed code system; will work fine with the universal garage door > remotes. Alternately, since by now you would have seen what the signal is > like, you could get a PIC to bit bang the code and drive one of those cheap > RF transmitter modules (around 8.USD at Rentron). > > Regards, > > Anand Dhuru > > ----- Original Message ----- > From: "Robert Ussery" > To: > Sent: Friday, July 18, 2003 1:46 AM > Subject: Re: [OT]: Raynor garage door opener protocol > > > > ----- Original Message ----- > > From: "Jeremy Darling" > > > > > > > Have you tried putting an RF meter (freq counter) on it and then hooking > > > your scope up to the antenna and the common on the chip? > > > > What RF meter? What 'scope? :O) I'm just a po boy! > > > > > Many times this > > > will let you see the freq that is being transmitted on and what is being > > > sent. From their you just duplicate it. With that setup it can't be > > > too difficult :) > > > > Yeah, I'd love to, but I don't have the equipment. I might be able to read > > some of it into an SX, but that's pretty sketchy. > > Thanks anyway! > > > > - Robert > > > > -- > > http://www.piclist.com hint: The list server can filter out subtopics > > (like ads or off topics) for you. See http://www.piclist.com/#topics > > > > -- > http://www.piclist.com hint: The PICList is archived three different > ways. See http://www.piclist.com/#archives for details. > -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.