Path: utzoo!utgpu!news-server.csri.toronto.edu!mailrus!iuvax!cica!sol.ctr.columbia.edu!zaphod.mps.ohio-state.edu!wuarchive!mit-eddie!uw-beaver!uw-entropy!dataio!pilchuck!ssc!markz From: markz@ssc.UUCP (Mark Zenier) Newsgroups: sci.electronics Subject: Re: R/C Circuit needed Message-ID: <556@ssc.UUCP> Date: 15 Mar 90 20:14:35 GMT References: <3162@teksce.SCE.TEK.COM> Distribution: usa Organization: SSC, Inc., Seattle, WA Lines: 15 In article <3162@teksce.SCE.TEK.COM>, jerryw@teksce.SCE.TEK.COM (Jerry Willard) writes: > So, I need to duplicate the turn-on sequence of that IC. Fortunately, I > have the data sheet for the IC. Unfortunately, it isn't clear what the > bit-for-bit stream is for each function. I've tried beaming the transmitter > into a photo detector and studying the waveform on a scope: pretty jumbled. > Still, it looks like deciphering the transmitter output is my best option. > Any suggestions? See the February 1987 Byte and the March-April 88 Circuit Cellar Ink. These have the writeup in a universal remote control that Steve Ciarcia and company did. All you ever wanted to know about how to read and memorize a remote control's data transmission. markz@ssc.uucp