Hi, On Saturday 17 April 2004 15:25, Jinx wrote: > Is this a commercial transmitter ? If so you may find the format > and timing on the web. You could use timing code to confirm > that Yeah, it is a commerical remote, in fact I want to use the one that is available for the XBox. I'm currently googling to see if I can get the relevant specs for it. > Otherwise what you suggest should work with a 3-pin detector > that has a logical output (might be inverted), as they strip the > carrier frequency out and present the PIC with just the data > > There could be several timings present. The pulse itself, a "0" > space, a "1" space, the inter-burst space, possibly others, that > will probably be multiples of a base period. The faster you have > the PIC running the better the resolution, although this may not > matter too much if the periods are distinct and relatively long ok, great. Hopefully I can find the specs for the remote and validate what sort of lengths of time I'm going to be dealing with. Thanks, Matt -- Matt N. Marsh Email: matt@mattmarsh.net Yahoo: marshmn Web: http://www.mattmarsh.net/ Jabber: mattmarsh@jabber.org MSN: matt@mattmarsh.net ICQ: 250467363 AIM: MattMarshUK -- 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