> >Of course, in the same way that you can write your own C compiler :) > Almost ;-). Writing C compilers (that work) is a full time job imho. I guess that depends on your background: I wrote the Jal compiler for fun (I admit: it is not a C compiler), but I would not think of designing an IR reciever to match the preformance of a $2 TSOP, SFH or the like. Wouter van Ooijen -- Van Ooijen Technische Informatica: http://www.voti.nl Jal compiler, Wisp programmer, WLoader bootloader, PICs kopen -- http://www.piclist.com hint: PICList Posts must start with ONE topic: [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads