I've had success with 19531bps masquerading as 19200bps. 1.7% worked well for me. Has anyone had good luck with receive of IrDA SIR? What sort of transducer is needed? Jason Neudorf ----- Original Message ----- From: "Wouter van Ooijen" To: Sent: Thursday, March 13, 2003 7:47 AM Subject: Re: [PIC]: Doing modulated IR with 16F628 internal clock > > I suspect your real problem was not the 1200 baud drift, but the 38KHz > > carrier drift going outside the IR receiver passband. > > Not likely, a 5% shift will kill asynchronous communication, but the > common IR receivers that I know [ > http://www.vishay.com/docs/82030/82030.pdf ] a 5% shift will reduce the > sensitivity to 60%, hence the effective distance to 77%. > > Wouter van Ooijen > > -- ------------------------------------------- > Van Ooijen Technische Informatica: www.voti.nl > consultancy, development, PICmicro products > > -- > http://www.piclist.com hint: PICList Posts must start with ONE topic: > [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads > > > This message has been scanned for viruses and content > > -- http://www.piclist.com hint: PICList Posts must start with ONE topic: [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads