> Internet and it didn't work when I tried it. Got an actual circuit for that ? Possibly the data isn't being modulated, could be inverted, maybe the IR LED isn't being driven hard enough.......... In theory there's no reason why data can't pass from one USART to another via IR -- http://www.piclist.com hint: PICList Posts must start with ONE topic: [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads