Hi, am I right to assume the PIC16F628 does not need a MAX232 chip, since it is a hardware usart (RB1(RX)/RB2(TX) ? I checked the data sheet and searched the archives, but no luck. Thanks in advance, Kevin -- http://www.piclist.com hint: PICList Posts must start with ONE topic: [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads