have you did the loopback | Microcontroller › AVR › Sending data serially to pc › have you did the loopback July 11, 2012 at 8:32 pm #8246 AJISH ALFREDParticipant have you did the loopback test with your serial port of pc? connect a db9 connector, short pin 2 and 3, type something and the same should be received in hyperterminal
