I have connected PIN RxD | Projects › Projects › SMS controlled robot › I have connected PIN RxD June 8, 2013 at 2:22 pm #9907 SOUBHIK KUMAR DEYParticipant I have connected PIN RxD (PD0) of Atmega 8 to TxD of SIM900 and PIN TxD (PD1) of Atmega 8 to RxD of SIM900. Pins PB and PC are OUTPUT PINS connected via switches to L293D IC.
