I want to use both UARTS in my project. Why won't this work to send data throught the UART1? UBRR1L = 47; UCSR1B = BV(RXCIE) | BV(RXEN) | BV(TXEN); UDR1=52; while(!(UCSR1A & (1<<TXC1))); } Thank you for all help! Regards Sigurd Kleppan