ATtiny13 – software UART (debug logger)
Since ATtiny13 does not have hardware USART/UART in some cases we’re forced to use Software UART. In this example project a simple bit-banging UART has been presented. Compiled for both TX and RX it uses just 248 bytes of flash. Default serial configuration is 8/N/1 format at 19200 baud (lowest error rates during tests). It … Read more