ATtiny13 Software UART library.
PIC MPLABX USART Library
Embedded PHP: UART Extension
📡 UART in PIC16F877A – Easy Serial Communication This project enables UART (USART) in PIC16F877A using Embedded C. It handles serial TX/RX via RC6/RC7 pins, ideal for debugging or talking to modules like GSM/Bluetooth. Built with MPLAB X and XC8, tested at 9600 baud with a 20MHz crystal.
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