This is a simple TICTACTOE game using Sync USART on PIC16F877A, a keyboard and LCD. We use both Master and Slave mode.

利用PIC与GSM模块进行通信，实现智能家居系统的设计，其中包括了PIC16F877A利用USART与GSM通信，以及PIC对DS18B20操作的时序和VB上位机通信的程序。-PIC with GSM module for communication, and the design of intelligent home systems, including the PIC16F877A using USART with GSM communication, as well as PIC the