单片机普通io口模拟标准串口，可以实现各种波特率传输。

单片机I2C协议代码， 单片机程序 c语言编写 -Single-chip I2C protocol code, single-chip microcomputer program written in c

主要是LED屏的驱动,户外屏显示,程序中显示四个不停变化的图案.-LED screens are the main driver, outdoor screen display, the program shows the changing pattern of four non-stop.

12864的液晶屏驱动程序使用51单片机编写-12864

基于单片机c8051F020开发环境下的计数器程序代码-C8051F020 development environment based on the single-chip counters under the code

汇编语言，用定时器中断，实现输出占空1比1的方波波形-Assembly language, using the timer interrupt, the realization of output accounted for one than the one empty square waveform

12864中文字库测试程序 ST7920-12864 Chinese font ST7920 test procedure

AVR单片机，mega16开发板，一些小程序，裸捐了。-AVR single-chip, mega16 development board, a number of small procedures, nude donated.

905无线模块关于主机通信的程序。

这是凌阳16位单片机接LCD240*128液晶显示模块的源代码，而且带有语音播放的功能。-This is the Sunplus 16-bit microcontroller then LCD240* 128 LCD module s source code, but with the voice playback functions.

Ps2键盘驱动程序，用C51单片机驱动PS2键盘接口