使用51单

modbus485通信协议C程序，经修改已用于项目，熟悉后修改部分参数即可用于485通信相关项目。-modbus485 communication protocol C program, as amended, have been used for the project are familiar with some parameters after the change can be used for 485 telecommunications related projects.

4X4矩阵键盘+LCD1602显示,可以开发好多功能-4X4 matrix keyboard+ LCD1602, it can be a good multi-purpose development

基于51系列单片机的超声波测距壁障程序 采用4位共阴数码管显示-51 Series single-chip microcomputer-based ultrasonic ranging barrier procedure used a total of four digital tube display Yam

基于凌阳单片机的 语音自动播放音乐汇编程序-Sunplus based on single-chip voice automatically play music compilation procedures

AVR ATMEGA32可以同时四路PWM输出，同时四路频率可调，占空比可调-AVR ATMEGA32 four PWM output at the same time, while four-way adjustable frequency, adjustable duty cycle

ZLG/GUI HD61202或KS0108驱动

这是单片机MS-51双字节带符号数除法扩展子程序-This MS-51 with two-bit symbols divider expansion subroutine! !

c语言方式的拼音输入法的实现，对于想用单片机输入中文非常有用。-c language pinyin input method to achieve very good.

SD2403A时钟芯片在STC单片机下的源程序 此芯片价格便宜，性能稳定！-SD2403A clock chip in the source code under the STC in this single-chip chip prices, performance and stability!

在PC机上实现web方式控制单片机。大家有兴趣的可以共同交流这方面的东西。-In PC, the realization of single-chip web control. Interested Members can share the things in this regard.