用单片机产生pwm波形的程序，可以在proteus 下进行仿真

不带字库12864液晶显示，51单片机控制-12864 fonts without LCD, 51 single-chip control

一个用51MCU做电压表原代码.测式电压范围0~30V.电压精度50MV.-A voltage meter to do with 51MCU the original code. Measuring voltage range of 0 ~ 30V. Voltage accuracy 50MV.

一个关于液晶的单片机例程，和液晶的资料，很有启发意义的。做液晶时可供参考。-an LCD on the MCU routines, and LCD information, the significance is very enlightening. So when the LCD for reference.

32 k eeprom c51 源程序 调试通过-32 k EEPROM decoder source debugging through

51单片机的KEIL操作函数库，这个资料看完了，那么KEIL开发51的使用也差不多了。-51 SCM KEIL operation library, read this information, then use the KEIL development of 51 should be enough.

最好的字模工具，完全免费，单片机开发必备-The best matrix tools, completely free, microcontroller development of essential

基于C51单片机的多机串口,MODBUS协议通讯的实现方法.-C51 Microcontroller Based Multi-machine serial port, MODBUS communication protocol implementations.

８９Ｃ２０５１控制的智能密码锁,4*4键盘控制.-89C2051 control of the intelligent password lock, 4* 4 keyboard control.

此子程序将进行AD转换和AD处理，处理后的12位AD值中低八位存放在 adc_buffer_low中，高四位存放在adc_buffer_hi寄存器的低四位-This subroutine will convert to AD and AD treatment, treated in the low 12-bit AD value stored in the adc_buffer_low eight, the high four storage registers in the low 4 adc_buffer_hi

一种很有用的搜寻算法，对开发1-wire很有用-a very useful search algorithm, to the development of 1-wire useful