pwm改变占空比的程序，已调试过，可以直接用KEIL使用-pwm duty cycle to change the procedures have been debug, and can be directly used by KEIL

AT24C02的应用例程，进行eeprom和I2C的应用设计-AT24C02 Application routines for I2C EEPROM and Application Design

本库函数为大容量(2M)Flash SST25VF016B的驱动函数 包括IO模拟SPI总线方式和C8051F020硬件SPI方式下的驱动 函数接口简单易用 代码规范简洁-The library functions for large-capacity (2M) Flash SST25VF016B driver function including IO simulation SPI bus mode and SPI mode C8051F020 hardware driver function interface specification concise easy-to-use code

模拟I2C总线接口，实现I2C器件的发送和接受数据-Simulation of I2C bus interface, the realization of I2C devices send and receive data

单片机C程序设计及应用实例的例子-SCM C program design and application examples

这里是51单片机的一些子程序，包括12864LCD的显示，ds18b20的显示，zlg7290的控制。-Here are some of the subroutines 51 MCU, including the 12864LCD display, ds18b20 display, zlg7290 control.

我用VC写的十进制与十六进制数的转化程序，绝对独创，可用于需要浮点运算的单片机编程数值转化。-I write with VC metric hexadecimal number and the conversion process, absolutely original and the need for the floating-point operations into numerical microcontroller programming.

关于AD590的说明，包含若干应用电路图。-Note on the AD590, contains a number of applications circuit.

EP1C3144的点灯基本程序，适合于初学者-EP1C3144 the basic procedures of the light lamps, suitable for beginners

AT89c51单片机7279驱动键盘数码管程序-7279 driver keyboard AT89C51 single-chip digital control procedures