very good c program for software

带闹钟功能，可以调整闹钟和时间。文件含有protel 做的原理图和PCB文件-With alarm function, you can adjust the alarm and time. Does the document contain Protel schematic and PCB documents

用ATmega8单片机产生占空比可变PWM方波-ATmega8 generated by single-chip PWM variable duty cycle square wave

12864液晶驱动程序，利用函数可变参数的特性及改变临时空间的大小，可以显示任意长度的字符串。-12864 LCD driver, the use of variable parameters of the characteristics of function and change the size of temporary space, you can display a string of arbitrary length.

关于lcd12864代码，希望能给你带来帮助-About lcd12864 code, I hope you will help

用c语言实现PID算法的程序，在PID算法的使用过程中十分有用，只要自己修改一下参数，即可用于不同的控制领域。-Used to achieve PID algorithm c language procedure, use of the PID algorithm process very useful, as long as their own tinkering parameters, can be used for different control.

ATMEGA128的ADC驱动程序，对自己编写端口驱动的同志有很大的帮助！-ATMEGA128 the ADC driver, port driver of their comrades in the preparation of great help!

Keil 51下的倒计时， 秒表程序-Keil 51 under the countdown, stopwatch procedures

简易信号发生器，可产生正弦波、方波、三角波，幅度、频率都可调节。-Simple signal generator can produce sine, square, triangle wave, amplitude, frequency adjustment can be.

用C51单片机做一个温度计，同时用Proteus做的仿真 -C51 single-chip microcomputer to do with a thermometer, at the same time to do the simulation with Proteus

2.4GHz射频芯片CC2420数据手册-2.4 GHz IEEE 802.15.4/ZigBee-ready RF Transceiver