avr SCM open square procedures! !

串口扩展LED时钟子程序，不含时间设定，可直接嵌入串口LED显示系统中-Serial LED clock subroutine expansion, excluding the time settings, can be directly embedded in the serial LED display system

CodeVision AVR C语言库函数（中文版）.pdf-CodeVision AVR C language library functions (Chinese version). Pdf

也与温度计，里面有详细电路图，照片，功能，结合电子闹钟，使用，简单，易学习-Also with the thermometer, which has detailed circuit diagrams, photos, features, combined with electronic alarm clock, use, simple and easy to study

freescale hc12_C32 例程-Freescale hc12_C32 routines

C51与HT9170和HT9200接口程序(双音多频)-C51 with HT9170 and HT9200 interface program (DTMF)

实时时钟芯片C51程序，可以精确的驱动芯片进行实时时钟显示-real-time clock chip C51 procedures, the driver can accurately in real-time clock chip show

HX8238 LCD Driver Spec.

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

usb-isp,直接用usb对avr单片机编程,简单易用-usb-isp, the direct use of usb for avr Microcontroller Programmer, easy-to-use

调试成功的1602驱动程序，程序比较简单易懂！-The success of the 1602 debugger driver, the program is relatively simple to understand!