SAutoFocus01C

以定时的方式接收下位机传送的多帧数据，接收准确，实时性很强(In time to receive the next crew of the multi-frame data transmission, receive accurate, real-time strong)

本源代码用于使用ATMEL公司的AT89C51芯片实现硬件mp3，其中包括有特色的mp3解码算法和U盘功能读写程序。(Source code for use ATMEL Corporation AT89C51 chip hardware mp3, have characteristics which include mp3 decoding algorithm and U disk function to read and write procedures.)

说明：  使用于ＡＶＲ单片机的几种Ｃ语言，大家可以参考一下，以便以后在ＡＶＲ的程序编写中提高自己(used in the AVR several C language, we can make reference to the AVR after the procedure to improve their writing)

ssd1289-3.2的基于STM32的测试程序。(ssd1289-3.2 testing procedures based on the STM32 )

对STM8L151各个功能模块测试程序,十分方便初学STM8L151各个功能有IO中断,中断唤醒,定时中断,串口接收发送,AD转换程序,SLEEP模式(STM8L151 each function module test program, very convenient beginners STM8L151 each function is IO interruption, interrupt, timer interrupt, serial port receive send, AD converter, the SLEEP mode)

用单片机产生频率，占空比可调的方波，这是C语言的原代码。(Produced with single-chip frequency, variable duty cycle square wave, which is the C language source code.)

18B20测温，上位机程序，VB6.0环境开发(18B20 temperature, host computer program, VB6.0 environment for development)

数字开关测试的源程序，非常适合新51单片机的新手入门的学习。(Digital switch test source program, very suitable for novice start learning new 51 single-chip microcomputer.)

读取ssdt函数当前地址，详见源码中、。。。。(Ssdt function reads the current address, see the source code. . . .)

通过51单片机设计一个电子时钟，精确到秒，可以通过按键调节时间(By 51 microcontroller design an electronic clock, accurate to seconds, you can adjust the time by pressing a button)