支持SD卡的MP3电路图,powerpcb4.0格式.使用AVR单片机

这是用asm编写的IOA口使用程序，是用16位的凌阳单片机汇编-This is asm2 prepared by the IOA I use the program is the use of Sunplus 16 MCU Series

c语言的按键处理，菜单实现的程序例子！ -c language button handle, menu examples realize the procedure!

C51源程序，实现IAP功能，可实现嵌入式系统的自主学习功能

基于mc68hc908qy4芯片实现超声波排障,当检测到障碍物时点亮发光二极管.-Mc68hc908qy4 chip based on the ultrasonic emission barrier, when the detected obstacle when the light emitting diodes.

51汇编用户手册中文版，讲解51汇编指令和应用。-compilation of 51 Chinese version of a user manual, on 51 compilation instructions and applications.

Chinese Font display in embedded system

ds1631温度传感器程序，I2C总线的，好用-ds1631 temperature sensor procedures, I2C bus, easy to use

利用程序中的函数，来读取时钟芯片的秒、分、时、日、月、年、世纪，亦能对其设置时间日期。-procedures for the use of function, to read clock chip seconds, hours, days, months, years, centuries, but also the date of its set-up time.

24c16读写程序，I2C总线的，我试过，可以使用-24c16 literacy procedures, I2C bus, I tried to use

多个C51的源代码,在KEIL C51上已调试通过-number C51 source code, the C51 has KEIL through debugging