51系列单片机读卡程序，本人亲测，适合考勤、门禁。

触摸屏设计开发详细资料以及参看设计电路板图-Touch-screen design and development of detailed information and refer to design the circuit board diagram

C51系列接触式IC卡读写实验程序，用汇编语言实现-C51 series of contactless IC card reading and writing test procedures, using assembly language to achieve

介绍了使用单片机产生音乐的方法，以及生日歌，祝你平安，八月桂花香的示例程序。-Introduce the use of single-chip generated music methods, and the birthday song, I wish you peace,八月桂花香sample procedures.

DS1990A的C51读写程序-DS1990A read and write procedures for the C51

单片机控制火车车厢门上方的LED显示程序-Single-chip microcomputer to control the top of the train compartment door LED display program

用于单片机的开发 用modbus协议 实现上位机与下位机的通讯-design for mcu,protocl is modbus,for double mcu commiunication

本人上传的是 单片机 利用定时器演奏音乐.asm 源代码 -I upload using the single-chip timers playing music. Asm source code

电源调节，输入范围5V至26V，输出可以调节。-Power conditioning, input range 5V to 26V, the output can be adjusted.

AT89S52单片机控制的ADC0809和DAC0832实验汇编程序-AT89S52 MCU ADC0809 and DAC0832 experimental assembler

mega16 实现的控制舵机的程序，在winavr20080610上编译通过，用户可自己制作makefile函数在winavr上编译使用-realize mega16 steering gear control procedures, in winavr20080610 compiled through, users can produce their own makefile function winavr compiled using