笔者的《用M8L制作的89S51单片机 USB下载线》在无线电2007年第9期已刊登过，现将制作的源码上传，供大家学习！...

单片机的程序，欢迎探讨-Microcomputer Program, welcomed the study

串口双工通讯，单片机上用LCD显示主机发送的数据，同时可以通过单片机的按键向主机发送多种数据-Duplex serial communication, single-chip LCD display with a host to send data at the same time can be key to the host MCU to send multiple data

C51单片机设计程序设计代码，自动往返汽车.asm代码-Design of controlling system of car using asm

51单片机串口通讯程序-51 monolithic integrated circuit string mouth communication procedure

PIC12C5XX单片机应用举例，汇编语言编写-PIC12C5XX SCM application, for example, the compilation of language

Arduino的步进电机控制，可以控制一个步进电机的方向，速度，内带stepper函数，可以直接调用-Arduino

一个基于STC89C52的单片机程序，可以通过按键来不停发送100ms（时间可调）的脉冲，通过定时器控制-STC89C52 microcontroller-based procedures, can be sent through the button to stop 100ms (time adjustable) pulse, through the timer control

S3C2440 arm9芯片上RTC的测试程序，可以测试RTC是否正确运行，以及能对RTC进行时间设置。-RTC chip S3C2440 arm9 test procedures to test whether the RTC correctly, and be able to set the RTC time.

LED灯光变化控制，可以控制多个LED灯光的变化，实用可靠-LED lights change control, can control multiple LED lighting changes, practical and reliable

温度的多机通讯，18b20的高级应用。实现了读写两个传感器-Temperature multi-machine communication, 18b20 advanced applications. Two sensors to achieve the reading and writing