直流电机PWM调速的单片机控制

AT98S52单片机头文件，可直接对IO口进行位操作，简单方便-AT98S52 Singlechip header files can be directly carried out the mouth of the IO-bit operation, simple and convenient

蜂鸣器实验beepmusic(arm7平台)-buzzer experimental beepmusic (ARM7 platform 11

power ctrl this a power contrl program. you can control you plug in device by com port or ir remote control.

这是用ds18b20测试及显示温度的程序，主芯片是DS18B20-This is used to test and display the temperature ds18b20 procedures, the main chip is DS18B20

P89LPC900系列单片机 P89LPC922单片机的ISP下载功能的相关方法-P89LPC900 MCU P89LPC922 MCU ISP download the relevant methods

1820测温功能 1820测温 输出数字信号 由IO口输入单片机-1820 temperature measurement function 1820 output digital signal input from the IO port Singlechip

亲测：基于51单片机的八路抢答器，与其他同类源码比，功能强大，有查询，设置，抢答，答题等所有实用功能。-Pro-test: Based on 51 single-chip eight-way of the Answer, and with other source than the powerful, a query, settings, Answer, answer all practical function.

这是一本电子书。你可以学习C语言并参考这本电子书。

《AVR单片机嵌入式系统原理与应用实践》，AVR单片机学习的一本不错的教材，里面有许多帮助学习的例子- AVR Microcontroller Theory and Application of Embedded Systems , AVR MCU s a good learning materials, there are many examples to help learning

UPD6122-002红外线接收8051汇编程序.-UPD6122-002 infrared receiver 8051 assembler.