好的东西与大家分享，这是一个红外遥控学习程序。

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

用C51实现MCS51系列单片机外接ROM扩充--Using C51, it implements external ROM expansion for MCS51 series SCM.

智能快速充电器设计资料，包括NI-CD NI-MH和锂电池，铅蓄电池充电器的设计 -Intelligent fast charger design information, including NI-CD NI-MH and lithium batteries, lead acid battery charger design

舵机（四伏电机）的c编程，在avr单片机上使用，如atmega16等带pwm的单片机-Rudder (4 volts motor) c programming, the use of SCM avr, such as atmega16 MCU with PWM

实例01、GPIO实验－熟悉开发环境，以及程序下载和调试-Example 01, GPIO Experimental- familiar with the development environment, as well as download and debug

S3C44B0扩展16C554串口，包括原理图和源码 原来上传过源码，看到很多人下载，考虑到下载者阅读方便，所以这次增加了原理图。-16C554 serial S3C44B0 expansion, including schematics and source code uploaded the original source, to see a lot of people to download, taking into account that those who download the ease of reading, so the increase in schematics.

此程序为利用mage8 AVR 和EM4094实现读取TYPE A类型卡的C程序、读卡稳定、这个项目我们做了好久、非常不错的程序、很适合做这方面产品的朋友们参考-This procedure for the use of mage8 AVR and achieve EM4094 read TYPE A type of card C procedures, reader stability, the project we have done for a long time, very good program, it is suitable for products in this area refer to my friends

在p1.0上产生一个占空比变化的脉冲信号，它产生的脉宽调制信号用于电机的变速控制-err

用可调电阻调节电压值作为模拟温度的输入量，当温度低于30℃时，发出长嘀报警声和光报警，当温度高于60℃时，发出短嘀报警声和光报警。测量的温度范围在0－99℃。-Adjustable voltage regulator with resistance values of the input analog temperature, when the temperature is below 30 ℃, the issue of longalarm sound and light alarm, when the temperature is higher than 60 ℃, short issuedalarm sound and light alarm. Measurement of the temperature range of 0-99 ℃.

运用51单片机同时产生64K和8K方波。-The use of 51 MCU while producing 64K and 8K square-wave