有关AVR单片机的bootloader，外国人写的，很实用，内容详细

这个是录音琴的程序,用光电感应器来检测琴键的动作.并且将他记录下来,可以回放.-This is a recording Guoqin procedures, using photoelectric sensors to detect movement keys. And his record, you can playback.

51单片机虚拟I2C协议、组合式按键、串口通信的简单综合应用，配Proteus仿真电路-51 Single-chip virtual I2C agreement, the modular keypad, serial communications, a simple integrated application, with Proteus simulation circuit

非常好用的单片机 非常好用的单片机 -Very useful very easy to use single-chip microcontroller is very easy to use microcontroller

256m flash K9F2G08U0A的datasheet资料，比较详尽。-K9F2G08U0A datasheet

一种比较好用得PWM控制芯片，希望对您有所帮助。-Was a relatively easy to use PWM control chip, want to help you.

一个用汇编编写的51单片机发声程序,内嵌一首简单歌曲"八月桂花香"。-Used to prepare a compilation of 51 single-chip voice procedures, embedded in a simple song

基于MipsCPU的UART通讯程序，在u-boot下运行。-MipsCPU based on the UART communication procedures, in the u-boot run.

0-99的计数器，带proteus仿真文件。-0-99 of the counter, with proteus simulation file.

测试过的240128LCD单片机c51显示程序-Singlechip 240128LCD tested C51 display program

图像滤波之后要进行质量评价 该文档给出了经常用到的几个评价参数及源代码