已经调试成功的程序，在CVAVR中实现的。

编辑音乐乐谱 通过单片机实现音乐编辑功能-Edit music notation through the single-chip realization of the music editing features

LT_1B msp430开发板例子程序－TB4

avr单片机，4*4键盘源程序-avr microcontroller, 4* 4 keyboard source

51ct2Timer

常用元件汇总，包括：1N系列二极管、74系列、4000与4500、变容二极管参数、常用二极管、常用芯片、场效应管性能、光电器件、横流二极管、快恢复二极管、三极管等-Summary of commonly used components, including: 1N series of diodes, 74 series, 4000 and 4500, Varactor parameters, commonly used diodes, commonly used chip FET performance, optoelectronic devices, cross-flow diodes, fast recovery diodes, transistors, etc.

绘制LCD的RGB和喷墨打印机的 CMYK到CIELab的三维彩色视图 -LCD rendering of RGB and CMYK inkjet printers to the CIELAB color three-dimensional view

线性光耦合器的简单介绍。-linear optocoupler brief.

PS2扩展功能，解决单片机输入资源太少的问题，可以通过普通键盘想单片机发送数据-PS2 extensions to address the importation of too few resources Singlechip problems, they can be accessed through the regular keyboard would like to send data Singlechip

nrf9e5的天线pcb,我找了好久的,可以直接开板-nRF9E5 antenna pcb, I am looking for a long time, and can directly open board

周立功的SD卡源代码,请大家参考,希望对大家有所帮助,-Week Ligong the SD card source code, please refer to, and they hope to be helpful to everyone,