avr的程序，spi通信的程序，还有好多其他的

自制红外线自动门控制器电路,市场上成品的自动门控制及执行机构价格普遍偏高，文中介绍的方法适合家庭自制使用，用到的元器件都很容易找到，有兴趣者不仿一试。-Self-made infrared automatic door controller circuit, the market finished the automatic door control and enforcement agencies generally high prices, the introduction of the method is suitable for home use, the components used are very easy to find, do not have interest in like a try.

周立功的关于LPC214X硬件触发转换程序.

LT_1B msp430开发板例子程序－WDT2

Msp430-JTAG调试下载器， -Download Msp430-JTAG debugger, and

一个集合DS18B20的多路温度测量系统,加上adc0809数据采集,加上1602液晶显示的综合数据处理系统,有较高学习价值.-DS18B20 a collection of multi-channel temperature measurement system, combined with adc0809 data acquisition, together with the 1602 liquid crystal display integrated data processing systems, which have a higher learning value.

SPI接口型E2PROM内部存储器的组织及读.写控制方法.-SPI Interface-type E2PROM internal memory of the organization and read. Write control methods.

单片机与LCD12864并口控制驱动程序-SCM and LCD12864 parallel port control driver

简易频率计，一个中断，一个定时器，适合初学者学习中断、定时器，动态扫描显示。-Simple frequency meter, an interrupt, a timer, suitable for beginners to learn interrupt, timer, dynamic scan shows.

usb转串口单片机固件程序，能实现usb-232的双向转换-usb to serial single-chip firmware, usb-232 to achieve the two-way conversion

DS12877A驱动程 DS12877A驱动程-DS12877A driver DS12877A driver