interrupt3INT3

基于单片机的数字密码锁设计，六位密码同时有密码修改和LCD显示功能。(Six password combination lock design based on single chip microcomputer, at the same time have a password to modify and LCD display.)

此文件是基于89C51的数字示波器，以单片机为主控制器，来实现对信号的处理。(This file is based on 89 c51 digital oscilloscope, give priority to with single-chip microcomputer controller, to achieve the signal processing.)

说明：  AD模数转换，基础lcd1602显示屏。。。。。。(AD analog-to-digital conversion, basic LCD 1602 display screen...)

说明：  nokia5110显示屏在stm32最小系统板上的测试例程(Test routine of Nokia 5110 display on STM32 minimal system board)

笙科芯片A7139的SPI无线模块驱动程序例程。(Sheng Branch of SPI chip A7139 wireless module driver routines)

做项目的时候在ST的库上加死区补偿，整理了一些前期做的准备工作内容，上传的是压缩的PDF文件。有需要的可以看看，不是成品，不是程序，只是一点点想法。(The theory of dead time compensation in motor control. The file is a PDF. it is only the comprehension of myself about this function.)

linux串口与msp430通信程序源码(linux serial with msp 430 mcu connection)

IR decoding digital display

freebsd入门必备书籍，freebsd是最经典的UNIX发展而来的系统，经久不衰。(Getting essential books freebsd, freebsd is the most classic UNIX systems evolved, enduring.)

基于51开发平台，采用指纹十本模块，实现指纹识别，存储，对比等程序。代码注释详尽，采用外部EEPROM存储。(51 based on the development platform, using the ten fingerprint module, fingerprint identification, storage, comparison program. The code detailed notes, using external EEPROM storage.)