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说明：  定时器3为主输出pwm 定时器2为从对输出脉冲进行计数 主从计数(PWM timer master slave count timer 3 is the main output PWM timer 2 is counted from the output pulse.)

基于stm32f103的超声波测距，通过超声波测距，并在串口助手上显示出来(stm32f103 ultrasonic ranging)

使用C语言写的关于Atmega16单片机的数码管驱动程序(Written in C language on Atmega16 microcontroller LED driver)

stm32f103 lib header 头包含文件结构(stm32f103 lib header)

这是一个项目的节点程序，单片机使用avr,无线通信模块使用CC2420(支持Zigbee协议）,此源码包括发送端和接收端(This is a project node procedure, single-chip using avr, of wireless communication module using the CC2420 (support for Zigbee Protocol), the source, including the sending end and receiving end)

PCB设计工具，PROTEL 转 POWERPCB工具，方便的PCB转换工具，很实用！(PCB design tools, PROTEL to POWERPCB tools, PCB convenient conversion tool, very useful!)

stm32f4系列开发手册中文，方便查找用途广泛(Stm32f4 series development manual in Chinese, easy to find and widely used)

说明：  LCD显示，实现其基本功能包括显示字符数字等等，在做各类数字显示方面有重要作用，以此来替代数码管。(LCD display, the realization of its basic functions including display characters and Numbers and so on, in all kinds of digital display has an important role, to replace the digital tube.)

ads8341采集程序，成功调试通过了。(Ads8341 collection procedures, successful debugging through the.)

data base of humain reaction