heart-rate-measurement3

avr单片机通过RS485在线程序升级，编译环境IAR,上位机程序使用VC6.0编写。(AVR microcontroller through the RS485 online upgrade program, the compiler environment IAR, the host computer program written in VC6.0.)

AVR单片机 定时器的应用 初始化 以及中断程序(AVR microcontroller timer application initialization and interrupt routine)

本人做的无线三维室内定位毕业论文程序，可以有效削弱NLOS，时间同步，多径效应的影响，对研究生学习很有帮助。(I make three-dimensional wireless indoor positioning thesis program can effectively weaken the NLOS, time synchronization, multi-path effects, to master Dr. helpful.)

用picture控件实现人脸检测画面界面显示和视频流的选择(Achieved with the picture control interface display screen face detection and video streaming options)

1000以内所有的完数，比较简单，用于学习和交流(1000 all finished within few, relatively simple, for learning and communication)

此资料给出了一套电子设计工程师的试题，很具指导性、学习性和操作性，大家不妨下载来看看吧。(This information is given a set of electronic design engineers, test questions, it is instructive to learn, and operational, you may wish to download and see it.)

说明：  飞思卡尔智能车光电组核心代码，该队伍获得全国一等奖程序通过算法实现小车的循黑线，运用PID算法控制速度与舵机转弯。传感器方面运用一排红外管和一排激光管实现快速精确识别。(Freescale s intelligent optical core set of code car, the team won the national award program through the car through the algorithm black line, using PID algorithm controls the speed and steering turn. The use of a row of infrared sensors in a row of laser tubes and precision tubes for fast identification )

uCOS+uCGUI例程，主控芯片为STM32，LCD采用FSMC接口连接，实现图形界面的操作(uCOS+uCGUI routines, the main chip for the STM32, the LCD FSMC interface connector, the operation of the graphical interface)

基于stm32的定时器中断应用，可产生相位差为90度的两路周期性脉冲，可用于模拟正交编码器脉冲(Stm32 timer interrupt based applications can generate a phase difference of 90 degrees two periodic pulse, can be used for analog quadrature encoder pulse)

通过反转法循环扫描矩阵键盘，并通过数码管显示数据(By inversion method cyclic scan matrix keyboard, and through the digital display data)