Crack-propagation

ns2_zigbee ========== Performance evaluation of Zigbee based on NS2 This repositories includes the codes of my undergraduate thesis. 1. zigbee.scn: network topology in 3D 2. zigbee.tcl: network script written in tcl 3. thr_drop_delay.awk: eualuation script written in awk 4. data: results of delay, throughput, jitter, and packet loss rate 5. out: figures of results 6. demo: demos of nam 7. thesis How to 1. make sure zigbee.scn and zibee.tcl are in the same folder 2. cd to the folder by terminal 3. run ns zigbee.tcl 4. run awk -f thr_drop_delay.awk zigbee.tr 5. run gnuplot xxx.dat

使用STM32驱动ADS1118，电压采样信息打印到串口上(STM32F103--->ADS1118)

超声波流量计，在proteus上仿真的模拟程序，用tdc-gp2进行的时差法测量(Ultrasonic flowmeter, the proteus simulation simulation program, transit-time measurement conducted tdc-gp2)

电子时钟程序，简洁明了，原创请勿抄袭 适用于stc15单片机(Electronic clock program)

说明：  2015年电赛国测题，频率测量。基于stm32的频率测量。优点：精密度高，代码简单(In 2015, the National Test of Electricity Competition, Frequency Measurement. Frequency measurement based on stm32. Advantages: High precision, simple code)

STM32F405 can通信实验 初始化配置 接、发及中断程序(STM32F405 can communication experiment Initial configuration Configuration, transmission and interrupt procedures)

电机驱动和FOC算法分析，用st单片机和PSIN32F0实现。(The analysis of motor drive and FOC arithmetic is realized by ST MCU and PSIN32F0.)

说明：  实现数码管，矩阵键盘结合的计算器功能，基于51单片机的代码适合初学者参考(Realize the calculator function of the combination of digital tube and matrix keyboard)

通过IAR编程实现传感器节点对于振动电流信号的采集(Vibration sensor nodes to achieve a current programming signal acquisition by IAR)

利用DAC0832来产生锯齿波的Proteus图(The use of DAC0832 to generate the sawtooth wave C language )