hv_s

实现两个单片机通过SPI同步串行接口通信，一个作为主机负责响应，另一个作为从机负责发送。(Achieve two synchronous serial interface microcontroller via SPI communication, one as the host responds to the other as the slave responsible for sending.)

说明：  这个是基于合泰BH67F2742的额温枪方案(This is the Ewen gun scheme based on Hetai bh67f2742)

51波特率计算，输入波特率能自动算出所需附的初值(51 baud rate calculation, enter the baud rate will automatically calculate the initial value of necessary laws)

基于AT89C52和MAX197的多路模拟量采集系统(A mutilple Analog Data Acquisition system based on AT89C52 and MAX197)

The maximum number of bytes that can be read from the stream.

基于xs128的超声波测距及oled显示程序(Display program is based on the ultrasonic ranging and oled xs128)

tl431中文资料，对于了解tl431资料可以提供方便(Chinese information tl431)

tree operation made by using c++

RFID防碰撞算法，matlab下模拟仿真，包括二进制树和ALOHA算法(RFID anti-collision algorithm, the matlab simulation, including binary tree algorithm and ALOHA)

说明：  基于stm32F103C8 与AT24C64实现开机次数记录(Record the number of startup times based on stm32f103c8 and at24c64)