chuanxing-da

头部姿势估计的综述，英文论文，一共11页(head pose estimation)

本系统是基于mega16的EEPROM的读写，程序可靠！(The system is based on the mega16 the EEPROM read and write, program and reliable!)

51单片机模拟一个USB键盘的代码，c语言编写的(51 USB keyboard microcontroller code that simulates a, c languages)

SD卡2.0协议的详细资料，可用与SPI使用(The details of the SD card 2.0 protocol can be used with SPI)

使用IO口模拟I2C时序，包括主机、从机时序。(Using IO port simulation I2C timing, including the host, the machine timing.)

ECG for msp430心电数据采样及LCD显示，官方样板程序。(ECG for msp430 )

这是一个基于THEVENIN的锂电池模型，能够观察到SOC和OCV。(This is a DCDC chopper, and is isolated and can be converted to low-voltage DC high-voltage direct current and voltage controlled to achieve, can be used for battery charging and discharging.)

用的是时钟芯片pcf8583，可以正常显示时间,并带有有Proteus仿真，非常形象！，已通过测试。 (Is clock chip pcf8583, can properly display the time, and with Proteus simulation, the very image of , Has been tested.)

pt100高精度测量电路，精度误差小，速度快，arm9 c51均可实现 ，仅供学习 参考(PT100 high precision measurement circuit, precision error is small, fast, C51 ARM9 can be achieved, only for learning reference )

说明：  本系统以单片机AT89C51为主体,由芯片插座、独立按键、74HC573驱动8位数码管显示、5V直流电源控制模块等组成。根据数字集成芯片的引脚特性以及集成芯片的真值表编写检测程序。该系统能完成14脚以内常用TTL74系列数字集成芯片的功能测试。(This system is the main body of the single-chip microcomputer AT89C51, the chip socket, independent buttons, 74HC573 Driver 8 digital control, 5V DC power control module and so on. According to the characteristics of the digital chip and the chip s true value, the program is written in the chip.. The system can complete the functional test of the TTL74 series digital IC chip in 14 feet.)