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SRAD a useful tool to denoise the original code not by myself

C51下温度传感实验 检测温度，并用数码管显示出来 。(C51 experimental testing temperature of the temperature sensor and a digital control display.)

基于MSP430G2553的频率计数计的程序编写，已经过测试，程序无误可以完整运行。(Based on the frequency count MSP430G2553 meter programming, has been tested, the program can complete run correctly.)

基于STM32的SHT30温湿度传感器，官方示例程序。(STM32 - based SHT30 temperature and humidity sensor, the official sample program.)

pcf8591原理图（adda转换模块开发）(pcf8591 Schematic (adda conversion module development))

说明：  基于89C52单片机的超声波探测跟踪小车的设计程序，注释说明完整详尽(Based on 89C52 single-chip computer, the design procedure of the ultrasonic detection and tracking car is described in detail.)

DC-DC电源模块方案范例，资料齐全，解答详细。(DC-DC module scheme example, complete information, detailed answers.)

闻亭TDS2407EA开发板的程序，采用通用定时器产生两路同频的PWM波形，重点调试的两路的相位差，也可以分别调整周期和占空比(Wintech TDS2407EA development board' s procedures, the use of two general purpose timers have the same frequency of the PWM waveform, the focus of debugging phase two, you can adjust the cycle and duty cycle, respectively,)

Small Unmanned Aircraft：Theory and Practice 源码，小型无人机学习必备书籍项目源码，包含很多示例，全部由MATLAB/Simulink编写。(The source code of Small Unmanned Aircraft：Theory and Practice,which is the best text for the beginers.)

说明：  stm32f103zet时钟实例，说明，程序注解，pdf文档，视频(Stm32f103zet clock instance, description, program notes, PDF document, video)