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this .rar contain source code in basic for avr microcontroller for making drifter device to measure water velocity on the sea surface

webrtc中的vad代码，单独的vs2008工程，可以运行，供学习研究使用。(it is the vad code from webrtc, it is a program of vs2008, you can run it successfully, and it is very useful for study and research.)

本程序能够实现广告灯的往正反方向来回移动。(Procedures to achieve the advertising lights move back and forth to the positive and negative direction.)

0013、单片机C语言程序设计实训100例——基于8051+Proteus仿真(0013, Microcontroller C Programming Language Training 100 cases- based on 8051+ Proteus simulation)

说明：  单片机I/O口控制红外发射管，模拟格力空调遥控器的代码。典型应用：上位机发送一个通用的“开机，温度，模式……”命令，单片机自动发射出和遥控器一摸一样的波形，实现智能遥控器的功能。 (MCU I/O port control infrared emission control, analog Gree air conditioner remote control code. Typical applications: host computer to send a generic &quot boot, temperature, mode ... ...&quot command, microcontroller and the remote control automatically emit the same wave first touch, intelligent remote control functions.)

STM32单片机开发例程，这里是外部中断的开发例程(STM32 MCU development routines, here is the development of the external interrupt routine)

红外遥控发送指令，解码模块接收后，送给数码管显示(Infrared remote control sending instruction, decoding module receives, sends the digital tube display)

51单片机温度采集与显示设计 - 通过DS18B20温度传感器获取温度,并通过数码管显示,并实现了温度可手动校准(51 single-chip temperature acquisition and display design- through DS18B20 temperature sensor for temperature, and through the digital display, and achieve a temperature can be manually calibrated)

基于STM32F4的四轴航拍平台。以STM32F407为控制核心，四轴飞行器为载体，辅以云台的航拍系统。硬件上由飞控电路，电源管理，通信模块，动力系统，机架，云台伺服系统组成。算法上采用简洁稳定的四元数加互补滤波作为姿态解算算法，PID作为控制器，实现飞行，云台增稳等功能(Four axis aerial platform based on STM32F4. Taking STM32F407 as the control core, the four axis flying vehicle as the carrier, and the aerial camera system with ptz. The hardware is composed of flight control circuit, power management module, communication module, power system, frame and PTZ servo system. The algorithm uses a simple and stable four yuan number plus complementary filtering as the attitude calculation algorithm, and PID is used as a controller to achieve flight, PTZ stability, and other functions)

plc 的电梯控制程序，含有组态软件,控制算法。plc 采用三菱fx1n(plc elevator control program, containing configuration software)