Inverters

51单片机5种流水灯花样，供新手学习参考~(51 SCM 5 light water pattern for novice learning reference to)

说明：  基于MODBUS协议的单片机通信系统，上位机+下位机(MODBUS Protocol-based communication system microcontroller)

频率相位测量的程序。实现相位差的测量与显示。(Frequency phase measurement process. Implementation phase of the measurement and display.)

说明：  描述了AD9850、AD9851、AD9854、AD9833的调试心得(Describes the AD9850, AD9851, AD9854, AD9833 debugging experience)

超声波测距，可以通过串口助手显示，当小于设定值时，显示0，当大于设定值时，显示1(Ultrasonic Ranging, through serial aides showed that when less than the set value, 0, when greater than the set value, indicating a)

说明：  基于单片机的电阻测量系统，带vb上位机控制和显示同时还有无线发射(MCU-based resistance measurement system with vb PC control and display as well as a wireless transmitter)

利用单片机（STC89C52）为核心结合机械按键、数码管以及稳压器件等电子元器件组装了一个数字时钟，可以实现精准的计时以及修改等功能；(The combination of mechanical buttons, digital tube, and electronic regulator device the microcontroller (STC89C52) as the core components assembled a digital clock, and can achieve precise timing and modify functions )

modbus 协议，从机模式.工业通讯支持(modbus 协议，从机模式。工业通讯支持)

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)

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