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应用于污水处理工艺的水泵驱动程序，该程序使用ucos-III操作系统，运行于STM32F407芯片中，具有LCD12864液晶显示程序，菜单程序，USART通讯，SPI通讯，485通讯等功能。(The pump driver used in the sewage treatment process is running on the STM32F407 chip with the ucos-III operation system. It has the functions of LCD12864 LCD display program, menu program, USART communication, SPI communication, 485 communication and so on)

ADI公司的ADC芯片AD2S1210的配置及采集处理程序，已经过验证，在tms320上运行ok(ADC company s AD2S1210 chip ADI configuration and acquisition process, has been verified, running on the OK TMS320)

NRF24LE1发射程序 本程序采用定时2秒发射ID一次，发射完毕进入低功耗模式(NRF24LE1 send )

全光原子自旋陀螺动态全光原子自旋陀螺动态全光原子自旋陀螺动态(Dynamics of an all-optical atomic spin gyroscope)

基于stm32的Can总线双机通讯上位机源码，有命令模式及数据通信模式，数据通过串口打印到PC端串口调试助手(The Can-bus based stm32-machine communication PC source, there is command mode and data communication mode, data is printed to the PC via the serial port debugging assistant)

采样法生成三相SPWM波的开环调速控制程序载波频率为20KHz，或载波周期为50μs。DSP晶振10MHz，内部4倍频，时钟频率为40MHz，计数周期为25ns。假设调制波频率由外部输入（1～50Hz），并转换成合适的格式(Sampling method to generate three-phase SPWM wave open-loop speed control procedures for the carrier frequency 20KHz, or carrier period is 50μs. DSP crystal 10MHz, internal 4 multiplier, the clock frequency of 40MHz, counting cycle 25ns. Assuming wave frequency modulation by external input (1 ~ 50Hz), and converted into a suitable format)

基于r7f0c809单片机的便携式电源，可以给手机等消费电子产品充电，具有过电流、过电压、过温保护功能。(The portable power supply based on r7f0c809 MCU can charge mobile phones and other consumer electronic products, and has the functions of over-current, over-voltage and over-temperature protection.)

继电器的测试实验，初学者的好帮手呀，看看(Relay switch control experiments)

IO口模拟IIC(含主从代码） 利用单片机IO口模拟IIC实现通讯，可应用一起仪表通讯。(The analog IO IIC (with the main microcontroller IO port analog IIC communication from the code) Can be applied together with the instrument of communication.)

此源码为c#编写的pc上位机程序，通过串口实现对3路步进电机的控制，可选择电机使能，正反转，转动角度，细分数等(This source code is written in c# program pc PC through the serial interface on the 3-way stepping motor control, motor option is enabled, rotating, rotation angle, and number of segments)