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基于单片机的霍尔传感器测速源码，带有蜂鸣器报警功能。(Hall speed sensor based on single-chip computer source, with a buzzer alarm function.)

基于51单片机实现定位，并通过sim900a把定位信息发送到指定手机(base on 51 chip,send location to phone)

利用单片机IO口模拟UART程序,系统用了一个定时器和一个外部中断,外部中断主要是用来检测串口起始位的到来。(IO mouth simulation UART program, microcontroller system with a timer and an external interrupt, external interrupt is mainly used to detect the arrival of the start bit serial port.)

msp430f149 adc-rs232 数据传输(msp430f149 adc-rs232 data transfering)

基于单片机MSP430的 步进电机控制 测距程序 (MSP430 microcontroller-based stepper motor control ranging program)

51单片机开发步进电机源代码及报告解释说明(a progress of 51MCU introduction)

说明：  通过SSDTHOOK技术实现文件隐藏。。(File hidden by SSDTHOOK technology. .)

AD9851驱动程序，采用串行写入方式，STM32写入频率控制字。(AD9851 driver, using serial write mode, STM32 write frequency control word.)

搭建onvif设备端代码 非常有用，可以配合ONVIF Device Manager测试(Device-side code to build onvif)

针对H264 JM中encode_a_picture函数进行讲解的PPT，希望对大家的学习有所帮助(For H264 JM in encode_a_picture function to explain the PPT, we hope to be helpful to learn)