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rs485 主站-从站测试程序 亲测可用 附带器件手册(rs485 master- slave test procedure pro-test devices are available with a manual)

说明：  超声波测量电路设计利用超声波来实现距离、速度、流量、浓度等的检测 ,具有其他检测方法无法比拟的显 优点。(Using ultrasonic ultrasonic measuring circuit to achieve distance, speed, flow, concentration of detection, other detection methods have significant advantages unmatched.)

使用AT89C52单片机开发，功能是控制直流电机运行，可调速。(Developed with AT89C52 single chip computer, the function is to control the operation of DC motor and speed regulation.)

32位单片机HR8P506上运行FreeRTOS，HR8P506是一款Cortex-m0内核的国产单片机，支持2.5-5.5V的宽电压，36KB Flash和8KB SRAM能够满足绝大多数的应用开发。(32-bit MCU HR8P506 runs FreeRTOS. HR8P506 is a domestic MCU with cortex-m0 kernel, which supports a wide voltage of 2.5-5.5v, 36KB Flash and 8KB SRAM which can meet most application development.)

stm32芯片--用GPIO口模拟I2C驱动MPU6050陀螺仪(Stm32 chip- using GPIO port simulation I2C driver MPU6050 gyroscope)

说明：  51单片机部分底包，包括PWM、定时器、led、ADC等近十个(51 SCM part of the bottom package, including PWM, timer, led, ADC and so on nearly ten)

PIC USB OSCILLOSCOPE PIC scope64.asm

基于51单片机的信号发生器 四种波形显示 有级调频(Based on 51 single-chip signal generator)

角位移传感器数据处理算法Angular displacement sensor data processing algorithms(Angular displacement sensor data processing algorithms)

说明：  OBD系统开发时OBD故障码解析，含大部分整车生产企业自定义的代码以及通用代码(OBD fault code parsing during the development of OBD system, including custom codes and general codes of most vehicle manufacturers)