232---485

说明：  能够实现一些单片机功能的代码,帮助初学者解决一些程序上的困难,特别是在参加有关物联网方面的一些比赛。(Can realize some SCM function of the code To help beginners solve some procedural difficulties)

GY-273三轴电子指南针资料，AVR单片机。(GY-273 three-axis electronic compass data, AVR microcontroller.)

通过FDC1004测量电容，电容容量为小于100PF，使用的处理器是STM32F103，采用的方式是单端测量。(Measuring capacitance by FDC1004)

用c语言写的时钟代码，每隔一秒秒钟增加一(The clock with the c language to write code to add a second every second)

实现STM32的bootloader设计，参考代码，可以实现stm32串口bootloader(The bootloader achieve STM32 design, reference code, can achieve stm32 serial bootloader)

使用单片机实验板，在Keil C开发环境中编写串口发送和接收程序。在串口发送和接收程序中编程增加校验位，使用逻辑分析仪捕捉单片机串口引脚发送和接收数据的波形，并与串口接收和发送的数据进行比较。(Using SCM experiment board, in the Keil C development environment to write serial send and receive program. In the serial sending and receiving program, the program adds the parity bit, and uses logic analyzer to capture the waveform of the data sent and received by the serial port of the microcontroller, and compares it with the data received and sent by the serial port.)

C51操作TLC5615,实现DAC输出,调试通过.(C51 operate TLC5615, to achieve DAC output, debugging through.)

说明：  4G网卡测试程序，主要用于验证quectel 4G USB Dongle.(4G network card test program)

说明：  使用单片机利用超声波测距，里面包括源代码(Using Single Chip Microcomputer to Measure Distance by Ultrasound)

基于单片机和无线收发芯片CC1100的无线抄表系统(Based on MCU and wireless transceiver chip CC1100 wireless meter reading system)