Documentation

新手适用黑线寻迹代码，适用于arduino开发板(Novice is suitable for black line tracing code and Arduino development board)

51单片机AT89C52串行通信.上位机通过串口向单片机发数据，单片机接收后发回给上位机。(51 AT89C52 single-chip serial communication. PC send data through the serial port to the microcontroller, the microcontroller has sent back to the host computer.)

CR95HF Demo board stm32f103工程(CR95HF Demo board stm32f103 Engineering)

this is an example of working LED_GPIO in stm32f407 discovery dev board

说明：  称重模块，oled显示重量，RTC时钟显示时间，矩阵按键修改时间(Weighing module, OLED display)

电子钟：温度测量，时间，星期功能，带时钟芯片(Electronic clock: temperature measurement, time, week functionality, with a clock chip)

AD5420操作代码，可以方便的对5420进行读写，5420为SPI通讯，且一般用于工业控制。(AD5420 operation code, you can easily read and write to the 5420, 5420 as SPI communications, and is generally used for industrial control.)

stm32f407 SPI+DMA通信，测试稳定(Stm32f407 SPI+DMA communication)

LPC900系列单片机各个模块功能的经典图文解析(LPC900 Series modules feature the classic graphic analysis)

电子时钟的小程序，基于89c51单片机，可以实现定时、计时、修改时间等功能。(Electronic clock applet, based on 89c51 microcontroller, can achieve timing, timing, modification time and other functions.)