基于arduino pro mini和mpu6050的迷你四轴原理图和PCB，本设计采用模块化，省去了难度较高的芯片焊接。-Based on arduino pro mini and mpu6050 small four-axis schematic and PCB, the design of modular, eliminating the need for more difficult chip welding.

自己绘制arduino相关的PCB，使用arduino UNO给 arduino nano(Atmega 328P_AU)下载bootloader-Dig their own arduino related PCB, use arduino UNO to arduino nano (Atmega 328P_AU) download bootloader