研究是基于: SparkFun ATMEGA32U4 Breakout https://github.com/sparkfun/32U4_Breakout_Board 32U4_Breakout_Board-master\Examples\32U4_digital_input 源码为: main.c
/* Created 05/22/2012 by Jordan McConnell at Sparkfun Electronics* Th…
网址: https://github.com/sparkfun/Pro_Micro /Documentation - Data sheets (.pdf and .svg) /Firmware - Arduino example code used in the hookup guide /Hardware - All Eagle design files (.brd, .sch, .STL) /Production - Test bed files and product…
参考网页: http://ju.outofmemory.cn/entry/161315
HOW TO RESTORE THE ARDUINO UNO R3 ATMEGA16U2 FIRMWARE USING THE ARDUINO IDE http://www.instructables.com/id/How-to-Restore-the-Arduino-UNO-R3-ATmega16U2-Firmw/ Step 1: Background The avrdude c…