Arduino上传时报错avrdude: stk500_getsync() attempt 1 of 10: not in sync: resp=0x00

记得原来可以使用但是上传时失败报错avrdude: stk500_getsync() attempt 1 of 10: not in sync: resp=0x00

把串口通信引脚的线拔掉再上传就好了