In file included from C:\Users\ASUS\Desktop\sketch_apr25a\sketch_apr25a.ino:5:0:
E:\Arduino\hardware\arduino\avr\libraries\SoftwareSerial\src/SoftwareSerial.h:50:1: error: expected initializer before 'class'
class SoftwareSerial : public Stream
^
exit status 1
为开发板 Arduino Nano 编译时出错。
球球大神