通过hc-05蓝牙和52单片机，安卓的手机上下载一个叫蓝牙串口的APP（苹果不太了解）蓝牙的波特率要设置在9600，蓝牙的命令看着代码来设置（我觉得应该能看懂的。嗯！）。(With hc-05 Bluetooth and 52 single chip, Android's mobile phone is downloading a APP called a Bluetooth serial port (Apple doesn't know much) that the baud rate of