HC05是一款高性能主从一体蓝牙串口模块，可以同各种带蓝牙功能的电脑、蓝牙主机、手机等智能
终端配置，默认比特率为38400，模块兼容5V或3.3V单片机系统，可以很方便的和自己的终端相连接(HC05 is a high-performance master-slave Bluetooth serial module, with a variety of Bluetooth-enabled computers, Bluetooth host, mobile phones and other intelligent terminal configuration, the default bit rate of 38400, module compatible with 5V or 3.3V microcontroller system, And its own terminal connected)