使用AT89C51RC单片机，即 51单片机，HC-06 蓝牙模块，用户在手机端下载一个蓝牙串口助手，单片机和手机端通过蓝牙通讯；烧写好程序到单片机后，手机连接HC-06 蓝牙，然后就可以在手机显示温湿度了。(Using the AT89C51RC single chip microcomputer, i.e. 51 single-chip microcomputer, hc-06 bluetooth module, the user can download a bluetooth serial port assistant on the mobile phone, and the single-chip microcomputer and the mobile phone can communicate via bluetooth. After the program is written to a single chip, the phone connects to the hc-06 bluetooth, and then the temperature and humidity can be displayed on the phone.)