Abstract:

In order to solve the issues of traditional PC and other electronic equipment which monitoring the temperature and humidity is not easy and the accuracy is not precise enough. Combined with the latest Bluetooth 4. 0 technology and currently widely used Android mobile-terminal a design is presented for Temperature and Humidity monitor, data-transmission and data-display. The core of the System is the module of the Bluetooth low energy NRF51822. Use SHT20 Sensor collects the end data. Use the Android mobile terminal to read and display the datas. Compared to traditional PC-test, android has the advantages of convenient and fast.

Key words: bluetooth low energy, NRF51822 module, SHT20 sensor