The Digital Thermo-hygrometer measures a temperature, 
humidity, air pressure and illuminance, 
and allows users to check the measurement result, 
date and time on the LCD display and also through a smartphone application. 
A date and time can be set through the smartphone application.
Since the product is equipped with the communication function using BLE,
it enables monitoring of remote environment in cooperation with a smartphone, 
etc., as well as using on a table.
Various peripheral functions provided by ML62Q1622 control sensors,
LCD and BLE module.
For the BLE module, MK71251-02A which can be controlled using AT commands is used.
This reference design can also be realized in the ML62Q1700 group.