This is unofficial application to read and display Xiaomi Mijia Bluetooth Temperature Humidity Sensor data.

To whom has problem with date starting 1970:
This is problem in your sensor. It has date set up to 1970. You need to change it. Start this app, click on sensor -> click on device settings tab -> click on write device time. This fix your issue.

To whom has problem with location permission needed:If this is a problem for you, don't use this app and use something else. Location is needed since it uses BLE (bluetooth low energy) and google enforces permission for the location in order to use BLE - https://stackoverflow.com/questions/33045581/location-needs-to-be-enabled-for-bluetooth-low-energy-scanning-on-android-6-0

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I was happy to receive my Mijia thermometers (square ones) but not happy at all with apps on google play. They were all slow as hell with terrible user experience, so I created my own app.

Features:
- Read current data
- Read history data saved on device
- Show data on chart
- Export data to the excel

There is only one supported device at the moment. I don't have other sensors and don't need them. So if need to support also other sensors you would need to donate me money so I can buy them and support them.

Also if you need to add some features just let me know

Supported devices
- Mijia LYWSD03MMC (small square) - released in 2019

Not supported devices
- Mijia LYWSD02MMC (big with clock) - released in 2019
- Mijia LYWSDCGQ (round) - released in 2017