スマホの温度計

It is an application that uses the temperature sensor built into the smartphone to periodically record the temperature and the time on the SD card.

The recorded data can be retrieved as follows.　
0. Set the log interval and log folder capacity in the settings in the downloaded app
1. Start logging with the log start button
2. Stop logging with the stop button
3. The log files in the SD-card are in the folder below

　　SD card\Android\data\com.example2.LogTempSdCard\files

Four. When extracting data on a PC, depending on the model, restart the smartphone before extracting.
Five. It is recommended to minimize display brightness while logging to reduce battery consumption
6. In the created file, there is a comma after the date and time as text data, and the temperature data is written as shown below.

2023/02/11 17:05:06, 36.0

Note 1: Please use this app within the specified temperature range of your smartphone.
Note 2: The displayed temperature is affected by battery temperature and ambient temperature.