● You can periodically record the temperature of your smartphone to an SD card.
● You can measure the ambient temperature around your smartphone
● You can check the battery status
● Easy to use for anyone, not just engineers

◆This app periodically records the temperature and the time on the SD card. At this time, this app uses the battery temperature sensor built into the smartphone.

The recorded data can be retrieved as follows.

0. Please set the interval and folder capacity before starting recording with the setting button
1. You can start recording with the start button
2. You can stop recording with the stop button
3. You can see the recoding data files in SD-card
4. Please access the folder below

　SD-card\Android\data\com.example4.LogTempSd_G\files

Note 1: The record file has a comma after the date and time, and the temperature data is written as shown below.

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

Note 2: It is recommended to minimize the brightness of the display during recording to reduce battery consumption of the phone.
Note 3: It is recommended to minimize the brightness of the display during recording to reduce battery consumption of the phone.
Note 4: It is recommended to select the display on the smartphone settings screen and set the sleep setting longer so that the smartphone does not sleep and the application stops during recording
Note 5: Please use this app within the specified temperature range of your smartphone.
Note6:　The recorded temperature is affected by battery temperature and ambient temperature.
Note7: This app does not collect personal information