This isn’t about connecting a temperature sensor in your Arduino. ... The temp sensor 3 pin devices are simple and cheap but good for 0.5 deg C precision or nearly a full degree in human measure.

The display screen shows the maximum temperature on the top left, the minimum temperature on the top right, and the current temperature on the next line underneath. The Code /* Handheld Digital ...

I think that we can use the type TSOP1838/AH1838/VS1838 infrared receiver module here. It’s noteworthy that the temperature sensor socket’s pin assignment is in the correct order for DS18B20 only.