AHT10 Temperature & Humidity Sensor. ... I’m happy I got the AHT10 sensor module and Arduino Uno working together. I never expected it to work without problems! There are still some mysteries, I agree ...

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 Anavi Thermometer Development board is fully compatible with the Arduino IDE, ... It comes with a built-in DHT22/AM2302 temperature and humidity sensor and has slots for a mini OLED ...

Sensirion SHT1x/SHT7x precision humidity and temperature sensor (Octopart search, starting at $25). This isn’t a cheap sensor. Octopart lists a few places to buy it .

If you want to make your own system for doing so, Instructables user ICStation shows off how to use an Arduino to do it. The system here monitors temperature, humidity, and smoke levels and alerts ...