It’s a simple enough idea, and with an Arduino and a DHT11 temperature and humidity sensor, it was pretty easy to put together. The clothes dryer used for this experiment was a self-ventilating ...

You'll need an Arduino along with a bunch of various sensors to get the project rolling, ... Keeping track of things like the temperature, humidity, and smoke level in your house is important.

The LM35 temperature sensor and red led are powered with 5V from the Arduino board. How does the circuit works? As you can see in the sketch on the first line I included the LiquidCrystal library ...

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 ...