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*Note: The reason that an LED is being used instead of a fan is that every time the motor ran the LCD would show Gibberish*

Step 1: Materials

  • 1 x Arduino Uno
  • 1 x Breadboard
  • 1 x LCD
  • 3 x 330 ohm resistor
  • 2 x Potentiometers
  • 1 x button
  • 1 x temperature sensor
  • 1 x led
  • 25 x wires

Step 2: Create the Circuit

To create the circuit follow the schematics carefully. It is extremely easy to get confused. If nothing shows up on the LCD or only blocks are showing up mess with the potentiometer that is connected to the LCD. If gibberish is being displayed on the LCD make sure the wires are correctly connected.

Step 3: Program

Download the program to the Arduino, then the LCD should turn on and display the room temperature and the desired temperature.

Step 4: Simulate an Air Conditioner

To change the desired temperature change the potentiometer that is connected to the pin A1. The LED simulates the use of a fan and should only turn on when the desired temp is cooler than the actual temp. The button will allow the user to change between Celsius and Fahrenheit.

<p>same project, 2 different users... why?</p><p>https://www.instructables.com/id/Arduino-Thermostat-Project/</p>

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More by bunkeraustin:Arduino Air Conditioner Simulator How to Make an Arduino Battery Tester 
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