[Project] Temperature Control of Peltier Element

The Mini Project of my team for Semester 6 was Temperature Control of a Peltier Element.

The team members who contributed to this project are:
Dhairya Gada (Me)
Kenil Gadhiya 
Gagan Agarwal

 Some of the pictures we clicked while making this project :

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I have explained this project in a series of 10 blog posts :

1. Objective and Concept

2. Interfacing Display and Potentiometer for changing the temperature

3. Reading Temperature Sensor Data

4. Choosing the Heating and Cooling Element

5. Low Pass Filter

6. Generating a High Frequency PWM on Arduino

7. Determining approximate nature of relation between the pulse width and current through peltier by the filter

8. Relay Mechanism to change polarity

9. PID Control Loop

10. Finishing Touches, Applications and Possible Improvements

Some other important links :

Click here to view PDF of the Schematic

Click here to view the report of this project that we submitted

Click here to go to the github repository of this project