DIY Desktop Fridge

Learn how to build a budget-friendly desktop fridge project for just $15. Using a 12V DC power supply and a thermoelectric Peltier module, you can create a cooling system capable of chilling items up to 25°C. This DIY project is ideal for school exhibitions, providing a simple and cost-effective solution for your cooling needs.

Materials Required

  • Peltier module 12706 Peltier Module
  • 12V CPU Fan 12V CPU Fan (x2)
  • 12V LED Strip 12V LED Strip
  • 12V 10Amp Power Supply 12V 10Amp Power Supply
  • Heat Sink Heat Sink (x2)
  • Thermocol ice box Thermocol Ice Box
  • Thermal paste Thermal Paste

Instructions

  1. Secure the heat sink onto the backside of the thermocol ice box.
  2. Attach a 12V CPU fan inside the box using hot glue, ensuring it is firmly in place.
  3. Install a vibrant 12V LED light strip on the interior of the box to provide illumination.
  4. Create neat holes on the backside of the box for wires to pass through and seal them with hot glue.
  5. Apply thermal paste and affix the Peltier module onto the heat sink surface.
  6. Securely mount the CPU fan with its heat sink using hot glue.
  7. Refer to the circuit diagram and connect all wires, soldering if necessary.
  8. Attach one side of the lid with sticky tape to create a convenient door-like opening.
  9. Make a precise hole on the door and secure magnets in place with hot glue.
  10. Enjoy your DIY Desktop Fridge!

Circuit Schematics

Circuit Diagram