DIY mini deep freezer
Building a DIY mini deep freezer is a more advanced project than a mini fridge, but it can be done with the right components and some patience. The key difference between a mini fridge and a deep freezer is that the deep freezer needs to reach much lower temperatures, which requires better insulation and more effective cooling components. Materials Needed: Insulated Box or Cooler : Use a thick Styrofoam cooler or an insulated box with high R-value for better insulation. Multiple Peltier Modules (Thermoelectric Coolers) : You will need stronger or multiple Peltier modules to achieve lower temperatures. Heatsinks and Fans : Efficient heatsinks with fans are needed to dissipate heat from the Peltier modules. Thermal Paste : To ensure good thermal contact between the Peltier modules and heatsinks. 12V DC Power Supply : Make sure it can handle the power requirements of multiple Peltier modules. Temperature Controller : A thermostat to control the temperature inside the freezer and prevent