The following are some questions related to this project along with some suggested code challenges. The idea is to provoke thought, test your understanding, and get you coding!

While the sketch provided works, there is room for improvement and additional features. Have fun playing with the provided code to see what you can do with it.


  • Which is colder, the refrigerator or the freezer?
  • How cold is it outside?

Code Challenges

  • Change the Cold Temperature Display into a Warm Temperature Display.
  • Add an audio alarm to the Cold Temperature Display that sounds when the temperature goes below freezing.

This guide was first published on Nov 01, 2016. It was last updated on Nov 01, 2016.

This page (Questions and Code Challenges) was last updated on Nov 01, 2016.

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