3 Fahrenheit

Coffee Temperature Management Unit (Get your coffee temperature at exactly what you want!)

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Inspiration

To cool down hot drinks to the temperature people exactly want quickly and automatically.

What it does

A fan driven by motor to cooling down the hot drinks using a BBC Micro Bit to perform temperature control.

How I built it

At first, we created an efficient paper windmill and a fancy foundation for engines and fans using LEGO. Next, we programmed about how to sensor the temperature and set the attempted temperature on BBC Micro Bit. Then, we used bread board and Arduino to create a circuit to make the engines run. In terms of the materials, for the purpose of reducing waste, we recycled bottle cap to stake the fans as well as repurposing stickers from various sponsors.

Challenges I ran into

  1. It was difficult to create a stable foundation with limited LEGOs.
  2. Arduino circuits are hard!

Accomplishments that I'm proud of

  1. Figured out complicate circuit to make things work without rich electronic engineering knowledge.
  2. Stayed awake for 24 hours and finished a good project with supportive and cooperative teammates.
  3. First Hackathon ever for more than half of us!

What I learned

  1. How to use BBC Micro Bit
  2. How to code in python and git
  3. How transistors work

What's next for 3 Fahrenheit

  1. Improve the efficiency of fans further.
  2. Improve the accuracy of temperature sensor.

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