Inspiration
I realised that the current technology we have for body fat calculation is too expensive, too primitive and/or too innacurate.
What it does
Measures the volume of whatever you put into it with the eventual plan to make one big enough for a human, and possibly even for use in industry.
How I built it
Combination of an Arduino Mega, Air Compressor, Kitchen Scale and my android phone for sketch compilation.
Challenges I ran into
Soldering onto contact points the size of a ballpoint pen tip...While shaking from low blood sugar. Air compressor that I bought didn't have the right specifications that I needed. Air flow rate was far lower than I expected and I couldn't find any information on that before purchasing it.
Accomplishments that I'm proud of
Coming up with the name Eureka Plethysmograph.
What I learned
Primarily I learned the fun of being in an environment surrounding by people working on some really cool things. It was addictive.
What's next for Eureka Plethysmograph
When I can source the right hardware for my needs, I'll develop the idea to the extent I think it deserves.
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