Ultra low-cost flow-through photometer for on-line measurements of bacterial density.
by Alex Kutschera
Some pretty cool automated functions and easily adjustable parameters. Not bad for a small budget!
Failed but still teaches a lot.
Conceptualised a portable eBook reader which allows the blind to feel the Braille characters with a blind stick which can detect obstacles.
If you ever wanted to build your own smart switch, please read the story below.
Everybody hates it when they want the drink a cup of coffee and the water tank is empty. Here is the solution!
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