Ultra low-cost flow-through photometer for on-line measurements of bacterial density.
by Alex Kutschera
Failed but still teaches a lot.
This LED Display Module can works with two-color LED matrix in two sizes (large and small), as well a 7 segments x 4 digits.
Everybody hates it when they want the drink a cup of coffee and the water tank is empty. Here is the solution!
This project is the natural completion of Remotino, and serves to visualize on PC the PWM and I / O values present in Arduino Nano.
Some pretty cool automated functions and easily adjustable parameters. Not bad for a small budget!
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.
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