My first Arduino project: light sensor and LEDs bar graph

After reading several books and testing few basic things with my first Arduino kit I decided to try to realize a simple project: a bar graph made of LEDs controlled by a light sensor. Nothing fancy or very original, but I needed something to start!

This is what I used for this project:

  • 1x Arduino Uno
  • 1x large 700 tie-points breadboard
  • 5x 3mm red LEDs
  • 5x 220?

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