Arduino Uno Getting started!

I did some projects with my Arduino. First I started with just testing a diod and a switch just to get a hand of it, because it has been a while.

On the image displaying my Arduino I did the project Light Theremin from the book Arduino Projects Book. The black round object on the breadboard is a piezo which can make noises (quite annoying really). It is connected to a photoresistor, which senses light. 

So what this project does, is that the piezo will make sounds depending on how light the photoresistor takes in. 




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