Ok this is completely rad this guy makes a piano and beat box with Arduino.  He hooks up some Coke cans and his mac showing you how to do it.  Btw the debate rages on what is better raspberry pi or arduino?  The comparison might not be fair.  On one hand raspberry pi has a lot more clock speed and flash memory. 

That being said arduino seems to work well for a lot of do it yourself projects because it is a beginner board and open source.  It also consumes very little power so can run a long time.  And both boards have a lot of tutorials.  There are also boards like banana pi and beaglebone which we may explore in another post.

Ok let’s see how he makes this piano on page two and what it sounds like

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