Make: Online : Imperial March on an Arduino

Imperial March on an Arduino

This is a really simple project that would fun for anyone getting started with an Arduino. Check out the 'more info' section for a link to the source code. There aren't any schematics, but the code is well documented.

More about the Imperial March on an Arduino

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Make: Arduino

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Posted by: Alex V on January 14, 2009 at 1:25 AM

Diode

The video looks like the LED is in the path to the speaker. Won't this have the effect of cutting out half the sound wave?

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Posted by: Marc de Vinck on January 14, 2009 at 6:05 AM

@Alex,

It does, but it isn't. It's a shame there aren't any schematics, but ask anyone familiar with electronics and they can help. Here is the code:

int ledPin = 13;
//led for visualization (use 13 for built-in led)

int speakerPin = 11;
//speaker connected to one of the PWM ports

Each component has it's own pin.
Send me an email if you need any additional help getting started. I would be happy to help.

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