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do you program an Arduino 
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Post do you program an Arduino
How do you program an Arduino? I would like to Program my Arduino I would like to program my Arduino to play an MP3 and send a 9 volt electric signal through a wire at a certain time of the day. How would I code this?


Sat Nov 23, 2013 2:37 am
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Post Re: do you program an Arduino
eonedila wrote:
How do you program an Arduino? I would like to Program my Arduino I would like to program my Arduino to play an MP3 and send a 9 volt electric signal through a wire at a certain time of the day. How would I code this?

With great difficulty.

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Thu Nov 28, 2013 2:24 am
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Post Re: do you program an Arduino
And care.

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Thu Nov 28, 2013 11:11 am
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Post Re: do you program an Arduino
It's probably just as much a matter of HW than it is SW.

I recommend a HW MP3 decoder (such as this one) to play the MP3 file.

Arduinos use either 5v or 3.3v logic levels, so directly controlling a 9v line is not possible. I recommend using a transistor to switch on/off a 9v signal.

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Thu Dec 05, 2013 2:01 pm
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