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Electronics tech Anything to do with the electronics in a model. Lights, Radio, ESC, Servo, Basic electrical.


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  #1  
Old 06-21-2014, 11:18 AM
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Default Control MP3 player via RC

Hi...

While my Black Devil is nearly finalized, I want him to play also some music while it's driving. So I started to search for a solution to control a simple MP3 player via RC.

First I started to search for a small and cheap MP3 player.



Is was disassambled and 2 cables soldered per function.





After that I soldered a small board with an ATMega328 processor. It controls the functions via a NPN transistor.

The programm listens on 2 channels.
Channel 1 : Volume + / -
Channel 2 : Play/Pause, Next and Prev song





And it's working as expected. Here's a short video to show the functionality. I beg your pardon that it's in german, but I hope it shows that functionality without the need of my bla bla...

Video showing the control of an MP3 player via RC
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Old 06-21-2014, 05:13 PM
avel avel is offline
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Default Re: Control MP3 player via RC

Very cool!
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Old 06-21-2014, 11:02 PM
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Default Re: Control MP3 player via RC

awesome!
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Old 07-03-2014, 03:28 PM
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Default Re: Control MP3 player via RC

Hi...

Some news, the construction wasn't very effective, the contacts often didn't close when I played with the function channels. In addition, the cabeling sometimes broke and I had zu renew the soldered contacts.

So I decided to search for an alternative solution and I found a shield from Adafruit, the VS1053 MP3-Codec shield. It was exactly what I was searching for.



Here's a link to the product Adafruit VS1053.

In addition there's a great tutorial for the shield.

The board has changed a bit.



The control is the same, but the "Previous" function is removed, it wasn't needed.

Now that it's working I'll place it into the Black Devil.
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