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Hey question is that it is possible to play MP3 file in arduino without changing it into .wav file if possible ,then your suggestions are welcome Thanks

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    Yes, with an MP3 shield. Commented Nov 22, 2019 at 12:04
  • The UNO doesn't have the processing power to decode MP3. Commented Nov 22, 2019 at 15:38
  • Ok i will try for this ,thanks for your response :) Commented Nov 23, 2019 at 11:17

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This little device is really good and easy to set up.
https://www.dfrobot.com/product-1121.html

You can use a pin and set it to ground with a resistor between to change songs if you don't need something fancy.

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