Home Forums Sparkfun MP3 Shield Library Support Forum Sound isn't working :( Reply To: Sound isn't working :(


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I did notice the ArduinoBT’s power header is short 2 pins. the 3.3V and CPU reset. These are not needed by the MP3 Shield. So direct connection and proper power should result in the Red LED being on.

Have you measured some voltages locally to the shield using a voltmeter?