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1  Using Arduino / Project Guidance / MP3 Shield independent volume control (beginner) on: March 01, 2013, 10:44:59 pm

I was wondering if there is an independent volume control for the Sparkfun MP3 Player Shield? I'm trying to have one input (motion sensor) initiate the left channel of track001 and another input (another motion sensor) initiate the right channel of track001.

To have the two channels synch up to sound full stereo but initiated separately would be the goal.

I have code that seems to set this up but I'm not sure if I can use it in the way I want to.

I attached the parts of the code that I think relate to the question

2  Using Arduino / Project Guidance / Re: separate stereo output l & r on: February 18, 2013, 08:35:43 pm
yes both channels are outputting the same waveform. however, each waveform is triggered by a separate motion sensor. i am making an interactive sound piece where a person walks into a medium-sized room, triggers a speaker on their left, walks further into the room, and triggers a speaker on their right. the sound coming from the speakers need to be 'synched' up so that there is a surround-sound-type experience and not an echo or something. does that make sense?
3  Using Arduino / Project Guidance / separate stereo output l & r on: February 18, 2013, 08:16:52 pm
hi so new to world of anything electronic. i want to basically trigger the l and r of a stereo audio separately and have the second waveform sync up with the first no matter the time it was triggered. each wave form would be triggered by its own motion sensor. i believe this to be a question about programing and code question. hardware (arduino uno & basic sparkfun mp3 player shield (w/ VS1053B)

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