yankresistor.jpg

Remove this resistor so the module speaker output is just the music channel, not both mixed. The DAC L/R outputs are unaffected

JPEG Image - 70.93 kB - 06/12/2016 at 00:48

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datastream.jpg

Data close up (FSK, 0=2khz, 1=4khz) - it gets slightly mangled by mp3 encoding so you need to be a bit conservative with the data rate

JPEG Image - 108.31 kB - 06/12/2016 at 00:47

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largedata.jpg

Audio+datastream

JPEG Image - 73.00 kB - 06/12/2016 at 00:47

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