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June 7, 2012
about 8 years ago
I just spent a couple of evenings getting my SOMO to work in key mode, and finally figured out that the recommended 470uF cap across the supply needs to be right next to the power pins on the module - I had it across the breadboard bus, no dice.
Anyway, it did work with the uSD card you supplied. It does seem very picky about supply voltage, and I saw slightly different behaviour (when it wasn't working) with the different SD cards I tried - possibly they have different voltage requirements as well?
The SOMO/mono amp breakout combo is really good.
No public wish lists :(