Hello Ryan,It is very good to hear that someone is trying on this! so lets see if i can answer on your issues:1) Have you tried to connect the charging module to the battery only? Does it light up the red led on charging module? You might have a faulty one, it is very common if you buy parts from china.2) It might be that your step up it is not boosting the voltage high enough. Did you try to check with a voltmeter that the output of the step-up is more than 12V?If the battery is charged, and you give the right voltage to the amplifier, it should work pretty easy.
hello again,I just posted a new version of the 3d files, they are easier to print and to assemble. Take a look in Thingiverse.
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