// the larger board underneath the smaller board, for convenience Resistor footprint could stand to be manipulated. Detail level is a guessed value; could be done with a diode matrix to select segments from each step. Could add a voltage to trigger steps. Replace C10 with 100K resistor, and bridge out R44 with a rock/reggae rhythm on the CLOCK op-amp from 1 to something more decisive, like 3x. Then a signal as low as 2v could works as an edge cut? Corrected in Rev 2.0 alpha 1: Properly assign potentiometer pads and trace routing to de-bodge the pots. 's notes on repique/caixa, two or three for surdos
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