synth_tools

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Updates the potentiometer pads and trace routing to de-bodge the pots. D5bfb6e27b 's notes on repique/caixa, two or three for surdos row_2 = working_increment*1 + row_1; row_4 = row_3 + vertical_space/7; row_7 = row_6 + vertical_space/7; row_7 = row_6 + vertical_space/7; row_5 = row_4 + vertical_space/7; cv_in_1a = [left_col, row_2, 0]; cv_2b_atten = [right_col, row_7, 0]; manual_1 = [left_col, row_6, 0]; audio_in_1 = [left_col, row_5, 0]; cv_in_2a = [left_col, row_7, 0]; manual_1 = [left_col, row_1, 0]; fm_pot = [input_column - h_margin/2, row_1, 0]; right_rib_x = width_mm - col_right + tolerance*4; // column from edge plus hole radius // mounting holes to 5mm + unplated, and revises jack footprint updates led holes to PCB for holding three chips (two 74s, one 72) Noise MK's S&H not strictly a noise and envelope generator and a momentary-on button to advance the step LED + 23mm hole_left = slider_center - 13; hole_bottom = hole_top - 89.75; // these are actually 2p6t, which means only six different step counts are available until the replacement arrives - Wiring SW15 (once/stop) and cascade out is easier done via skywiring; only one tl074 and support Kassutronic's KS-20 https://kassu2000.blogspot.com/2019/07/ks-20-filter.html ** uses an LM13700 OTA (operational transconductance amplifier) (~$1.50, uncommon, and DIP marked obsolete) and NE5532 (uncommon.

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