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Initial stab at a 10-step panel layout } Experimenting with more panel layout # Kassutronics Precision ADSR with mods Dual Operational Amplifiers, DIP-8/SOIC-8/TO-99-8 | | R6, R8 | 2 | 1N5817 | Schottky diode | | C2, C5, C6, C8, C9, C11, C12; space accordingly C3 and C4 could use fewer caps that way main MK_SEQ/Panels/10_step_seq.scad 387 lines // PWM duty // pots (all p160s): // PWM duty // pots (all p160s): font_for_label = "Futura Md BT"; thickness = 2; arrow_scale_shaft = 1.5; // How much horizontal space needed for left-hand and right-hand sub-panels right_panel_width = width_mm - thickness*2; // draw panel, subtract holes // v_wall(h=4, l=height-rail_clearance*2-thickness); // top horizontal rib // h_wall(h=4, l=right_rib_x); // bottom horizontal rib // bottom horizontal rib // middle horizontal rib h_wall(h=1.6, l=right_rib_x); // middle horizontal rib // h_wall(h=4, l=right_rib_x); // middle horizontal rib h_wall(h=1.6, l=right_rib_x); // one more vertical to mount a circuit outside the full dev board (in some cases) Arduino + DAC https://www.youtube.com/watch?v=t3kUPjdiq0o for explainer https://drive.google.com/drive/folders/156nn9rClRLJplS4M46s56-Pibi86Z-Kp for schematics and .ino file uses an LM13700 OTA (operational transconductance amplifier) (~$1.50, uncommon, and DIP marked obsolete) and NE5532 (uncommon, 80¢ based on (or derived from) the Work by the Open Source Hardware Logo Polarity Center Negative Logo Polarity Center Negative Polarity Logo, Center Negative Polarity.

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