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Needing only one tl074 and support components, so tiny PCB should be possible, too * See manual step (sw13) // 1 for 5v / 2.5v output mode (sw12) // 1 rotary switch to adjust CV output range, switch between 5v and 2.5v max (or whatever is configured). - Momentary-normal-off pushbutton to manually step. SPST switch per step, to set output voltages. (10) One potentiometer per step, to indicate direction? Pointer1 = 0; right_rib_x = width_mm - hole_dist_side, height - 25; // build up seven rows; middle one unused row_1 = v_margin+12; // draw a horizontal wall (across the panel on.

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