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/ (8+tolerance/3); // generally-useful spacing amount for vertical columns of stuff working_height = height - v_margin - title_font; saw_out = [third_col, fourth_row, 0]; //Fifth row interface placement f_tune = [second_col, fourth_row, 0]; triangle_out = [third_col, third_row, 0]; fm_in = [input_column - h_margin/2, row_1, 0]; saw_out = [h_margin + working_width/4, row_1, 0]; triangle_out = [output_column, row_2, 0]; cv_2b_atten = [right_col, row_3, 0]; cv_in_2b = [right_col, row_1, 0]; audio_out_2 = [right_col, row_2, 0]; fm_in = [input_column + h_margin/2, row_1, 0]; fm_in = [input_column - h_margin/2, bottom_row, 0]; cv_in = [input_column, row_2, 0]; pwm_in = [first_col, first_row, 0]; c_tune = [second_col, third_row, 0]; fm_lvl = [h_margin+working_width/8, row_2, 0]; triangle_out = [third_col, third_row, 0]; fm_lvl = [second_col, fourth_row, 0]; triangle_out = [third_col, fifth_row, 0]; //right_rib_x = width_mm - col_right + tolerance*4 + 2; // surface("FireballSpellSmall.png", center=true, invert=false); projection(cut = true width_mm = hp_mm(h); difference() { difference() { union() { difference(){ color([.1,.1,.1]) panel(width); //module title(string, size=9, halign="center", font="Futura Md BT:style=Medium") { text(string, size, halign=halign, font=font_for_title); //} // draw a "vertical" wall 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 the front panel 82024e96c9 updated C14 footprint, traces, groundplane Find and replace last few thin traces, fix teardrops and gnd fill Corrected: Shifted C5 so one of its this software without specific prior written permission. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS > "AS IS" AND THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHER PARTY HAS BEEN ADVISED OF.

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