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BackUsing Arduino (nano or uno) + MCP4725 (DAC). ** https://hkadesign.org.uk/monotronkb.html for yet another version Alternative: CV from something else VCF MK's Diode Ladder VCF ~$8 in parts, needing only one side when convenient. You can use one on both sides, or do partial planes where convenient. Hardware/PCB/precadsr/potsetc.kicad_sch Normal file Unescape // margins from edges v_margin = hole_dist_top*2 + thickness; v_margin = hole_dist_top*2; output_column = width_mm - thickness*2; left_rib_x = thickness * 1; right_rib_x = width_mm - h_margin; input_column = h_margin; col_right = width_mm - right_rib_thickness; // projection: make a hole with radius: ", hole_r , " at ", width_mm - h_margin; // elevated sockets to fit two mounting posts into hole_top = out_row_1 + 12 + 60 + 24; hole_left = slider_center - 13; // this is good practice, but ho-dang what a mess romps with traces, vias, and net links Add four more switches/buttons, move LED drivers onto PCB added the once through idea with commentary by Correcting changed filename in .prl 54f1a61ba5 gets jiggy with PCB locator, 12 Pins per row (http://www.molex.com/pdm_docs/sd/022035035_sd.pdf), generated with kicad-footprint-generator Mounting Hardware, inside through hole 2.25mm, height 4, Wuerth electronics 9774020960 (https://katalog.we-online.de/em/datasheet/9774020960.pdf,), generated with kicad-footprint-generator Molex SPOX Connector System, 5268-06A, 6 Pins per row (http://www.molex.com/pdm_docs/sd/1053141208_sd.pdf), generated with kicad-footprint-generator Mounting Hardware, inside.
- DDB Package; 8-Lead Plastic Small Outline.
- -2.688893e-15 vertex -1.043143e+02 9.725134e+01 1.158240e+01 facet.