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BackCounter expects CLOCK to pass 1/2 of V+ (i.e. 6v) but many external clock sources cycle between 0v and 5v or even much less. This can be replaced by an op amp in schmidt inverter mode, maybe both 7808 and hex inverter trigger are unnecessary? Alternative: Midi -> CV Alternative: CV from something else use a 3.5mm drill bit to get 1:1 between schematic and PCB, .../Unseen Servant/Unseen Servant.kicad_sch Normal file Unescape 3D Printing/Pot_Knobs/knurledFinishLib_v2.scad Executable file View File Datasheets/2N3903-Motorola.pdf Executable file View File MK_VCO_RADIO_SHAEK_try1.diy Executable file View File Hardware/PCB/precadsr/sym-lib-table Normal file View File 3D Printing/Cases/Eurorack 2-Row/2row_frame.stl Executable file View File Datasheets/tl074.pdf Normal file Unescape // testing futura vs quentincaps in F6 rendering label_font_size = 5; height_of_cylinder_indentations = 12; // [1:1:84] left_panel_width = 12*3 + tolerance*2; //three knobs plus space between them right_panel_width = width_mm - hole_dist_side, height - v_margin; working_increment = working_height / (8+tolerance/5); // generally-useful spacing amount for vertical columns of stuff left_panel_width = 12.5*3 + tolerance*4 + 8; //three knobs plus space between them right_panel_width = width_mm - col_right + tolerance*4; // column from edge plus hole radius // mounting holes 47.1mm, see https://disti-assets.s3.amazonaws.com/tonar/files/datasheets/16730.pdf 9-pin D-Sub connector horizontal angled 90deg THT male pitch 2.77x2.54mm pin-PCB-offset 9.4mm 37-pin D-Sub connector, horizontal/angled (90 deg), THT-mount, male, pitch 2.77x2.84mm, pin-PCB-offset 9.9mm, distance of mounting holes 33.3mm, see https://disti-assets.s3.amazonaws.com/tonar/files/datasheets/16730.pdf 9-pin D-Sub connector horizontal angled 90deg THT female pitch 2.77x2.84mm pin-PCB-offset 14.56mm mounting-holes-distance 33.3mm mounting-hole-offset 33.3mm 15-pin D-Sub connector, solder-cups edge-mounted, female, x-pin-pitch 2.77mm, distance of mounting holes 33.3mm, distance of mounting holes 25mm, distance of mounting holes 63.5mm, see https://disti-assets.s3.amazonaws.com/tonar/files/datasheets/16730.pdf 9-pin D-Sub connector, horizontal/angled (90 deg), THT-mount, female, pitch 2.41x1.98mm, pin-PCB-offset 3.0300000000000002mm, distance of mounting holes to PCB edge 7.4799999999999995mm, see https://disti-assets.s3.amazonaws.com/tonar/files/datasheets/16730.pdf 25-pin D-Sub connector, horizontal/angled (90.
- Piher PT-15-H05, http://www.piher-nacesa.com/pdf/14-PT15v03.pdf Potentiometer vertical Bourns.
- 1.03118 -7.21514 7.67586 facet.
- $fn=360); vertex 0 2.9 19 vertex.
- Normal -9.469393e-01 2.035554e-03 -3.214060e-01.
- -3.532552e+000 2.480400e+001 facet normal.