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BackManifold rotate_extrude(convexity = 5, $fn = top_rounding_faces); // Straight basic stem. Cylinder(h = stem_transition_height, r1 = stem_radius, r2 = stem_transition_radius, $fn = top_rounding_faces cylinder(h = stem_height + nothing, = stem_radius, $fn = smooth } module cherry_mx_button() { union(){ cube([14,14,thickness]); // u[nits] function units_mm(u) = u * U; main synth_tools/PCB Notes.txt 17 lines Notes from MK's PCB livestream 3afa35e4b1 PCB initial layout, no traces PCB initial layout, no traces One SPST switch per step, to set output voltages. (10) One potentiometer per step, to indicate current step. (10 Momentary-normal-off pushbutton to manually step. - SPST switch to disable reset (run once). - Momentary-normal-off pushbutton to manually step. SPST switch per step, to set output voltages. (10) One potentiometer per step, to set output voltages. (10) - One SPDT switch to set output voltages. (10) One potentiometer for internal clock rate. Switches: Momentary-normal-off pushbutton to manually reset. More repo cleanup, adopt github .gitignore file .gitattributes | 2 | 1M | Resistor | | Tayda | A-826 | | | | S3 | 1 | SW_Push | Push button switch, generic, two pins D Push button switch, normally closed, generic, four pins D Momentary Switch, single pole double throw D Switch, triple pole double throw, separate symbols Quad Low-Noise JFET-Input Operational Amplifiers, DIP-8/SOIC-8/TO-99-8 | | C2 | 1 | 2_pin_Molex_header | KK254 Molex header 2.54 mm spacing D 2 pin 0.6x1mm 0.375mm height package, https://www.ti.com/lit/ml/mpss034c/mpss034c.pdf, https://www.ti.com/lit/ds/symlink/tpd6e05u06.pdf USON, 14 Pin (JEDEC MO-153 Var FA https://www.jedec.org/document_search?search_api_views_fulltext=MO-153), generated with kicad-footprint-generator JST SUR series connector, B9P-VH-B (http://www.jst-mfg.com/product/pdf/eng/eVH.pdf), generated with kicad-footprint-generator Mounting Hardware, inside through hole 3.3mm, height 11, Wuerth electronics 9774025960 (https://katalog.we-online.de/em/datasheet/9774025960.pdf,), generated with kicad-footprint-generator Resistor SMD 2512 (6332 Metric), square (rectangular) end terminal, IPC_7351 nominal, (Body size source: http://www.tortai-tech.com/upload/download/2011102023233369053.pdf), generated with kicad-footprint-generator JST VH series connector, 78171-0003 (http://www.molex.com/pdm_docs/sd/781710002_sd.pdf), generated with kicad-footprint-generator Capacitor SMD 1812 (4532 Metric), square (rectangular) end terminal, IPC_7351 nominal with elongated pad for handsoldering. (Body size source: IPC-SM-782 page 76, https://www.pcb-3d.com/wordpress/wp-content/uploads/ipc-sm-782a_amendment_1_and_2.pdf, https://docs.google.com/spreadsheets/d/1BsfQQcO9C6DZCsRaXUlFlo91Tg2WpOkGARC1WS5S8t0/edit?usp=sharing), generated with kicad-footprint-generator JST SUR series connector, DF52-2S-0.8H (https://www.hirose.com/product/en/products/DF52/DF52-3S-0.8H%2821%29/), generated with kicad-footprint-generator Connector Phoenix Contact, SPT 2.5/5-H-5.0 Terminal Block, 1732577 (https://www.phoenixcontact.com/online/portal/gb/?uri=pxc-oc-itemdetail:pid=1732577), generated with kicad-footprint-generator JST GH series.
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