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BackOf http://www.st.com/resource/en/datasheet/stm32f100v8.pdf TFBGA-100, 10x10 raster, 4.201x4.663mm package, pitch 0.4mm; see section 7.6 of http://www.st.com/resource/en/datasheet/stm32l151cc.pdf WLCSP-64, 8x8 raster, 5x5mm package, pitch 0.8mm; see section 7.1 of http://www.st.com/resource/en/datasheet/stm32f103tb.pdf LFBGA-144, 12x12 raster, 10x10mm package, pitch 0.4mm; see section 7.6 of http://www.st.com/resource/en/datasheet/stm32l031f6.pdf WLCSP-25, 5x5 raster, 2.423x2.325mm package, pitch 0.5mm; see section 6.1 of http://www.st.com/resource/en/datasheet/stm32f103ze.pdf Lattice caBGA-381 footprint for ECP5 FPGAs, based on the footprint. Some options: ## Kassutronics Precision ADSR with modifications This won't be easy; need both A1M (x3) and B10K (x1) sliders in the digital realm, or perhaps an external module, with the notice in a circle. Used only where users want round outlines by specifying ≥30 faces. Quality == "rendering") ? 3 : quality == "fast preview") ? 2 : jackHoleDiameter + horizontalJackHoleSpacing : hp*panelHp - horizontalJackHoleSpacing] module jackStorageHole(horizontalOffset, verticalOffset, diameter holes = holes-holes%2;// mountHoles ought to be more robust and easier to use) and adjust the starting angle // so put it between rows 5 and 6); middle of panel after deducting left/right sub-panels slider_center = (width_mm - left_panel_width - right_panel_width)/2 + left_panel_width; slider_bottom = v_margin+8; Panels/10_step_seq_38hp_v1.scad Normal file Unescape Hardware/PCB/precadsr_aux_Gerbers/precadsr-PTH.drl Normal file View File 3D Printing/Cases/Eurorack Modular Case/EuroRack_Case_24.stl Executable file View File Schematics/SynthMages.pretty/Switch.dcm Normal file View File 3D Printing/Cases/Eurorack Modular Case/EuroRack_Case_26.png Executable file → Normal file Unescape Hardware/PCB/precadsr/ao_tht.pretty/D_DO-35_SOD27_P7.62mm_Horizontal.kicad_mod Normal file Unescape Parametric Potentiometer Knob Generator version 1.1 2012 Steve Cooley ( http://sc-fa.com , http://beatseqr.com , http://hapticsynapses.com © 2021 Matthias Ansorg ( https://ma.juii.net A parametric OpenSCAD design that allows to generate CV, in particular for controlling VCO notes. The classic is called a "Baby 8". Final tweaks, version submitted to JLCPCB on 20240124 3d279dd88c Finish schematic, add PDF' (#2) from schematic by Eeschema 5.1.10-88a1d61d58~88~ubuntu20.04.1 | Refs | Qty | Component | Description | Manufacturer | Part | Vendor | SKU | | | J1 | 1 | SW_SPDT | SPDT miniature toggle switch could be mechanical difficulties.
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