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Photos ## Documentation: * [Schematic](Docs/precadsr.pdf) * PCB layout: [front](Docs/precadsr_layout_front.pdf), [back](Docs/precadsr_layout_back.pdf) * [BOM](Docs/precadsr_bom.md) * [Build notes](Docs/build.md) How to use 7.5mm holes, not 6mm - alpha pots - 9.8mm, +2mm rotary - 11.5mm, +3.5mm -- biggest by far, maybe 12.6mm? Alpha pots: tight, only 1/2 turn for nut 11mm - rotary, SR2511 style, with very large range of in-tune response, but comments discuss potential fixes, maybe worth it for a 1uF capacitor; expand a bit, but also size it for a single 0.5 mm² wires, basic insulation, conductor diameter 1.7mm, outer diameter 2.1mm, see http://cdn-reichelt.de/documents/datenblatt/C151/RND_205-00232_DB_EN.pdf, script-generated using https://github.com/pointhi/kicad-footprint-generator/scripts/TerminalBlock_RND THT terminal block RND 205-00232, 2 pins, pitch 5mm, size 76.5x15mm^2, drill diamater 1.3mm, pad diameter 2.5mm, see http://cdn-reichelt.de/documents/datenblatt/C151/RND_205-00056_DB_EN.pdf, script-generated with , script-generated using https://github.com/pointhi/kicad-footprint-generator/scripts/TerminalBlock_WAGO THT Terminal Block WAGO 804-316 45Degree pitch 7.5mm size 82.5x10.3mm^2 drill 1.3mm pad 2.5mm terminal block RND 205-00308 pitch 10mm size 75x8.1mm^2 drill 1.3mm pad 2.6mm terminal block Metz Connect Type011_RT05503HBWC, 3 pins, pitch 5mm, size 32.3x14mm^2, drill diamater 1.2mm, pad diameter 3mm, see , script-generated with , script-generated using https://github.com/pointhi/kicad-footprint-generator/scripts/TerminalBlock_MetzConnect THT terminal block Metz Connect Type701_RT11L02HGLU pitch 6.35mm size 12.7x12.5mm^2 drill 1.3mm pad.

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