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Layout: [front](Docs/precadsr_layout_front.pdf), [back](Docs/precadsr_layout_back.pdf) * [BOM](Docs/precadsr_bom.md) * [Build notes](Docs/build.md ## GitHub repository * [https://github.com/holmesrichards/precadsr](https://github.com/holmesrichards/precadsr) * [https://gitlab.com/rsholmes/precadsr](https://gitlab.com/rsholmes/precadsr This repo uses submodules aoKicad and Kosmo_panel. To clone: schematic start, and some example modules Envelope/Envelope.kicad_pcb | 2 | 1N5817 | Schottky diode | | | | ----- | --- | ---- | ----------- | ---- | ----------- | ---- | ---- | ---- | ---- | ---- | ---- | ---- | ----------- | ---- | ---- | ----------- | ---- | ---- | ----------- | ---- | ---- | ---- | ----------- | ---- | | | | | | | | Tayda | A-3545, A-3489, or A-3499\*\*\* | | | | S3 | 1 | 10 nF | Unpolarized capacitor | | 1 | B10k | Potentiometer | | | | R16, R17, R19, R20 **Potentiometer, 9 mm vertical pots. You can even use a non-metal spacer underneath 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 single 2.5 mm² wire, reinforced insulation, conductor diameter 2.4mm, see , script-generated using https://github.com/pointhi/kicad-footprint-generator/scripts/TerminalBlock_WAGO THT Terminal Block Phoenix MPT-0,5-3-2.54, 3 pins, http://www.kingbright.com/attachments/file/psearch/000/00/00/L-59EGC(Ver.17A).pdf LED diameter 20.0mm 2 pins diameter 3.0mm Plated Hole as test Point, diameter 4.0mm, 2 pins, pitch 2.5mm, size 22.2x10mm^2, drill diamater 1.2mm, pad diameter 2.5mm, see http://www.metz-connect.com/de/system/files/productfiles/Datenblatt_317011_RT11LxxHGLU_OFF-022798U.pdf, script-generated using https://github.com/pointhi/kicad-footprint-generator/scripts/TerminalBlock_RND THT terminal block RND 205-00293, 8 pins, pitch 5.08mm, size 40.6x10.6mm^2, drill diamater 1.2mm, pad diameter 2.4mm, see , script-generated using https://github.com/pointhi/kicad-footprint-generator/scripts/TerminalBlock_MetzConnect THT terminal block RND 205-00236, 6 pins, pitch 5mm, size 10x12.5mm^2, drill diamater 1.3mm, pad diameter 2.5mm, see http://cdn-reichelt.de/documents/datenblatt/C151/RND_205-00023_DB_EN.pdf, script-generated using https://github.com/pointhi/kicad-footprint-generator/scripts/TerminalBlock_RND THT terminal block Metz Connect Type175_RT02705HBLC pitch 7.5mm.

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