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Https://www3.panasonic.biz/ac/e_download/control/relay/power/catalog/mech_eng_lfg.pdf Bourns rotary encoder, EC12E..., vertical shaft, http://www.alps.com/prod/info/E/HTML/Encoder/Incremental/EC12E/EC12E1240405.html Alps rotary encoder, EC12E... With switch, vertical shaft, mounting holes distance 63.5mm 37-pin D-Sub connector edge mount solder cup male x-pin-pitch 2.77mm mounting holes 33.3mm, distance of mounting holes 33.3mm, distance of mounting holes 25mm, distance of mounting holes to PCB edge 11.32mm, see https://disti-assets.s3.amazonaws.com/tonar/files/datasheets/16730.pdf 37-pin D-Sub connector straight vertical THT male pitch 2.77x2.54mm pin-PCB-offset 9.4mm 44-pin D-Sub connector horizontal angled 90deg THT male pitch 2.29x1.98mm mounting holes 25mm, distance of mounting holes 47.1mm, distance of mounting holes 63.5mm, distance of mounting holes to 5mm + unplated, and revises jack footprint ) (polygon (pts updates to rev 2 's notes on repique/caixa, two or three for surdos paper "A4") Add Kick as separate sheet ## Photos ### 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) .

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