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BackAnd envelope generator synth module. Layout and panel are Kosmo format. * [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 the 4 pins (http://www.qingpu-electronics.com/en/products/WQP-PJ320D-72.html 3.5mm jack mic microphone phones headphones 4pins audio plug Headphones with microphone connector, 3.5mm, 4 pins (http://www.qingpu-electronics.com/en/products/WQP-PJ320E-177.html PJ31060-I 6pin SMD 3.5mm stereo headphones jack. Headphones jack plug stereo 3.5mm PJ31060-I PJ31060 TRS 3.5mm, horizontal, through-hole, with switch, horizontal shaft, https://www.bourns.com/docs/product-datasheets/pec12r.pdf Bourns rotary encoder, PEC09, with switch, vertical shaft, http://www.alps.com/prod/info/E/HTML/Encoder/Incremental/EC12E/EC12E1240405.html Alps rotary encoder, PEC12R, with switch, vertical shaft, http://www.alps.com/prod/info/E/HTML/Encoder/Incremental/EC11/EC11E15204A3.html Alps rotary encoder, PEC09, without switch, horizontal shaft, https://www.bourns.com/docs/product-datasheets/pec12r.pdf Bourns rotary encoder, EC12E... With switch, vertical shaft, https://www.bourns.com/docs/product-datasheets/pec12r.pdf Bourns rotary encoder, EC12E... With switch, horizontal shaft, https://www.bourns.com/docs/product-datasheets/pec12r.pdf Bourns rotary encoder, EC12E...
- With boss (http://www.jst-mfg.com/product/pdf/eng/eXH.pdf), generated with kicad-footprint-generator.
- 2turn, HAM0231A, Neosid Air-Coil SML 3turn.