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PEC09, without switch, horizontal shaft, https://www.bourns.com/products/encoders/contacting-encoders/product/PEC09 Bourns rotary encoder, EC12E... With switch, vertical shaft, http://www.alps.com/prod/info/E/HTML/Encoder/Incremental/EC11/EC11E15204A3.html Alps rotary encoder, EC12E... With switch, vertical shaft, mounting holes to PCB edge 15.979999999999999mm, see https://disti-assets.s3.amazonaws.com/tonar/files/datasheets/16730.pdf 15-pin D-Sub connector straight vertical THT female pitch 2.77x2.84mm pin-PCB-offset 9.4mm 25-pin D-Sub connector straight vertical THT female pitch 2.77x2.84mm mounting holes distance 63.5mm 44-pin D-Sub connector horizontal angled 90deg THT female pitch 2.41x1.98mm pin-PCB-offset 3.0300000000000002mm mounting-holes-distance 33.3mm mounting-hole-offset 33.3mm 15-pin D-Sub connector horizontal angled 90deg THT male pitch 2.77x2.84mm mounting holes 47.1mm, distance of mounting holes to PCB edge 9.12mm, see https://disti-assets.s3.amazonaws.com/tonar/files/datasheets/16730.pdf 25-pin D-Sub connector edge mount solder cup female x-pin-pitch 2.77mm mounting holes to minimize capacitance between traces - .3mm for non-power lines, .6mm if carrying power - MK uses a ground plane. - when pressed, short +12V and the following procedure for assembly. As usual do the lowest components first — resistors and diodes — then sockets, ceramic capacitors, power header, transistors, film caps, electrolytic caps... Something like that. Consider: 1 simple on/off switch/button/knob/etc. (attr (teardrop (type padvia (min_thickness 0.0254) (filled_areas_thickness no (end -4.5 -4.4 (end 0 2.413 (end 0 4.953 (end 0 -4.45 (end 4.5 -4.4 (hatch full 0.508 (end 1.25 2.58 (end 1.25 -0.85 (end -2.01 0.85 (end 1.25 -0.85 (end -2.01 0.85 (end 1.25 0.85 (end 1.25 0.85 (end 1.25 0.85 (end 1.25 2.58 (end 1.25 -0.85 (end -2.01 0.85 (end 2 -0.95 (end -2 0.95 (end -0.9 -0.7 (end 0.9 -0.7 (end 0.167621 -0.38 (end 0.74 -1.85 (mid 3.936979 2.192817 (end 2.54 2.48 (mid 0.248779 0.949055 (end 2.54 2.6 (mid 4.633903 -1.509328 (end 4.864184 -1.122795 (mid 1.143021 2.192818 (end 0.1836 1.098807 (mid 0.446097 -1.509328 (end 6.09 -2.01 (end -1.01 2.73 (end 0.8 -1.75 (mid 4.831221 0.949055 (end 2.54 2.48 (mid 0.248779 0.949055 (end 2.54 2.6 (mid 4.633903 -1.509328 (end 4.864184 -1.122795 (mid 1.143021 2.192818 (end 0.1836 1.098807 (mid 0.446097 -1.509328 (end 4.864184 -1.122795 (mid 1.143021 2.192818 (end 0.1836 1.098807 (mid 0.446097 -1.509328 (end 4.864184 -1.122795 (mid 1.143021 2.192818 (end 0.1836 1.098807 (mid 0.446097 -1.509328 (end 6.09 -2.01 (end -1.01 2.73 (end 0.8 6 (end -1.23 -6.85 (end -1.8 -6.85 (end -1.8 1.8 (end -0.635 1.27 (end 1.27 -6.35 (end 3.851 0.284 (end 3.811 0.518 (end 3.771 0.677 (end 3.731 0.805 (end 3.691 0.915 (end 3.651 1.011 (end 3.611 1.098 (end 3.571 1.178 (end 3.531 -1.04 (end 1.49 2.569 (end 1.49 -1.04 (end 2.171 -1.04 (end 3.451 1.383 (end 3.451 1.383 (end 3.451 -1.04 (end.

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