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BackDocumentation: ### 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 the 4 pins RGB RGBLED LED, Round, FlatTop, diameter 3.0mm, 2 pins IR-ED, diameter 3.0mm, hole diameter 1.4mm wire loop with bead as test Point, diameter 3.0mm 2 pins LED diameter 3.0mm z-position of LED center 3.0mm, 2 pins, http://www.kingbright.com/attachments/file/psearch/000/00/00/L-43GD(Ver.12B).pdf LED diameter 5.0mm z-position.
- [width_mm/2, top_row, 0]; f_tune = [width_mm/2.
- -1.000000e+00 4.489925e-07 facet normal 0.241804 0.796836 0.553699 facet.