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Antenna Class 2 Bluetooth Module with on-board components PCB initial layout, no traces "silk_line_width": 0.15, "silk_text_italic": false, "silk_text_size_h": 1.0, "silk_text_size_v": 1.0, PCB initial layout, no traces "min_copper_edge_clearance": 0.0, PCB initial layout, no traces Initial kicad, images, gitignore for kicad backups d7370bb10c Add tl074 datasheet/pinout Datasheets/tl074-pinout.jpeg | Bin 0 -> 138868 bytes Docs/precadsr_bom.md | 4 .../precadsr_aux_Gerbers/precadsr-NPTH.drl | 4 .../precadsr_aux_Gerbers/precadsr-NPTH.drl | 4 .../precadsr_Gerbers/precadsr-Edge_Cuts.gbr | 34 ...E-6410-02A_1x02_P2.54mm_Vertical.kicad_mod | 49 ...E-6410-03A_1x03_P2.54mm_Vertical.kicad_mod | 53 ...E-6410-08A_1x08_P2.54mm_Vertical.kicad_mod | 79 .../MountingHole_3.2mm_M3.kicad_mod | 17 .../PCB/precadsr_Gerbers/precadsr-PTH.drl | 207 .../PCB/precadsr_Gerbers/precadsr-job.gbrjob | 2 pin Molex header 2.54 mm spacing D 3 rotary switches with 4 positions D Switch, dual pole triple throw, 3 position switch, SP3T K switch normally-open pushbutton push-button LCD illuminated right angle (http://www.molex.com/pdm_docs/sd/483930003_sd.pdf USB 3.0 3.1 3.2 4.0 Type-C receptable, through-hole mount, SMD, right-angle (https://www.molex.com/pdm_docs/sd/1054500101_sd.pdf USB C Type-C USB3 receptacle SMD USB 2.0 receptacle type B, horizontal version, through-hole, https://downloads.lumberg.com/datenblaetter/en/2411_02.pdf USB B female connector, straight, rugged, https://www.amphenolcanada.com/ProductSearch/drawings/AC/MUSBD511XX.pdf USB_B_MUSB_Straight female connector straight vertical THT female pitch 2.77x2.54mm pin-PCB-offset 9.4mm 37-pin D-Sub connector horizontal angled 90deg THT female pitch 2.77x2.84mm pin-PCB-offset 9.4mm 26-pin D-Sub connector straight vertical THT female pitch 2.77x2.84mm pin-PCB-offset 4.9399999999999995mm mounting-holes-distance 33.3mm mounting-hole-offset 33.3mm 26-pin D-Sub connector horizontal angled 90deg THT male pitch 2.77x2.84mm pin-PCB-offset 9.4mm 37-pin D-Sub connector, horizontal/angled (90 deg), THT-mount, female, pitch 2.29x1.98mm, pin-PCB-offset 8.35mm, distance of mounting holes 25mm, see https://disti-assets.s3.amazonaws.com/tonar/files/datasheets/16730.pdf 44-pin D-Sub connector horizontal angled 90deg THT female pitch 2.77x2.84mm pin-PCB-offset 9.9mm mounting-holes-distance 33.3mm mounting-hole-offset 33.3mm 26-pin D-Sub connector horizontal angled 90deg THT female pitch 2.77x2.84mm pin-PCB-offset 9.4mm 26-pin D-Sub connector horizontal angled 90deg THT male pitch 2.29x1.98mm pin-PCB-offset 8.35mm mounting-holes-distance 25mm mounting-hole-offset 25mm 9-pin D-Sub connector, horizontal/angled (90 deg), THT-mount, male, pitch 2.77x2.84mm, pin-PCB-offset 7.699999999999999mm, 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, horizontal/angled (90 deg), THT-mount, male, pitch 2.29x1.98mm, pin-PCB-offset 9.4mm, see http://docs-europe.electrocomponents.com/webdocs/1585/0900766b81585df2.pdf 37-pin D-Sub connector straight vertical THT male pitch 2.29x1.98mm pin-PCB-offset 3.0300000000000002mm.

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