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09/13] Notes from MK's PCB livestream Footprints: - avoid non-circular holes in footprints whenever possible; some fabs charge more for ovals PCB layout: [front](Docs/precadsr_layout_front.pdf), [back](Docs/precadsr_layout_back.pdf ## Git repository https://gitlab.com/rsholmes/precadsr Submodules From 83b013c3637bfb179ad62b90a6c8b2f5fb547c8c Mon Sep 17 00:00:00 2001 Subject: [PATCH 03/18] tweaks layout with input from sam format (units 3) (units_format 1) (precision 4 (style (thickness 0.1) (arrow_length 1.27) (text_position_mode 0) (extension_height 0.58642) (extension_offset 0.5) keep_text_aligned Latest commits for file Schematics/Luthers_VCO_schematic.pdf Subject: [PATCH] How to apply CC0 to the PDF available at http://www.thingiverse.com/thing:9095 * for a press-on type knob (rather than using a setscrew). (ShaftLength must be non-zero.) RingMarkings = 10; // Number of indenting cones. // Number of faces around the top surface of the indenting cones. // Number of faces on the top edge smoothing // thanks to http://www.iheartrobotics.com/ for the shaft. If the Larger Work under terms of any subsequent version of bornier2 simple 3-pin terminal block, pitch 5.08mm, revamped version of package Relay DPDT FRT5 narrow footprint Finder 32.21-x000 Relay, DPDT, https://gfinder.findernet.com/public/attachments/30/EN/S30EN.pdf AXICOM IM-Series Relay DPDR Pitch 3.2mm AXICOM IM-Series Relays, DPDR, Pitch 5.08 AXICOM IM-Series Relays, DPDR, Pitch 3.2mm, http://www.te.com/commerce/DocumentDelivery/DDEController?Action=showdoc&DocId=Specification+Or+Standard%7F108-98001%7FV%7Fpdf%7FEnglish%7FENG_SS_108-98001_V_IM_0614_v1.pdf%7F4-1462039-1 AXICOM IM-Series Relay DPDT FRT5 narrow footprint Finder 32.21-x000 Relay, SPDT, High Capacity, https://omronfs.omron.com/en_US/ecb/products/pdf/en-g2rl.pdf Omron Relay SPDT, Finder Type34.51, horizontal form, see https://gfinder.findernet.com/public/attachments/34/EN/S34USAEN.pdf Hamamatsu spectrometer, see http://www.hamamatsu.com/resources/pdf/ssd/c12880ma_kacc1226e.pdf 3.2mmx2.7mm, light sensor, i2c interface, 6-pin chipled package, http://optoelectronics.liteon.com/upload/download/DS86-2013-0004/LTR-303ALS-01_DS_V1.pdf Optoisolator with LED backlight 160x104 RS-232 I2C or SPI http://www.lcd-module.com/fileadmin/eng/pdf/grafik/edip320-8e.pdf LCD display 320x340 RS-232 I2C or SPI LCD graphical display 480x272 16-bit colour with led backlight TFT graphical display LED.

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