synth_tools

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* 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 PJ311 Headphones with microphone connector, 3.5mm, 4 pins RGB RGBLED LED, Round, FlatTop, diameter 5.0mm, 2 pins, pitch 5mm, size 40x10mm^2, drill diamater 1.3mm, pad diameter 3mm, see http://www.metz-connect.com/de/system/files/METZ_CONNECT_U_Contact_Katalog_Anschlusssysteme_fuer_Leiterplatten_DE_31_07_2017_OFF_024803.pdf?language=en page 132, script-generated using https://github.com/pointhi/kicad-footprint-generator/scripts/TerminalBlock_RND THT terminal block RND 205-00297 pitch 5.08mm length 10mm diameter 4.5mm Fastron LACC Inductor, Axial series, Axial, Vertical, pin pitch=5.08mm, , length*width=10*5mm^2 L_Toroid Vertical series Radial pin pitch 6.00mm diameter 12.0mm Neosid SD12 style1 Inductor, Radial series, Radial, pin pitch=35.81mm, , diameter=50.8mm, Vishay, IHB-6, http://www.vishay.com/docs/34015/ihb.pdf Inductor Radial series Radial pin pitch 12.7mm length 9.53mm diameter 5.21mm Diode, DO-201 series, Axial, Vertical, pin pitch=5.08mm, , length*diameter=7*3.3mm^2, Fastron, MICC, http://www.fastrongroup.com/image-show/70/MICC.pdf?type=Complete-DataSheet&productType=series Inductor Axial series Axial Horizontal pin pitch 7.10mm length 16.8mm width 9.2mm Vishay TJ3 L_Toroid, Horizontal series, Radial, pin pitch=12.20mm, , length*width=25.4*14.7mm^2, Vishay, TJ5, http://www.vishay.com/docs/34079/tj.pdf L_Toroid Vertical series Radial pin pitch 10.00mm diameter 25mm Electrolytic Capacitor C, Rect series, Radial, pin pitch=5.00mm, , length*width=7*2.5mm^2, Capacitor C Rect series Radial pin pitch 15.00mm length 16.5mm width 13.9mm Capacitor C, Rect series, Radial, pin pitch=29.20mm, , diameter=28mm Inductor Radial series Radial pin pitch 15mm length 12mm diameter 5mm height 5mm Non-Polar Electrolytic Capacitor CP, Radial series, Radial, pin pitch=7.11mm, , length*width=16.26*7.11mm^2, Pulse, H, http://datasheet.octopart.com/PE-92112KNL-Pulse-datasheet-17853305.pdf L_Toroid Vertical series Radial pin pitch 5.08mm size 71.1x9.8mm^2 drill 1.3mm pad 2.6mm Terminal Block Phoenix MKDS-1,5-13-5.08 pitch 5.08mm size 25.4x8.45mm^2 drill 1.1mm pad 2.1mm Terminal Block WAGO 236-304, 45Degree (cable under 45degree), 2 pins, diameter 5.0mm z-position of LED center 1.6mm 2.

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