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BackLFO. Current draw 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 RGB RGBLED LED, Round, FlatTop, Rectangular size 5.0x2.0mm^2 z-position of LED center 1.6mm, 2 pins black IR-LED, diameter 3.0mm, 2 pins, Rectangular size 3.9x1.8mm^2 2 pins LED, Round, FlatTop, diameter 3.0mm, 2 pins, diameter 3.0mm width 1.6mm Capacitor C, Disc series, Radial, pin pitch=7.50mm, , length*width=9*3.2mm^2, Capacitor, https://en.tdk.eu/inf/20/20/db/fc_2009/MKT_B32560_564.pdf C Rect series Radial pin pitch 30.00mm diameter 32.5mm Bourns 2300 L_Toroid, Horizontal series, Radial, pin pitch=15.00mm, , length*width=16.5*8.7mm^2, Capacitor, https://en.tdk.eu/inf/20/20/db/fc_2009/MKT_B32560_564.pdf C Rect series Radial pin pitch 12.7mm length 5.2mm diameter 2.7mm Vishay IM-2 Inductor, Axial series, Axial, Horizontal, pin pitch=25.4mm, 4W, length*diameter=18*9mm^2 Resistor Axial_DIN0918 series Axial Vertical pin pitch 41mm length 34.5mm diameter 20mm Electrolytic Capacitor CP Axial series Axial Vertical pin pitch 22.50mm length 24mm width 10.1mm Capacitor C, Disc series, Radial, pin pitch=5.00mm, , length*width=7.5*6.5mm^2, Capacitor C Rect series Radial pin pitch 3.81mm length 4mm diameter 2mm Diode, DO-35_SOD27 series, Axial, Horizontal, pin pitch=32mm, , length*diameter=23.37*12.7mm^2, Vishay, IHA-203, http://www.vishay.com/docs/34014/iha.pdf Inductor Axial series Axial Horizontal pin pitch 7.62mm length 9mm diameter 5.3mm Diode, DO-201AE series, Axial, Horizontal, pin pitch=35mm, , length*diameter=29*13mm^2, Electrolytic Capacitor, , http://www.vishay.com/docs/28325/021asm.pdf CP Axial series Axial Horizontal pin pitch 34.93mm Resistor, Axial_Shunt series, Box, pin pitch=60.96mm, 15W, length*width*height=48*12.5*12.5mm^3, http://cdn-reichelt.de/documents/datenblatt/B400/5WAXIAL_9WAXIAL_11WAXIAL_17WAXIAL%23YAG.pdf Resistor Axial_Power series Box pin pitch 5.08mm size 76.2x9.8mm^2 drill 1.3mm pad 2.5mm terminal block RND 205-00084, 8 pins, pitch 3.5mm, size 42x7.6mm^2, drill diamater.
- 7.18529 -1.05962 7.92322 facet normal -0.423073 0.690391 0.58683.
- 9.184476e+01 2.550000e+00 facet normal -0.815358.