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3.5mm jacks needing 8mm //calculated x value of exact middle of panel after deducting left/right sub-panels slider_center = (width_mm - left_panel_width - right_panel_width)/2 + left_panel_width; panel(width); // lower h-rib reinforcer ## Photos ### Photos ## Documentation: ### Documentation: * [Schematic](Docs/precadsr.pdf) * PCB layout: make power connection traces larger; MK uses a ground plane. When two traces cross on opposite sides of the stem. [mm] knob_height = 5; //mm left_col = 10 + center_adjust; right_col = width_mm - right_rib_thickness; // projection: make a 2d version v_wall(h=4, l=height-rail_clearance*2, th=right_rib_thickness); // top stuff // step rotary switch with two LEDs K switch single-pole double-throw spdt ON-ON horizontal MEC 5G single pole normally-open illuminated tactile switch 6mm ALPS SKHH right angle (http://www.molex.com/pdm_docs/sd/483930003_sd.pdf USB 3.0 type A right angle tht HDMI, Micro, Type D, SMD, 0.4mm pitch, 19 ckt, right angle 3mm lightpipe dual tower right angle http://www.alps.com/prod/info/E/HTML/Tact/SnapIn/SKHH/SKHHLUA010.html tactile switch Light Touch Switch, https://industrial.panasonic.com/cdbs/www-data/pdf/ATK0000/ATK0000C374.pdf SMD SMT Miniature Crystal Clock Oscillator EuroQuartz XO32 series, http://cdn-reichelt.de/documents/datenblatt/B400/XO32.pdf, hand-soldering, 3.2x2.5mm^2 package Miniature Crystal Clock Oscillator TXCO Fordahl DFA S1-KHZ/LHZ, http://www.iqdfrequencyproducts.com/products/details/iqxo-70-11-30.pdf, 14.8x9.1mm^2 package Mminiature Crystal Clock Oscillator IQXO-70, http://www.iqdfrequencyproducts.com/products/details/iqxo-70-11-30.pdf, 7.5x5.0mm^2 package SI570, SI571, Programmable oscillator, Standard SI570 SI571 Programmable oscillator Standard SMD Crystal SERIES SMD2520/2 http://www.icbase.com/File/PDF/HKC/HKC00061008.pdf, 5.0x3.2mm^2 package Abracon Miniature Ceramic Smd Crystal ABM10 http://www.abracon.com/Resonators/ABM10.pdf SMD SMT Miniature Crystal Clock Oscillator TXC 7C series, http://www.txccorp.com/download/products/osc/7C_o.pdf, hand-soldering, 5.0x3.2mm^2 package 14-lead dip package, row spacing 9.53 mm (375 mils), Clearance8mm 6-lead surface-mounted (SMD) DIP package, row spacing 9.53 mm (375 mils), Clearance8mm 20-lead surface-mounted (SMD) DIP package, row spacing 7.62 mm (300 mils), body size 10.8x6.64mm 2x-dip-switch SPST , Slide, row spacing 8.61 mm (338 mils), body size 9.78x12.34mm (see e.g. Https://www.ctscorp.com/wp-content/uploads/219.pdf), SMD, LowProfile, JPin SMD 6x-dip-switch SPST Copal_CHS-06B, Slide, row spacing 7.62 mm (300 mils 24-lead though-hole mounted DIP package, row spacing 8.9 mm (350 mils), body size 6.7x4.1mm (see e.g. Https://www.ctscorp.com/wp-content/uploads/209-210.pdf), LowProfile DIP Switch SPST Slide 7.62mm 300mil Socket 3M 24-pin zero insertion force socket, through-hole, row spacing 16.51 mm (650 mils), SMDSocket, SmallPads 42-lead though-hole mounted DIP package, row spacing 25.4 mm (1000 mils THT DIP.

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