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Knobs etc.. It's a good height so that they align to the base panel's thickness to account for squishing // middle-bottom h rib pcb_holder(h=10, l=top_row-rail_clearance*2-15-thickness, th=1.15, wall_thickness=1); // lower h-rib reinforcer ## Photos [to be added] ## Documentation: * [Schematic](Docs/precadsr.pdf) * PCB layout: [front](Docs/precadsr_layout_front.pdf), [back](Docs/precadsr_layout_back.pdf) * [BOM](Docs/precadsr_bom.md) * [Build notes](Docs/build.md ## GitHub repository ## Git repository From 40ce306867b3d353457e134a232ee65f5767bece Mon Sep 17 00:00:00 2001 (group "" (id 7cedb386-ca2d-42ef-9568-56fbe1e77165 Period: 6 months 1 day 08c0726655 Added BCN, Something Positive if (!$alt_text){ Added BCN, Something Positive $alt_text = trim($img->getAttribute('alt')); if (!$alt_text && !$title_text) { $new_element->appendChild($para_element); if ($alt_text && !$title_text){ Various updates, additions Bourns PTL series, such as: ** Would need another supplier, mouser sells only in 1000+ for these. Original README: * LEDs in these is supposed to be roughly 2 mm or 16 mm vertical board mount | | Tayda | A-804 | | | | | Tayda | A-1624 or A-2969 | | Q1, Q2, Q3 | 3 | A1M | Potentiometer | | | Tayda | A-1605 | | | | Tayda | A-3588 | \** Use only four (4) potentiometers, either 9 mm or 16 mm vertical board mount OR: | | R5 | 1 | 1 | B20k | Potentiometer | | | | | | D3, D4, D5, D6, D7, D8, D9, D10 100V 0.15A standard switching diode, DO-35 Quad operational amplifier, DIP-14 A-1135 2 8 pin connector, https://www.te.com/commerce/DocumentDelivery/DDEController?Action=showdoc&DocId=Customer+Drawing%7F215079%7FY1%7Fpdf%7FEnglish%7FENG_CD_215079_Y1.pdf%7F215079-4 connector TE-Connectivity Micro-MaTch Vertical 215079-6 7-215079-6 TE-Connectivity Micro-MaTch female-on-board top-entry thru-hole 8 pin SIM connector for 1.6mm PCB's with 50 contacts (polarized Highspeed card edge connector for 2.4mm PCB's with 50 contacts (not polarized Highspeed card edge connector for 2.4mm PCB's with 40 contacts (polarized Highspeed card edge connector for 1.6mm PCB's with 20 contacts (polarized Highspeed card edge connector for 1.6mm PCB's with 50 contacts (not polarized Highspeed card edge connector for PCB's with 50 contacts (not polarized Highspeed card edge card connector socket for 2.36mm PCBs, vertical, alignment pins, weld tabs (source: https://suddendocs.samtec.com/prints/hsec8-1xxx-xx-xx-dv-x-xx-footprint.pdf Samtec Micro Mate Discrete Wire Terminal Strip, 1.00 mm Pitch, Single Row, Horizontal (Right Angle) (source: https://suddendocs.samtec.com/prints/t1m-single-row-footprint.pdf Samtec Micro Mate Discrete Wire Terminal Strip, 1.00 mm Pitch, Single Row, Vertical (source: https://suddendocs.samtec.com/prints/t1m-single-row-footprint.pdf.

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