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BackWould add very little cost even without 1v/oct, could be other values, ceramic may work, test debouncing. Maybe enlarge footprint if needed. Subject: [PATCH 02/13] More notes Try: From aac0a4a5b4f604add3c1ccb9d39a8956f2d60f00 Mon Sep 17 00:00:00 2001 Subject: [PATCH] light tweaks From c6e6a61475df01d4832847208a59070c5a40c498 Mon Sep 17 00:00:00 2001 Subject: [PATCH] More schematics More schematics Merge pull request synth_mages/MK_SEQ#2 b77534e3fc Added schmancy pcb for v2 front panel and pcb into different files Add footprint items for panel holes; separate panel and Pin 1, steel retention lug, vertical PCB Cherry MX keyswitch, 1.75u, http://matias.ca/switches/ Matias ALPS keyswitch ISO enter 4-bit rotary coded switch, gull wing, Gray code, https://www.nidec-copal-electronics.com/e/catalog/switch/sh-7000.pdf SMD SMT HCMOS Miniature Crystal Clock Oscillator Abracon ASE series, http://www.abracon.com/Oscillators/ASEseries.pdf, hand-soldering, 3.2x2.5mm^2 package SMD Crystal SERIES SMD0603/4 http://www.petermann-technik.de/fileadmin/petermann/pdf/SMD0603-4.pdf, hand-soldering, 6.0x3.5mm^2 package SMD Crystal SERIES SMD7050/4 https://www.foxonline.com/pdfs/FQ7050.pdf, 7.0x5.0mm^2 package SMD Crystal EuroQuartz MQ series http://cdn-reichelt.de/documents/datenblatt/B400/MQ.pdf, 7.0x5.0mm^2 package Miniature Crystal Clock Oscillator Abracon ASE series, http://www.abracon.com/Oscillators/ASEseries.pdf, 3.2x2.5mm^2 package Abracon Miniature Ceramic Smd Crystal ABM10 http://www.abracon.com/Resonators/ABM10.pdf SMD SMT ceramic resonator filter Ceramic Resomator/Filter Murata TPSKA, http://cdn-reichelt.de/documents/datenblatt/B400/SFECV-107.pdf, hand-soldering, 4.5x2.0mm^2 package SMD Crystal Seiko Epson SG-8002LB https://support.epson.biz/td/api/doc_check.php?mode=dl⟨=en&Parts=SG-8002DC, 5.0x3.2mm^2 package SMD Crystal Seiko Epson SG-8002CE https://support.epson.biz/td/api/doc_check.php?mode=dl⟨=en&Parts=SG-8002DC, hand-soldering, 3.2x2.5mm^2 package crystal Epson Toyocom TSX-3225 series https://support.epson.biz/td/api/doc_check.php?dl=brief_fa-238v_en.pdf, 3.2x2.5mm^2 package SMD Crystal EuroQuartz MQ2 series http://cdn-reichelt.de/documents/datenblatt/B400/MQ.pdf, 7.0x5.0mm^2 package SMD Watch Crystal MicroCrystal CC7V-T1A/CM7V-T1A series http://www.microcrystal.com/images/_Product-Documentation/01_TF_ceramic_Packages/01_Datasheet/CC1V-T1A.pdf, hand-soldering, 3.2x1.5mm^2 package SMD Crystal Oscillator Seiko Epson SG-8002JA https://support.epson.biz/td/api/doc_check.php?mode=dl&lang=en&Parts=SG-8002DC, hand-soldering, 3.2x2.5mm^2 package Abracon Miniature Ceramic Smd Crystal ABM8AIG https://abracon.com/AIGcrystals/ABM8AIG.pdf.
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