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BackV1 Final tweaks, version submitted to JLCPCB on 20240124 63579cf959 Add notes about UX component wiring D36/R47 too close Testing before powering up: Clock In - ~27K to U3-8? No, transistors maybe activate? Clock Out - 1K to U2-14 - Casc out 2x Toggle Switches, 2pin: all step switches (all go to 10 nF | Unpolarized capacitor | | S3 | 1 | SW_3PDT_x3 | Switch, single pole normally-open illuminated tactile switch D MEC 5G single pole normally-open illuminated tactile switch https://www.ckswitches.com/media/1973/ksc7.pdf C&K Switches 1P1T SMD PTS125 Series 12mm Tact Switch C&K Components, PTS 810 Series, Microminiature SMT Top Actuated, http://www.ckswitches.com/media/1476/pts810.pdf Light Touch Switch, https://industrial.panasonic.com/cdbs/www-data/pdf/ATK0000/ATK0000CE28.pdf 0 4 2 Button_Switch_SMD SW_SPST_EVQQ2 Light Touch Switch, https://industrial.panasonic.com/cdbs/www-data/pdf/ATK0000/ATK0000C374.pdf SMD SMT 3.2x2.5mm, 6-pin QFN (https://www.sitime.com/datasheet/SiT9365 page 13 SMD SMT ceramic resonator filter SMD Resomator/Filter Murata TPSKA, http://cdn-reichelt.de/documents/datenblatt/B400/SFECV-107.pdf, 7.9x3.8mm^2 package SMD Crystal Seiko Epson SG-8002CA https://support.epson.biz/td/api/doc_check.php?mode=dl⟨=en&Parts=SG-8002DC, hand-soldering, 10.5x5.0mm^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, 14.0x8.7mm^2 package SMD Crystal SERIES SMD0603/4 http://www.petermann-technik.de/fileadmin/petermann/pdf/SMD0603-4.pdf, 6.0x3.5mm^2 package SMD Crystal Oscillator Seiko Epson SG-8002LB https://support.epson.biz/td/api/doc_check.php?mode=dl⟨=en&Parts=SG-8002DC, 5.0x3.2mm^2.
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