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Places might be fine, might introduce intermittents - Don't put R8 so close to R26 - D36/R47 too close Testing before powering up: Clock In - ~27K to U3-8? No, transistors maybe activate? - Clock rate (B100k) (not sure yet which 2 pins diameter 5.0mm z-position of LED center 1.6mm 2 pins LED, diameter 8.0mm, 3 pins Ceramic Resomator/Filter 6.0x3.0mm^2, length*width=6.0x3.0mm^2 package, package length=6.0mm, package width=3.0mm, 3 pins THT ceramic resonator filter Ceramic Resomator/Filter Murata SFSKA, http://cdn-reichelt.de/documents/datenblatt/B400/SFECV-107.pdf, 7.9x3.8mm^2 package SMD Crystal Oscillator Seiko Epson SG-210 https://support.epson.biz/td/api/doc_check.php?mode=dl&lang=en&Parts=SG-210SED, 2.5x2.0mm^2 package SMD Crystal Oscillator IDT https://www.idt.com/document/dst/xu-family-datasheet#page=17, 7.0x5.0mm IQD Crystal Clock Oscillator TXC 7C series, http://www.txccorp.com/download/products/osc/7C_o.pdf, hand-soldering, 5.0x3.2mm^2 package Ultraminiature Crystal Clock Oscillator TG2520 series SMD inductor http://www.bourns.com/docs/Product-Datasheets/SRP1038C.pdf Bourns SRP1038C series SMD inductor https://datasheet.lcsc.com/lcsc/2009171439_TAI-TECH-TMPC1265HP-100MG-D_C305223.pdf, 13.5x12.5x6.2mm Tai Tech TMPC1265 SMD inductor https://datasheet.lcsc.com/lcsc/2009171439_TAI-TECH-TMPC1265HP-100MG-D_C305223.pdf, 13.5x12.5x6.2mm Tai Tech TMPC1265 series SMD inductor https://www.bourns.com/docs/Product-Datasheets/SRN1060.pdf Bourns SRN1060 series SMD inductor, https://www.bourns.com/docs/Product-Datasheets/SRN4018.pdf Bourns SRN4018 series SMD inductor http://www.bourns.com/docs/product-datasheets/srp2313aa.pdf Bourns SRR1260 SMD inductor Bourns SRN8040 series SMD Inductor http://www.bourns.com/docs/Product-Datasheets/SRP1770TA.pdf Bourns SRP1770TA series SMD inductor Bourns SRN6028 SMD inductor Bourns SRU1028 series SMD inductor Bourns SRN8040 series SMD inductor Bourns SRU8028 series SMD inductor Bourns SRN8040 SMD inductor Bourns SRU8043 SMD inductor Bourns SRN8040 SMD inductor Bourns SRN4018 series SMD inductor Bourns SRU8028 series SMD inductor Bourns SRR1005 SMD inductor Bourns SRP1770TA series SMD inductor Bourns SRU8043 series SMD inductor http://www.bourns.com/docs/product-datasheets/srp2313aa.pdf Bourns SRR1260 series SMD inductor http://www.bourns.com/docs/product-datasheets/srp2313aa.pdf Bourns SRR1260 series SMD SMT SPST EVQPL EVQPT Coto Technologies SPST Reed Switch CT10-XXXX-G2 Coto Technologies SPST Reed Switch CT05-XXXX-J1 Coto Technologies SPST Reed Switch CT10-XXXX-G1 Coto Technologies SPST Reed Switch CT05-XXXX-J1 Coto Technologies SPST Reed Switch CT10-XXXX-G4 ALPS 5.2mm Square Low-profile Type (Surface Mount) SKQG Series, Without stem, http://www.alps.com/prod/info/E/HTML/Tact/SurfaceMount/SKQG/SKQGAEE010.html TL3305 Series 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 Light Touch Switch, https://industrial.panasonic.com/cdbs/www-data/pdf/ATK0000/ATK0000C374.pdf SMD SMT ceramic resonator filter DSN6 Ceramic Resomator/Filter 6.0x3.0mm^2, length*width=6.0x3.0mm^2 package, package length=8.0mm, package width=3.5mm, 3 pins THT ceramic resonator filter.

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