Y="4.2"/> - 2 pin Molex connector KK254 Molex header 2.54 mm spacing D Switch, three position, single pole normally-open illuminated tactile switch D reed switch, default-closed D SPDT reed switch K switch single-pole double-throw spdt ON-ON illuminated LED SW PUSH 12mm https://www.e-switch.com/system/asset/product_line/data_sheet/143/TL1100.pdf tact sw push 12mm SW PUSH 12mm https://www.e-switch.com/system/asset/product_line/data_sheet/143/TL1100.pdf tact sw push 6mm smd CK components KMR2 tactile switch SPST angled PTS645VL39-2 LFS C&K Button tactile switch SPST angled PTS645VL31-2 LFS C&K Button tactile switch SPST right angle, stacked (https://www.molex.com/content/dam/molex/molex-dot-com/products/automated/en-us/salesdrawingpdf/484/48406/484060001_sd.pdf USB 3.0 type A Plug, Horizontal, http://cnctech.us/pdfs/1001-011-01101.pdf USB-A receptacle horizontal through-hole USB type A, Horizontal, https://www.molex.com/pdm_docs/sd/676433910_sd.pdf USB_A Female Connector receptacle USB A connector https://www.we-online.com/catalog/datasheet/614004134726.pdf Stacked USB A connector http://katalog.we-online.de/em/datasheet/61400826021.pdf A,phenol MUSB_D511, USB B female connector, straight, rugged, https://www.amphenolcanada.com/ProductSearch/drawings/AC/MUSBD511XX.pdf USB_B_MUSB_Straight female connector straight vertical THT female pitch 2.29x1.98mm pin-PCB-offset 8.35mm mounting-holes-distance 25mm mounting-hole-offset 25mm 9-pin D-Sub connector horizontal angled 90deg THT male pitch 2.77x2.84mm pin-PCB-offset 9.4mm 25-pin D-Sub connector horizontal angled 90deg THT male pitch 2.77x2.84mm mounting holes at the time of the Council of 11 March 1996 on the streets of the bad trace. Single-step button (SW13) isn't producing a high enough voltage to trigger steps. Replace C10.