add USB A receptacle

connector/tab_molex_197054001.yaml

@@ -2,7 +2,6 @@ name: MOLEX_197054001
 description: PCB tab
 datasheet: https://www.molex.com/content/dam/molex/molex-dot-com/products/automated/en-us/salesdrawingpdf/197/19705/197054001_sd.pdf
 keywords: connector, tab
-distributors: LCSC C505008
 
 pinout:
   TAB: 1,2
@@ -18,7 +17,17 @@ housing:
   bodyWidth: 7.9
   bodyLength: 3.0
   height: 14.22
+  model:
+    file: "library/connector/tab_molex_197054001.stp"
+    rotation: -90,0,0
+    position: 0,0,0.85
+
   pitch: 5.08
-  holeDiameter: 1.70
+  # the datasheet recommends round holes
+  #holeDiameter: 1.70
+  slotWidth: 1.9 # Math.sqrt(1.22**2+0.81**2)*1.2 = 1.757
+  padWidth: 2.7 # 1.76 + 0.35*2
+  slotHeight: 1.0 # 0.81 * 1.2 = 0.972
+  padHeight: 1.7 # 1.0 + 0.35*2
   columnCount: 2
   rowCount: 1

connector/usb-a-2.0-receptacle_912-121a2026s10100.yaml

@@ -0,0 +1,48 @@
+name: USB-A-2.0_RECEPTACLE_912-121A2026S10100
+description: USB 2.0 standard-A receptacle, surface mount
+datasheet: https://datasheet.lcsc.com/lcsc/2102261733_Jing-Extension-of-the-Electronic-Co--912-121A2023S10100_C42428.pdf
+keywords: connector, USB
+# LCSC C42425
+
+pinout:
+  USB:
+    VBUS: 1
+    D-: 2
+    D+: 3
+    GND: 4
+  SHELL:
+    SHIELD: 5
+
+properties:
+  power: VBUS
+  ground: GND
+  bidir: D-, D+
+  passive: SHIELD
+
+schematic:
+  symbol: connector
+  right: USB
+  bottom: SHELL
+
+housing:
+  pattern: custom
+  bodyWidth: 13.1
+  bodyLength: 10.6
+  height: 6.3
+  model: # from EasyEDA using JLC2KiCad
+    file: 'library/connector/usb-a-2.0-receptacle_c42428.stp'
+    rotation: 0,0,0
+    position: 0,5.55,0
+
+  # signal pins
+  padWidth: 1.0
+  padHeight: 2.0 # hand tuned, not in datasheet
+  padPosition: -3.5, -5.54, -1.0, -5.54, 1.0, -5.54, 3.5, -5.54 # y: tab - 7.54
+
+  # shell tabs
+  numbers1: 5, 5
+  slotWidth1: 0.6
+  slotHeight1: 1.6
+  padWidth1: 1.6
+  padHeight1: 2.6
+  padPosition1: -6.4, 2.0, 6.4, 2.0 # y: 10.6/2 - 3.3 measured, not in datasheet

connector/usb-a-2.0-receptacle_c42428.yaml

@@ -2,7 +2,7 @@ name: USB-A-2.0_RECEPTACLE_C42428
 description: USB 2.0 standard-A receptacle, surface mount
 datasheet: https://datasheet.lcsc.com/lcsc/2102261733_Jing-Extension-of-the-Electronic-Co--912-121A2023S10100_C42428.pdf
 keywords: connector, USB
-# LCSC C42428 and C42425
+# LCSC C42428
 
 pinout:
   USB:
@@ -26,9 +26,13 @@ schematic:
 
 housing:
   pattern: custom
-  bodyWidth: 13.10
+  bodyWidth: 14.3
   bodyLength: 10.6
-  height: 5.7
+  height: 6.9
+  model: # from EasyEDA using JLC2KiCad
+    file: 'library/connector/usb-a-2.0-receptacle_c42428.stp'
+    rotation: 0,0,0
+    position: 0,6.1,0
 
   # signal pins
   padWidth: 1.0

mechanical/switch_xkb_sk-3245s.yaml

@@ -0,0 +1,57 @@
+name: XKB_SK-3245S
+# variation A not defined here
+variations: L1-B, L2-B, L3-B, L4-B
+description: switch, surface mount, SPDT/DPDT
+datasheet: https://www.helloxkb.com/public/images/pdf/SK-3245S-X-X.pdf
+
+pinout@L1-B: 1-6
+
+pinout@L2-B: 1-6
+
+pinout@L3-B: 1-6
+
+pinout@L4-B: 1-6
+
+schematic:
+  symbol: switch
+  left: 1-3
+  right: 4-6
+
+housing@B: &B
+  pattern: custom
+  bodyWidth: 3.55
+  bodyLength: 9.1
+  height: 3.55
+
+  numbers: 1, 4, 2, 5, 3, 6
+  padWidth: 1.1
+  padHeight: 0.8
+  rowCount: 3
+  columnCount: 2
+  horizontalPitch: 6.53
+  verticalPitch: 2.5
+
+housing@L1-B:
+  suffix: -L1-B
+  <<: *B
+  silkscreen: M 3.775 -1.75 3.775 1.75 # switch level (3.55/2 + L, )
+
+housing@L2-B:
+  suffix: -L2-B
+  <<: *B
+  silkscreen: M 4.275 -1.75 4.275 1.75 # switch level (3.55/2 + L, )
+
+housing@L3-B:
+  suffix: -L3-B
+  <<: *B
+  silkscreen: M 4.775 -1.75 4.775 1.75 # switch level (3.55/2 + L, )
+
+housing@L4-B:
+  suffix: -L4-B
+  <<: *B
+  silkscreen: M 5.775 -1.75 5.775 1.75 # switch level (3.55/2 + L, )
+  model: # from http://www.helloxkb.com/public/images/zip/SK-3245S-L4-B.zip
+    file: 'library/mechanical/switch_xkb_sk-3245s-l4-b.step'
+    rotation: -90,0,0
+    position: 0,0,0.35
+