Updated schematic, WIP

design/Kicad/W800_Smart_Watch/W800_Smart_Watch.kicad_sch

@@ -5,6 +5,67 @@
   (paper "A4")
 
   (lib_symbols
+    (symbol "74xGxx:74LVC1G00" (pin_names (offset 1.016)) (in_bom yes) (on_board yes)
+      (property "Reference" "U" (id 0) (at -2.54 3.81 0)
+        (effects (font (size 1.27 1.27)))
+      )
+      (property "Value" "74LVC1G00" (id 1) (at 0 -3.81 0)
+        (effects (font (size 1.27 1.27)))
+      )
+      (property "Footprint" "" (id 2) (at 0 0 0)
+        (effects (font (size 1.27 1.27)) hide)
+      )
+      (property "Datasheet" "http://www.ti.com/lit/sg/scyt129e/scyt129e.pdf" (id 3) (at 0 0 0)
+        (effects (font (size 1.27 1.27)) hide)
+      )
+      (property "ki_keywords" "Single Gate NAND LVC CMOS" (id 4) (at 0 0 0)
+        (effects (font (size 1.27 1.27)) hide)
+      )
+      (property "ki_description" "Single NAND Gate, Low-Voltage CMOS" (id 5) (at 0 0 0)
+        (effects (font (size 1.27 1.27)) hide)
+      )
+      (property "ki_fp_filters" "SOT* SG-*" (id 6) (at 0 0 0)
+        (effects (font (size 1.27 1.27)) hide)
+      )
+      (symbol "74LVC1G00_0_1"
+        (arc (start 0 -2.54) (mid 2.54 0) (end 0 2.54)
+          (stroke (width 0.254) (type default) (color 0 0 0 0))
+          (fill (type none))
+        )
+        (polyline
+          (pts
+            (xy 0 -2.54)
+            (xy -3.81 -2.54)
+            (xy -3.81 2.54)
+            (xy 0 2.54)
+          )
+          (stroke (width 0.254) (type default) (color 0 0 0 0))
+          (fill (type none))
+        )
+      )
+      (symbol "74LVC1G00_1_1"
+        (pin input line (at -7.62 1.27 0) (length 3.81)
+          (name "~" (effects (font (size 1.016 1.016))))
+          (number "1" (effects (font (size 1.016 1.016))))
+        )
+        (pin input line (at -7.62 -1.27 0) (length 3.81)
+          (name "~" (effects (font (size 1.016 1.016))))
+          (number "2" (effects (font (size 1.016 1.016))))
+        )
+        (pin power_in line (at 0 -2.54 270) (length 0) hide
+          (name "GND" (effects (font (size 1.016 1.016))))
+          (number "3" (effects (font (size 1.016 1.016))))
+        )
+        (pin output inverted (at 6.35 0 180) (length 3.81)
+          (name "~" (effects (font (size 1.016 1.016))))
+          (number "4" (effects (font (size 1.016 1.016))))
+        )
+        (pin power_in line (at 0 2.54 90) (length 0) hide
+          (name "VCC" (effects (font (size 1.016 1.016))))
+          (number "5" (effects (font (size 1.016 1.016))))
+        )
+      )
+    )
     (symbol "Battery_Management:DW01A" (in_bom yes) (on_board yes)
       (property "Reference" "U" (id 0) (at -3.81 5.08 0)
         (effects (font (size 1.27 1.27)))
@@ -126,6 +187,178 @@
         )
       )
     )
+    (symbol "Connector:Conn_01x02_Male" (pin_names (offset 1.016) hide) (in_bom yes) (on_board yes)
+      (property "Reference" "J" (id 0) (at 0 2.54 0)
+        (effects (font (size 1.27 1.27)))
+      )
+      (property "Value" "Conn_01x02_Male" (id 1) (at 0 -5.08 0)
+        (effects (font (size 1.27 1.27)))
+      )
+      (property "Footprint" "" (id 2) (at 0 0 0)
+        (effects (font (size 1.27 1.27)) hide)
+      )
+      (property "Datasheet" "~" (id 3) (at 0 0 0)
+        (effects (font (size 1.27 1.27)) hide)
+      )
+      (property "ki_keywords" "connector" (id 4) (at 0 0 0)
+        (effects (font (size 1.27 1.27)) hide)
+      )
+      (property "ki_description" "Generic connector, single row, 01x02, script generated (kicad-library-utils/schlib/autogen/connector/)" (id 5) (at 0 0 0)
+        (effects (font (size 1.27 1.27)) hide)
+      )
+      (property "ki_fp_filters" "Connector*:*_1x??_*" (id 6) (at 0 0 0)
+        (effects (font (size 1.27 1.27)) hide)
+      )
+      (symbol "Conn_01x02_Male_1_1"
+        (polyline
+          (pts
+            (xy 1.27 -2.54)
+            (xy 0.8636 -2.54)
+          )
+          (stroke (width 0.1524) (type default) (color 0 0 0 0))
+          (fill (type none))
+        )
+        (polyline
+          (pts
+            (xy 1.27 0)
+            (xy 0.8636 0)
+          )
+          (stroke (width 0.1524) (type default) (color 0 0 0 0))
+          (fill (type none))
+        )
+        (rectangle (start 0.8636 -2.413) (end 0 -2.667)
+          (stroke (width 0.1524) (type default) (color 0 0 0 0))
+          (fill (type outline))
+        )
+        (rectangle (start 0.8636 0.127) (end 0 -0.127)
+          (stroke (width 0.1524) (type default) (color 0 0 0 0))
+          (fill (type outline))
+        )
+        (pin passive line (at 5.08 0 180) (length 3.81)
+          (name "Pin_1" (effects (font (size 1.27 1.27))))
+          (number "1" (effects (font (size 1.27 1.27))))
+        )
+        (pin passive line (at 5.08 -2.54 180) (length 3.81)
+          (name "Pin_2" (effects (font (size 1.27 1.27))))
+          (number "2" (effects (font (size 1.27 1.27))))
+        )
+      )
+    )
+    (symbol "Device:Crystal_GND24" (pin_names (offset 1.016) hide) (in_bom yes) (on_board yes)
+      (property "Reference" "Y" (id 0) (at 3.175 5.08 0)
+        (effects (font (size 1.27 1.27)) (justify left))
+      )
+      (property "Value" "Crystal_GND24" (id 1) (at 3.175 3.175 0)
+        (effects (font (size 1.27 1.27)) (justify left))
+      )
+      (property "Footprint" "" (id 2) (at 0 0 0)
+        (effects (font (size 1.27 1.27)) hide)
+      )
+      (property "Datasheet" "~" (id 3) (at 0 0 0)
+        (effects (font (size 1.27 1.27)) hide)
+      )
+      (property "ki_keywords" "quartz ceramic resonator oscillator" (id 4) (at 0 0 0)
+        (effects (font (size 1.27 1.27)) hide)
+      )
+      (property "ki_description" "Four pin crystal, GND on pins 2 and 4" (id 5) (at 0 0 0)
+        (effects (font (size 1.27 1.27)) hide)
+      )
+      (property "ki_fp_filters" "Crystal*" (id 6) (at 0 0 0)
+        (effects (font (size 1.27 1.27)) hide)
+      )
+      (symbol "Crystal_GND24_0_1"
+        (rectangle (start -1.143 2.54) (end 1.143 -2.54)
+          (stroke (width 0.3048) (type default) (color 0 0 0 0))
+          (fill (type none))
+        )
+        (polyline
+          (pts
+            (xy -2.54 0)
+            (xy -2.032 0)
+          )
+          (stroke (width 0) (type default) (color 0 0 0 0))
+          (fill (type none))
+        )
+        (polyline
+          (pts
+            (xy -2.032 -1.27)
+            (xy -2.032 1.27)
+          )
+          (stroke (width 0.508) (type default) (color 0 0 0 0))
+          (fill (type none))
+        )
+        (polyline
+          (pts
+            (xy 0 -3.81)
+            (xy 0 -3.556)
+          )
+          (stroke (width 0) (type default) (color 0 0 0 0))
+          (fill (type none))
+        )
+        (polyline
+          (pts
+            (xy 0 3.556)
+            (xy 0 3.81)
+          )
+          (stroke (width 0) (type default) (color 0 0 0 0))
+          (fill (type none))
+        )
+        (polyline
+          (pts
+            (xy 2.032 -1.27)
+            (xy 2.032 1.27)
+          )
+          (stroke (width 0.508) (type default) (color 0 0 0 0))
+          (fill (type none))
+        )
+        (polyline
+          (pts
+            (xy 2.032 0)
+            (xy 2.54 0)
+          )
+          (stroke (width 0) (type default) (color 0 0 0 0))
+          (fill (type none))
+        )
+        (polyline
+          (pts
+            (xy -2.54 -2.286)
+            (xy -2.54 -3.556)
+            (xy 2.54 -3.556)
+            (xy 2.54 -2.286)
+          )
+          (stroke (width 0) (type default) (color 0 0 0 0))
+          (fill (type none))
+        )
+        (polyline
+          (pts
+            (xy -2.54 2.286)
+            (xy -2.54 3.556)
+            (xy 2.54 3.556)
+            (xy 2.54 2.286)
+          )
+          (stroke (width 0) (type default) (color 0 0 0 0))
+          (fill (type none))
+        )
+      )
+      (symbol "Crystal_GND24_1_1"
+        (pin passive line (at -3.81 0 0) (length 1.27)
+          (name "1" (effects (font (size 1.27 1.27))))
+          (number "1" (effects (font (size 1.27 1.27))))
+        )
+        (pin passive line (at 0 5.08 270) (length 1.27)
+          (name "2" (effects (font (size 1.27 1.27))))
+          (number "2" (effects (font (size 1.27 1.27))))
+        )
+        (pin passive line (at 3.81 0 180) (length 1.27)
+          (name "3" (effects (font (size 1.27 1.27))))
+          (number "3" (effects (font (size 1.27 1.27))))
+        )
+        (pin passive line (at 0 -5.08 90) (length 1.27)
+          (name "4" (effects (font (size 1.27 1.27))))
+          (number "4" (effects (font (size 1.27 1.27))))
+        )
+      )
+    )
     (symbol "Device:FS8205A" (in_bom yes) (on_board yes)
       (property "Reference" "U" (id 0) (at -5.08 5.08 0)
         (effects (font (size 1.27 1.27)))
@@ -332,6 +565,77 @@
         )
       )
     )
+    (symbol "Interface_USB:CH340E" (in_bom yes) (on_board yes)
+      (property "Reference" "U" (id 0) (at -5.08 13.97 0)
+        (effects (font (size 1.27 1.27)) (justify right))
+      )
+      (property "Value" "CH340E" (id 1) (at 1.27 13.97 0)
+        (effects (font (size 1.27 1.27)) (justify left))
+      )
+      (property "Footprint" "Package_SO:MSOP-10_3x3mm_P0.5mm" (id 2) (at 1.27 -13.97 0)
+        (effects (font (size 1.27 1.27)) (justify left) hide)
+      )
+      (property "Datasheet" "https://www.mpja.com/download/35227cpdata.pdf" (id 3) (at -8.89 20.32 0)
+        (effects (font (size 1.27 1.27)) hide)
+      )
+      (property "ki_keywords" "USB UART Serial Converter Interface" (id 4) (at 0 0 0)
+        (effects (font (size 1.27 1.27)) hide)
+      )
+      (property "ki_description" "USB serial converter, UART, MSOP-10" (id 5) (at 0 0 0)
+        (effects (font (size 1.27 1.27)) hide)
+      )
+      (property "ki_fp_filters" "MSOP*3x3mm*P0.5mm*" (id 6) (at 0 0 0)
+        (effects (font (size 1.27 1.27)) hide)
+      )
+      (symbol "CH340E_0_1"
+        (rectangle (start -7.62 12.7) (end 7.62 -12.7)
+          (stroke (width 0.254) (type default) (color 0 0 0 0))
+          (fill (type background))
+        )
+      )
+      (symbol "CH340E_1_1"
+        (pin bidirectional line (at -10.16 2.54 0) (length 2.54)
+          (name "UD+" (effects (font (size 1.27 1.27))))
+          (number "1" (effects (font (size 1.27 1.27))))
+        )
+        (pin passive line (at -2.54 15.24 270) (length 2.54)
+          (name "V3" (effects (font (size 1.27 1.27))))
+          (number "10" (effects (font (size 1.27 1.27))))
+        )
+        (pin bidirectional line (at -10.16 0 0) (length 2.54)
+          (name "UD-" (effects (font (size 1.27 1.27))))
+          (number "2" (effects (font (size 1.27 1.27))))
+        )
+        (pin power_in line (at 0 -15.24 90) (length 2.54)
+          (name "GND" (effects (font (size 1.27 1.27))))
+          (number "3" (effects (font (size 1.27 1.27))))
+        )
+        (pin output line (at 10.16 -10.16 180) (length 2.54)
+          (name "~{RTS}" (effects (font (size 1.27 1.27))))
+          (number "4" (effects (font (size 1.27 1.27))))
+        )
+        (pin input line (at 10.16 2.54 180) (length 2.54)
+          (name "~{CTS}" (effects (font (size 1.27 1.27))))
+          (number "5" (effects (font (size 1.27 1.27))))
+        )
+        (pin output line (at -10.16 -2.54 0) (length 2.54)
+          (name "TNOW" (effects (font (size 1.27 1.27))))
+          (number "6" (effects (font (size 1.27 1.27))))
+        )
+        (pin power_in line (at 0 15.24 270) (length 2.54)
+          (name "VCC" (effects (font (size 1.27 1.27))))
+          (number "7" (effects (font (size 1.27 1.27))))
+        )
+        (pin output line (at 10.16 10.16 180) (length 2.54)
+          (name "TXD" (effects (font (size 1.27 1.27))))
+          (number "8" (effects (font (size 1.27 1.27))))
+        )
+        (pin input line (at 10.16 7.62 180) (length 2.54)
+          (name "RXD" (effects (font (size 1.27 1.27))))
+          (number "9" (effects (font (size 1.27 1.27))))
+        )
+      )
+    )
     (symbol "Regulator_Linear:RT9013" (in_bom yes) (on_board yes)
       (property "Reference" "U" (id 0) (at -3.81 6.35 0)
         (effects (font (size 1.27 1.27)))
@@ -510,15 +814,15 @@
   )
 
 
-  (symbol (lib_id "Battery_Management:TP4056") (at 55.88 82.55 0) (unit 1)
+  (symbol (lib_id "Battery_Management:TP4056") (at 34.29 69.85 0) (unit 1)
     (in_bom yes) (on_board yes) (fields_autoplaced)
     (uuid 0f7fc13b-2354-47f2-88a4-29e97b6f06cd)
-    (property "Reference" "U3" (id 0) (at 55.88 71.12 0))
+    (property "Reference" "U3" (id 0) (at 34.29 58.42 0))
-    (property "Value" "TP4056" (id 1) (at 55.88 73.66 0))
+    (property "Value" "TP4056" (id 1) (at 34.29 60.96 0))
-    (property "Footprint" "Package_SO:SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.29x3mm_ThermalVias" (id 2) (at 55.88 82.55 0)
+    (property "Footprint" "Package_SO:SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.29x3mm_ThermalVias" (id 2) (at 34.29 69.85 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "Datasheet" "https://dlnmh9ip6v2uc.cloudfront.net/datasheets/Prototyping/TP4056.pdf" (id 3) (at 55.88 82.55 0)
+    (property "Datasheet" "https://dlnmh9ip6v2uc.cloudfront.net/datasheets/Prototyping/TP4056.pdf" (id 3) (at 34.29 69.85 0)
       (effects (font (size 1.27 1.27)) hide)
     )
     (pin "1" (uuid bea48d38-0c90-445d-bb65-eb1f65e09505))
@@ -531,15 +835,15 @@
     (pin "8" (uuid f456aefb-4e50-4e49-aabd-7205012bca95))
   )
 
-  (symbol (lib_id "Regulator_Linear:RT9193") (at 88.9 59.69 0) (unit 1)
+  (symbol (lib_id "Regulator_Linear:RT9193") (at 83.82 34.29 0) (unit 1)
     (in_bom yes) (on_board yes) (fields_autoplaced)
     (uuid 0f9acd40-e2d8-4513-bcbb-e83b3c844e1e)
-    (property "Reference" "U6" (id 0) (at 88.9 46.99 0))
+    (property "Reference" "U6" (id 0) (at 83.82 21.59 0))
-    (property "Value" "RT9193" (id 1) (at 88.9 49.53 0))
+    (property "Value" "RT9193" (id 1) (at 83.82 24.13 0))
-    (property "Footprint" "Package_TO_SOT_SMD:SOT-23-5" (id 2) (at 88.9 59.69 0)
+    (property "Footprint" "Package_TO_SOT_SMD:SOT-23-5" (id 2) (at 83.82 34.29 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "Datasheet" "https://www.richtek.com/assets/product_file/RT9193/DS9193-18.pdf" (id 3) (at 88.9 52.07 0)
+    (property "Datasheet" "https://www.richtek.com/assets/product_file/RT9193/DS9193-18.pdf" (id 3) (at 83.82 26.67 0)
       (effects (font (size 1.27 1.27)) hide)
     )
     (pin "1" (uuid aa411f2d-cd5b-470c-89ab-20dafe25c1c1))
@@ -595,15 +899,15 @@
     (pin "9" (uuid 5804a970-b401-40fe-98b5-de2eef85ef64))
   )
 
-  (symbol (lib_id "Device:FS8205A") (at 39.37 62.23 0) (unit 1)
+  (symbol (lib_id "Device:FS8205A") (at 34.29 50.8 0) (unit 1)
     (in_bom yes) (on_board yes) (fields_autoplaced)
     (uuid 2fffd4f3-7c29-4a40-8650-c573f089b457)
-    (property "Reference" "U1" (id 0) (at 39.37 53.34 0))
+    (property "Reference" "U1" (id 0) (at 34.29 41.91 0))
-    (property "Value" "FS8205A" (id 1) (at 39.37 55.88 0))
+    (property "Value" "FS8205A" (id 1) (at 34.29 44.45 0))
-    (property "Footprint" "Package_TO_SOT_SMD:SOT-23-6" (id 2) (at 39.37 62.23 0)
+    (property "Footprint" "Package_TO_SOT_SMD:SOT-23-6" (id 2) (at 34.29 50.8 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "Datasheet" "https://rarecomponents.com/docs/FS8205A-SOT23-6.pdf" (id 3) (at 39.37 62.23 0)
+    (property "Datasheet" "https://rarecomponents.com/docs/FS8205A-SOT23-6.pdf" (id 3) (at 34.29 50.8 0)
       (effects (font (size 1.27 1.27)) hide)
     )
     (pin "1" (uuid 0ca1edef-0603-4e1c-b32c-059d439151af))
@@ -614,15 +918,66 @@
     (pin "6" (uuid f2d7043c-449d-4897-a397-c2e11cd03f61))
   )
 
-  (symbol (lib_id "Battery_Management:DW01A") (at 45.72 43.18 0) (unit 1)
+  (symbol (lib_id "Connector:Conn_01x02_Male") (at 30.48 87.63 0) (unit 1)
     (in_bom yes) (on_board yes) (fields_autoplaced)
-    (uuid 6c841fe1-02e6-4e5a-948f-63df9424f3c9)
+    (uuid 3f4d1e62-5d45-42f0-933b-fa927a34bf13)
-    (property "Reference" "U2" (id 0) (at 45.72 33.02 0))
+    (property "Reference" "J?" (id 0) (at 31.115 82.55 0))
-    (property "Value" "DW01A" (id 1) (at 45.72 35.56 0))
+    (property "Value" "Conn_01x02_Male" (id 1) (at 31.115 85.09 0))
-    (property "Footprint" "Package_TO_SOT_SMD:SOT-23-6" (id 2) (at 45.72 43.18 0)
+    (property "Footprint" "" (id 2) (at 30.48 87.63 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "Datasheet" "https://datasheet.lcsc.com/szlcsc/1901091236_PUOLOP-DW01A_C351410.pdf" (id 3) (at 45.72 43.18 0)
+    (property "Datasheet" "~" (id 3) (at 30.48 87.63 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (pin "1" (uuid 6e8e9481-a2a9-40c2-808b-54e92e4a910f))
+    (pin "2" (uuid 087f93ef-e75a-4783-b093-6852e8431d5c))
+  )
+
+  (symbol (lib_id "Regulator_Linear:RT9193") (at 83.82 55.88 0) (unit 1)
+    (in_bom yes) (on_board yes) (fields_autoplaced)
+    (uuid 47d72515-b56e-4b13-a8e0-c1f3819484ba)
+    (property "Reference" "U?" (id 0) (at 83.82 43.18 0))
+    (property "Value" "RT9193" (id 1) (at 83.82 45.72 0))
+    (property "Footprint" "Package_TO_SOT_SMD:SOT-23-5" (id 2) (at 83.82 55.88 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Datasheet" "https://www.richtek.com/assets/product_file/RT9193/DS9193-18.pdf" (id 3) (at 83.82 48.26 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (pin "1" (uuid 97d3995f-bb41-4d30-b0bf-9098364280b3))
+    (pin "2" (uuid aab050cf-d9ff-443c-9d47-4a8184ce4224))
+    (pin "3" (uuid 1518c66c-b11c-4c58-bc5a-fb6477868c42))
+    (pin "4" (uuid e4904e9e-ae23-4da7-ae3a-56abe32b5d61))
+    (pin "5" (uuid be0dba95-266e-41f4-8275-5c18a8bcde07))
+  )
+
+  (symbol (lib_id "74xGxx:74LVC1G00") (at 114.3 27.94 0) (unit 1)
+    (in_bom yes) (on_board yes) (fields_autoplaced)
+    (uuid 68d52002-0267-4c54-add9-577ef0830b90)
+    (property "Reference" "U?" (id 0) (at 113.665 20.32 0))
+    (property "Value" "74LVC1G00" (id 1) (at 113.665 22.86 0))
+    (property "Footprint" "Package_TO_SOT_SMD:SOT-23-5" (id 2) (at 114.3 27.94 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Datasheet" "http://www.ti.com/lit/sg/scyt129e/scyt129e.pdf" (id 3) (at 114.3 27.94 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (pin "1" (uuid dddecde2-5c92-4b0f-be33-0ae6754857bf))
+    (pin "2" (uuid ad365edb-8beb-4e89-8a09-88c4b77dba03))
+    (pin "3" (uuid e269ccde-a42e-4598-b087-6eaa0106cfdb))
+    (pin "4" (uuid 4df47aa3-8cc7-459f-9534-e54e8057ee68))
+    (pin "5" (uuid c4f06a9e-db15-488e-a41c-6124e4542473))
+  )
+
+  (symbol (lib_id "Battery_Management:DW01A") (at 34.29 35.56 0) (unit 1)
+    (in_bom yes) (on_board yes) (fields_autoplaced)
+    (uuid 6c841fe1-02e6-4e5a-948f-63df9424f3c9)
+    (property "Reference" "U2" (id 0) (at 34.29 25.4 0))
+    (property "Value" "DW01A" (id 1) (at 34.29 27.94 0))
+    (property "Footprint" "Package_TO_SOT_SMD:SOT-23-6" (id 2) (at 34.29 35.56 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Datasheet" "https://datasheet.lcsc.com/szlcsc/1901091236_PUOLOP-DW01A_C351410.pdf" (id 3) (at 34.29 35.56 0)
       (effects (font (size 1.27 1.27)) hide)
     )
     (pin "1" (uuid 5f7d314e-71d8-41fd-b242-212fcdae8f77))
@@ -633,19 +988,19 @@
     (pin "6" (uuid 36dc34e0-08f1-44ec-a67e-f37cdc7cf74c))
   )
 
-  (symbol (lib_id "Sensor_Pressure:BMP280") (at 87.63 31.75 0) (unit 1)
+  (symbol (lib_id "Sensor_Pressure:BMP280") (at 151.13 40.64 0) (unit 1)
     (in_bom yes) (on_board yes) (fields_autoplaced)
     (uuid 99b85de9-5717-4145-9c3c-3899f134a779)
-    (property "Reference" "U5" (id 0) (at 93.98 29.2099 0)
+    (property "Reference" "U5" (id 0) (at 157.48 38.0999 0)
       (effects (font (size 1.27 1.27)) (justify left))
     )
-    (property "Value" "BMP280" (id 1) (at 93.98 31.7499 0)
+    (property "Value" "BMP280" (id 1) (at 157.48 40.6399 0)
       (effects (font (size 1.27 1.27)) (justify left))
     )
-    (property "Footprint" "Package_LGA:Bosch_LGA-8_2x2.5mm_P0.65mm_ClockwisePinNumbering" (id 2) (at 87.63 49.53 0)
+    (property "Footprint" "Package_LGA:Bosch_LGA-8_2x2.5mm_P0.65mm_ClockwisePinNumbering" (id 2) (at 151.13 58.42 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "Datasheet" "https://ae-bst.resource.bosch.com/media/_tech/media/datasheets/BST-BMP280-DS001.pdf" (id 3) (at 87.63 31.75 0)
+    (property "Datasheet" "https://ae-bst.resource.bosch.com/media/_tech/media/datasheets/BST-BMP280-DS001.pdf" (id 3) (at 151.13 40.64 0)
       (effects (font (size 1.27 1.27)) hide)
     )
     (pin "1" (uuid b48979d6-5b19-4475-a24b-f74e54f5c5f4))
@@ -658,15 +1013,15 @@
     (pin "8" (uuid 771ad6f8-48bf-4bb0-be1d-432cbc6dbf45))
   )
 
-  (symbol (lib_id "Regulator_Linear:RT9013") (at 71.12 59.69 0) (unit 1)
+  (symbol (lib_id "Regulator_Linear:RT9013") (at 64.77 34.29 0) (unit 1)
     (in_bom yes) (on_board yes) (fields_autoplaced)
     (uuid c16b91e8-444e-47ce-972f-a57be381260d)
-    (property "Reference" "U4" (id 0) (at 71.12 46.99 0))
+    (property "Reference" "U4" (id 0) (at 64.77 21.59 0))
-    (property "Value" "RT9013" (id 1) (at 71.12 49.53 0))
+    (property "Value" "RT9013" (id 1) (at 64.77 24.13 0))
-    (property "Footprint" "Package_TO_SOT_SMD:SOT-23-5" (id 2) (at 71.12 59.69 0)
+    (property "Footprint" "Package_TO_SOT_SMD:SOT-23-5" (id 2) (at 64.77 34.29 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "Datasheet" "https://www.richtek.com/assets/product_file/RT9013/DS9013-10.pdf" (id 3) (at 71.12 52.07 0)
+    (property "Datasheet" "https://www.richtek.com/assets/product_file/RT9013/DS9013-10.pdf" (id 3) (at 64.77 26.67 0)
       (effects (font (size 1.27 1.27)) hide)
     )
     (pin "1" (uuid a744609f-dbca-448d-a02c-036acf2bc27b))
@@ -676,11 +1031,58 @@
     (pin "5" (uuid 48f894f6-e509-4472-a43d-0f6e43abfd65))
   )
 
+  (symbol (lib_id "Device:Crystal_GND24") (at 165.1 68.58 0) (unit 1)
+    (in_bom yes) (on_board yes) (fields_autoplaced)
+    (uuid d1ff1000-4a92-416e-b97f-faffd07ddb73)
+    (property "Reference" "Y?" (id 0) (at 176.53 64.9986 0))
+    (property "Value" "Crystal_GND24" (id 1) (at 176.53 67.5386 0))
+    (property "Footprint" "" (id 2) (at 165.1 68.58 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Datasheet" "~" (id 3) (at 165.1 68.58 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (pin "1" (uuid c486a703-e663-4c42-aa5a-a49ec8f51f20))
+    (pin "2" (uuid 609832fe-e178-428d-bb69-b7d2323e1298))
+    (pin "3" (uuid 4f6f1c7e-51b5-494c-9d92-faa9ae0f47df))
+    (pin "4" (uuid 7066221d-e9d9-4ebd-82d6-ac02dd48ded3))
+  )
+
+  (symbol (lib_id "Interface_USB:CH340E") (at 200.66 39.37 0) (unit 1)
+    (in_bom yes) (on_board yes) (fields_autoplaced)
+    (uuid ff718db6-e7ac-4a47-b795-ffe483381b3a)
+    (property "Reference" "U?" (id 0) (at 202.6794 54.61 0)
+      (effects (font (size 1.27 1.27)) (justify left))
+    )
+    (property "Value" "CH340E" (id 1) (at 202.6794 57.15 0)
+      (effects (font (size 1.27 1.27)) (justify left))
+    )
+    (property "Footprint" "Package_SO:MSOP-10_3x3mm_P0.5mm" (id 2) (at 201.93 53.34 0)
+      (effects (font (size 1.27 1.27)) (justify left) hide)
+    )
+    (property "Datasheet" "https://www.mpja.com/download/35227cpdata.pdf" (id 3) (at 191.77 19.05 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (pin "1" (uuid 93c502c8-3a08-42fd-8fd2-fc674ff809e1))
+    (pin "10" (uuid 6a1e70dc-befb-4246-85cf-44fbbdcb1392))
+    (pin "2" (uuid 1a2ac047-40ef-43fb-873f-d54dc5630b97))
+    (pin "3" (uuid 53670705-73ea-4835-a984-d04a5a564dd0))
+    (pin "4" (uuid 3f91dd96-0642-436d-a684-baaf22bb5569))
+    (pin "5" (uuid 1841379e-b2fa-40b1-b6a4-054f6d454c8f))
+    (pin "6" (uuid 29a69b15-3a2a-4f2d-9cd7-fdd5935b9eac))
+    (pin "7" (uuid 74391d3f-a1a4-4215-b42b-796001a9f43d))
+    (pin "8" (uuid 264e67a2-c2f0-43a0-bd28-555c1db79565))
+    (pin "9" (uuid d19da018-944e-406a-8f43-d10f9ba535c8))
+  )
+
   (sheet_instances
     (path "/" (page "1"))
   )
 
   (symbol_instances
+    (path "/3f4d1e62-5d45-42f0-933b-fa927a34bf13"
+      (reference "J?") (unit 1) (value "Conn_01x02_Male") (footprint "")
+    )
     (path "/2fffd4f3-7c29-4a40-8650-c573f089b457"
       (reference "U1") (unit 1) (value "FS8205A") (footprint "Package_TO_SOT_SMD:SOT-23-6")
     )
@@ -702,5 +1104,17 @@
     (path "/1053b000-396c-4c5e-9a58-e1edc066fac5"
       (reference "U?") (unit 1) (value "W800") (footprint "Package_DFN_QFN:QFN-32-1EP_4x4mm_P0.4mm_EP2.9x2.9mm_ThermalVias")
     )
+    (path "/47d72515-b56e-4b13-a8e0-c1f3819484ba"
+      (reference "U?") (unit 1) (value "RT9193") (footprint "Package_TO_SOT_SMD:SOT-23-5")
+    )
+    (path "/68d52002-0267-4c54-add9-577ef0830b90"
+      (reference "U?") (unit 1) (value "74LVC1G00") (footprint "Package_TO_SOT_SMD:SOT-23-5")
+    )
+    (path "/ff718db6-e7ac-4a47-b795-ffe483381b3a"
+      (reference "U?") (unit 1) (value "CH340E") (footprint "Package_SO:MSOP-10_3x3mm_P0.5mm")
+    )
+    (path "/d1ff1000-4a92-416e-b97f-faffd07ddb73"
+      (reference "Y?") (unit 1) (value "Crystal_GND24") (footprint "")
+    )
   )
 )