rewired components to other ESP32 pins

- fixes issue with ADC2 that can't be used at the same time as wifi
- needs only three 1x4 connectors for the ESP32 module
- all ESP32 unused pins are easily available on the PCB for future extensions
- however, non-default pins are now used for I2C (and if needed in the future, SPI will use non-default pins as well)

schema/MCU_board/MCU_board.kicad_sch

@@ -265,20 +265,20 @@
           (stroke (width 0.1524) (type default) (color 0 0 0 0))
           (fill (type none))
         )
-        (pin power_in line (at -5.08 2.54 0) (length 3.81)
-          (name "VCC" (effects (font (size 1.27 1.27))))
+        (pin bidirectional line (at -5.08 2.54 0) (length 3.81)
+          (name "SDA" (effects (font (size 1.27 1.27))))
           (number "1" (effects (font (size 1.27 1.27))))
         )
         (pin power_in line (at -5.08 0 0) (length 3.81)
-          (name "GND" (effects (font (size 1.27 1.27))))
+          (name "VCC" (effects (font (size 1.27 1.27))))
           (number "2" (effects (font (size 1.27 1.27))))
         )
         (pin input line (at -5.08 -2.54 0) (length 3.81)
           (name "SCL" (effects (font (size 1.27 1.27))))
           (number "3" (effects (font (size 1.27 1.27))))
         )
-        (pin bidirectional line (at -5.08 -5.08 0) (length 3.81)
-          (name "SDA" (effects (font (size 1.27 1.27))))
+        (pin power_in line (at -5.08 -5.08 0) (length 3.81)
+          (name "GND" (effects (font (size 1.27 1.27))))
           (number "4" (effects (font (size 1.27 1.27))))
         )
       )
@@ -582,42 +582,32 @@
     )
   )
 
-  (junction (at 53.34 102.87) (diameter 0) (color 0 0 0 0)
-    (uuid 27517674-3899-406c-8c40-e091b6e4ffd3)
+  (junction (at 49.53 93.98) (diameter 0) (color 0 0 0 0)
+    (uuid 128b4d33-12af-48f8-bda0-d35beb0d0569)
   )
-  (junction (at 115.57 105.41) (diameter 0) (color 0 0 0 0)
-    (uuid 461cebeb-e8ff-423a-a4e7-49a6cefc3ace)
+  (junction (at 49.53 48.26) (diameter 0) (color 0 0 0 0)
+    (uuid 433a294d-a56b-4b5e-a0a5-384b7937fd99)
+  )
+  (junction (at 43.18 114.3) (diameter 0) (color 0 0 0 0)
+    (uuid 679b4060-dcb4-461d-9c1b-6310a37d2c8b)
   )
   (junction (at 49.53 100.33) (diameter 0) (color 0 0 0 0)
     (uuid 8b76649d-7fed-4f0e-a7b1-ddc035221d62)
   )
-  (junction (at 125.73 73.66) (diameter 0) (color 0 0 0 0)
-    (uuid 99d8aa09-c585-4c28-82d2-b324c693e915)
-  )
-  (junction (at 115.57 83.82) (diameter 0) (color 0 0 0 0)
-    (uuid bcf02e25-4cfa-4dcc-ae74-87e763d401b4)
-  )
-  (junction (at 49.53 111.76) (diameter 0) (color 0 0 0 0)
-    (uuid deff8478-7168-4f2f-9cfb-82144cda7152)
-  )
-  (junction (at 115.57 100.33) (diameter 0) (color 0 0 0 0)
-    (uuid e248f803-0ac5-4812-9a07-939de253d545)
+  (junction (at 49.53 69.85) (diameter 0) (color 0 0 0 0)
+    (uuid 95ffd3f8-cc4e-49e8-a469-fe0ef795ac79)
   )
 
-  (no_connect (at 104.14 97.79) (uuid 7a036c8b-424e-4cd3-9042-9dd09fe44aa6))
+  (no_connect (at 104.14 92.71) (uuid 42e27ade-eeba-4263-a787-39f108a3f5bf))
   (no_connect (at 104.14 90.17) (uuid 7a036c8b-424e-4cd3-9042-9dd09fe44aa7))
   (no_connect (at 104.14 87.63) (uuid 7a036c8b-424e-4cd3-9042-9dd09fe44aa8))
-  (no_connect (at 55.88 69.85) (uuid 7a036c8b-424e-4cd3-9042-9dd09fe44aa9))
-  (no_connect (at 55.88 72.39) (uuid 7a036c8b-424e-4cd3-9042-9dd09fe44aaa))
   (no_connect (at 104.14 85.09) (uuid 7a036c8b-424e-4cd3-9042-9dd09fe44aab))
   (no_connect (at 104.14 67.31) (uuid 7a036c8b-424e-4cd3-9042-9dd09fe44aad))
-  (no_connect (at 137.16 55.88) (uuid 7a036c8b-424e-4cd3-9042-9dd09fe44aae))
   (no_connect (at 55.88 82.55) (uuid 7a036c8b-424e-4cd3-9042-9dd09fe44aaf))
   (no_connect (at 55.88 85.09) (uuid 7a036c8b-424e-4cd3-9042-9dd09fe44ab0))
   (no_connect (at 55.88 87.63) (uuid 7a036c8b-424e-4cd3-9042-9dd09fe44ab1))
   (no_connect (at 55.88 92.71) (uuid 7a036c8b-424e-4cd3-9042-9dd09fe44ab3))
   (no_connect (at 55.88 95.25) (uuid 7a036c8b-424e-4cd3-9042-9dd09fe44ab4))
-  (no_connect (at 55.88 97.79) (uuid 7a036c8b-424e-4cd3-9042-9dd09fe44ab5))
   (no_connect (at 55.88 67.31) (uuid 7a036c8b-424e-4cd3-9042-9dd09fe44abb))
   (no_connect (at 55.88 74.93) (uuid 7a036c8b-424e-4cd3-9042-9dd09fe44abc))
   (no_connect (at 55.88 77.47) (uuid 7a036c8b-424e-4cd3-9042-9dd09fe44abd))
@@ -626,195 +616,199 @@
   (no_connect (at 104.14 80.01) (uuid 7a036c8b-424e-4cd3-9042-9dd09fe44ac0))
   (no_connect (at 104.14 74.93) (uuid 7a036c8b-424e-4cd3-9042-9dd09fe44ac2))
   (no_connect (at 104.14 72.39) (uuid 7a036c8b-424e-4cd3-9042-9dd09fe44ac3))
+  (no_connect (at 55.88 90.17) (uuid 88da4feb-5ac5-4c93-8129-1e77912cab38))
+  (no_connect (at 104.14 69.85) (uuid 8df7c71e-685c-43dd-af60-6f9cdc315f85))
+  (no_connect (at 104.14 77.47) (uuid 8df7c71e-685c-43dd-af60-6f9cdc315f85))
+  (no_connect (at 39.37 62.23) (uuid a6b973bf-3c82-4206-bae7-4f835d16d359))
 
-  (wire (pts (xy 118.11 92.71) (xy 118.11 53.34))
+  (wire (pts (xy 120.65 102.87) (xy 116.84 102.87))
     (stroke (width 0) (type default) (color 0 0 0 0))
-    (uuid 09542840-beb2-4d39-b3bd-236f01c4a4cb)
+    (uuid 03bdb3a9-99da-4a9d-b4de-ea5d44c5375d)
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-  (wire (pts (xy 27.94 111.76) (xy 49.53 111.76))
+  (wire (pts (xy 52.07 48.26) (xy 52.07 72.39))
     (stroke (width 0) (type default) (color 0 0 0 0))
-    (uuid 0aa3beed-33f5-4121-ac3c-bfca1445c8a8)
+    (uuid 0a75f629-dc23-4df2-b397-19a4ff553330)
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+  (wire (pts (xy 27.94 111.76) (xy 49.53 111.76))
     (stroke (width 0) (type default) (color 0 0 0 0))
-    (uuid 0b11d19c-a318-447d-9985-e0adc8b38dad)
+    (uuid 0aa3beed-33f5-4121-ac3c-bfca1445c8a8)
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     (stroke (width 0) (type default) (color 0 0 0 0))
-    (uuid 1817cb8e-907a-41a1-b9bc-f019f01aa0d5)
+    (uuid 0b437303-3880-4c2e-936f-36b72f5e5c8c)
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+    (uuid 28de7ab2-5104-44e4-a384-a70b203c9561)
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-  (symbol (lib_id "vehicle-monitor:Conn_battery") (at 142.24 71.12 0) (unit 1)
+  (symbol (lib_id "vehicle-monitor:Conn_battery") (at 35.56 38.1 180) (unit 1)
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     (uuid 013b7fe0-c393-480f-8f21-7b7e62b335e8)
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       (effects (font (size 1.27 1.27)) (justify left))
     )
-    (property "Value" "Conn_battery" (id 1) (at 140.97 76.2 0)
+    (property "Value" "Conn_battery" (id 1) (at 36.83 33.02 0)
       (effects (font (size 1.27 1.27)) (justify left))
     )
-    (property "Footprint" "Connector_PinHeader_2.54mm:PinHeader_1x01_P2.54mm_Vertical" (id 2) (at 142.24 71.12 0)
+    (property "Footprint" "Connector_PinHeader_2.54mm:PinHeader_1x01_P2.54mm_Vertical" (id 2) (at 35.56 38.1 0)
       (effects (font (size 1.27 1.27)) hide)
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+    (property "Datasheet" "~" (id 3) (at 35.56 38.1 0)
       (effects (font (size 1.27 1.27)) hide)
     )
     (pin "1" (uuid 29ba9586-c26f-4607-977c-dcfce12c2b9e))
   )
 
-  (symbol (lib_id "vehicle-monitor:Conn_speed_sensor") (at 33.02 92.71 180) (unit 1)
+  (symbol (lib_id "vehicle-monitor:Conn_speed_sensor") (at 33.02 93.98 180) (unit 1)
     (in_bom yes) (on_board yes)
     (uuid 5146355b-d187-42d7-bcfd-5946aeb905a6)
-    (property "Reference" "J5" (id 0) (at 35.56 95.25 0)
+    (property "Reference" "J5" (id 0) (at 35.56 96.52 0)
       (effects (font (size 1.27 1.27)) (justify left))
     )
-    (property "Value" "Conn_speed_sensor" (id 1) (at 36.83 87.63 0)
+    (property "Value" "Conn_speed_sensor" (id 1) (at 36.83 88.9 0)
       (effects (font (size 1.27 1.27)) (justify left))
     )
-    (property "Footprint" "Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical" (id 2) (at 33.02 92.71 0)
+    (property "Footprint" "Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical" (id 2) (at 33.02 93.98 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "Datasheet" "~" (id 3) (at 33.02 92.71 0)
+    (property "Datasheet" "~" (id 3) (at 33.02 93.98 0)
       (effects (font (size 1.27 1.27)) hide)
     )
     (pin "1" (uuid b6822d6e-e847-4666-8fcd-d0e406d1e2da))
@@ -836,19 +830,19 @@
     (pin "2" (uuid 052acc87-8ff9-4162-8f55-f7121d221d0a))
   )
 
-  (symbol (lib_id "vehicle-monitor:Conn_I2C") (at 140.97 105.41 0) (unit 1)
+  (symbol (lib_id "vehicle-monitor:Conn_I2C") (at 125.73 100.33 0) (unit 1)
     (in_bom yes) (on_board yes)
     (uuid 68d48ad4-88ad-4719-bd22-02147a9c50c3)
-    (property "Reference" "J4" (id 0) (at 138.43 100.33 0)
+    (property "Reference" "J4" (id 0) (at 123.19 95.25 0)
       (effects (font (size 1.27 1.27)) (justify left))
     )
-    (property "Value" "Conn_I2C" (id 1) (at 137.16 113.03 0)
+    (property "Value" "Conn_I2C" (id 1) (at 121.92 107.95 0)
       (effects (font (size 1.27 1.27)) (justify left))
     )
-    (property "Footprint" "Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical" (id 2) (at 140.97 105.41 0)
+    (property "Footprint" "Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical" (id 2) (at 125.73 100.33 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "Datasheet" "~" (id 3) (at 140.97 105.41 0)
+    (property "Datasheet" "~" (id 3) (at 125.73 100.33 0)
       (effects (font (size 1.27 1.27)) hide)
     )
     (pin "1" (uuid 59d779a5-8a3b-4c40-8b2c-9d00c3edb847))
@@ -857,38 +851,38 @@
     (pin "4" (uuid 0995148b-a972-4564-8d50-aefbef2d904d))
   )
 
-  (symbol (lib_id "Device:R") (at 125.73 80.01 0) (unit 1)
+  (symbol (lib_id "Device:R") (at 49.53 54.61 0) (unit 1)
     (in_bom yes) (on_board yes)
     (uuid 7e7b48e4-998f-4cd0-8159-bed4f4488c89)
-    (property "Reference" "R2" (id 0) (at 128.27 78.7399 0)
+    (property "Reference" "R2" (id 0) (at 45.72 54.61 0)
       (effects (font (size 1.27 1.27)) (justify left))
     )
-    (property "Value" "12K" (id 1) (at 125.73 82.55 90)
+    (property "Value" "12K" (id 1) (at 49.53 57.15 90)
       (effects (font (size 1.27 1.27)) (justify left))
     )
-    (property "Footprint" "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" (id 2) (at 123.952 80.01 90)
+    (property "Footprint" "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" (id 2) (at 47.752 54.61 90)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "Datasheet" "~" (id 3) (at 125.73 80.01 0)
+    (property "Datasheet" "~" (id 3) (at 49.53 54.61 0)
       (effects (font (size 1.27 1.27)) hide)
     )
     (pin "1" (uuid 3a85b0f1-31df-4a28-b140-69cc63d8cd35))
     (pin "2" (uuid 9cc07fe6-52e7-4494-9efb-f758c6f40612))
   )
 
-  (symbol (lib_id "vehicle-monitor:Conn_HSTS016L") (at 142.24 50.8 0) (unit 1)
+  (symbol (lib_id "vehicle-monitor:Conn_HSTS016L") (at 34.29 67.31 180) (unit 1)
     (in_bom yes) (on_board yes)
     (uuid 9b0c1c36-20df-4c06-9ad3-2271ca2f63a2)
-    (property "Reference" "J2" (id 0) (at 147.32 50.8 0)
+    (property "Reference" "J2" (id 0) (at 29.21 67.31 0)
       (effects (font (size 1.27 1.27)) (justify left))
     )
-    (property "Value" "Conn_HSTS016L" (id 1) (at 147.32 53.34 0)
+    (property "Value" "Conn_HSTS016L" (id 1) (at 29.21 64.77 0)
       (effects (font (size 1.27 1.27)) (justify left))
     )
-    (property "Footprint" "Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical" (id 2) (at 142.24 50.8 0)
+    (property "Footprint" "Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical" (id 2) (at 34.29 67.31 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "Datasheet" "~" (id 3) (at 142.24 50.8 0)
+    (property "Datasheet" "~" (id 3) (at 34.29 67.31 0)
       (effects (font (size 1.27 1.27)) hide)
     )
     (pin "1" (uuid f7e70643-aaa3-482e-9261-4bfb450b0915))
@@ -940,19 +934,19 @@
     (pin "9" (uuid b993e9dc-2262-4c7a-82d2-25b627d983e0))
   )
 
-  (symbol (lib_id "Device:R") (at 125.73 67.31 0) (unit 1)
+  (symbol (lib_id "Device:R") (at 49.53 41.91 0) (unit 1)
     (in_bom yes) (on_board yes)
     (uuid c41a6d44-f99d-4f53-b51c-3b7668c1e7af)
-    (property "Reference" "R1" (id 0) (at 128.27 66.0399 0)
+    (property "Reference" "R1" (id 0) (at 45.72 41.91 0)
       (effects (font (size 1.27 1.27)) (justify left))
     )
-    (property "Value" "180K" (id 1) (at 125.73 69.85 90)
+    (property "Value" "180K" (id 1) (at 49.53 44.45 90)
       (effects (font (size 1.27 1.27)) (justify left))
     )
-    (property "Footprint" "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" (id 2) (at 123.952 67.31 90)
+    (property "Footprint" "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" (id 2) (at 47.752 41.91 90)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "Datasheet" "~" (id 3) (at 125.73 67.31 0)
+    (property "Datasheet" "~" (id 3) (at 49.53 41.91 0)
       (effects (font (size 1.27 1.27)) hide)
     )
     (pin "1" (uuid 6e41df25-5cfa-4b9b-9513-c7afab3a2719))

schema/library/vehicle-monitor.kicad_sym

@@ -248,20 +248,20 @@
         (stroke (width 0.1524) (type default) (color 0 0 0 0))
         (fill (type none))
       )
-      (pin power_in line (at -5.08 2.54 0) (length 3.81)
-        (name "VCC" (effects (font (size 1.27 1.27))))
+      (pin bidirectional line (at -5.08 2.54 0) (length 3.81)
+        (name "SDA" (effects (font (size 1.27 1.27))))
         (number "1" (effects (font (size 1.27 1.27))))
       )
       (pin power_in line (at -5.08 0 0) (length 3.81)
-        (name "GND" (effects (font (size 1.27 1.27))))
+        (name "VCC" (effects (font (size 1.27 1.27))))
         (number "2" (effects (font (size 1.27 1.27))))
       )
       (pin input line (at -5.08 -2.54 0) (length 3.81)
         (name "SCL" (effects (font (size 1.27 1.27))))
         (number "3" (effects (font (size 1.27 1.27))))
       )
-      (pin bidirectional line (at -5.08 -5.08 0) (length 3.81)
-        (name "SDA" (effects (font (size 1.27 1.27))))
+      (pin power_in line (at -5.08 -5.08 0) (length 3.81)
+        (name "GND" (effects (font (size 1.27 1.27))))
         (number "4" (effects (font (size 1.27 1.27))))
       )
     )