COMM: Create possibilty of switching between two battery

.gitignore

@@ -1,15 +1,2 @@
 About_me.md
-modules/Communication/comm-backups/comm-2021-09-02_204206.zip
-modules/Communication/comm-backups/comm-2021-09-02_205039.zip
-modules/Communication/comm-backups/comm-2021-09-02_210753.zip
-modules/Communication/comm-backups/comm-2021-09-04_210257.zip
-modules/Communication/comm-backups/comm-2021-09-04_211801.zip
-modules/Communication/comm-backups/comm-2021-09-04_212304.zip
-modules/Communication/comm-backups/comm-2021-09-04_212942.zip
-modules/Communication/comm-backups/comm-2021-09-04_221648.zip
-modules/Communication/comm-backups/comm-2021-09-05_123151.zip
-modules/Communication/comm-backups/comm-2021-09-05_212516.zip
-modules/Communication/comm-backups/comm-2021-09-05_213852.zip
-modules/Communication/comm-backups/comm-2021-09-05_214615.zip
-modules/Communication/comm-backups/comm-2021-09-05_215124.zip
-modules/Communication/comm-backups/comm-2021-09-05_220926.zip
+modules/Communication/comm-backups

modules/Communication/Stack_connector.kicad_sch

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     (effects (font (size 1.27 1.27)) (justify left))
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   )
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     (effects (font (size 1.27 1.27)) (justify left))
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   )
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+    (uuid 78d4c077-ee5e-495b-aeb6-e333cef8dfe6)
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   (hierarchical_label "EPS#2_1V8" (shape input) (at 152.4 110.49 0)
     (effects (font (size 1.27 1.27)) (justify left))
     (uuid a1b815ab-314f-4c61-b96c-1e19f75525a3)

modules/Communication/battSwitch.kicad_sch

@@ -0,0 +1,457 @@
+(kicad_sch (version 20210621) (generator eeschema)
+
+  (uuid a4613bd3-102e-4456-ab4f-5adcc36942d4)
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+    (in_bom yes) (on_board yes)
+    (uuid a9384195-1737-4983-9989-a78383bb8645)
+    (property "Reference" "R?" (id 0) (at 61.595 62.23 90))
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+  )
+
+  (symbol (lib_id "Amplifier_Operational:TLV172IDCK") (at 61.595 43.18 0) (unit 1)
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+    (uuid 3ed63a54-f90b-486a-a926-491ab3eac668)
+    (property "Reference" "U?" (id 0) (at 67.945 38.7349 0)
+      (effects (font (size 1.27 1.27)) (justify left))
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+      (effects (font (size 1.27 1.27)) hide)
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+    (uuid dfe84c23-724a-48a4-ab09-8dd0b9b44ba3)
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+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (pin "1" (uuid edb307b3-669b-4378-9af1-4d4dbb07ae99))
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+    (pin "8" (uuid ae694c39-8cbd-4b8c-a084-b28fa4124a50))
+  )
+)

modules/Communication/calc.ipynb

@@ -0,0 +1,66 @@
+{
+ "metadata": {
+  "language_info": {
+   "codemirror_mode": {
+    "name": "ipython",
+    "version": 3
+   },
+   "file_extension": ".py",
+   "mimetype": "text/x-python",
+   "name": "python",
+   "nbconvert_exporter": "python",
+   "pygments_lexer": "ipython3",
+   "version": "3.9.7"
+  },
+  "orig_nbformat": 4,
+  "kernelspec": {
+   "name": "python3",
+   "display_name": "Python 3.9.7 64-bit"
+  },
+  "interpreter": {
+   "hash": "c7df07ecfb874d96581378ee2edfb0abd56d9de008e1391e0ed3612e4e80d4b7"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 2,
+ "cells": [
+  {
+   "cell_type": "code",
+   "execution_count": 11,
+   "source": [
+    "# Battery voltage comparator with histerezes\r\n",
+    "\r\n",
+    "\r\n",
+    "supply_voltage = 3.3\r\n",
+    "reference_voltage = 3\r\n",
+    "\r\n",
+    "R1 = 50000\r\n",
+    "R2 = 330000\r\n",
+    "\r\n",
+    "Vin_High = R1 * (reference_voltage / R2) + reference_voltage \r\n",
+    "\r\n",
+    "print(\"Voltage switch to high: {}V\".format(round(Vin_High,2)))\r\n",
+    "\r\n",
+    "Vin_Low = (reference_voltage*(R1+R2) - supply_voltage * R1) / R2\r\n",
+    "\r\n",
+    "print(\"Voltage switch to low: {}V\".format(round(Vin_Low,2)))\r\n",
+    "\r\n",
+    "Vin_delta = supply_voltage * (R1/R2)\r\n",
+    "\r\n",
+    "print(\"Voltage delta: {}V\".format(round(Vin_delta,2)))\r\n"
+   ],
+   "outputs": [
+    {
+     "output_type": "stream",
+     "name": "stdout",
+     "text": [
+      "Voltage switch to high: 3.45V\n",
+      "Voltage switch to low: 2.95V\n",
+      "Voltage delta: 0.5V\n"
+     ]
+    }
+   ],
+   "metadata": {}
+  }
+ ]
+}

modules/Communication/comm.bak

@@ -0,0 +1,225 @@
+(kicad_symbol_lib (version 20210619) (generator kicad_symbol_editor)
+  (symbol "comm:NEO-8Q" (in_bom yes) (on_board yes)
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+      (effects (font (size 1.27 1.27)))
+    )
+    (property "Value" "NEO-8Q" (id 1) (at 0 -27.94 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)
+    )
+    (symbol "NEO-8Q_0_1"
+      (rectangle (start -12.7 11.43) (end 13.97 -24.13)
+        (stroke (width 0.1524)) (fill (type background))
+      )
+    )
+    (symbol "NEO-8Q_1_1"
+      (pin input line (at 16.51 -21.59 180) (length 2.54)
+        (name "SAFEBOOT_N" (effects (font (size 1.27 1.27))))
+        (number "1" (effects (font (size 1.27 1.27))))
+      )
+      (pin input line (at 16.51 3.81 180) (length 2.54)
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+      )
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+      )
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+      )
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+        (number "8" (effects (font (size 1.27 1.27))))
+      )
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+      )
+    )
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+    )
+    (property "Value" "TPS2116" (id 1) (at 3.81 -8.89 0)
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+    )
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+      )
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+        (name "ST" (effects (font (size 1.27 1.27))))
+        (number "8" (effects (font (size 1.27 1.27))))
+      )
+    )
+  )
+  (symbol "comm:TSP2116" (in_bom yes) (on_board yes)
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+      (effects (font (size 1.27 1.27)))
+    )
+    (property "Value" "TSP2116" (id 1) (at 3.81 -8.89 0)
+      (effects (font (size 1.27 1.27)))
+    )
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+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Datasheet" "" (id 3) (at 3.81 12.7 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (symbol "TSP2116_0_1"
+      (rectangle (start -2.54 11.43) (end 10.16 -6.35)
+        (stroke (width 0.1524)) (fill (type background))
+      )
+    )
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+      (pin input line (at -5.08 7.62 0) (length 2.54)
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+      )
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+        (name "VOUT" (effects (font (size 1.27 1.27))))
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+      )
+      (pin input line (at -5.08 0 0) (length 2.54)
+        (name "VIN1" (effects (font (size 1.27 1.27))))
+        (number "3" (effects (font (size 1.27 1.27))))
+      )
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+        (name "PR1" (effects (font (size 1.27 1.27))))
+        (number "4" (effects (font (size 1.27 1.27))))
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+        (name "MODE" (effects (font (size 1.27 1.27))))
+        (number "5" (effects (font (size 1.27 1.27))))
+      )
+      (pin input line (at 12.7 3.81 180) (length 2.54)
+        (name "VIN2" (effects (font (size 1.27 1.27))))
+        (number "6" (effects (font (size 1.27 1.27))))
+      )
+      (pin output line (at 12.7 0 180) (length 2.54)
+        (name "VOUT" (effects (font (size 1.27 1.27))))
+        (number "7" (effects (font (size 1.27 1.27))))
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+        (name "ST" (effects (font (size 1.27 1.27))))
+        (number "8" (effects (font (size 1.27 1.27))))
+      )
+    )
+  )
+)

modules/Communication/comm.kicad_pro

@@ -343,6 +343,10 @@
     [
       "81a5172c-b171-400d-8856-41d6e486bdd1",
       "MCU"
+    ],
+    [
+      "0335b19b-f69a-4698-b41d-d454ea335718",
+      "Battery switch"
     ]
   ],
   "text_variables": {}

modules/Communication/comm.kicad_sch

@@ -7,15 +7,130 @@
   (lib_symbols
   )
 
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+  (junction (at 251.46 69.85) (diameter 1.016) (color 0 0 0 0))
+
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+  )
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+    (stroke (width 0) (type solid) (color 0 0 0 0))
+    (uuid c360cf0f-16e8-4a11-8b4e-d9225f3eb017)
+  )
+  (wire (pts (xy 116.205 62.23) (xy 125.73 62.23))
+    (stroke (width 0) (type solid) (color 0 0 0 0))
+    (uuid 3ba201ae-f1a1-4d5a-909f-894815b63556)
+  )
+  (wire (pts (xy 116.205 99.06) (xy 127.635 99.06))
+    (stroke (width 0) (type solid) (color 0 0 0 0))
+    (uuid c360cf0f-16e8-4a11-8b4e-d9225f3eb017)
+  )
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+    (stroke (width 0) (type solid) (color 0 0 0 0))
+    (uuid c360cf0f-16e8-4a11-8b4e-d9225f3eb017)
+  )
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+    (stroke (width 0) (type solid) (color 0 0 0 0))
+    (uuid c360cf0f-16e8-4a11-8b4e-d9225f3eb017)
+  )
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+    (stroke (width 0) (type solid) (color 0 0 0 0))
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+  )
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+  )
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+  (wire (pts (xy 230.505 57.785) (xy 230.505 69.85))
+    (stroke (width 0) (type solid) (color 0 0 0 0))
+    (uuid 6127fa5b-bd42-46e2-893f-40557fadf666)
+  )
+  (wire (pts (xy 230.505 69.85) (xy 251.46 69.85))
+    (stroke (width 0) (type solid) (color 0 0 0 0))
+    (uuid 6127fa5b-bd42-46e2-893f-40557fadf666)
+  )
+  (wire (pts (xy 230.505 72.39) (xy 230.505 74.93))
+    (stroke (width 0) (type solid) (color 0 0 0 0))
+    (uuid b3e0b959-4139-4fec-adef-745609e7b9db)
+  )
+  (wire (pts (xy 230.505 74.93) (xy 251.46 74.93))
+    (stroke (width 0) (type solid) (color 0 0 0 0))
+    (uuid b3e0b959-4139-4fec-adef-745609e7b9db)
+  )
+  (wire (pts (xy 232.41 54.61) (xy 209.55 54.61))
+    (stroke (width 0) (type solid) (color 0 0 0 0))
+    (uuid c566d666-4fa1-4465-9686-c252afadf3a0)
+  )
+  (wire (pts (xy 232.41 58.42) (xy 232.41 54.61))
+    (stroke (width 0) (type solid) (color 0 0 0 0))
+    (uuid c566d666-4fa1-4465-9686-c252afadf3a0)
+  )
+  (wire (pts (xy 251.46 58.42) (xy 232.41 58.42))
+    (stroke (width 0) (type solid) (color 0 0 0 0))
+    (uuid c566d666-4fa1-4465-9686-c252afadf3a0)
+  )
+  (wire (pts (xy 251.46 63.5) (xy 222.25 63.5))
+    (stroke (width 0) (type solid) (color 0 0 0 0))
+    (uuid 7a8e26d3-e367-476d-8a1e-eed84c5b62d5)
+  )
+  (wire (pts (xy 251.46 69.85) (xy 252.095 69.85))
+    (stroke (width 0) (type solid) (color 0 0 0 0))
+    (uuid 6127fa5b-bd42-46e2-893f-40557fadf666)
+  )
+
+  (sheet (at 179.705 52.07) (size 29.845 22.225) (fields_autoplaced)
+    (stroke (width 0.1524) (type solid) (color 0 0 0 0))
+    (fill (color 0 0 0 0.0000))
+    (uuid 0335b19b-f69a-4698-b41d-d454ea335718)
+    (property "Název listu" "Battery switch" (id 0) (at 179.705 51.3584 0)
+      (effects (font (size 1.27 1.27)) (justify left bottom))
+    )
+    (property "Soubor listu" "battSwitch.kicad_sch" (id 1) (at 179.705 74.8796 0)
+      (effects (font (size 1.27 1.27)) (justify left top))
+    )
+    (pin "ESP#1_3V3" input (at 209.55 54.61 0)
+      (effects (font (size 1.27 1.27)) (justify right))
+      (uuid d9645b65-4068-4c22-8fdf-affa35634fc0)
+    )
+    (pin "ESP#2_CHARGE" input (at 209.55 72.39 0)
+      (effects (font (size 1.27 1.27)) (justify right))
+      (uuid f46edcda-da5c-4e5b-a4ce-baecdd6e42b0)
+    )
+    (pin "ESP#1_CHARGE" input (at 209.55 69.215 0)
+      (effects (font (size 1.27 1.27)) (justify right))
+      (uuid ba727413-47ff-4bf2-9e2a-2e8c5103bfd4)
+    )
+    (pin "+3V3 out" input (at 179.705 56.515 180)
+      (effects (font (size 1.27 1.27)) (justify left))
+      (uuid 638c389d-0668-4b9b-8289-6c4a5b6d6066)
+    )
+    (pin "ESP#2_3V3" input (at 209.55 57.785 0)
+      (effects (font (size 1.27 1.27)) (justify right))
+      (uuid 2202b3c6-3c7b-4288-b551-6752a27fbd0e)
+    )
+  )
 
   (sheet (at 127.635 93.345) (size 24.765 15.24) (fields_autoplaced)
     (stroke (width 0.1524) (type solid) (color 0 0 0 0))
     (fill (color 0 0 0 0.0000))
     (uuid 135894dc-6710-4561-8073-567533e9f424)
-    (property "Sheet name" "GPS Module" (id 0) (at 127.635 92.6334 0)
+    (property "Název listu" "GPS Module" (id 0) (at 127.635 92.6334 0)
       (effects (font (size 1.27 1.27)) (justify left bottom))
     )
-    (property "Sheet file" "gps_module.kicad_sch" (id 1) (at 127.635 109.1696 0)
+    (property "Soubor listu" "gps_module.kicad_sch" (id 1) (at 127.635 109.1696 0)
       (effects (font (size 1.27 1.27)) (justify left top))
     )
     (pin "3V3" input (at 127.635 99.06 180)
@@ -44,22 +159,22 @@
     (stroke (width 0.1524) (type solid) (color 0 0 0 0))
     (fill (color 0 0 0 0.0000))
     (uuid a345038c-0e2c-4410-9183-a80a047c8766)
-    (property "Sheet name" "HF Transmitter" (id 0) (at 125.73 126.9234 0)
+    (property "Název listu" "HF Transmitter" (id 0) (at 125.73 126.9234 0)
       (effects (font (size 1.27 1.27)) (justify left bottom))
     )
-    (property "Sheet file" "hf_transmitter.kicad_sch" (id 1) (at 125.73 144.0946 0)
+    (property "Soubor listu" "hf_transmitter.kicad_sch" (id 1) (at 125.73 144.0946 0)
       (effects (font (size 1.27 1.27)) (justify left top))
     )
   )
 
-  (sheet (at 166.37 83.82) (size 33.02 34.29) (fields_autoplaced)
+  (sheet (at 180.34 97.79) (size 33.02 34.29) (fields_autoplaced)
     (stroke (width 0.1524) (type solid) (color 0 0 0 0))
     (fill (color 0 0 0 0.0000))
     (uuid 81a5172c-b171-400d-8856-41d6e486bdd1)
-    (property "Sheet name" "MCU" (id 0) (at 166.37 83.1084 0)
+    (property "Název listu" "MCU" (id 0) (at 180.34 97.0784 0)
       (effects (font (size 1.27 1.27)) (justify left bottom))
     )
-    (property "Sheet file" "mcu_comm.kicad_sch" (id 1) (at 166.37 118.6946 0)
+    (property "Soubor listu" "mcu_comm.kicad_sch" (id 1) (at 180.34 132.6646 0)
       (effects (font (size 1.27 1.27)) (justify left top))
     )
   )
@@ -68,10 +183,10 @@
     (stroke (width 0.1524) (type solid) (color 0 0 0 0))
     (fill (color 0 0 0 0.0000))
     (uuid 829b2795-9702-4633-a078-e2998d6d9402)
-    (property "Sheet name" "OpenLST (Beacon)" (id 0) (at 125.73 52.6284 0)
+    (property "Název listu" "OpenLST (Beacon)" (id 0) (at 125.73 52.6284 0)
       (effects (font (size 1.27 1.27)) (justify left bottom))
     )
-    (property "Sheet file" "OpenLST.kicad_sch" (id 1) (at 125.73 77.4196 0)
+    (property "Soubor listu" "OpenLST.kicad_sch" (id 1) (at 125.73 77.4196 0)
       (effects (font (size 1.27 1.27)) (justify left top))
     )
     (pin "5V" input (at 125.73 66.675 180)
@@ -116,80 +231,88 @@
     )
   )
 
-  (sheet (at 228.6 75.565) (size 16.51 55.88) (fields_autoplaced)
+  (sheet (at 251.46 53.34) (size 16.51 55.88) (fields_autoplaced)
     (stroke (width 0.1524) (type solid) (color 0 0 0 0))
     (fill (color 0 0 0 0.0000))
     (uuid 3006f49f-d72b-4219-8dea-bda42cf88e84)
-    (property "Sheet name" "Stack Connector" (id 0) (at 228.6 74.8534 0)
+    (property "Název listu" "Stack Connector" (id 0) (at 251.46 52.6284 0)
       (effects (font (size 1.27 1.27)) (justify left bottom))
     )
-    (property "Sheet file" "Stack_connector.kicad_sch" (id 1) (at 228.6 132.0296 0)
+    (property "Soubor listu" "Stack_connector.kicad_sch" (id 1) (at 251.46 109.8046 0)
       (effects (font (size 1.27 1.27)) (justify left top))
     )
-    (pin "CAN_H" input (at 228.6 99.695 180)
+    (pin "CAN_H" input (at 251.46 81.28 180)
       (effects (font (size 1.27 1.27)) (justify left))
       (uuid 40b88aca-f462-4f2f-a0bf-d01ccc8111c5)
     )
-    (pin "RS_485_A" input (at 228.6 106.68 180)
+    (pin "RS_485_A" input (at 251.46 84.455 180)
       (effects (font (size 1.27 1.27)) (justify left))
       (uuid 300bdf4c-b7cf-4ea2-af04-063b3c8157a2)
     )
-    (pin "EPS#1_5V" input (at 228.6 78.74 180)
+    (pin "EPS#1_5V" input (at 251.46 55.88 180)
       (effects (font (size 1.27 1.27)) (justify left))
       (uuid deb0a69f-01cc-40ea-bfb5-d5abe6178447)
     )
-    (pin "EPS#1_3V3" input (at 228.6 81.28 180)
+    (pin "EPS#1_3V3" input (at 251.46 58.42 180)
       (effects (font (size 1.27 1.27)) (justify left))
       (uuid 8f350fe4-cfe6-45ee-8c29-71ccfca1b82b)
     )
-    (pin "EPS#1_1V8" input (at 228.6 83.82 180)
+    (pin "EPS#1_1V8" input (at 251.46 60.96 180)
       (effects (font (size 1.27 1.27)) (justify left))
       (uuid faa7de87-d22a-4ad8-9482-a0f4a8d6793d)
     )
-    (pin "CAN_L" input (at 228.6 97.155 180)
+    (pin "CAN_L" input (at 251.46 78.74 180)
       (effects (font (size 1.27 1.27)) (justify left))
       (uuid ad3344f8-871b-4951-ae39-e2ccb0cbb099)
     )
-    (pin "RS_485_~{B}" input (at 228.6 109.22 180)
+    (pin "RS_485_~{B}" input (at 251.46 86.995 180)
       (effects (font (size 1.27 1.27)) (justify left))
       (uuid 1e054749-d55d-4fa9-92e4-fedd8b3be27f)
     )
-    (pin "QSPI_D1" input (at 228.6 115.57 180)
+    (pin "QSPI_D1" input (at 251.46 93.345 180)
       (effects (font (size 1.27 1.27)) (justify left))
       (uuid aba7969b-cdb5-4ef0-ba0c-400112733e6c)
     )
-    (pin "QSPI_SCK" input (at 228.6 127 180)
+    (pin "QSPI_SCK" input (at 251.46 104.775 180)
       (effects (font (size 1.27 1.27)) (justify left))
       (uuid cc033afd-5e7c-454e-815a-d4ca057c4abf)
     )
-    (pin "EPS#2_3V3" input (at 228.6 90.805 180)
+    (pin "EPS#2_3V3" input (at 251.46 69.85 180)
       (effects (font (size 1.27 1.27)) (justify left))
       (uuid bc57d857-eb3c-4468-833f-449ae0fb617b)
     )
-    (pin "EPS#2_5V" input (at 228.6 88.265 180)
+    (pin "EPS#2_5V" input (at 251.46 67.31 180)
       (effects (font (size 1.27 1.27)) (justify left))
       (uuid ac8e3b83-abb2-46af-9c45-678c0ef8180d)
     )
-    (pin "QSPI_CS" input (at 228.6 129.54 180)
+    (pin "QSPI_CS" input (at 251.46 107.315 180)
       (effects (font (size 1.27 1.27)) (justify left))
       (uuid 80b1ce93-afff-4793-b748-45fd77f50d88)
     )
-    (pin "EPS#2_1V8" input (at 228.6 93.345 180)
+    (pin "EPS#2_1V8" input (at 251.46 72.39 180)
       (effects (font (size 1.27 1.27)) (justify left))
       (uuid a2142d81-09a8-408f-80e3-1bf7de4dfc15)
     )
-    (pin "QSPI_D2" input (at 228.6 118.11 180)
+    (pin "QSPI_D2" input (at 251.46 95.885 180)
       (effects (font (size 1.27 1.27)) (justify left))
       (uuid 8b2acdf9-30b1-4886-91b3-11589dafc045)
     )
-    (pin "QSPI_D3" input (at 228.6 120.65 180)
+    (pin "QSPI_D3" input (at 251.46 98.425 180)
       (effects (font (size 1.27 1.27)) (justify left))
       (uuid d8c6c93d-972d-4f67-985d-20054ce88555)
     )
-    (pin "QSPI_D4" input (at 228.6 123.19 180)
+    (pin "QSPI_D4" input (at 251.46 100.965 180)
       (effects (font (size 1.27 1.27)) (justify left))
       (uuid d447a6bb-2cf3-4940-94a7-326bb0cc98b0)
     )
+    (pin "ESP#2_CHARGE" input (at 251.46 74.93 180)
+      (effects (font (size 1.27 1.27)) (justify left))
+      (uuid 15d1c2b5-77c6-4122-a3d5-3b7ea6ebd290)
+    )
+    (pin "ESP#1_CHARGE" input (at 251.46 63.5 180)
+      (effects (font (size 1.27 1.27)) (justify left))
+      (uuid c2662652-3c8b-4086-b517-5fdea53f5242)
+    )
   )
 
   (sheet_instances
@@ -199,6 +322,7 @@
     (path "/135894dc-6710-4561-8073-567533e9f424" (page "4"))
     (path "/a345038c-0e2c-4410-9183-a80a047c8766" (page "5"))
     (path "/81a5172c-b171-400d-8856-41d6e486bdd1" (page "6"))
+    (path "/0335b19b-f69a-4698-b41d-d454ea335718" (page "7"))
   )
 
   (symbol_instances
@@ -382,6 +506,9 @@
     (path "/81a5172c-b171-400d-8856-41d6e486bdd1/4a039799-f170-4b8b-9904-82da89c16c1c"
       (reference "#PWR?") (unit 1) (value "GND") (footprint "")
     )
+    (path "/0335b19b-f69a-4698-b41d-d454ea335718/5edab2b6-9ffb-4ae1-b1f0-54ddc7ce5659"
+      (reference "#PWR?") (unit 1) (value "GND") (footprint "")
+    )
     (path "/81a5172c-b171-400d-8856-41d6e486bdd1/654d2648-5b73-46d2-b3a8-f89598775795"
       (reference "#PWR?") (unit 1) (value "GND") (footprint "")
     )
@@ -391,6 +518,9 @@
     (path "/81a5172c-b171-400d-8856-41d6e486bdd1/854d9771-d53c-47e5-9cb7-e940c58bc2ba"
       (reference "#PWR?") (unit 1) (value "GND") (footprint "")
     )
+    (path "/0335b19b-f69a-4698-b41d-d454ea335718/8f2e9cba-6539-40c4-8553-4b1e6f27056f"
+      (reference "#PWR?") (unit 1) (value "GND") (footprint "")
+    )
     (path "/81a5172c-b171-400d-8856-41d6e486bdd1/91cd8b7e-ad12-4411-bee1-ec36e8521bcf"
       (reference "#PWR?") (unit 1) (value "GND") (footprint "")
     )
@@ -640,9 +770,15 @@
     (path "/81a5172c-b171-400d-8856-41d6e486bdd1/9547ef01-077b-4438-a172-64c2125251f1"
       (reference "R?") (unit 1) (value "1M") (footprint "TCY_passives:R_0603_1608Metric")
     )
+    (path "/0335b19b-f69a-4698-b41d-d454ea335718/a9384195-1737-4983-9989-a78383bb8645"
+      (reference "R?") (unit 1) (value "330k") (footprint "")
+    )
     (path "/81a5172c-b171-400d-8856-41d6e486bdd1/eb6b642d-cd23-4c17-a594-aa495930eca6"
       (reference "R?") (unit 1) (value "100k") (footprint "TCY_passives:R_0603_1608Metric")
     )
+    (path "/0335b19b-f69a-4698-b41d-d454ea335718/fa1153a5-a5fa-4a23-beb6-5d04d6d9feea"
+      (reference "R?") (unit 1) (value "50k") (footprint "")
+    )
     (path "/81a5172c-b171-400d-8856-41d6e486bdd1/fa9e67a5-5f23-49fe-b2f2-a895fb5395c1"
       (reference "SW?") (unit 1) (value "RST_BTN") (footprint "TCY_buttons_switches:KMT031NGJLHS")
     )
@@ -676,12 +812,18 @@
     (path "/81a5172c-b171-400d-8856-41d6e486bdd1/087f685b-381e-416e-877f-21ddb167ba88"
       (reference "U?") (unit 1) (value "STM6822") (footprint "Package_TO_SOT_SMD:SOT-23-5")
     )
+    (path "/0335b19b-f69a-4698-b41d-d454ea335718/3ed63a54-f90b-486a-a926-491ab3eac668"
+      (reference "U?") (unit 1) (value "TVL3691") (footprint "")
+    )
     (path "/81a5172c-b171-400d-8856-41d6e486bdd1/5197f871-6b30-4ae1-9277-13230d2bc5be"
       (reference "U?") (unit 1) (value "STM32L432KCUx") (footprint "Package_DFN_QFN:QFN-32-1EP_5x5mm_P0.5mm_EP3.45x3.45mm")
     )
     (path "/135894dc-6710-4561-8073-567533e9f424/a9077745-053e-4b42-8a30-760f9487663f"
       (reference "U?") (unit 1) (value "NEO-8Q") (footprint "RF_GPS:ublox_NEO")
     )
+    (path "/0335b19b-f69a-4698-b41d-d454ea335718/dfe84c23-724a-48a4-ab09-8dd0b9b44ba3"
+      (reference "U?") (unit 1) (value "TPS2116") (footprint "")
+    )
     (path "/81a5172c-b171-400d-8856-41d6e486bdd1/e9289751-ca4e-4aca-b320-8a1ce3eeef5a"
       (reference "U?") (unit 1) (value "STM6822") (footprint "Package_TO_SOT_SMD:SOT-23-5")
     )

modules/Communication/comm.kicad_sym

@@ -116,4 +116,57 @@
       )
     )
   )
+  (symbol "comm:TPS2116" (in_bom yes) (on_board yes)
+    (property "Reference" "U" (id 0) (at 3.81 12.7 0)
+      (effects (font (size 1.27 1.27)))
+    )
+    (property "Value" "TPS2116" (id 1) (at 3.81 -8.89 0)
+      (effects (font (size 1.27 1.27)))
+    )
+    (property "Footprint" "" (id 2) (at 3.81 12.7 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Datasheet" "" (id 3) (at 3.81 12.7 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (symbol "TPS2116_0_1"
+      (rectangle (start -2.54 11.43) (end 10.16 -6.35)
+        (stroke (width 0.1524)) (fill (type background))
+      )
+    )
+    (symbol "TPS2116_1_1"
+      (pin input line (at -5.08 7.62 0) (length 2.54)
+        (name "GND" (effects (font (size 1.27 1.27))))
+        (number "1" (effects (font (size 1.27 1.27))))
+      )
+      (pin output line (at -5.08 3.81 0) (length 2.54)
+        (name "VOUT" (effects (font (size 1.27 1.27))))
+        (number "2" (effects (font (size 1.27 1.27))))
+      )
+      (pin input line (at -5.08 0 0) (length 2.54)
+        (name "VIN1" (effects (font (size 1.27 1.27))))
+        (number "3" (effects (font (size 1.27 1.27))))
+      )
+      (pin input line (at -5.08 -3.81 0) (length 2.54)
+        (name "PR1" (effects (font (size 1.27 1.27))))
+        (number "4" (effects (font (size 1.27 1.27))))
+      )
+      (pin input line (at 12.7 7.62 180) (length 2.54)
+        (name "MODE" (effects (font (size 1.27 1.27))))
+        (number "5" (effects (font (size 1.27 1.27))))
+      )
+      (pin input line (at 12.7 3.81 180) (length 2.54)
+        (name "VIN2" (effects (font (size 1.27 1.27))))
+        (number "6" (effects (font (size 1.27 1.27))))
+      )
+      (pin output line (at 12.7 0 180) (length 2.54)
+        (name "VOUT" (effects (font (size 1.27 1.27))))
+        (number "7" (effects (font (size 1.27 1.27))))
+      )
+      (pin output line (at 12.7 -3.81 180) (length 2.54)
+        (name "ST" (effects (font (size 1.27 1.27))))
+        (number "8" (effects (font (size 1.27 1.27))))
+      )
+    )
+  )
 )

modules/Communication/sym-lib-table

@@ -0,0 +1,3 @@
+(sym_lib_table
+  (lib (name "comm")(type "KiCad")(uri "${KIPRJMOD}/comm.kicad_sym")(options "")(descr ""))
+)