Added Keep_Alive power circuit

polygonus-Shortage-Version/#auto_saved_files#

@@ -0,0 +1 @@
+C:\Users\Owner\Documents\GitHub\SkunkWorks\Polygonus\polygonus-Shortage-Version\_autosave-Keep_Alive.kicad_sch

polygonus-Shortage-Version/Keep_Alive.kicad_sch

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+    (property "Datasheet" "http://ww1.microchip.com/downloads/en/DeviceDoc/20005785A.pdf" (id 3) (at 113.03 76.2 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (pin "1" (uuid fdcd2ee8-cc7e-483f-9cdc-5bc067fe9766))
+    (pin "2" (uuid 836488b3-2cc2-4f6f-bd9c-dbe8ad907580))
+    (pin "3" (uuid d07135a8-2dcb-4189-8f33-7f07c0f46951))
+    (pin "4" (uuid eced7d4a-606d-4743-b0d3-d6f431ec3bd4))
+    (pin "5" (uuid 64dfdc24-1b76-4959-8aaa-fbedea41fc90))
+  )
+
+  (symbol (lib_id "power:GND") (at 127 78.74 0) (unit 1)
+    (in_bom yes) (on_board yes) (fields_autoplaced)
+    (uuid 339986c8-4087-467c-b1cc-d915413f866c)
+    (property "Reference" "#PWR09" (id 0) (at 127 85.09 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Value" "GND" (id 1) (at 127 83.82 0))
+    (property "Footprint" "" (id 2) (at 127 78.74 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Datasheet" "" (id 3) (at 127 78.74 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (pin "1" (uuid efa2ad7e-84a6-4c7e-8bfa-80ff1bd3147f))
+  )
+
+  (symbol (lib_id "power:GND") (at 90.17 107.95 0) (unit 1)
+    (in_bom yes) (on_board yes) (fields_autoplaced)
+    (uuid 4b418118-9a44-46bd-bbf9-b8dd607fa509)
+    (property "Reference" "#PWR06" (id 0) (at 90.17 114.3 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Value" "GND" (id 1) (at 90.17 113.03 0))
+    (property "Footprint" "" (id 2) (at 90.17 107.95 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Datasheet" "" (id 3) (at 90.17 107.95 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (pin "1" (uuid cc1f2090-419d-42f8-a961-08be4c240495))
+  )
+
+  (symbol (lib_id "Device:C_Small") (at 127 76.2 180) (unit 1)
+    (in_bom yes) (on_board yes) (fields_autoplaced)
+    (uuid 5cbc2301-d77c-4265-840f-ffcb5df50b22)
+    (property "Reference" "C33" (id 0) (at 129.54 74.9235 0)
+      (effects (font (size 1.27 1.27)) (justify right))
+    )
+    (property "Value" "4.7u" (id 1) (at 129.54 77.4635 0)
+      (effects (font (size 1.27 1.27)) (justify right))
+    )
+    (property "Footprint" "Capacitor_SMD:C_0201_0603Metric" (id 2) (at 127 76.2 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Datasheet" "~" (id 3) (at 127 76.2 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (pin "1" (uuid 0aa57592-36b5-4945-8aeb-10f43e8f7096))
+    (pin "2" (uuid 0cfbe4a1-652a-4a4e-bbc1-0692a7f4a60b))
+  )
+
+  (symbol (lib_id "Diode:1N4148WS") (at 139.7 73.66 180) (unit 1)
+    (in_bom yes) (on_board yes) (fields_autoplaced)
+    (uuid 66496a83-8028-4c5c-a7e0-e19b4586ca05)
+    (property "Reference" "D6" (id 0) (at 139.7 66.6485 0))
+    (property "Value" "1N4148WS" (id 1) (at 139.7 69.1885 0))
+    (property "Footprint" "Diode_SMD:D_SOD-323" (id 2) (at 139.7 69.215 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Datasheet" "https://www.vishay.com/docs/85751/1n4148ws.pdf" (id 3) (at 139.7 73.66 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (pin "1" (uuid 580629d5-7931-4159-9e48-c720ff9abd70))
+    (pin "2" (uuid 304447d3-8ba4-481d-b258-827634d90e22))
+  )
+
+  (symbol (lib_id "power:GND") (at 113.03 83.82 0) (unit 1)
+    (in_bom yes) (on_board yes) (fields_autoplaced)
+    (uuid 7b5d742b-78f7-4bea-b8b4-30c6d50c51bd)
+    (property "Reference" "#PWR08" (id 0) (at 113.03 90.17 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Value" "GND" (id 1) (at 113.03 88.9 0))
+    (property "Footprint" "" (id 2) (at 113.03 83.82 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Datasheet" "" (id 3) (at 113.03 83.82 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (pin "1" (uuid 5d54732e-33d5-4cca-a76b-11a8a1b680d9))
+  )
+
+  (symbol (lib_id "Device:R_Small") (at 77.47 73.66 90) (unit 1)
+    (in_bom yes) (on_board yes)
+    (uuid b4f450ab-b735-476c-8f93-e4551a5b7880)
+    (property "Reference" "R54" (id 0) (at 77.47 76.2 90))
+    (property "Value" "6.8k" (id 1) (at 77.47 78.74 90))
+    (property "Footprint" "Resistor_SMD:R_0402_1005Metric" (id 2) (at 77.47 73.66 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Datasheet" "~" (id 3) (at 77.47 73.66 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (pin "1" (uuid d7ed74dc-8482-47f1-a7ae-0ba2ea6516c4))
+    (pin "2" (uuid 4ecb8a62-61c5-44b1-a68a-a90308ffadc6))
+  )
+
+  (symbol (lib_id "Device:C_Small") (at 105.41 85.09 0) (unit 1)
+    (in_bom yes) (on_board yes)
+    (uuid bb6eb5d1-10bf-4639-a353-af96ffdf880d)
+    (property "Reference" "C32" (id 0) (at 100.33 80.01 0)
+      (effects (font (size 1.27 1.27)) (justify left))
+    )
+    (property "Value" "100n" (id 1) (at 96.52 82.55 0)
+      (effects (font (size 1.27 1.27)) (justify left))
+    )
+    (property "Footprint" "Capacitor_SMD:C_0201_0603Metric" (id 2) (at 105.41 85.09 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Datasheet" "~" (id 3) (at 105.41 85.09 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (pin "1" (uuid 01918563-63ec-4d28-87de-03814b5b3f68))
+    (pin "2" (uuid b6228c56-901b-48c1-a12f-7a09085865ff))
+  )
+
+  (symbol (lib_id "Diode:1N4148WS") (at 71.12 73.66 180) (unit 1)
+    (in_bom yes) (on_board yes) (fields_autoplaced)
+    (uuid db2f74b5-3a9b-454b-a453-16421c0f8cc3)
+    (property "Reference" "D5" (id 0) (at 71.12 66.7482 0))
+    (property "Value" "1N4148WS" (id 1) (at 71.12 69.2882 0))
+    (property "Footprint" "Diode_SMD:D_SOD-323" (id 2) (at 71.12 69.215 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Datasheet" "https://www.vishay.com/docs/85751/1n4148ws.pdf" (id 3) (at 71.12 73.66 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (pin "1" (uuid 73ca5b84-8d8c-4339-9d54-f175de76527f))
+    (pin "2" (uuid ae81615d-3af2-460a-b14d-078c7262c9fa))
+  )
+)

polygonus-Shortage-Version/mcu.kicad_sch

@@ -2667,6 +2667,9 @@
   (junction (at 95.25 90.805) (diameter 0) (color 0 0 0 0)
     (uuid dc4bf440-2891-440b-98cc-4ec7ceadee72)
   )
+  (junction (at 109.22 49.53) (diameter 0) (color 0 0 0 0)
+    (uuid dcd7a4f5-81f1-4c66-bf6c-007156b9c011)
+  )
   (junction (at 139.7 64.77) (diameter 0) (color 0 0 0 0)
     (uuid e0130066-f120-45ab-8ca4-de7cd402c362)
   )
@@ -2723,6 +2726,10 @@
     (stroke (width 0) (type default) (color 0 0 0 0))
     (uuid 0504c604-5989-41d4-98b3-73baf39661a4)
   )
+  (wire (pts (xy 109.22 44.45) (xy 109.22 49.53))
+    (stroke (width 0) (type default) (color 0 0 0 0))
+    (uuid 057c0e5c-27a0-411a-9fa2-de674ecd6591)
+  )
   (wire (pts (xy 55.245 100.33) (xy 100.33 100.33))
     (stroke (width 0) (type default) (color 0 0 0 0))
     (uuid 066893ee-f587-4ad1-a5e3-e3171a7f7252)
@@ -3435,6 +3442,10 @@
     (stroke (width 0) (type default) (color 0 0 0 0))
     (uuid f508a62c-3c21-46de-b321-51b8800cff11)
   )
+  (wire (pts (xy 110.49 44.45) (xy 109.22 44.45))
+    (stroke (width 0) (type default) (color 0 0 0 0))
+    (uuid f7f22235-c777-4f0f-bbdd-a40a1f8e9a5f)
+  )
   (wire (pts (xy 137.16 64.77) (xy 139.7 64.77))
     (stroke (width 0) (type default) (color 0 0 0 0))
     (uuid f84570f0-8f86-40f4-8c85-4d0ad12444b2)
@@ -3958,6 +3969,10 @@
     (effects (font (size 1.27 1.27)) (justify right))
     (uuid ae2d0972-d851-4e32-b78e-a1894c29cfe1)
   )
+  (hierarchical_label "Keep_Alive" (shape input) (at 110.49 44.45 0)
+    (effects (font (size 1.27 1.27)) (justify left))
+    (uuid b34ec3a9-d085-4d3c-b1c3-01fd8e507575)
+  )
   (hierarchical_label "LS16" (shape output) (at 104.14 210.185 180)
     (effects (font (size 1.27 1.27)) (justify right))
     (uuid b4203b01-a27f-440d-ad64-759637213d6e)

polygonus-Shortage-Version/polygonus-Shortage-Version.kicad_pcb

@@ -362,7 +362,7 @@
   (net 291 "/mcu/BARO_SDA")
   (net 292 "/mcu/BARO_SCL")
   (net 293 "/12V_MR")
-  (net 294 "Net-(BT1-Pad1)")
+  (net 294 "/Keep_Alive/Keep_Alive")
   (net 295 "Net-(C30-Pad1)")
   (net 296 "Net-(F102-Pad2)")
   (net 297 "Net-(F101-Pad1)")
@@ -382,6 +382,12 @@
   (net 311 "Net-(C31-Pad1)")
   (net 312 "/mcu/VR_2")
   (net 313 "/mcu/VR_1")
+  (net 314 "Net-(C32-Pad1)")
+  (net 315 "Net-(C33-Pad2)")
+  (net 316 "Net-(D5-Pad1)")
+  (net 317 "/Perm_Live")
+  (net 318 "unconnected-(U27-Pad4)")
+  (net 319 "unconnected-(IC1-Pad2)")
 
   (footprint "Capacitor_SMD:C_0603_1608Metric" (layer "F.Cu")
     (tedit 5F68FEEE) (tstamp 00000000-0000-0000-0000-00005d74e6f9)
@@ -13135,7 +13141,7 @@
     (pad "1" smd rect (at -1.65 0) (size 0.9 1.2) (layers "F.Cu" "F.Paste" "F.Mask")
       (net 295 "Net-(C30-Pad1)") (pinfunction "K") (pintype "passive") (tstamp fdd6e9d5-842b-4505-97ea-eeac8e70a7ee))
     (pad "2" smd rect (at 1.65 0) (size 0.9 1.2) (layers "F.Cu" "F.Paste" "F.Mask")
-      (net 294 "Net-(BT1-Pad1)") (pinfunction "A") (pintype "passive") (tstamp d47d4299-fff2-47b8-80d9-284bd929e1b9))
+      (net 294 "/Keep_Alive/Keep_Alive") (pinfunction "A") (pintype "passive") (tstamp d47d4299-fff2-47b8-80d9-284bd929e1b9))
     (model "${KICAD6_3DMODEL_DIR}/Diode_SMD.3dshapes/D_SOD-123.wrl"
       (offset (xyz 0 0 0))
       (scale (xyz 1 1 1))
@@ -13373,6 +13379,106 @@
     )
   )
 
+  (footprint "Diode_SMD:D_SOD-323" (layer "F.Cu")
+    (tedit 58641739) (tstamp 1489e3e9-2860-4a28-9a2e-414baed452de)
+    (at 89.109396 -64.267788 90)
+    (descr "SOD-323")
+    (tags "SOD-323")
+    (property "Sheetfile" "Keep_Alive.kicad_sch")
+    (property "Sheetname" "Keep_Alive")
+    (path "/46495fed-359e-4c30-808a-9217af090de7/66496a83-8028-4c5c-a7e0-e19b4586ca05")
+    (attr smd)
+    (fp_text reference "D6" (at 0 -1.85 90) (layer "F.SilkS")
+      (effects (font (size 1 1) (thickness 0.15)))
+      (tstamp 5c6e910c-c1bd-4c6d-abc2-7534141f3c0f)
+    )
+    (fp_text value "1N4148WS" (at 0.1 1.9 90) (layer "F.Fab")
+      (effects (font (size 1 1) (thickness 0.15)))
+      (tstamp 4292ec8d-ae48-4e75-a6d5-26363bba1695)
+    )
+    (fp_text user "${REFERENCE}" (at 0 -1.85 90) (layer "F.Fab")
+      (effects (font (size 1 1) (thickness 0.15)))
+      (tstamp 2cf036c0-fe9f-4aae-8871-d8904013e9ea)
+    )
+    (fp_line (start -1.5 0.85) (end 1.05 0.85) (layer "F.SilkS") (width 0.12) (tstamp 955431db-d423-40d9-bc9b-ee90cd25a0ff))
+    (fp_line (start -1.5 -0.85) (end -1.5 0.85) (layer "F.SilkS") (width 0.12) (tstamp b2bd3d92-5e68-46a9-a025-3544b0c5b51c))
+    (fp_line (start -1.5 -0.85) (end 1.05 -0.85) (layer "F.SilkS") (width 0.12) (tstamp b35bde83-1d39-464c-bcbb-7a0bf6cc039c))
+    (fp_line (start 1.6 -0.95) (end 1.6 0.95) (layer "F.CrtYd") (width 0.05) (tstamp 4091af26-16d9-477d-aba1-7ce4360edcc8))
+    (fp_line (start -1.6 -0.95) (end 1.6 -0.95) (layer "F.CrtYd") (width 0.05) (tstamp a9f0334e-ffb0-46f9-a037-a3597a786634))
+    (fp_line (start -1.6 0.95) (end 1.6 0.95) (layer "F.CrtYd") (width 0.05) (tstamp c8a0ee9f-66a6-4aee-be22-88f63122fff4))
+    (fp_line (start -1.6 -0.95) (end -1.6 0.95) (layer "F.CrtYd") (width 0.05) (tstamp f77a719f-d48c-43ed-8d38-298ac7a8e922))
+    (fp_line (start 0.2 0) (end 0.45 0) (layer "F.Fab") (width 0.1) (tstamp 0cf80874-246b-4a2b-bce6-1738777bfbe5))
+    (fp_line (start -0.3 -0.35) (end -0.3 0.35) (layer "F.Fab") (width 0.1) (tstamp 207fda48-3e6f-4e52-95dc-bd8792fd15a9))
+    (fp_line (start -0.9 -0.7) (end 0.9 -0.7) (layer "F.Fab") (width 0.1) (tstamp 49889afa-ee3b-4699-b87f-e4272b315dbd))
+    (fp_line (start -0.9 0.7) (end -0.9 -0.7) (layer "F.Fab") (width 0.1) (tstamp 794b3c3d-91b7-4b4b-a465-4144aee655dd))
+    (fp_line (start 0.9 0.7) (end -0.9 0.7) (layer "F.Fab") (width 0.1) (tstamp a246954d-f291-42d5-984b-31371c496dde))
+    (fp_line (start 0.2 -0.35) (end 0.2 0.35) (layer "F.Fab") (width 0.1) (tstamp bfb12c61-e7b4-4a02-a40b-f28df75fc68f))
+    (fp_line (start -0.3 0) (end 0.2 -0.35) (layer "F.Fab") (width 0.1) (tstamp c540ba65-a323-4ac9-aba6-b3e901fbc50d))
+    (fp_line (start 0.9 -0.7) (end 0.9 0.7) (layer "F.Fab") (width 0.1) (tstamp c8cd41b3-2eec-4109-90b0-04524e1ec16b))
+    (fp_line (start 0.2 0.35) (end -0.3 0) (layer "F.Fab") (width 0.1) (tstamp eec2f5e0-b686-4ccc-908e-b81c5aaaec0b))
+    (fp_line (start -0.3 0) (end -0.5 0) (layer "F.Fab") (width 0.1) (tstamp f6faca0f-d65e-4b68-9a4d-57a64d9adb43))
+    (pad "1" smd rect (at -1.05 0 90) (size 0.6 0.45) (layers "F.Cu" "F.Paste" "F.Mask")
+      (net 294 "/Keep_Alive/Keep_Alive") (pinfunction "K") (pintype "passive") (tstamp 2ba260d7-7bfd-4e0d-a46c-80e46655cba2))
+    (pad "2" smd rect (at 1.05 0 90) (size 0.6 0.45) (layers "F.Cu" "F.Paste" "F.Mask")
+      (net 315 "Net-(C33-Pad2)") (pinfunction "A") (pintype "passive") (tstamp e71e3c7f-f515-4e60-863c-8d6ef2274932))
+    (model "${KICAD6_3DMODEL_DIR}/Diode_SMD.3dshapes/D_SOD-323.wrl"
+      (offset (xyz 0 0 0))
+      (scale (xyz 1 1 1))
+      (rotate (xyz 0 0 0))
+    )
+  )
+
+  (footprint "Package_TO_SOT_SMD:SOT-23-5" (layer "F.Cu")
+    (tedit 5F6F9B37) (tstamp 17592ba1-3c61-4049-bf95-113a45952407)
+    (at 85.943755 -64.325912)
+    (descr "SOT, 5 Pin (https://www.jedec.org/sites/default/files/docs/Mo-178c.PDF variant AA), generated with kicad-footprint-generator ipc_gullwing_generator.py")
+    (tags "SOT TO_SOT_SMD")
+    (property "Sheetfile" "Keep_Alive.kicad_sch")
+    (property "Sheetname" "Keep_Alive")
+    (path "/46495fed-359e-4c30-808a-9217af090de7/16936c3a-6eac-4792-b9dd-f3acd9e159c3")
+    (attr smd)
+    (fp_text reference "U27" (at 0 2.466188) (layer "F.SilkS")
+      (effects (font (size 1 1) (thickness 0.15)))
+      (tstamp 0b480f12-5ad5-4ca4-b247-157c0bef799f)
+    )
+    (fp_text value "MIC5205-3.3YM5" (at 0 2.4) (layer "F.Fab")
+      (effects (font (size 1 1) (thickness 0.15)))
+      (tstamp b4c514e8-d065-4123-bade-7966b4e65c76)
+    )
+    (fp_text user "${REFERENCE}" (at 0 0) (layer "F.Fab")
+      (effects (font (size 0.4 0.4) (thickness 0.06)))
+      (tstamp 0f3bbbe4-260b-4c91-a772-c471dd99b933)
+    )
+    (fp_line (start 0 -1.56) (end -1.8 -1.56) (layer "F.SilkS") (width 0.12) (tstamp 166ad530-a4ba-41ce-810c-c8fd41ceec87))
+    (fp_line (start 0 1.56) (end 0.8 1.56) (layer "F.SilkS") (width 0.12) (tstamp 6217810f-50cb-4e7d-90b0-b5aae7298cbe))
+    (fp_line (start 0 1.56) (end -0.8 1.56) (layer "F.SilkS") (width 0.12) (tstamp ce65e451-af7c-4e7b-be30-2d8a23e71a49))
+    (fp_line (start 0 -1.56) (end 0.8 -1.56) (layer "F.SilkS") (width 0.12) (tstamp d9b0082c-e0d0-45d6-9346-fb2dafdc4d74))
+    (fp_line (start 2.05 1.7) (end 2.05 -1.7) (layer "F.CrtYd") (width 0.05) (tstamp 27f8cf41-0599-4993-aa56-897fe0f0c3e8))
+    (fp_line (start -2.05 1.7) (end 2.05 1.7) (layer "F.CrtYd") (width 0.05) (tstamp 6823b5bf-a0d6-45a4-8b75-182a43a1a7f3))
+    (fp_line (start 2.05 -1.7) (end -2.05 -1.7) (layer "F.CrtYd") (width 0.05) (tstamp cf5ad375-e867-4052-8ee7-e6ebd715c751))
+    (fp_line (start -2.05 -1.7) (end -2.05 1.7) (layer "F.CrtYd") (width 0.05) (tstamp f731181f-8f65-433e-bcf6-f656aaacb2ad))
+    (fp_line (start -0.8 1.45) (end -0.8 -1.05) (layer "F.Fab") (width 0.1) (tstamp 2681c283-8cff-462a-abd0-b58e6c13c59d))
+    (fp_line (start 0.8 1.45) (end -0.8 1.45) (layer "F.Fab") (width 0.1) (tstamp aefb7f68-ec62-4ce7-9229-1155586b9ca1))
+    (fp_line (start 0.8 -1.45) (end 0.8 1.45) (layer "F.Fab") (width 0.1) (tstamp b2a6b362-2e58-478b-8b64-8872d78e0328))
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+    (fp_line (start -0.8 -1.05) (end -0.4 -1.45) (layer "F.Fab") (width 0.1) (tstamp c492c651-e5d0-43e1-9650-7908ed30927f))
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@@ -14925,6 +15179,90 @@
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@@ -19559,6 +19907,25 @@
   (via (at 87.912698 -27.911302) (size 0.6) (drill 0.3) (layers "F.Cu" "B.Cu") (net 313) (tstamp 9b9a2ec3-1ac1-4a74-b637-ae987de3ab02))
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+  (segment (start 85.747675 -64.653576) (end 85.747675 -63.723137) (width 0.254) (layer "F.Cu") (net 314) (tstamp 22b3d0d3-2269-43ae-a029-d0cad5380f14))
+  (segment (start 85.125339 -65.275912) (end 85.747675 -64.653576) (width 0.254) (layer "F.Cu") (net 314) (tstamp 303c9fae-27f7-4e0d-8f13-2779f2f72c18))
+  (segment (start 85.40045 -63.375912) (end 84.806255 -63.375912) (width 0.254) (layer "F.Cu") (net 314) (tstamp 4aea3901-10ab-42bd-8809-944e76386884))
+  (segment (start 85.747675 -63.723137) (end 85.40045 -63.375912) (width 0.254) (layer "F.Cu") (net 314) (tstamp 744712be-1a5f-4c79-9dbf-9ad15fc25231))
+  (segment (start 80.776669 -65.429259) (end 80.935791 -65.270137) (width 0.254) (layer "F.Cu") (net 314) (tstamp 87db5395-1011-46cf-b8e7-5b57eb9caa8a))
+  (segment (start 80.941566 -65.275912) (end 84.806255 -65.275912) (width 0.254) (layer "F.Cu") (net 314) (tstamp 9255530e-b67b-4af3-8397-46b15f024fe1))
+  (segment (start 80.935791 -65.270137) (end 80.941566 -65.275912) (width 0.254) (layer "F.Cu") (net 314) (tstamp a1ee15e0-752b-4137-9d29-701336b6dad0))
+  (segment (start 84.806255 -65.275912) (end 85.125339 -65.275912) (width 0.254) (layer "F.Cu") (net 314) (tstamp ad878f25-94ad-4f93-8d80-e4df10aa6d60))
+  (segment (start 79.381935 -65.429259) (end 79.381935 -64.469421) (width 0.254) (layer "F.Cu") (net 314) (tstamp c6a7fdca-4c8f-440d-aeff-c913c990de40))
+  (segment (start 79.381935 -65.429259) (end 80.776669 -65.429259) (width 0.254) (layer "F.Cu") (net 314) (tstamp cfe0e81e-1fc5-4cfc-9764-f516f21aef70))
+  (segment (start 79.381935 -64.469421) (end 79.366433 -64.453919) (width 0.254) (layer "F.Cu") (net 314) (tstamp e924fa7c-4b5c-40d3-9f7d-bea0ca3d4768))
+  (segment (start 87.081255 -65.275912) (end 89.06752 -65.275912) (width 0.254) (layer "F.Cu") (net 315) (tstamp 8c7799cd-194e-4b53-8df1-5e8f2841fead))
+  (segment (start 87.003882 -65.353285) (end 87.081255 -65.275912) (width 0.254) (layer "F.Cu") (net 315) (tstamp b35bb307-6f1d-4ff2-8b8e-5908cc3e17de))
+  (segment (start 87.003882 -66.466456) (end 87.003882 -65.353285) (width 0.254) (layer "F.Cu") (net 315) (tstamp ca4e8863-0f83-478f-bae3-aecbf68fcc87))
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+  (segment (start 78.362877 -67.121883) (end 78.362877 -65.430201) (width 0.254) (layer "F.Cu") (net 316) (tstamp 4f392499-787a-4aa6-9b47-cf764a9b32c4))
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+  (segment (start 80.01 -67.57476) (end 80.462877 -67.121883) (width 0.254) (layer "F.Cu") (net 317) (tstamp 57f501af-2cc2-4022-a354-63ab165a040b))
+  (segment (start 80.01 -69.596912) (end 80.01 -67.57476) (width 0.254) (layer "F.Cu") (net 317) (tstamp b897dc14-ef47-4869-b896-965b921fb08b))
 
   (zone (net 2) (net_name "+5V") (layer "F.Cu") (tstamp 00000000-0000-0000-0000-000062538c30) (hatch edge 0.508)
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polygonus-Shortage-Version/polygonus-Shortage-Version.kicad_prl

@@ -1,6 +1,6 @@
 {
   "board": {
-    "active_layer": 0,
+    "active_layer": 31,
     "active_layer_preset": "",
     "auto_track_width": true,
     "hidden_nets": [],

polygonus-Shortage-Version/polygonus-Shortage-Version.kicad_pro

@@ -547,6 +547,10 @@
       "00000000-0000-0000-0000-00005dd5b2e0",
       "highside_quad"
     ],
+    [
+      "46495fed-359e-4c30-808a-9217af090de7",
+      "Keep_Alive"
+    ],
     [
       "00000000-0000-0000-0000-00005d975f3c",
       "ign1"

polygonus-Shortage-Version/polygonus-Shortage-Version.kicad_sch

@@ -877,6 +877,10 @@
     (stroke (width 0) (type default) (color 0 0 0 0))
     (uuid 017667a9-f5de-49c7-af53-4f9af2f3a311)
   )
+  (wire (pts (xy 150.2316 184.3116) (xy 158.75 184.3116))
+    (stroke (width 0) (type default) (color 0 0 0 0))
+    (uuid 01cd5cd7-ac9c-43b0-996d-63c65ef41461)
+  )
   (wire (pts (xy 114.3 168.91) (xy 139.065 168.91))
     (stroke (width 0) (type default) (color 0 0 0 0))
     (uuid 08926936-9ea4-4894-afca-caca47f3c238)
@@ -993,6 +997,10 @@
     (stroke (width 0) (type default) (color 0 0 0 0))
     (uuid 444b2eaf-241d-42e5-8717-27a83d099c5b)
   )
+  (wire (pts (xy 114.3 180.325) (xy 114.3 180.34))
+    (stroke (width 0) (type default) (color 0 0 0 0))
+    (uuid 44e58aa1-a350-486a-9273-2c7c67593d04)
+  )
   (wire (pts (xy 120.65 41.275) (xy 114.3 41.275))
     (stroke (width 0) (type default) (color 0 0 0 0))
     (uuid 49d97c73-e37a-4154-9d0a-88037e40cc11)
@@ -1033,6 +1041,10 @@
     (stroke (width 0) (type default) (color 0 0 0 0))
     (uuid 6ae901e7-3f37-4fdc-9fbb-f82666744826)
   )
+  (wire (pts (xy 134.62 180.325) (xy 114.3 180.325))
+    (stroke (width 0) (type default) (color 0 0 0 0))
+    (uuid 6d6f952f-f85e-44e3-93a4-24b97fc48126)
+  )
   (wire (pts (xy 68.58 59.69) (xy 59.055 59.69))
     (stroke (width 0) (type default) (color 0 0 0 0))
     (uuid 6ea0f2f7-b064-4b8f-bd17-48195d1c83d1)
@@ -1161,6 +1173,10 @@
     (stroke (width 0) (type default) (color 0 0 0 0))
     (uuid a8a389df-8d18-4e17-a74f-f60d5d77371e)
   )
+  (wire (pts (xy 158.75 184.3116) (xy 158.75 184.15))
+    (stroke (width 0) (type default) (color 0 0 0 0))
+    (uuid ac8dffe1-2e04-44cc-814d-3cce337983fe)
+  )
   (wire (pts (xy 59.055 62.23) (xy 68.58 62.23))
     (stroke (width 0) (type default) (color 0 0 0 0))
     (uuid acb0068c-c0e7-44cf-a209-296716acb6a2)
@@ -1399,6 +1415,10 @@
     (effects (font (size 1.27 1.27)) (justify right bottom))
     (uuid 186c3f1e-1c94-498e-abf2-1069980f6633)
   )
+  (label "Perm_Live" (at 158.75 184.15 0)
+    (effects (font (size 1.27 1.27)) (justify left bottom))
+    (uuid 18da6305-5316-4dc5-ab3b-4b2294e631f2)
+  )
   (label "AV9" (at 45.085 57.15 180)
     (effects (font (size 1.27 1.27)) (justify right bottom))
     (uuid 18dee026-9999-4f10-8c36-736131349406)
@@ -1691,6 +1711,10 @@
     (effects (font (size 1.27 1.27)) (justify left bottom))
     (uuid 93afd2e8-e16c-4e06-b872-cf0e624aee35)
   )
+  (label "Perm_Live" (at 273.2114 54.6719 180)
+    (effects (font (size 1.27 1.27)) (justify right bottom))
+    (uuid 9598ea90-b772-44b1-950e-3022c2d360a9)
+  )
   (label "12V_RAW" (at 255.4645 72.6696 180)
     (effects (font (size 1.27 1.27)) (justify right bottom))
     (uuid 9666bb6a-0c1d-4c92-be6d-94a465ec5c51)
@@ -2565,24 +2589,6 @@
     (pin "1" (uuid 94577e12-7b64-44c8-b56e-7cfead54a3c0))
   )
 
-  (symbol (lib_id "power:GND") (at 273.2114 54.6719 270) (unit 1)
-    (in_bom yes) (on_board yes)
-    (uuid 8da41e7d-3eab-4c62-8aeb-bb291561fe7c)
-    (property "Reference" "#PWR0147" (id 0) (at 266.8614 54.6719 0)
-      (effects (font (size 1.27 1.27)) hide)
-    )
-    (property "Value" "GND" (id 1) (at 269.9602 54.7989 90)
-      (effects (font (size 1.27 1.27)) (justify right))
-    )
-    (property "Footprint" "" (id 2) (at 273.2114 54.6719 0)
-      (effects (font (size 1.27 1.27)) hide)
-    )
-    (property "Datasheet" "" (id 3) (at 273.2114 54.6719 0)
-      (effects (font (size 1.27 1.27)) hide)
-    )
-    (pin "1" (uuid bb6b38fe-89e9-4df3-8295-749b5dd6238c))
-  )
-
   (symbol (lib_id "Connector_Generic:Conn_01x32") (at 232.41 62.23 0) (unit 1)
     (in_bom yes) (on_board yes) (fields_autoplaced)
     (uuid 942a8486-fbcf-4ef2-b335-e812292683e0)
@@ -3186,6 +3192,10 @@
       (effects (font (size 1.27 1.27)) (justify left))
       (uuid 2a6ee718-8cdf-4fa6-be7c-8fe885d98fd7)
     )
+    (pin "Keep_Alive" input (at 114.3 180.34 0)
+      (effects (font (size 1.27 1.27)) (justify right))
+      (uuid f2291262-6b14-4dee-a0b8-6d72f487a812)
+    )
   )
 
   (sheet (at 120.65 33.655) (size 20.32 10.16) (fields_autoplaced)
@@ -3688,6 +3698,26 @@
     )
   )
 
+  (sheet (at 134.62 177.8) (size 15.6116 9.047) (fields_autoplaced)
+    (stroke (width 0.1524) (type solid) (color 0 0 0 0))
+    (fill (color 0 0 0 0.0000))
+    (uuid 46495fed-359e-4c30-808a-9217af090de7)
+    (property "Sheet name" "Keep_Alive" (id 0) (at 134.62 177.0884 0)
+      (effects (font (size 1.27 1.27)) (justify left bottom))
+    )
+    (property "Sheet file" "Keep_Alive.kicad_sch" (id 1) (at 134.62 187.4316 0)
+      (effects (font (size 1.27 1.27)) (justify left top))
+    )
+    (pin "Perm_Live" input (at 150.2316 184.3116 0)
+      (effects (font (size 1.27 1.27)) (justify right))
+      (uuid 1a519d12-963d-4955-9687-52925dd18a8d)
+    )
+    (pin "Keep_Alive" output (at 134.62 180.325 180)
+      (effects (font (size 1.27 1.27)) (justify left))
+      (uuid 8070f742-5203-4231-ba0e-8b2b2ab5f369)
+    )
+  )
+
   (sheet_instances
     (path "/" (page "1"))
     (path "/00000000-0000-0000-0000-00005da72eff" (page "2"))
@@ -3702,6 +3732,7 @@
     (path "/00000000-0000-0000-0000-00005d99f107" (page "11"))
     (path "/00000000-0000-0000-0000-00005d99f54c" (page "13"))
     (path "/00000000-0000-0000-0000-00005dd5b2e0" (page "16"))
+    (path "/46495fed-359e-4c30-808a-9217af090de7" (page "16"))
     (path "/00000000-0000-0000-0000-00005d975f3c" (page "17"))
     (path "/00000000-0000-0000-0000-00005d98f734" (page "18"))
   )
@@ -3752,6 +3783,18 @@
     (path "/00000000-0000-0000-0000-00005d99e6ee/00000000-0000-0000-0000-00006015a399"
       (reference "#PWR05") (unit 1) (value "+3.3V") (footprint "")
     )
+    (path "/46495fed-359e-4c30-808a-9217af090de7/4b418118-9a44-46bd-bbf9-b8dd607fa509"
+      (reference "#PWR06") (unit 1) (value "GND") (footprint "")
+    )
+    (path "/46495fed-359e-4c30-808a-9217af090de7/15670d25-71e9-492e-8345-cd5b8996a9d1"
+      (reference "#PWR07") (unit 1) (value "GND") (footprint "")
+    )
+    (path "/46495fed-359e-4c30-808a-9217af090de7/7b5d742b-78f7-4bea-b8b4-30c6d50c51bd"
+      (reference "#PWR08") (unit 1) (value "GND") (footprint "")
+    )
+    (path "/46495fed-359e-4c30-808a-9217af090de7/339986c8-4087-467c-b1cc-d915413f866c"
+      (reference "#PWR09") (unit 1) (value "GND") (footprint "")
+    )
     (path "/00000000-0000-0000-0000-00005d9e3ba1"
       (reference "#PWR0101") (unit 1) (value "GND") (footprint "")
     )
@@ -3890,9 +3933,6 @@
     (path "/dac98d69-2e36-4c84-8ac1-72fa28cfa676"
       (reference "#PWR0146") (unit 1) (value "GND") (footprint "")
     )
-    (path "/8da41e7d-3eab-4c62-8aeb-bb291561fe7c"
-      (reference "#PWR0147") (unit 1) (value "GND") (footprint "")
-    )
     (path "/00000000-0000-0000-0000-00005d98a146/85b0c444-48f2-41ee-b642-b6821afa6059"
       (reference "#PWR0148") (unit 1) (value "GND") (footprint "")
     )
@@ -4703,6 +4743,12 @@
     (path "/00000000-0000-0000-0000-00005dd8090b/0310fa7f-7e7c-4bb8-a3e9-8e351215a1d0"
       (reference "C31") (unit 1) (value "1n") (footprint "Capacitor_SMD:C_0603_1608Metric")
     )
+    (path "/46495fed-359e-4c30-808a-9217af090de7/bb6eb5d1-10bf-4639-a353-af96ffdf880d"
+      (reference "C32") (unit 1) (value "100n") (footprint "Capacitor_SMD:C_0201_0603Metric")
+    )
+    (path "/46495fed-359e-4c30-808a-9217af090de7/5cbc2301-d77c-4265-840f-ffcb5df50b22"
+      (reference "C33") (unit 1) (value "4.7u") (footprint "Capacitor_SMD:C_0201_0603Metric")
+    )
     (path "/00000000-0000-0000-0000-00005d9a3845/00000000-0000-0000-0000-00005dd4ee13"
       (reference "C701") (unit 1) (value "100n") (footprint "Capacitor_SMD:C_0603_1608Metric")
     )
@@ -4922,6 +4968,12 @@
     (path "/00000000-0000-0000-0000-00005d99e6ee/00000000-0000-0000-0000-0000624aeaa1"
       (reference "D4") (unit 1) (value "schottky") (footprint "Diode_SMD:D_SOD-123")
     )
+    (path "/46495fed-359e-4c30-808a-9217af090de7/db2f74b5-3a9b-454b-a453-16421c0f8cc3"
+      (reference "D5") (unit 1) (value "1N4148WS") (footprint "Diode_SMD:D_SOD-323")
+    )
+    (path "/46495fed-359e-4c30-808a-9217af090de7/66496a83-8028-4c5c-a7e0-e19b4586ca05"
+      (reference "D6") (unit 1) (value "1N4148WS") (footprint "Diode_SMD:D_SOD-323")
+    )
     (path "/00000000-0000-0000-0000-00005e988fe1"
       (reference "D101") (unit 1) (value "D_Schottky") (footprint "Diode_SMD:D_SMA")
     )
@@ -4973,6 +5025,9 @@
     (path "/00000000-0000-0000-0000-00005d99e6ee/00000000-0000-0000-0000-00005dc2e3f7"
       (reference "FB1501") (unit 1) (value "Ferrite_Bead") (footprint "Inductor_SMD:L_0805_2012Metric")
     )
+    (path "/46495fed-359e-4c30-808a-9217af090de7/0651f4fd-d08f-43bb-8a38-8e41030a25da"
+      (reference "IC1") (unit 1) (value "PSM712-LF-T7") (footprint "Package_TO_SOT_SMD:SOT-23")
+    )
     (path "/00000000-0000-0000-0000-00005d99e6ee/00000000-0000-0000-0000-00005f3076e2"
       (reference "J1") (unit 1) (value "Micro_SD_Card") (footprint "Connector_Card:microSD_HC_Wuerth_693072010801")
     )
@@ -5186,6 +5241,9 @@
     (path "/00000000-0000-0000-0000-00005dd8090b/5c7c58ac-2c0a-4493-8ca3-160ebb2f96ec"
       (reference "R53") (unit 1) (value "2.7k") (footprint "Resistor_SMD:R_0603_1608Metric")
     )
+    (path "/46495fed-359e-4c30-808a-9217af090de7/b4f450ab-b735-476c-8f93-e4551a5b7880"
+      (reference "R54") (unit 1) (value "6.8k") (footprint "Resistor_SMD:R_0402_1005Metric")
+    )
     (path "/00000000-0000-0000-0000-00005d9a3845/00000000-0000-0000-0000-00005dd4ee12"
       (reference "R701") (unit 1) (value "470k") (footprint "Resistor_SMD:R_0402_1005Metric")
     )
@@ -5507,6 +5565,9 @@
     (path "/00000000-0000-0000-0000-00005dd8090b/31309e76-91ce-4859-83dc-38bb921f397e"
       (reference "U26") (unit 2) (value "SN74LVC2G17DB") (footprint "Package_TO_SOT_SMD:SOT-23-6")
     )
+    (path "/46495fed-359e-4c30-808a-9217af090de7/16936c3a-6eac-4792-b9dd-f3acd9e159c3"
+      (reference "U27") (unit 1) (value "MIC5205-3.3YM5") (footprint "Package_TO_SOT_SMD:SOT-23-5")
+    )
     (path "/00000000-0000-0000-0000-00005d9a3845/00000000-0000-0000-0000-00005d9a3bfa"
       (reference "U701") (unit 1) (value "MCP6004") (footprint "Package_SO:TSSOP-14_4.4x5mm_P0.65mm")
     )