Add new items to schematic.

schematic/computer_interface.kicad_sch

@@ -0,0 +1,144 @@
+(kicad_sch
+	(version 20231120)
+	(generator "eeschema")
+	(generator_version "8.0")
+	(uuid "93ec4f7a-ca5b-4786-8e71-704bbeff7a53")
+	(paper "A4")
+	(lib_symbols)
+	(sheet
+		(at 100.33 43.18)
+		(size 24.13 7.62)
+		(fields_autoplaced yes)
+		(stroke
+			(width 0.1524)
+			(type solid)
+		)
+		(fill
+			(color 0 0 0 0.0000)
+		)
+		(uuid "0326bad9-39c8-41ed-b9ae-b315996159d9")
+		(property "Sheetname" "Power button isolation"
+			(at 100.33 42.4684 0)
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+				(justify left bottom)
+			)
+		)
+		(property "Sheetfile" "output_isolation.kicad_sch"
+			(at 100.33 51.3846 0)
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+				(justify left top)
+			)
+		)
+		(pin "OUTPUT_A" output
+			(at 124.46 45.72 0)
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+				(justify right)
+			)
+			(uuid "bc65157e-f136-4d33-bb70-98465c197fbf")
+		)
+		(pin "OUTPUT_B" output
+			(at 124.46 48.26 0)
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+				(justify right)
+			)
+			(uuid "406c63da-b8a4-4bb8-9ac4-7788362f1c7b")
+		)
+		(pin "INPUT" input
+			(at 100.33 46.99 180)
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+				(justify left)
+			)
+			(uuid "d3b7f7cf-5323-40e2-8653-995890b44349")
+		)
+		(instances
+			(project "cx-power-control"
+				(path "/bb2bfe98-6e27-483c-9a1b-b3b425ec611e/d269ac6a-1cc7-4ed8-a753-05d6adaadd07"
+					(page "6")
+				)
+			)
+		)
+	)
+	(sheet
+		(at 100.33 64.77)
+		(size 24.13 7.62)
+		(fields_autoplaced yes)
+		(stroke
+			(width 0.1524)
+			(type solid)
+		)
+		(fill
+			(color 0 0 0 0.0000)
+		)
+		(uuid "3857edae-9acb-4d8d-b96f-3051a55c8cf8")
+		(property "Sheetname" "Reset button isolation"
+			(at 100.33 64.0584 0)
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+				(justify left bottom)
+			)
+		)
+		(property "Sheetfile" "output_isolation.kicad_sch"
+			(at 100.33 72.9746 0)
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+				(justify left top)
+			)
+		)
+		(pin "OUTPUT_A" output
+			(at 124.46 67.31 0)
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+				(justify right)
+			)
+			(uuid "29013648-0b59-4d4b-a2d6-28b832b20bbf")
+		)
+		(pin "OUTPUT_B" output
+			(at 124.46 69.85 0)
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+				(justify right)
+			)
+			(uuid "970595ed-d0fc-48d3-8827-27a80cf44927")
+		)
+		(pin "INPUT" input
+			(at 100.33 68.58 180)
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+				(justify left)
+			)
+			(uuid "f51d0b7a-49ff-4442-9dc8-fd1330f25a70")
+		)
+		(instances
+			(project "cx-power-control"
+				(path "/bb2bfe98-6e27-483c-9a1b-b3b425ec611e/d269ac6a-1cc7-4ed8-a753-05d6adaadd07"
+					(page "5")
+				)
+			)
+		)
+	)
+)

schematic/cx-power-control.kicad_prl

@@ -14,6 +14,7 @@
       "vias": 1.0,
       "zones": 0.6
     },
+    "ratsnest_display_mode": 0,
     "selection_filter": {
       "dimensions": true,
       "footprints": true,

schematic/cx-power-control.kicad_pro

@@ -201,6 +201,7 @@
     "rule_severities": {
       "bus_definition_conflict": "error",
       "bus_entry_needed": "error",
+      "bus_label_syntax": "error",
       "bus_to_bus_conflict": "error",
       "bus_to_net_conflict": "error",
       "conflicting_netclasses": "error",
@@ -371,8 +372,18 @@
       "version": 1
     },
     "net_format_name": "",
+    "ngspice": {
+      "fix_include_paths": true,
+      "fix_passive_vals": false,
+      "meta": {
+        "version": 0
+      },
+      "model_mode": 0,
+      "workbook_filename": ""
+    },
     "page_layout_descr_file": "",
     "plot_directory": "",
+    "spice_adjust_passive_values": false,
     "spice_current_sheet_as_root": false,
     "spice_external_command": "spice \"%I\"",
     "spice_model_current_sheet_as_root": true,
@@ -394,6 +405,18 @@
     [
       "130f64fa-73d8-4406-a141-345e7a455f04",
       "Controller"
+    ],
+    [
+      "d269ac6a-1cc7-4ed8-a753-05d6adaadd07",
+      "Computer interface"
+    ],
+    [
+      "3857edae-9acb-4d8d-b96f-3051a55c8cf8",
+      "Reset button isolation"
+    ],
+    [
+      "0326bad9-39c8-41ed-b9ae-b315996159d9",
+      "Power button isolation"
     ]
   ],
   "text_variables": {}

schematic/cx-power-control.kicad_sch

@@ -6,8 +6,8 @@
 	(paper "A4")
 	(lib_symbols)
 	(sheet
-		(at 100.33 82.55)
-		(size 12.7 3.81)
+		(at 85.09 52.07)
+		(size 31.75 25.4)
 		(fields_autoplaced yes)
 		(stroke
 			(width 0.1524)
@@ -18,7 +18,7 @@
 		)
 		(uuid "130f64fa-73d8-4406-a141-345e7a455f04")
 		(property "Sheetname" "Controller"
-			(at 100.33 81.8384 0)
+			(at 85.09 51.3584 0)
 			(effects
 				(font
 					(size 1.27 1.27)
@@ -27,7 +27,7 @@
 			)
 		)
 		(property "Sheetfile" "controller.kicad_sch"
-			(at 100.33 86.9446 0)
+			(at 85.09 78.0546 0)
 			(effects
 				(font
 					(size 1.27 1.27)
@@ -35,6 +35,146 @@
 				(justify left top)
 			)
 		)
+		(pin "SDA" bidirectional
+			(at 85.09 55.88 180)
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+				(justify left)
+			)
+			(uuid "8cca0cc3-87e8-487a-a024-394571df1780")
+		)
+		(pin "SCL" bidirectional
+			(at 85.09 58.42 180)
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+				(justify left)
+			)
+			(uuid "691c0099-41b5-470a-892f-27c2b3b5cbd2")
+		)
+		(pin "RX" input
+			(at 85.09 60.96 180)
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+				(justify left)
+			)
+			(uuid "7edb4f01-1cc1-4d0e-a05d-d9fbda4137ec")
+		)
+		(pin "TX" output
+			(at 85.09 63.5 180)
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+				(justify left)
+			)
+			(uuid "695c2cde-7f74-40e4-988f-af8c349e24c8")
+		)
+		(pin "BUTTON_A" input
+			(at 116.84 55.88 0)
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+				(justify right)
+			)
+			(uuid "51574ed8-2620-4de9-a102-a87247617c88")
+		)
+		(pin "BUTTON_B" input
+			(at 116.84 58.42 0)
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+				(justify right)
+			)
+			(uuid "c67fc7f9-4d27-47ce-ac39-1f43211cf6cf")
+		)
+		(pin "RESET_BUTTON" output
+			(at 116.84 60.96 0)
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+				(justify right)
+			)
+			(uuid "f001ee9f-431a-43e3-8305-f5c97f0d7cf1")
+		)
+		(pin "POWER_STATE" input
+			(at 116.84 63.5 0)
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+				(justify right)
+			)
+			(uuid "dc13c644-4c0d-415b-9a7c-bbfda3b7bdd8")
+		)
+		(pin "POWER_BUTTON" output
+			(at 116.84 66.04 0)
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+				(justify right)
+			)
+			(uuid "e0118fa3-f1e6-44b8-b453-fbe51dde435d")
+		)
+		(pin "LED_DRIVER" output
+			(at 116.84 68.58 0)
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+				(justify right)
+			)
+			(uuid "3f7f72a6-b8c5-42cc-b516-0b9987b14c01")
+		)
+		(pin "UPDI" bidirectional
+			(at 85.09 66.04 180)
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+				(justify left)
+			)
+			(uuid "70ae1251-ff9a-4658-906c-2d35249fff36")
+		)
+		(pin "INFO_LED" output
+			(at 116.84 71.12 0)
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+				(justify right)
+			)
+			(uuid "dd298707-f016-424a-b825-b7a50084b706")
+		)
+		(pin "USB_D+" bidirectional
+			(at 85.09 71.12 180)
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+				(justify left)
+			)
+			(uuid "88aed246-9c6e-4745-8f46-739fde095c22")
+		)
+		(pin "USB_D-" bidirectional
+			(at 85.09 73.66 180)
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+				(justify left)
+			)
+			(uuid "5337fa0b-c908-44d8-9879-4fb48fed58f0")
+		)
 		(instances
 			(project "cx-power-control"
 				(path "/bb2bfe98-6e27-483c-9a1b-b3b425ec611e"
@@ -81,6 +221,44 @@
 			)
 		)
 	)
+	(sheet
+		(at 130.81 60.96)
+		(size 12.7 3.81)
+		(fields_autoplaced yes)
+		(stroke
+			(width 0.1524)
+			(type solid)
+		)
+		(fill
+			(color 0 0 0 0.0000)
+		)
+		(uuid "d269ac6a-1cc7-4ed8-a753-05d6adaadd07")
+		(property "Sheetname" "Computer interface"
+			(at 130.81 60.2484 0)
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+				(justify left bottom)
+			)
+		)
+		(property "Sheetfile" "computer_interface.kicad_sch"
+			(at 130.81 65.3546 0)
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+				(justify left top)
+			)
+		)
+		(instances
+			(project "cx-power-control"
+				(path "/bb2bfe98-6e27-483c-9a1b-b3b425ec611e"
+					(page "4")
+				)
+			)
+		)
+	)
 	(sheet_instances
 		(path "/"
 			(page "1")

schematic/output_isolation.kicad_sch

@@ -0,0 +1,1055 @@
+(kicad_sch
+	(version 20231120)
+	(generator "eeschema")
+	(generator_version "8.0")
+	(uuid "79510c40-bc8f-46e1-a1c6-9f214bc762e4")
+	(paper "A4")
+	(lib_symbols
+		(symbol "Device:R"
+			(pin_numbers hide)
+			(pin_names
+				(offset 0)
+			)
+			(exclude_from_sim no)
+			(in_bom yes)
+			(on_board yes)
+			(property "Reference" "R"
+				(at 2.032 0 90)
+				(effects
+					(font
+						(size 1.27 1.27)
+					)
+				)
+			)
+			(property "Value" "R"
+				(at 0 0 90)
+				(effects
+					(font
+						(size 1.27 1.27)
+					)
+				)
+			)
+			(property "Footprint" ""
+				(at -1.778 0 90)
+				(effects
+					(font
+						(size 1.27 1.27)
+					)
+					(hide yes)
+				)
+			)
+			(property "Datasheet" "~"
+				(at 0 0 0)
+				(effects
+					(font
+						(size 1.27 1.27)
+					)
+					(hide yes)
+				)
+			)
+			(property "Description" "Resistor"
+				(at 0 0 0)
+				(effects
+					(font
+						(size 1.27 1.27)
+					)
+					(hide yes)
+				)
+			)
+			(property "ki_keywords" "R res resistor"
+				(at 0 0 0)
+				(effects
+					(font
+						(size 1.27 1.27)
+					)
+					(hide yes)
+				)
+			)
+			(property "ki_fp_filters" "R_*"
+				(at 0 0 0)
+				(effects
+					(font
+						(size 1.27 1.27)
+					)
+					(hide yes)
+				)
+			)
+			(symbol "R_0_1"
+				(rectangle
+					(start -1.016 -2.54)
+					(end 1.016 2.54)
+					(stroke
+						(width 0.254)
+						(type default)
+					)
+					(fill
+						(type none)
+					)
+				)
+			)
+			(symbol "R_1_1"
+				(pin passive line
+					(at 0 3.81 270)
+					(length 1.27)
+					(name "~"
+						(effects
+							(font
+								(size 1.27 1.27)
+							)
+						)
+					)
+					(number "1"
+						(effects
+							(font
+								(size 1.27 1.27)
+							)
+						)
+					)
+				)
+				(pin passive line
+					(at 0 -3.81 90)
+					(length 1.27)
+					(name "~"
+						(effects
+							(font
+								(size 1.27 1.27)
+							)
+						)
+					)
+					(number "2"
+						(effects
+							(font
+								(size 1.27 1.27)
+							)
+						)
+					)
+				)
+			)
+		)
+		(symbol "Isolator:EL817"
+			(pin_names
+				(offset 1.016)
+			)
+			(exclude_from_sim no)
+			(in_bom yes)
+			(on_board yes)
+			(property "Reference" "U"
+				(at -5.08 5.08 0)
+				(effects
+					(font
+						(size 1.27 1.27)
+					)
+					(justify left)
+				)
+			)
+			(property "Value" "EL817"
+				(at 0 5.08 0)
+				(effects
+					(font
+						(size 1.27 1.27)
+					)
+					(justify left)
+				)
+			)
+			(property "Footprint" "Package_DIP:DIP-4_W7.62mm"
+				(at -5.08 -5.08 0)
+				(effects
+					(font
+						(size 1.27 1.27)
+						(italic yes)
+					)
+					(justify left)
+					(hide yes)
+				)
+			)
+			(property "Datasheet" "http://www.everlight.com/file/ProductFile/EL817.pdf"
+				(at 0 0 0)
+				(effects
+					(font
+						(size 1.27 1.27)
+					)
+					(justify left)
+					(hide yes)
+				)
+			)
+			(property "Description" "DC Optocoupler, Vce 35V, DIP-4"
+				(at 0 0 0)
+				(effects
+					(font
+						(size 1.27 1.27)
+					)
+					(hide yes)
+				)
+			)
+			(property "ki_keywords" "NPN DC Optocoupler"
+				(at 0 0 0)
+				(effects
+					(font
+						(size 1.27 1.27)
+					)
+					(hide yes)
+				)
+			)
+			(property "ki_fp_filters" "DIP*W7.62mm*"
+				(at 0 0 0)
+				(effects
+					(font
+						(size 1.27 1.27)
+					)
+					(hide yes)
+				)
+			)
+			(symbol "EL817_0_1"
+				(rectangle
+					(start -5.08 3.81)
+					(end 5.08 -3.81)
+					(stroke
+						(width 0.254)
+						(type default)
+					)
+					(fill
+						(type background)
+					)
+				)
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+					(pts
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+					)
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+						(type default)
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+				(path "/bb2bfe98-6e27-483c-9a1b-b3b425ec611e/d269ac6a-1cc7-4ed8-a753-05d6adaadd07/3857edae-9acb-4d8d-b96f-3051a55c8cf8"
+					(reference "U3")
+					(unit 1)
+				)
+			)
+		)
+	)
+)