diff --git a/acid.kicad_pro b/acid.kicad_pro
index 55670a6..f4cd867 100644
--- a/acid.kicad_pro
+++ b/acid.kicad_pro
@@ -789,6 +789,7 @@
       "single_global_label": "ignore",
       "unannotated": "error",
       "unconnected_wire_endpoint": "warning",
+      "undefined_netclass": "error",
       "unit_value_mismatch": "error",
       "unresolved_variable": "error",
       "wire_dangling": "error"
diff --git a/acid.kicad_sch b/acid.kicad_sch
index 9dd487b..8f5ee0d 100644
--- a/acid.kicad_sch
+++ b/acid.kicad_sch
@@ -5423,6 +5423,17 @@
 		)
 		(uuid "2f6e38b3-17ae-4c84-978c-a25746a12021")
 	)
+	(text "The LCD display being connected to GPIO0\ncauses parasitic capacitance on that pin,\nwhich makes the ESP32-S3 boot into download\nmode even if the BOOT button isn't held.\nThis extra pull-up resistor prevents that."
+		(exclude_from_sim no)
+		(at 137.16 46.482 0)
+		(effects
+			(font
+				(size 0.8 0.8)
+			)
+			(justify left top)
+		)
+		(uuid "36d3ceb2-8169-46d2-b2f2-2174159328ed")
+	)
 	(text "SPI CS is typically active low,\nbut needs to be held high for initialization"
 		(exclude_from_sim no)
 		(at 177.8 160.274 0)
@@ -5498,6 +5509,17 @@
 		)
 		(uuid "84059bb5-b425-408d-bacd-e5c86d8cc792")
 	)
+	(text "TODO:\nSince GPIO6 has been repurposed as CS_{SPI},\nneither of these are used any more. Remove."
+		(exclude_from_sim no)
+		(at 185.42 134.874 0)
+		(effects
+			(font
+				(size 1.27 1.27)
+			)
+			(justify left)
+		)
+		(uuid "89f17b79-0ca7-4118-9ea4-796831d5ea6e")
+	)
 	(text "INT_{LR} = INT_{L} ∨ INT_{R}\nThe INT pins on the IO expander\nare open-drain active low, hence\nwe use a pull-up resistor."
 		(exclude_from_sim no)
 		(at 65.024 167.132 0)
@@ -5531,7 +5553,7 @@
 	)
 	(text "LDO1 and LDO2 are each able to\nprovide up to 700 mA at 3.3 V.\nFor comparison, GPIO pins only\nprovide up to 40 mA."
 		(exclude_from_sim no)
-		(at 127.762 64.516 0)
+		(at 128.016 65.278 0)
 		(effects
 			(font
 				(size 0.8 0.8)
@@ -5573,9 +5595,9 @@
 		)
 		(uuid "de1af1c8-714e-45e2-95a3-099768d7c701")
 	)
-	(text "SPI chip selection\nof the LCD\nTODO: Remove"
+	(text "SPI chip selection\nof the LCD"
 		(exclude_from_sim no)
-		(at 183.642 139.954 0)
+		(at 184.658 140.97 0)
 		(effects
 			(font
 				(size 1.27 1.27)
@@ -5921,6 +5943,12 @@
 		(color 0 0 0 0)
 		(uuid "e1a4a59a-dbaa-4985-b634-4870914989ee")
 	)
+	(junction
+		(at 138.43 63.5)
+		(diameter 0)
+		(color 0 0 0 0)
+		(uuid "ec5ff1e4-3c57-44c2-9227-5eea025fb54f")
+	)
 	(junction
 		(at 200.66 55.88)
 		(diameter 0)
@@ -6299,7 +6327,7 @@
 	)
 	(wire
 		(pts
-			(xy 111.76 63.5) (xy 120.65 63.5)
+			(xy 111.76 63.5) (xy 138.43 63.5)
 		)
 		(stroke
 			(width 0)
@@ -6877,6 +6905,16 @@
 		)
 		(uuid "672f793b-ba9b-442c-bdc8-7447c4999286")
 	)
+	(wire
+		(pts
+			(xy 138.43 63.5) (xy 154.94 63.5)
+		)
+		(stroke
+			(width 0)
+			(type default)
+		)
+		(uuid "6941bdb1-f8f3-4e19-9119-2078fcd5c097")
+	)
 	(wire
 		(pts
 			(xy 200.66 50.8) (xy 254 50.8)
@@ -23528,7 +23566,7 @@
 		(uuid "65ec0fcb-da4e-4ccd-89b6-3eb69f08879e")
 	)
 	(label "R1"
-		(at 120.65 63.5 0)
+		(at 154.94 63.5 0)
 		(effects
 			(font
 				(size 1.27 1.27)
@@ -24883,6 +24921,76 @@
 			)
 		)
 	)
+	(symbol
+		(lib_id "Device:R")
+		(at 138.43 59.69 0)
+		(unit 1)
+		(exclude_from_sim no)
+		(in_bom yes)
+		(on_board yes)
+		(dnp no)
+		(fields_autoplaced yes)
+		(uuid "3adf0405-6ad4-439f-a31b-9b9be48da142")
+		(property "Reference" "R14"
+			(at 140.97 58.4199 0)
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+				(justify left)
+			)
+		)
+		(property "Value" "10 kOhm"
+			(at 140.97 60.9599 0)
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+				(justify left)
+			)
+		)
+		(property "Footprint" "Resistor_SMD:R_0603_1608Metric"
+			(at 136.652 59.69 90)
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+				(hide yes)
+			)
+		)
+		(property "Datasheet" "~"
+			(at 138.43 59.69 0)
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+				(hide yes)
+			)
+		)
+		(property "Description" "Resistor"
+			(at 138.43 59.69 0)
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+				(hide yes)
+			)
+		)
+		(pin "1"
+			(uuid "a5f452d0-5815-43a8-87f1-1d64f69bbc0b")
+		)
+		(pin "2"
+			(uuid "9c031284-501f-48a0-802c-36c96b9d72ba")
+		)
+		(instances
+			(project "acid"
+				(path "/ee5b55de-ef61-476c-9896-089acae94cf2"
+					(reference "R14")
+					(unit 1)
+				)
+			)
+		)
+	)
 	(symbol
 		(lib_id "power:GND")
 		(at 127 179.07 0)
@@ -28439,6 +28547,71 @@
 			)
 		)
 	)
+	(symbol
+		(lib_id "power:+3.3V")
+		(at 138.43 55.88 0)
+		(unit 1)
+		(exclude_from_sim no)
+		(in_bom yes)
+		(on_board yes)
+		(dnp no)
+		(uuid "e439b5f0-b620-4454-9eac-7775a99986c7")
+		(property "Reference" "#PWR0135"
+			(at 138.43 59.69 0)
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+				(hide yes)
+			)
+		)
+		(property "Value" "+3.3V"
+			(at 142.494 54.356 0)
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+			)
+		)
+		(property "Footprint" ""
+			(at 138.43 55.88 0)
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+				(hide yes)
+			)
+		)
+		(property "Datasheet" ""
+			(at 138.43 55.88 0)
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+				(hide yes)
+			)
+		)
+		(property "Description" "Power symbol creates a global label with name \"+3.3V\""
+			(at 138.43 55.88 0)
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+				(hide yes)
+			)
+		)
+		(pin "1"
+			(uuid "4ee82066-2cfc-4294-967b-aa36e192666d")
+		)
+		(instances
+			(project "acid"
+				(path "/ee5b55de-ef61-476c-9896-089acae94cf2"
+					(reference "#PWR0135")
+					(unit 1)
+				)
+			)
+		)
+	)
 	(symbol
 		(lib_id "power:GND")
 		(at 91.44 191.77 0)