diff --git a/hardware/DCSensor.kicad_sch b/hardware/DCSensor.kicad_sch
index ae92aa9..7f5733d 100644
--- a/hardware/DCSensor.kicad_sch
+++ b/hardware/DCSensor.kicad_sch
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-	(symbol
-		(lib_id "power:+3.3V")
-		(at 119.38 26.67 0)
-		(unit 1)
-		(exclude_from_sim no)
-		(in_bom yes)
-		(on_board yes)
-		(dnp no)
-		(uuid "8adc973b-1878-4f7e-9bbb-669a6a9fb6e4")
-		(property "Reference" "#PWR012"
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-			(effects
-				(font
-					(size 1.27 1.27)
-				)
-				(hide yes)
-			)
-		)
-		(property "Value" "+3.3V"
-			(at 119.38 22.352 0)
-			(effects
-				(font
-					(size 1.27 1.27)
-				)
-			)
-		)
-		(property "Footprint" ""
-			(at 119.38 26.67 0)
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-				(font
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-		)
-		(property "Datasheet" ""
-			(at 119.38 26.67 0)
-			(effects
-				(font
-					(size 1.27 1.27)
-				)
-				(hide yes)
-			)
-		)
-		(property "Description" "Power symbol creates a global label with name \"+3.3V\""
-			(at 119.38 26.67 0)
-			(effects
-				(font
-					(size 1.27 1.27)
-				)
-				(hide yes)
-			)
-		)
-		(pin "1"
-			(uuid "69fedbe9-7b69-4540-965a-cfbb15093035")
-		)
-		(instances
-			(project "DCSensor"
-				(path "/5f811af7-0996-4246-ad98-8ce761ff916c"
-					(reference "#PWR012")
-					(unit 1)
-				)
-			)
-		)
-	)
 	(symbol
 		(lib_id "Device:R")
 		(at 173.99 31.75 90)
@@ -5772,6 +5851,82 @@
 			)
 		)
 	)
+	(symbol
+		(lib_id "Device:R")
+		(at 137.16 22.86 90)
+		(unit 1)
+		(exclude_from_sim no)
+		(in_bom yes)
+		(on_board yes)
+		(dnp no)
+		(uuid "8e2acab8-9dac-4758-9ef0-6dbd12d8d9ad")
+		(property "Reference" "R9"
+			(at 137.16 22.86 90)
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+			)
+		)
+		(property "Value" "10k"
+			(at 137.16 20.32 90)
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+			)
+		)
+		(property "Footprint" "Resistor_SMD:R_0402_1005Metric"
+			(at 137.16 24.638 90)
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+				(hide yes)
+			)
+		)
+		(property "Datasheet" "~"
+			(at 137.16 22.86 0)
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+				(hide yes)
+			)
+		)
+		(property "Description" "Resistor"
+			(at 137.16 22.86 0)
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+				(hide yes)
+			)
+		)
+		(property "LCSC" "C25900"
+			(at 137.16 22.86 0)
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+				(hide yes)
+			)
+		)
+		(pin "2"
+			(uuid "211eba66-4ab0-44dc-a6c4-9c909d6d97b5")
+		)
+		(pin "1"
+			(uuid "2d44c59e-8b0b-4cf8-bd32-5506d4721201")
+		)
+		(instances
+			(project "DCSensor"
+				(path "/5f811af7-0996-4246-ad98-8ce761ff916c"
+					(reference "R9")
+					(unit 1)
+				)
+			)
+		)
+	)
 	(symbol
 		(lib_id "easyeda:XL-1608UBC-04")
 		(at 38.1 90.17 180)
@@ -6491,6 +6646,71 @@
 			)
 		)
 	)
+	(symbol
+		(lib_id "power:+3.3V")
+		(at 142.24 22.86 0)
+		(unit 1)
+		(exclude_from_sim no)
+		(in_bom yes)
+		(on_board yes)
+		(dnp no)
+		(uuid "b494fa27-6322-4322-9e6f-d850f9b1b40c")
+		(property "Reference" "#PWR012"
+			(at 142.24 26.67 0)
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+				(hide yes)
+			)
+		)
+		(property "Value" "+3.3V"
+			(at 142.24 18.542 0)
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+			)
+		)
+		(property "Footprint" ""
+			(at 142.24 22.86 0)
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+				(hide yes)
+			)
+		)
+		(property "Datasheet" ""
+			(at 142.24 22.86 0)
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+				(hide yes)
+			)
+		)
+		(property "Description" "Power symbol creates a global label with name \"+3.3V\""
+			(at 142.24 22.86 0)
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+				(hide yes)
+			)
+		)
+		(pin "1"
+			(uuid "7de58765-72e9-4845-80d2-9af88d2af817")
+		)
+		(instances
+			(project "DCSensor"
+				(path "/5f811af7-0996-4246-ad98-8ce761ff916c"
+					(reference "#PWR012")
+					(unit 1)
+				)
+			)
+		)
+	)
 	(symbol
 		(lib_id "Device:L")
 		(at 68.58 30.48 90)
@@ -6558,6 +6778,72 @@
 			)
 		)
 	)
+	(symbol
+		(lib_id "power:GND")
+		(at 148.59 41.91 0)
+		(unit 1)
+		(exclude_from_sim no)
+		(in_bom yes)
+		(on_board yes)
+		(dnp no)
+		(fields_autoplaced yes)
+		(uuid "bdd13846-7896-44c9-906b-c2697a771d62")
+		(property "Reference" "#PWR013"
+			(at 148.59 48.26 0)
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+				(hide yes)
+			)
+		)
+		(property "Value" "GND"
+			(at 148.59 46.99 0)
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+			)
+		)
+		(property "Footprint" ""
+			(at 148.59 41.91 0)
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+				(hide yes)
+			)
+		)
+		(property "Datasheet" ""
+			(at 148.59 41.91 0)
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+				(hide yes)
+			)
+		)
+		(property "Description" "Power symbol creates a global label with name \"GND\" , ground"
+			(at 148.59 41.91 0)
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+				(hide yes)
+			)
+		)
+		(pin "1"
+			(uuid "236525a5-5759-4429-b519-b913147fdc18")
+		)
+		(instances
+			(project "DCSensor"
+				(path "/5f811af7-0996-4246-ad98-8ce761ff916c"
+					(reference "#PWR013")
+					(unit 1)
+				)
+			)
+		)
+	)
 	(symbol
 		(lib_id "power:+3.3V")
 		(at 243.84 30.48 0)
@@ -6830,82 +7116,6 @@
 			)
 		)
 	)
-	(symbol
-		(lib_id "Device:R")
-		(at 133.35 19.05 90)
-		(unit 1)
-		(exclude_from_sim no)
-		(in_bom yes)
-		(on_board yes)
-		(dnp no)
-		(uuid "c8c489c6-f08a-47c7-a516-213f39331a37")
-		(property "Reference" "R9"
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-		(property "Footprint" "Resistor_SMD:R_0402_1005Metric"
-			(at 133.35 20.828 90)
-			(effects
-				(font
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-				)
-				(hide yes)
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-		)
-		(property "Datasheet" "~"
-			(at 133.35 19.05 0)
-			(effects
-				(font
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-				)
-				(hide yes)
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-		(property "Description" "Resistor"
-			(at 133.35 19.05 0)
-			(effects
-				(font
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-				(hide yes)
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-		(property "LCSC" "C25900"
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-			(effects
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-				(hide yes)
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-		)
-		(pin "2"
-			(uuid "9118f349-c587-426a-889b-a38ec0e5fd21")
-		)
-		(pin "1"
-			(uuid "88d34b9e-45c6-4157-a9e7-b7ebf5c205ef")
-		)
-		(instances
-			(project "DCSensor"
-				(path "/5f811af7-0996-4246-ad98-8ce761ff916c"
-					(reference "R9")
-					(unit 1)
-				)
-			)
-		)
-	)
 	(symbol
 		(lib_id "power:GND")
 		(at 35.56 33.02 0)
diff --git a/hardware/Symbols/dc-sensor.bak b/hardware/Symbols/dc-sensor.bak
deleted file mode 100644
index 4878102..0000000
--- a/hardware/Symbols/dc-sensor.bak
+++ /dev/null
@@ -1,660 +0,0 @@
-(kicad_symbol_lib
-	(version 20231120)
-	(generator "kicad_symbol_editor")
-	(generator_version "8.0")
-	(symbol "AHT20"
-		(exclude_from_sim no)
-		(in_bom yes)
-		(on_board yes)
-		(property "Reference" "U"
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-		(property "Value" "AHT20"
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-			(effects
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-		(property "Footprint" "Footprints:AHT20"
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-				(hide yes)
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-		(property "Datasheet" ""
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-		(property "Footprint" "Footprints:ESP-12F"
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-				(at 15.24 -10.16 180)
-				(length 2.54)
-				(name "GPIO16"
-					(effects
-						(font
-							(size 1.27 1.27)
-						)
-					)
-				)
-				(number "4"
-					(effects
-						(font
-							(size 1.27 1.27)
-						)
-					)
-				)
-			)
-			(pin bidirectional line
-				(at 15.24 -5.08 180)
-				(length 2.54)
-				(name "GPIO14"
-					(effects
-						(font
-							(size 1.27 1.27)
-						)
-					)
-				)
-				(number "5"
-					(effects
-						(font
-							(size 1.27 1.27)
-						)
-					)
-				)
-			)
-			(pin bidirectional line
-				(at 15.24 0 180)
-				(length 2.54)
-				(name "GPIO12"
-					(effects
-						(font
-							(size 1.27 1.27)
-						)
-					)
-				)
-				(number "6"
-					(effects
-						(font
-							(size 1.27 1.27)
-						)
-					)
-				)
-			)
-			(pin bidirectional line
-				(at 15.24 -2.54 180)
-				(length 2.54)
-				(name "GPIO13"
-					(effects
-						(font
-							(size 1.27 1.27)
-						)
-					)
-				)
-				(number "7"
-					(effects
-						(font
-							(size 1.27 1.27)
-						)
-					)
-				)
-			)
-			(pin power_in line
-				(at 0 20.32 270)
-				(length 2.54)
-				(name "VCC"
-					(effects
-						(font
-							(size 1.27 1.27)
-						)
-					)
-				)
-				(number "8"
-					(effects
-						(font
-							(size 1.27 1.27)
-						)
-					)
-				)
-			)
-		)
-	)
-	(symbol "Si2302DS"
-		(exclude_from_sim no)
-		(in_bom yes)
-		(on_board yes)
-		(property "Reference" "Q"
-			(at 2.032 5.08 0)
-			(effects
-				(font
-					(size 1.27 1.27)
-				)
-			)
-		)
-		(property "Value" ""
-			(at 0 0 0)
-			(effects
-				(font
-					(size 1.27 1.27)
-				)
-			)
-		)
-		(property "Footprint" "Package_TO_SOT_SMD:SOT-23"
-			(at 0 0 0)
-			(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" ""
-			(at 0 0 0)
-			(effects
-				(font
-					(size 1.27 1.27)
-				)
-				(hide yes)
-			)
-		)
-		(symbol "Si2302DS_1_1"
-			(rectangle
-				(start -3.81 3.81)
-				(end 3.81 -3.81)
-				(stroke
-					(width 0)
-					(type default)
-				)
-				(fill
-					(type background)
-				)
-			)
-			(pin input line
-				(at -6.35 2.54 0)
-				(length 2.54)
-				(name "Gate"
-					(effects
-						(font
-							(size 1.27 1.27)
-						)
-					)
-				)
-				(number "1"
-					(effects
-						(font
-							(size 1.27 1.27)
-						)
-					)
-				)
-			)
-			(pin output line
-				(at -6.35 0 0)
-				(length 2.54)
-				(name "Source"
-					(effects
-						(font
-							(size 1.27 1.27)
-						)
-					)
-				)
-				(number "2"
-					(effects
-						(font
-							(size 1.27 1.27)
-						)
-					)
-				)
-			)
-			(pin input line
-				(at -6.35 -2.54 0)
-				(length 2.54)
-				(name "Drain"
-					(effects
-						(font
-							(size 1.27 1.27)
-						)
-					)
-				)
-				(number "3"
-					(effects
-						(font
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-					)
-				)
-			)
-		)
-	)
-)
diff --git a/hardware/Symbols/dc-sensor.kicad_sym b/hardware/Symbols/dc-sensor.kicad_sym
index 4878102..a2ccc50 100644
--- a/hardware/Symbols/dc-sensor.kicad_sym
+++ b/hardware/Symbols/dc-sensor.kicad_sym
@@ -547,7 +547,7 @@
 		(in_bom yes)
 		(on_board yes)
 		(property "Reference" "Q"
-			(at 2.032 5.08 0)
+			(at 0 5.08 0)
 			(effects
 				(font
 					(size 1.27 1.27)