diff --git a/my_additions.kicad_blocks/5V buzzer.kicad_block/5V buzzer.json b/my_additions.kicad_blocks/5V_Buzzer.kicad_block/5V_Buzzer.json
similarity index 100%
rename from my_additions.kicad_blocks/5V buzzer.kicad_block/5V buzzer.json
rename to my_additions.kicad_blocks/5V_Buzzer.kicad_block/5V_Buzzer.json
diff --git a/my_additions.kicad_blocks/5V buzzer.kicad_block/5V buzzer.kicad_sch b/my_additions.kicad_blocks/5V_Buzzer.kicad_block/5V_Buzzer.kicad_sch
similarity index 70%
rename from my_additions.kicad_blocks/5V buzzer.kicad_block/5V buzzer.kicad_sch
rename to my_additions.kicad_blocks/5V_Buzzer.kicad_block/5V_Buzzer.kicad_sch
index a4fa158..7a87e25 100644
--- a/my_additions.kicad_blocks/5V buzzer.kicad_block/5V buzzer.kicad_sch	
+++ b/my_additions.kicad_blocks/5V_Buzzer.kicad_block/5V_Buzzer.kicad_sch
@@ -2,7 +2,7 @@
 	(version 20250114)
 	(generator "eeschema")
 	(generator_version "9.0")
-	(uuid "5636ffba-d91e-4ac5-9e0b-164d4403ecd0")
+	(uuid "c65fa7d3-7037-4816-8b58-30b4bd144952")
 	(paper "A4")
 	(lib_symbols
 		(symbol "Device:Buzzer"
@@ -166,6 +166,176 @@
 			)
 			(embedded_fonts no)
 		)
+		(symbol "Device:D_Small"
+			(pin_numbers
+				(hide yes)
+			)
+			(pin_names
+				(offset 0.254)
+				(hide yes)
+			)
+			(exclude_from_sim no)
+			(in_bom yes)
+			(on_board yes)
+			(property "Reference" "D"
+				(at -1.27 2.032 0)
+				(effects
+					(font
+						(size 1.27 1.27)
+					)
+					(justify left)
+				)
+			)
+			(property "Value" "D_Small"
+				(at -3.81 -2.032 0)
+				(effects
+					(font
+						(size 1.27 1.27)
+					)
+					(justify left)
+				)
+			)
+			(property "Footprint" ""
+				(at 0 0 90)
+				(effects
+					(font
+						(size 1.27 1.27)
+					)
+					(hide yes)
+				)
+			)
+			(property "Datasheet" "~"
+				(at 0 0 90)
+				(effects
+					(font
+						(size 1.27 1.27)
+					)
+					(hide yes)
+				)
+			)
+			(property "Description" "Diode, small symbol"
+				(at 0 0 0)
+				(effects
+					(font
+						(size 1.27 1.27)
+					)
+					(hide yes)
+				)
+			)
+			(property "Sim.Device" "D"
+				(at 0 0 0)
+				(effects
+					(font
+						(size 1.27 1.27)
+					)
+					(hide yes)
+				)
+			)
+			(property "Sim.Pins" "1=K 2=A"
+				(at 0 0 0)
+				(effects
+					(font
+						(size 1.27 1.27)
+					)
+					(hide yes)
+				)
+			)
+			(property "ki_keywords" "diode"
+				(at 0 0 0)
+				(effects
+					(font
+						(size 1.27 1.27)
+					)
+					(hide yes)
+				)
+			)
+			(property "ki_fp_filters" "TO-???* *_Diode_* *SingleDiode* D_*"
+				(at 0 0 0)
+				(effects
+					(font
+						(size 1.27 1.27)
+					)
+					(hide yes)
+				)
+			)
+			(symbol "D_Small_0_1"
+				(polyline
+					(pts
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+					)
+					(stroke
+						(width 0)
+						(type default)
+					)
+					(fill
+						(type none)
+					)
+				)
+				(polyline
+					(pts
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+					)
+					(stroke
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+						(type default)
+					)
+					(fill
+						(type none)
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+					)
+					(stroke
+						(width 0.254)
+						(type default)
+					)
+					(fill
+						(type none)
+					)
+				)
+			)
+			(symbol "D_Small_1_1"
+				(pin passive line
+					(at -2.54 0 0)
+					(length 1.778)
+					(name "K"
+						(effects
+							(font
+								(size 1.27 1.27)
+							)
+						)
+					)
+					(number "1"
+						(effects
+							(font
+								(size 1.27 1.27)
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+						)
+					)
+				)
+				(pin passive line
+					(at 2.54 0 180)
+					(length 1.778)
+					(name "A"
+						(effects
+							(font
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+						)
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+					(number "2"
+						(effects
+							(font
+								(size 1.27 1.27)
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+			)
+			(embedded_fonts no)
+		)
 		(symbol "Device:R_Small"
 			(pin_numbers
 				(hide yes)
@@ -178,21 +348,19 @@
 			(in_bom yes)
 			(on_board yes)
 			(property "Reference" "R"
-				(at 0.762 0.508 0)
+				(at 0 0 90)
 				(effects
 					(font
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+						(size 1.016 1.016)
 					)
-					(justify left)
 				)
 			)
 			(property "Value" "R_Small"
-				(at 0.762 -1.016 0)
+				(at 1.778 0 90)
 				(effects
 					(font
 						(size 1.27 1.27)
 					)
-					(justify left)
 				)
 			)
 			(property "Footprint" ""
@@ -295,6 +463,7 @@
 		)
 		(symbol "Transistor_FET:AO3400A"
 			(pin_names
+				(offset 0)
 				(hide yes)
 			)
 			(exclude_from_sim no)
@@ -510,7 +679,7 @@
 				)
 				(polyline
 					(pts
-						(xy 2.794 0.508) (xy 2.921 0.381) (xy 3.683 0.381) (xy 3.81 0.254)
+						(xy 2.921 0.381) (xy 3.683 0.381)
 					)
 					(stroke
 						(width 0)
@@ -593,8 +762,12 @@
 		)
 		(symbol "power:+5V"
 			(power)
+			(pin_numbers
+				(hide yes)
+			)
 			(pin_names
 				(offset 0)
+				(hide yes)
 			)
 			(exclude_from_sim no)
 			(in_bom yes)
@@ -694,8 +867,7 @@
 				(pin power_in line
 					(at 0 0 90)
 					(length 0)
-					(hide yes)
-					(name "+5V"
+					(name "~"
 						(effects
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@@ -816,126 +988,126 @@
 		)
 	)
 	(junction
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+		(at 140.335 86.36)
 		(diameter 0)
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-		(uuid "3039a8f4-77e1-485c-a518-d826cbb26e2f")
+		(uuid "54648cf7-7d64-4461-9eca-24521a762fe7")
 	)
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+		(at 140.335 91.44)
 		(diameter 0)
 		(color 0 0 0 0)
-		(uuid "4c64c8c8-ad6f-467c-ad33-11a5b6cee856")
+		(uuid "b2f80437-81d2-4cca-9f21-bfa6d686255f")
 	)
 	(junction
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+		(at 132.08 97.79)
 		(diameter 0)
 		(color 0 0 0 0)
-		(uuid "8d465e12-c7c4-4491-817e-884e4ed541c1")
+		(uuid "eab0fb8b-67c1-4632-a912-e1d30a39089f")
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-		(uuid "19108629-d9b6-47d5-aaa2-20b7d6999936")
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-		(uuid "d40b9329-25a8-4060-a214-b8f05e7e6db9")
+		(uuid "f104a14d-2266-4d01-9661-291cb487a1fd")
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-		(uuid "f664e912-4d47-4094-9e79-a0208b3104fb")
+		(uuid "fcb1b2a1-65eb-475a-82dc-37ad9b7c7aa2")
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 	(global_label "BUZZER"
 		(shape input)
-		(at 148.59 133.985 180)
+		(at 125.73 97.79 180)
 		(fields_autoplaced yes)
 		(effects
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@@ -943,9 +1115,9 @@
 			)
 			(justify right)
 		)
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+		(uuid "7e3aee71-1f47-4b7c-b184-baee6f8ea745")
 		(property "Intersheetrefs" "${INTERSHEET_REFS}"
-			(at 138.2457 133.985 0)
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@@ -957,16 +1129,16 @@
 	)
 	(symbol
 		(lib_id "power:+5V")
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+		(at 140.335 85.09 0)
 		(unit 1)
 		(exclude_from_sim no)
 		(in_bom yes)
 		(on_board yes)
 		(dnp no)
 		(fields_autoplaced yes)
-		(uuid "2b762388-d500-4dcc-83b5-44e835163aef")
-		(property "Reference" "#PWR063"
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+		(uuid "119d0bd5-ea6f-4206-ac45-261bcd5410ae")
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 			(effects
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@@ -975,7 +1147,7 @@
 			)
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@@ -983,7 +1155,7 @@
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@@ -992,7 +1164,7 @@
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@@ -1001,7 +1173,7 @@
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@@ -1010,47 +1182,110 @@
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 		(instances
-			(project "McST"
-				(path "/67bd1ba0-a9dd-49f2-b757-0ef950802e73"
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+			(project "McURC"
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 	(symbol
-		(lib_id "Device:Buzzer")
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+		(lib_id "power:GND")
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 		(on_board yes)
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+		(property "Value" "GND"
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+				(hide yes)
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+				(path "/400cd080-2a0d-4a9f-b493-73c63d447552/c5d6a6bb-d31b-47b9-9ee9-978acdb5f96b"
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@@ -1059,7 +1294,7 @@
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@@ -1076,8 +1311,87 @@
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-		(property "Link" "https://aliexpress.ru/item/1005005412732718.html?sku_id=12000032953356348"
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+				(justify left)
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+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+				(hide yes)
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+			(at 142.24 86.36 90)
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+			(effects
+				(font
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@@ -1092,8 +1406,8 @@
 			(uuid "4cd23bd3-f07d-4578-a498-19c0aa7b131a")
 		)
 		(instances
-			(project "McST"
-				(path "/67bd1ba0-a9dd-49f2-b757-0ef950802e73"
+			(project "McURC"
+				(path "/400cd080-2a0d-4a9f-b493-73c63d447552/c5d6a6bb-d31b-47b9-9ee9-978acdb5f96b"
 					(reference "BZ1")
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@@ -1102,33 +1416,32 @@
 	)
 	(symbol
 		(lib_id "Device:R_Small")
-		(at 161.925 125.095 180)
+		(at 132.08 100.965 0)
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-		(property "Footprint" "Resistor_SMD:R_0805_2012Metric"
-			(at 161.925 125.095 0)
+		(property "Footprint" "Resistor_SMD:R_0603_1608Metric"
+			(at 132.08 100.965 0)
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@@ -1137,7 +1450,7 @@
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@@ -1146,7 +1459,7 @@
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@@ -1154,8 +1467,8 @@
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 		)
-		(property "Link" "https://www.chipdip.ru/product/0.125w-0805-100-om-1"
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+		(property "Link" ""
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 			(effects
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@@ -1164,15 +1477,102 @@
 			)
 		)
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 		)
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 		)
 		(instances
-			(project "McST"
-				(path "/67bd1ba0-a9dd-49f2-b757-0ef950802e73"
-					(reference "R20")
+			(project "McURC"
+				(path "/400cd080-2a0d-4a9f-b493-73c63d447552/c5d6a6bb-d31b-47b9-9ee9-978acdb5f96b"
+					(reference "R49")
+					(unit 1)
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+		(lib_id "Device:D_Small")
+		(at 139.065 88.9 270)
+		(unit 1)
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+		(on_board yes)
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+		(uuid "71ed2d82-aa36-464b-83a4-4cd2d2693d27")
+		(property "Reference" "D5"
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+				(font
+					(size 1.27 1.27)
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+				(justify right)
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+		(property "Value" "1n4148w"
+			(at 137.6 90.145 90)
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+				(justify right)
+			)
+		)
+		(property "Footprint" "my_additions:D_SOD-123_with_D_symbol"
+			(at 139.065 88.9 90)
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+				(hide yes)
+			)
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+		(property "Datasheet" "~"
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+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+				(hide yes)
+			)
+		)
+		(property "Description" "Diode, small symbol"
+			(at 139.065 88.9 0)
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+				(hide yes)
+			)
+		)
+		(property "Sim.Device" "D"
+			(at 139.065 88.9 0)
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+				(hide yes)
+			)
+		)
+		(property "Sim.Pins" "1=K 2=A"
+			(at 139.065 88.9 0)
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+				(hide yes)
+			)
+		)
+		(pin "1"
+			(uuid "74391b14-bbfa-4a00-8655-543a47b3cbd0")
+		)
+		(pin "2"
+			(uuid "bc52b07e-e7d0-4949-aea9-163789dbeabe")
+		)
+		(instances
+			(project "McURC"
+				(path "/400cd080-2a0d-4a9f-b493-73c63d447552/c5d6a6bb-d31b-47b9-9ee9-978acdb5f96b"
+					(reference "D5")
 					(unit 1)
 				)
 			)
@@ -1180,15 +1580,15 @@
 	)
 	(symbol
 		(lib_id "Transistor_FET:AO3400A")
-		(at 160.655 133.985 0)
+		(at 137.795 97.79 0)
 		(unit 1)
 		(exclude_from_sim no)
 		(in_bom yes)
 		(on_board yes)
 		(dnp no)
-		(uuid "8db41cbc-d61b-407c-afbc-2f038704f7de")
-		(property "Reference" "Q2"
-			(at 158.75 130.81 0)
+		(uuid "cfd6931a-8ab7-442d-a6b5-3f907eb04a21")
+		(property "Reference" "Q5"
+			(at 135.89 94.615 0)
 			(effects
 				(font
 					(size 1.27 1.27)
@@ -1196,7 +1596,7 @@
 			)
 		)
 		(property "Value" "AO3400A"
-			(at 166.37 133.35 90)
+			(at 143.51 97.155 90)
 			(effects
 				(font
 					(size 1.27 1.27)
@@ -1204,7 +1604,7 @@
 			)
 		)
 		(property "Footprint" "Package_TO_SOT_SMD:SOT-23"
-			(at 165.735 135.89 0)
+			(at 142.875 99.695 0)
 			(effects
 				(font
 					(size 1.27 1.27)
@@ -1215,7 +1615,7 @@
 			)
 		)
 		(property "Datasheet" "http://www.aosmd.com/pdfs/datasheet/AO3400A.pdf"
-			(at 160.655 133.985 0)
+			(at 137.795 97.79 0)
 			(effects
 				(font
 					(size 1.27 1.27)
@@ -1225,7 +1625,7 @@
 			)
 		)
 		(property "Description" ""
-			(at 160.655 133.985 0)
+			(at 137.795 97.79 0)
 			(effects
 				(font
 					(size 1.27 1.27)
@@ -1233,8 +1633,8 @@
 				(hide yes)
 			)
 		)
-		(property "Link" "https://www.chipdip.ru/product/ao3400a"
-			(at 160.655 133.985 0)
+		(property "Link" ""
+			(at 137.795 97.79 0)
 			(effects
 				(font
 					(size 1.27 1.27)
@@ -1243,18 +1643,18 @@
 			)
 		)
 		(pin "1"
-			(uuid "e6f5ffe9-f85d-4a85-8399-a7a16f51df03")
+			(uuid "1211e8f8-d904-47cd-acf1-313ec70f52dd")
 		)
 		(pin "2"
-			(uuid "456a89b4-3de6-4dce-b505-7cae73b1b5cc")
+			(uuid "9c9f4564-0a3a-4fae-aa10-c438dda4146c")
 		)
 		(pin "3"
-			(uuid "9be95e73-3241-485f-8c20-31b41f8aefe8")
+			(uuid "c4b00d99-eeb4-489a-b365-ef65b8ac02c5")
 		)
 		(instances
-			(project "McST"
-				(path "/67bd1ba0-a9dd-49f2-b757-0ef950802e73"
-					(reference "Q2")
+			(project "McURC"
+				(path "/400cd080-2a0d-4a9f-b493-73c63d447552/c5d6a6bb-d31b-47b9-9ee9-978acdb5f96b"
+					(reference "Q5")
 					(unit 1)
 				)
 			)
@@ -1262,15 +1662,15 @@
 	)
 	(symbol
 		(lib_id "power:GND")
-		(at 154.94 140.335 0)
+		(at 132.08 104.14 0)
 		(unit 1)
 		(exclude_from_sim no)
 		(in_bom yes)
 		(on_board yes)
 		(dnp no)
-		(uuid "9c68fadd-2014-4ac1-a137-ec3590c17fd8")
-		(property "Reference" "#PWR034"
-			(at 154.94 146.685 0)
+		(uuid "ebebec8d-0756-485a-818e-2b7f327b2ab9")
+		(property "Reference" "#PWR0204"
+			(at 132.08 110.49 0)
 			(effects
 				(font
 					(size 1.27 1.27)
@@ -1279,7 +1679,7 @@
 			)
 		)
 		(property "Value" "GND"
-			(at 154.94 144.145 0)
+			(at 132.08 107.95 0)
 			(effects
 				(font
 					(size 1.27 1.27)
@@ -1288,7 +1688,7 @@
 			)
 		)
 		(property "Footprint" ""
-			(at 154.94 140.335 0)
+			(at 132.08 104.14 0)
 			(effects
 				(font
 					(size 1.27 1.27)
@@ -1297,7 +1697,7 @@
 			)
 		)
 		(property "Datasheet" ""
-			(at 154.94 140.335 0)
+			(at 132.08 104.14 0)
 			(effects
 				(font
 					(size 1.27 1.27)
@@ -1306,7 +1706,7 @@
 			)
 		)
 		(property "Description" "Power symbol creates a global label with name \"GND\" , ground"
-			(at 154.94 140.335 0)
+			(at 132.08 104.14 0)
 			(effects
 				(font
 					(size 1.27 1.27)
@@ -1315,233 +1715,12 @@
 			)
 		)
 		(pin "1"
-			(uuid "9dc25e6f-b6d5-4448-95e1-657e977ad7c6")
+			(uuid "3bca38ba-55f7-423b-b121-ed182608efde")
 		)
 		(instances
-			(project "McST"
-				(path "/67bd1ba0-a9dd-49f2-b757-0ef950802e73"
-					(reference "#PWR034")
-					(unit 1)
-				)
-			)
-		)
-	)
-	(symbol
-		(lib_id "Device:R_Small")
-		(at 154.94 137.16 0)
-		(mirror x)
-		(unit 1)
-		(exclude_from_sim no)
-		(in_bom yes)
-		(on_board yes)
-		(dnp no)
-		(uuid "e37dae1f-4db9-475a-aefc-a15a00880cad")
-		(property "Reference" "R19"
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-		(property "Footprint" "Resistor_SMD:R_0805_2012Metric"
-			(at 154.94 137.16 0)
-			(effects
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-				(hide yes)
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-		(property "Datasheet" "~"
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-		(property "Link" "https://www.chipdip.ru/product/0.125w-0805-10-kom-1"
-			(at 154.94 137.16 0)
-			(effects
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-				(path "/67bd1ba0-a9dd-49f2-b757-0ef950802e73"
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-		(at 151.765 133.985 90)
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-		(uuid "f04606fe-16e4-40f9-90ff-b9ba6647af44")
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-			(at 151.765 133.985 0)
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-		(property "Link" "https://www.chipdip.ru/product/0.125w-0805-22-om-1"
-			(at 151.765 133.985 0)
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-				(hide yes)
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-		(pin "1"
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-			(uuid "590cd6a9-c9a2-438c-9d29-944358fcfcda")
-		)
-		(instances
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-				(path "/67bd1ba0-a9dd-49f2-b757-0ef950802e73"
-					(reference "R18")
-					(unit 1)
-				)
-			)
-		)
-	)
-	(symbol
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-		(at 163.195 140.335 0)
-		(unit 1)
-		(exclude_from_sim no)
-		(in_bom yes)
-		(on_board yes)
-		(dnp no)
-		(uuid "f27b2a1b-a5b3-4174-9af6-9cb034d4bcc9")
-		(property "Reference" "#PWR035"
-			(at 163.195 146.685 0)
-			(effects
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-				(hide yes)
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-		(property "Value" "GND"
-			(at 163.195 144.145 0)
-			(effects
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-				(hide yes)
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-		)
-		(property "Footprint" ""
-			(at 163.195 140.335 0)
-			(effects
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-				(hide yes)
-			)
-		)
-		(property "Datasheet" ""
-			(at 163.195 140.335 0)
-			(effects
-				(font
-					(size 1.27 1.27)
-				)
-				(hide yes)
-			)
-		)
-		(property "Description" "Power symbol creates a global label with name \"GND\" , ground"
-			(at 163.195 140.335 0)
-			(effects
-				(font
-					(size 1.27 1.27)
-				)
-				(hide yes)
-			)
-		)
-		(pin "1"
-			(uuid "b9c60b29-0c10-444f-b8d8-f503cb100933")
-		)
-		(instances
-			(project "McST"
-				(path "/67bd1ba0-a9dd-49f2-b757-0ef950802e73"
-					(reference "#PWR035")
+			(project "McURC"
+				(path "/400cd080-2a0d-4a9f-b493-73c63d447552/c5d6a6bb-d31b-47b9-9ee9-978acdb5f96b"
+					(reference "#PWR0204")
 					(unit 1)
 				)
 			)
diff --git a/my_additions.kicad_sym b/my_additions.kicad_sym
index 389ec6b..38bdc96 100644
--- a/my_additions.kicad_sym
+++ b/my_additions.kicad_sym
@@ -502,6 +502,131 @@
 		)
 		(embedded_fonts no)
 	)
+	(symbol "+VSERVO"
+		(power)
+		(pin_numbers
+			(hide yes)
+		)
+		(pin_names
+			(offset 0)
+			(hide yes)
+		)
+		(exclude_from_sim no)
+		(in_bom yes)
+		(on_board yes)
+		(property "Reference" "#PWR"
+			(at 0 9.652 0)
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+				(hide yes)
+			)
+		)
+		(property "Value" "+VSERVO"
+			(at 0 3.302 0)
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+			)
+		)
+		(property "Footprint" ""
+			(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" "Power symbol creates a global label with name \"+VSERVO\""
+			(at 0.508 7.62 0)
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+				(hide yes)
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