diff --git a/hardware/DCSensor.kicad_pcb b/hardware/DCSensor.kicad_pcb
index 1b7e4ae..607740e 100644
--- a/hardware/DCSensor.kicad_pcb
+++ b/hardware/DCSensor.kicad_pcb
@@ -159,6 +159,8 @@
 	(net 37 "Net-(U1-EN)")
 	(net 38 "Net-(U1-GPIO15)")
 	(net 39 "unconnected-(U5-NC-Pad8)")
+	(net 40 "Net-(JP3-A)")
+	(net 41 "Net-(JP4-A)")
 	(footprint "Resistor_SMD:R_0402_1005Metric"
 		(layer "F.Cu")
 		(uuid "04f8ed40-1315-422e-ac42-58cec3f8bd5f")
@@ -244,7 +246,7 @@
 		(path "/b3e558eb-99d3-4417-a1cc-a5a67c243d8d")
 		(sheetname "Root")
 		(sheetfile "DCSensor.kicad_sch")
-		(attr smd dnp)
+		(attr smd)
 		(fp_line
 			(start -0.153641 0.38)
 			(end 0.153641 0.38)
@@ -471,7 +473,7 @@
 		(path "/8c58522e-ddc8-4eff-a158-441077b18cb0")
 		(sheetname "Root")
 		(sheetfile "DCSensor.kicad_sch")
-		(attr smd dnp)
+		(attr smd)
 		(fp_line
 			(start -0.153641 0.38)
 			(end 0.153641 0.38)
@@ -1997,7 +1999,7 @@
 	(footprint "Package_TO_SOT_SMD:SOT-143"
 		(layer "F.Cu")
 		(uuid "4ec5ce49-b61e-4f2b-b8e3-7985a83ea2fa")
-		(at 123.55 90.353208 90)
+		(at 122.75 90.353208 90)
 		(descr "SOT-143 https://www.nxp.com/docs/en/package-information/SOT143B.pdf")
 		(tags "SOT-143")
 		(property "Reference" "D1"
@@ -3267,16 +3269,16 @@
 			)
 		)
 	)
-	(footprint "Jumper:SolderJumper-2_P1.3mm_Bridged_Pad1.0x1.5mm"
+	(footprint "Footprints:SolderJumper-2_P1.3mm_Open_Pad0.5x0.8mm"
 		(layer "F.Cu")
 		(uuid "82268a78-e063-4f69-8673-e60a89cb0aa4")
-		(at 119.05 90)
-		(descr "SMD Solder Jumper, 1x1.5mm Pads, 0.3mm gap, bridged with 1 copper strip")
-		(tags "net tie solder jumper bridged")
+		(at 118.5 90)
+		(descr "SMD Solder Jumper, 1x1.5mm Pads, 0.3mm gap, open")
+		(tags "solder jumper open")
 		(property "Reference" "JP2"
-			(at -0.05 2 0)
+			(at 0 1.5 0)
 			(layer "F.SilkS")
-			(uuid "ca0ff25a-d4e8-40bd-97f8-c9974998470a")
+			(uuid "fc5212db-0365-4c78-a748-98c0a50d1202")
 			(effects
 				(font
 					(size 1 1)
@@ -3285,10 +3287,9 @@
 			)
 		)
 		(property "Value" "USB D+ Jumper"
-			(at 0 1.9 0)
+			(at 0 1.55 0)
 			(layer "F.Fab")
-			(hide yes)
-			(uuid "578b53ea-d213-4670-ad3e-e842b7e2b7bb")
+			(uuid "cf842d61-1ea4-4cae-bf8a-737281c8dd07")
 			(effects
 				(font
 					(size 1 1)
@@ -3296,12 +3297,12 @@
 				)
 			)
 		)
-		(property "Footprint" "Jumper:SolderJumper-2_P1.3mm_Bridged_Pad1.0x1.5mm"
+		(property "Footprint" "Footprints:SolderJumper-2_P1.3mm_Open_Pad0.5x0.8mm"
 			(at 0 0 0)
 			(unlocked yes)
 			(layer "F.Fab")
 			(hide yes)
-			(uuid "323e4e88-e72d-4c86-845f-c1de0a14acd8")
+			(uuid "6a3edc05-f06f-4904-897d-c2c2aa9f3931")
 			(effects
 				(font
 					(size 1.27 1.27)
@@ -3314,7 +3315,7 @@
 			(unlocked yes)
 			(layer "F.Fab")
 			(hide yes)
-			(uuid "c1c6e25e-5506-48b2-b8db-195ae23234f8")
+			(uuid "5b52eaca-8459-487f-897c-8b91ea99b88c")
 			(effects
 				(font
 					(size 1.27 1.27)
@@ -3327,7 +3328,7 @@
 			(unlocked yes)
 			(layer "F.Fab")
 			(hide yes)
-			(uuid "1bb93422-7375-4609-aa5a-7ad04f372e3b")
+			(uuid "ef1c29a9-f472-4bf8-bf35-2269f23563ef")
 			(effects
 				(font
 					(size 1.27 1.27)
@@ -3341,116 +3342,276 @@
 		(sheetfile "DCSensor.kicad_sch")
 		(zone_connect 1)
 		(attr exclude_from_pos_files exclude_from_bom)
-		(net_tie_pad_groups "1, 2")
-		(fp_poly
-			(pts
-				(xy -0.25 -0.3) (xy 0.25 -0.3) (xy 0.25 0.3) (xy -0.25 0.3)
-			)
-			(stroke
-				(width 0)
-				(type solid)
-			)
-			(fill solid)
-			(layer "F.Cu")
-			(uuid "8bbb6b3a-c35d-44a5-a91a-b6a14916ed19")
-		)
 		(fp_line
-			(start -1.4 -1)
-			(end 1.4 -1)
+			(start -0.86 -0.66)
+			(end 0.86 -0.66)
 			(stroke
 				(width 0.12)
 				(type solid)
 			)
 			(layer "F.SilkS")
-			(uuid "98ff5f2b-8e45-489e-9c67-34653691c524")
+			(uuid "a1c96670-139c-493b-aa8c-c8206c5ba055")
 		)
 		(fp_line
-			(start -1.4 1)
-			(end -1.4 -1)
+			(start -0.86 0.66)
+			(end -0.86 -0.66)
 			(stroke
 				(width 0.12)
 				(type solid)
 			)
 			(layer "F.SilkS")
-			(uuid "d5afcc0f-a4b8-4419-ba1c-987e8fec6f56")
+			(uuid "f89a5c39-a6ef-478c-88b7-2d9335a0e3bd")
 		)
 		(fp_line
-			(start 1.4 -1)
-			(end 1.4 1)
+			(start 0.86 -0.66)
+			(end 0.86 0.66)
 			(stroke
 				(width 0.12)
 				(type solid)
 			)
 			(layer "F.SilkS")
-			(uuid "6463493b-445a-4e85-a5b6-ed7ee7971a5f")
+			(uuid "1ee41a04-fbcc-42ba-8f93-48635aca66d6")
 		)
 		(fp_line
-			(start 1.4 1)
-			(end -1.4 1)
+			(start 0.86 0.66)
+			(end -0.86 0.66)
 			(stroke
 				(width 0.12)
 				(type solid)
 			)
 			(layer "F.SilkS")
-			(uuid "16779e71-3f26-44c5-a454-ed77c49e8bcf")
+			(uuid "44ae127a-690f-4e9d-bcf1-d102cee9dc72")
 		)
 		(fp_line
-			(start -1.65 -1.25)
-			(end -1.65 1.25)
+			(start -0.9 -0.7)
+			(end -0.9 0.7)
 			(stroke
 				(width 0.05)
 				(type solid)
 			)
 			(layer "F.CrtYd")
-			(uuid "6b7dd688-a908-4f52-b69b-1715b8710415")
+			(uuid "b262c507-1a51-42bd-9230-54a3534192b0")
 		)
 		(fp_line
-			(start -1.65 -1.25)
-			(end 1.65 -1.25)
+			(start -0.9 -0.7)
+			(end 0.9 -0.7)
 			(stroke
 				(width 0.05)
 				(type solid)
 			)
 			(layer "F.CrtYd")
-			(uuid "5ead06da-842d-494f-9057-bfd489e4c3b1")
+			(uuid "79ee2ccf-6618-4d2c-b109-986de30d1050")
 		)
 		(fp_line
-			(start 1.65 1.25)
-			(end -1.65 1.25)
+			(start 0.9 0.7)
+			(end -0.9 0.7)
 			(stroke
 				(width 0.05)
 				(type solid)
 			)
 			(layer "F.CrtYd")
-			(uuid "5db89b00-b9ac-4fa2-87b4-aa6462dbad0a")
+			(uuid "7c9ba40f-911e-4b95-a0fd-546033c3598c")
 		)
 		(fp_line
-			(start 1.65 1.25)
-			(end 1.65 -1.25)
+			(start 0.9 0.7)
+			(end 0.9 -0.7)
 			(stroke
 				(width 0.05)
 				(type solid)
 			)
 			(layer "F.CrtYd")
-			(uuid "9fd6c033-d0a2-465a-8a04-f10d3148fad9")
+			(uuid "17a11a8e-342f-410f-aa50-ae1180fc72d6")
 		)
 		(pad "1" smd rect
-			(at -0.65 0)
-			(size 1 1.5)
+			(at -0.4 0)
+			(size 0.5 0.8)
 			(layers "F.Cu" "F.Mask")
 			(net 34 "Net-(J1-D-)")
 			(pinfunction "A")
 			(pintype "passive")
-			(uuid "64fe7d7f-eda3-4583-9f3c-18ae87f6d89f")
+			(uuid "d06261be-13ba-4766-9f1c-0b05479105a1")
 		)
 		(pad "2" smd rect
-			(at 0.65 0)
-			(size 1 1.5)
+			(at 0.4 0)
+			(size 0.5 0.8)
 			(layers "F.Cu" "F.Mask")
 			(net 7 "/D-")
 			(pinfunction "B")
 			(pintype "passive")
-			(uuid "a77abb0d-bfc2-478c-b659-7a404d8b9372")
+			(uuid "06efeaeb-4698-4838-8b54-1ddc33f6d0f6")
+		)
+	)
+	(footprint "Footprints:SolderJumper-2_P1.3mm_Open_Pad0.5x0.8mm"
+		(layer "F.Cu")
+		(uuid "8464bc94-23e7-4e32-ab58-d9d32268039c")
+		(at 123.5 86 -90)
+		(descr "SMD Solder Jumper, 1x1.5mm Pads, 0.3mm gap, open")
+		(tags "solder jumper open")
+		(property "Reference" "JP4"
+			(at -1.6 -0.5 180)
+			(layer "F.SilkS")
+			(uuid "bcf0ecb4-17b7-4fe6-9ffb-98f26dac7f54")
+			(effects
+				(font
+					(size 1 1)
+					(thickness 0.15)
+				)
+			)
+		)
+		(property "Value" "Reset Jumper"
+			(at 0 1.55 90)
+			(layer "F.Fab")
+			(hide yes)
+			(uuid "1fe34f8d-866e-483d-95a2-3e676d698492")
+			(effects
+				(font
+					(size 1 1)
+					(thickness 0.15)
+				)
+			)
+		)
+		(property "Footprint" "Footprints:SolderJumper-2_P1.3mm_Open_Pad0.5x0.8mm"
+			(at 0 0 -90)
+			(unlocked yes)
+			(layer "F.Fab")
+			(hide yes)
+			(uuid "4eb133b9-a844-401a-b489-e23b5c0c7b9d")
+			(effects
+				(font
+					(size 1.27 1.27)
+					(thickness 0.15)
+				)
+			)
+		)
+		(property "Datasheet" ""
+			(at 0 0 -90)
+			(unlocked yes)
+			(layer "F.Fab")
+			(hide yes)
+			(uuid "edeb10b6-7bf7-48b3-a360-bc24f0e557de")
+			(effects
+				(font
+					(size 1.27 1.27)
+					(thickness 0.15)
+				)
+			)
+		)
+		(property "Description" "Solder Jumper, 2-pole, closed/bridged"
+			(at 0 0 -90)
+			(unlocked yes)
+			(layer "F.Fab")
+			(hide yes)
+			(uuid "eddfad4c-84eb-4308-a66b-80ca21439252")
+			(effects
+				(font
+					(size 1.27 1.27)
+					(thickness 0.15)
+				)
+			)
+		)
+		(property ki_fp_filters "SolderJumper*Bridged*")
+		(path "/9da449ea-da61-4e85-a8c4-e07d93d8b269")
+		(sheetname "Root")
+		(sheetfile "DCSensor.kicad_sch")
+		(zone_connect 1)
+		(attr exclude_from_pos_files exclude_from_bom)
+		(fp_line
+			(start -0.86 0.66)
+			(end -0.86 -0.66)
+			(stroke
+				(width 0.12)
+				(type solid)
+			)
+			(layer "F.SilkS")
+			(uuid "01077d45-3b99-4850-a6df-4aaadd9dc932")
+		)
+		(fp_line
+			(start 0.86 0.66)
+			(end -0.86 0.66)
+			(stroke
+				(width 0.12)
+				(type solid)
+			)
+			(layer "F.SilkS")
+			(uuid "48ea6c1e-3669-4873-92b8-85f32a9a083c")
+		)
+		(fp_line
+			(start -0.86 -0.66)
+			(end 0.86 -0.66)
+			(stroke
+				(width 0.12)
+				(type solid)
+			)
+			(layer "F.SilkS")
+			(uuid "f7dcac7f-accb-4473-b91d-0ec319e4d9e5")
+		)
+		(fp_line
+			(start 0.86 -0.66)
+			(end 0.86 0.66)
+			(stroke
+				(width 0.12)
+				(type solid)
+			)
+			(layer "F.SilkS")
+			(uuid "34ad52a0-0711-4a44-848d-34c5d6e9939e")
+		)
+		(fp_line
+			(start 0.9 0.7)
+			(end -0.9 0.7)
+			(stroke
+				(width 0.05)
+				(type solid)
+			)
+			(layer "F.CrtYd")
+			(uuid "291fbcbd-c78d-44f9-a3bf-97e2e21c7fc4")
+		)
+		(fp_line
+			(start 0.9 0.7)
+			(end 0.9 -0.7)
+			(stroke
+				(width 0.05)
+				(type solid)
+			)
+			(layer "F.CrtYd")
+			(uuid "2fc2332f-7be8-4cd1-8ebd-b0a5805239a8")
+		)
+		(fp_line
+			(start -0.9 -0.7)
+			(end -0.9 0.7)
+			(stroke
+				(width 0.05)
+				(type solid)
+			)
+			(layer "F.CrtYd")
+			(uuid "fd7572bf-42b3-4e74-95b7-1b8cac5844e0")
+		)
+		(fp_line
+			(start -0.9 -0.7)
+			(end 0.9 -0.7)
+			(stroke
+				(width 0.05)
+				(type solid)
+			)
+			(layer "F.CrtYd")
+			(uuid "b2e6be0a-f7dc-4344-a5d6-9e811f0b4f58")
+		)
+		(pad "1" smd rect
+			(at -0.4 0 270)
+			(size 0.5 0.8)
+			(layers "F.Cu" "F.Mask")
+			(net 41 "Net-(JP4-A)")
+			(pinfunction "A")
+			(pintype "passive")
+			(uuid "276d54bc-1e64-4bf0-adcb-eaa211b14512")
+		)
+		(pad "2" smd rect
+			(at 0.4 0 270)
+			(size 0.5 0.8)
+			(layers "F.Cu" "F.Mask")
+			(net 20 "/ESP_RST")
+			(pinfunction "B")
+			(pintype "passive")
+			(uuid "3a990e73-0b75-4dbd-9de3-68c9a52dce7c")
 		)
 	)
 	(footprint "Footprints:USB-SMD_KH-USB-AM-4P-CB"
@@ -3494,7 +3655,7 @@
 				)
 			)
 		)
-		(property "Datasheet" " ~"
+		(property "Datasheet" ""
 			(at 0 0 -90)
 			(unlocked yes)
 			(layer "F.Fab")
@@ -4331,6 +4492,179 @@
 			)
 		)
 	)
+	(footprint "Footprints:SolderJumper-2_P1.3mm_Open_Pad0.5x0.8mm"
+		(layer "F.Cu")
+		(uuid "9def4fcd-bc4d-45fa-9291-395afdd01493")
+		(at 121.5 86 -90)
+		(descr "SMD Solder Jumper, 1x1.5mm Pads, 0.3mm gap, open")
+		(tags "solder jumper open")
+		(property "Reference" "JP3"
+			(at -1.6 0.5 180)
+			(layer "F.SilkS")
+			(uuid "94862470-713e-43d2-a672-9caecd8d639c")
+			(effects
+				(font
+					(size 1 1)
+					(thickness 0.15)
+				)
+			)
+		)
+		(property "Value" "PROG Jumper"
+			(at 0 1.55 90)
+			(layer "F.Fab")
+			(hide yes)
+			(uuid "90f04b7a-7fb4-4552-a944-36730ea909a8")
+			(effects
+				(font
+					(size 1 1)
+					(thickness 0.15)
+				)
+			)
+		)
+		(property "Footprint" "Footprints:SolderJumper-2_P1.3mm_Open_Pad0.5x0.8mm"
+			(at 0 0 -90)
+			(unlocked yes)
+			(layer "F.Fab")
+			(hide yes)
+			(uuid "338999ef-1149-4aa9-83e7-1423a558ec84")
+			(effects
+				(font
+					(size 1.27 1.27)
+					(thickness 0.15)
+				)
+			)
+		)
+		(property "Datasheet" ""
+			(at 0 0 -90)
+			(unlocked yes)
+			(layer "F.Fab")
+			(hide yes)
+			(uuid "4db69e1a-7097-4d26-8a3f-060c6e95d23b")
+			(effects
+				(font
+					(size 1.27 1.27)
+					(thickness 0.15)
+				)
+			)
+		)
+		(property "Description" "Solder Jumper, 2-pole, closed/bridged"
+			(at 0 0 -90)
+			(unlocked yes)
+			(layer "F.Fab")
+			(hide yes)
+			(uuid "aa2a3d49-89c1-4cfd-8c0e-fadd9669be83")
+			(effects
+				(font
+					(size 1.27 1.27)
+					(thickness 0.15)
+				)
+			)
+		)
+		(property ki_fp_filters "SolderJumper*Bridged*")
+		(path "/c3a86eef-57d0-48cf-b3c4-99c563136c3a")
+		(sheetname "Root")
+		(sheetfile "DCSensor.kicad_sch")
+		(zone_connect 1)
+		(attr exclude_from_pos_files exclude_from_bom)
+		(fp_line
+			(start -0.86 0.66)
+			(end -0.86 -0.66)
+			(stroke
+				(width 0.12)
+				(type solid)
+			)
+			(layer "F.SilkS")
+			(uuid "aff91a6b-9f4a-40dd-8535-6c694c0b0b43")
+		)
+		(fp_line
+			(start 0.86 0.66)
+			(end -0.86 0.66)
+			(stroke
+				(width 0.12)
+				(type solid)
+			)
+			(layer "F.SilkS")
+			(uuid "b5e6cd2f-a3c4-4ea9-8700-644bc1472957")
+		)
+		(fp_line
+			(start -0.86 -0.66)
+			(end 0.86 -0.66)
+			(stroke
+				(width 0.12)
+				(type solid)
+			)
+			(layer "F.SilkS")
+			(uuid "68a9d133-394d-47d7-b1fb-21a525584414")
+		)
+		(fp_line
+			(start 0.86 -0.66)
+			(end 0.86 0.66)
+			(stroke
+				(width 0.12)
+				(type solid)
+			)
+			(layer "F.SilkS")
+			(uuid "08095364-0cb9-42e9-bbce-226a7dde560c")
+		)
+		(fp_line
+			(start 0.9 0.7)
+			(end -0.9 0.7)
+			(stroke
+				(width 0.05)
+				(type solid)
+			)
+			(layer "F.CrtYd")
+			(uuid "115de6fc-a3b6-4c35-8ad2-5422a3030c46")
+		)
+		(fp_line
+			(start 0.9 0.7)
+			(end 0.9 -0.7)
+			(stroke
+				(width 0.05)
+				(type solid)
+			)
+			(layer "F.CrtYd")
+			(uuid "65131966-53b1-4f85-97ab-acd26c2716ab")
+		)
+		(fp_line
+			(start -0.9 -0.7)
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 			(layers "F.Cu" "F.Paste" "F.Mask")
 			(roundrect_rratio 0.25)
-			(net 27 "/ESP_PROG")
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 			(pintype "output")
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 			(roundrect_rratio 0.25)
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diff --git a/hardware/DCSensor.kicad_sch b/hardware/DCSensor.kicad_sch
index 3e5cfc7..369238a 100644
--- a/hardware/DCSensor.kicad_sch
+++ b/hardware/DCSensor.kicad_sch
@@ -2015,6 +2015,177 @@
 				)
 			)
 		)
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@@ -2942,7 +3113,7 @@
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 		(uuid "1b53525f-829a-416f-bc5b-1644e3857d7d")
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+			(justify left bottom)
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+		(uuid "22bb9d8d-3763-4d75-aec7-5f8d2fa9294c")
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@@ -4037,6 +4239,17 @@
 		)
 		(uuid "7081d4b0-2b9e-423e-9dbd-03ff761dbb83")
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+		(uuid "7d429759-0d6a-4d1c-9d41-d58ce3941c31")
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 		(uuid "9127defe-32ee-42fc-bb45-e0f29dbcda2e")
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 				(hide yes)
 			)
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-		(property "Footprint" "Jumper:SolderJumper-2_P1.3mm_Bridged_Pad1.0x1.5mm"
+		(property "Footprint" "Footprints:SolderJumper-2_P1.3mm_Open_Pad0.5x0.8mm"
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 		(fields_autoplaced yes)
 		(uuid "0ae32ef1-c355-445f-8ff0-313d3f007b61")
 		(property "Reference" "#PWR02"
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-		(property "Datasheet" "https://www.lcsc.com/datasheet/lcsc_datasheet_2006151134_YAGEO-CC0402KRX7R5BB104_C541406.pdf"
+		(property "Datasheet" "~"
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 				(hide yes)
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-		(property "Description" "Unpolarized capacitor - Wrong ID was C724032. Now C541406"
+		(property "Description" "Unpolarized capacitor"
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 			(effects
 				(font
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 			)
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+	(symbol
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+		(at 133.35 99.06 0)
+		(unit 1)
+		(exclude_from_sim no)
+		(in_bom yes)
+		(on_board yes)
+		(dnp no)
+		(fields_autoplaced yes)
+		(uuid "1aa5a6a5-edfa-4686-9019-08f635c11346")
+		(property "Reference" "#PWR016"
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+				(hide yes)
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+				(hide yes)
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+		(property "Datasheet" ""
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+			(effects
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+				(hide yes)
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+		(pin "1"
+			(uuid "51536590-5610-45c8-964a-8648f555535e")
+		)
+		(instances
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+				(path "/5f811af7-0996-4246-ad98-8ce761ff916c"
+					(reference "#PWR016")
+					(unit 1)
+				)
+			)
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 		(lib_id "Device:R")
 		(at 226.06 52.07 90)
@@ -4570,7 +4849,7 @@
 				(hide yes)
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 		)
-		(property "Datasheet" "https://www.lcsc.com/datasheet/lcsc_datasheet_2006151134_YAGEO-CC0402KRX7R5BB104_C541406.pdf"
+		(property "Datasheet" "~"
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 				(hide yes)
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-		(property "Description" "Unpolarized capacitor - Wrong ID was C724032. Now C541406"
+		(property "Description" "Unpolarized capacitor"
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 				(justify left)
 			)
 		)
-		(property "Footprint" "Library:USB-SMD_KH-USB-AM-4P-CB"
+		(property "Footprint" "Footprints:USB-SMD_KH-USB-AM-4P-CB"
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 			(effects
 				(font
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 				(hide yes)
 			)
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 				(font
@@ -5071,9 +5350,89 @@
 			)
 		)
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+	(symbol
+		(lib_id "dc-sensor:AHT20")
+		(at 116.84 96.52 0)
+		(unit 1)
+		(exclude_from_sim no)
+		(in_bom yes)
+		(on_board yes)
+		(dnp no)
+		(fields_autoplaced yes)
+		(uuid "4d71b9af-9868-44d7-a4d6-9b761f7b4115")
+		(property "Reference" "U3"
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+		(property "Footprint" "Footprints:AHT20"
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+			(effects
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+				(hide yes)
+			)
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+				(hide yes)
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+				(hide yes)
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+			(uuid "17d8a43e-6e25-4d0b-8234-e1a87f0c6cfa")
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+			(uuid "3990ef5a-5460-41bc-b184-d8ae12559232")
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+			(uuid "76213537-b997-4336-932c-807f2af4f64a")
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+		(pin "5"
+			(uuid "8e863774-481c-492a-be97-77da5beb7f3f")
+		)
+		(pin "6"
+			(uuid "41ff29a6-950c-469c-9506-fe9033032c8e")
+		)
+		(pin "4"
+			(uuid "0a5839cb-73a1-49ac-aa10-3841fef760ed")
+		)
+		(instances
+			(project ""
+				(path "/5f811af7-0996-4246-ad98-8ce761ff916c"
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+					(unit 1)
+				)
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 		(lib_id "Interface_USB:CH340C")
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 		(uuid "5558bb1c-b81d-4c01-9af9-96ed09bf2ac2")
 		(property "Reference" "U5"
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 			)
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 		(property "Value" "CH340C"
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 			)
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 		(property "Footprint" "Package_SO:SOIC-16_3.9x9.9mm_P1.27mm"
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 		(property "Datasheet" "https://datasheet.lcsc.com/szlcsc/Jiangsu-Qin-Heng-CH340C_C84681.pdf"
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 			)
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 		(property "Description" "USB serial converter, crystal-less, UART, SOIC-16"
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 		(property "LCSC" "C7464026"
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-		(property "Footprint" "Library:LED0603-RD_BLUE"
+		(property "Footprint" "Footprints:LED0603-RD_BLUE"
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@@ -5454,6 +5813,71 @@
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+		(on_board yes)
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+				(hide yes)
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+		(pin "1"
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+			(project "DCSensor"
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 		(in_bom yes)
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@@ -5764,7 +6188,7 @@
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 			(effects
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@@ -6041,6 +6465,74 @@
 			)
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+		(property "Reference" "JP4"
+			(at 124.968 52.07 0)
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+			)
+		)
+		(property "Value" "Reset Jumper"
+			(at 121.92 49.53 0)
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+				(hide yes)
+			)
+		)
+		(property "Footprint" "Footprints:SolderJumper-2_P1.3mm_Open_Pad0.5x0.8mm"
+			(at 121.92 53.34 0)
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+				(hide yes)
+			)
+		)
+		(property "Datasheet" "~"
+			(at 121.92 53.34 0)
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+				(hide yes)
+			)
+		)
+		(property "Description" "Solder Jumper, 2-pole, closed/bridged"
+			(at 121.92 53.34 0)
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+				(hide yes)
+			)
+		)
+		(pin "2"
+			(uuid "a7c8480c-ff89-4042-9143-eb9ee42da802")
+		)
+		(pin "1"
+			(uuid "af5d2723-b1a2-4955-9d1f-baeb8f606261")
+		)
+		(instances
+			(project "DCSensor"
+				(path "/5f811af7-0996-4246-ad98-8ce761ff916c"
+					(reference "JP4")
+					(unit 1)
+				)
+			)
+		)
+	)
 	(symbol
 		(lib_id "power:GND")
 		(at 46.99 66.04 0)
@@ -6443,7 +6935,7 @@
 		(exclude_from_sim no)
 		(in_bom yes)
 		(on_board yes)
-		(dnp yes)
+		(dnp no)
 		(uuid "b3e558eb-99d3-4417-a1cc-a5a67c243d8d")
 		(property "Reference" "R7"
 			(at 226.06 31.75 90)
@@ -6538,7 +7030,7 @@
 				(hide yes)
 			)
 		)
-		(property "Footprint" "Jumper:SolderJumper-2_P1.3mm_Bridged_Pad1.0x1.5mm"
+		(property "Footprint" "Footprints:SolderJumper-2_P1.3mm_Open_Pad0.5x0.8mm"
 			(at 39.37 53.34 0)
 			(effects
 				(font
@@ -6672,7 +7164,7 @@
 				(justify left)
 			)
 		)
-		(property "Footprint" "Library:F1206"
+		(property "Footprint" "Footprints:F1206"
 			(at 44.45 38.1 0)
 			(effects
 				(font
@@ -6732,6 +7224,74 @@
 			)
 		)
 	)
+	(symbol
+		(lib_id "Jumper:SolderJumper_2_Bridged")
+		(at 121.92 50.8 0)
+		(unit 1)
+		(exclude_from_sim yes)
+		(in_bom no)
+		(on_board yes)
+		(dnp no)
+		(uuid "c3a86eef-57d0-48cf-b3c4-99c563136c3a")
+		(property "Reference" "JP3"
+			(at 124.968 49.53 0)
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+			)
+		)
+		(property "Value" "PROG Jumper"
+			(at 121.92 46.99 0)
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+				(hide yes)
+			)
+		)
+		(property "Footprint" "Footprints:SolderJumper-2_P1.3mm_Open_Pad0.5x0.8mm"
+			(at 121.92 50.8 0)
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+				(hide yes)
+			)
+		)
+		(property "Datasheet" "~"
+			(at 121.92 50.8 0)
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+				(hide yes)
+			)
+		)
+		(property "Description" "Solder Jumper, 2-pole, closed/bridged"
+			(at 121.92 50.8 0)
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+				(hide yes)
+			)
+		)
+		(pin "2"
+			(uuid "1fb86bc5-7f0a-492c-aa4b-d0c257f02349")
+		)
+		(pin "1"
+			(uuid "50544ab7-e35c-40f0-8dbe-5db894bf9077")
+		)
+		(instances
+			(project "DCSensor"
+				(path "/5f811af7-0996-4246-ad98-8ce761ff916c"
+					(reference "JP3")
+					(unit 1)
+				)
+			)
+		)
+	)
 	(symbol
 		(lib_id "RF_Module:ESP-12F")
 		(at 193.04 46.99 0)
diff --git a/hardware/Footprints/SolderJumper-2_P1.3mm_Open_Pad0.5x0.8mm.kicad_mod b/hardware/Footprints/SolderJumper-2_P1.3mm_Open_Pad0.5x0.8mm.kicad_mod
new file mode 100644
index 0000000..9145f19
--- /dev/null
+++ b/hardware/Footprints/SolderJumper-2_P1.3mm_Open_Pad0.5x0.8mm.kicad_mod
@@ -0,0 +1,163 @@
+(footprint "SolderJumper-2_P1.3mm_Open_Pad0.5x0.8mm"
+	(version 20240108)
+	(generator "pcbnew")
+	(generator_version "8.0")
+	(layer "F.Cu")
+	(descr "SMD Solder Jumper, 1x1.5mm Pads, 0.3mm gap, open")
+	(tags "solder jumper open")
+	(property "Reference" "REF**"
+		(at 0 -1.45 0)
+		(layer "F.SilkS")
+		(uuid "732d89d4-2969-4956-97df-5bf80fb988d0")
+		(effects
+			(font
+				(size 1 1)
+				(thickness 0.15)
+			)
+		)
+	)
+	(property "Value" "SolderJumper-2_P1.3mm_Open_Pad0.5x0.8mm"
+		(at 0 1.55 0)
+		(layer "F.Fab")
+		(uuid "e5a4db1a-c061-4b0a-ad51-a24c8790a5c4")
+		(effects
+			(font
+				(size 1 1)
+				(thickness 0.15)
+			)
+		)
+	)
+	(property "Footprint" ""
+		(at 0 0 0)
+		(unlocked yes)
+		(layer "F.Fab")
+		(hide yes)
+		(uuid "10c7532c-6b07-4a95-befd-bb549cdcb016")
+		(effects
+			(font
+				(size 1.27 1.27)
+				(thickness 0.15)
+			)
+		)
+	)
+	(property "Datasheet" ""
+		(at 0 0 0)
+		(unlocked yes)
+		(layer "F.Fab")
+		(hide yes)
+		(uuid "efb33a39-f8e2-4059-81ec-af7a2bfc56a7")
+		(effects
+			(font
+				(size 1.27 1.27)
+				(thickness 0.15)
+			)
+		)
+	)
+	(property "Description" ""
+		(at 0 0 0)
+		(unlocked yes)
+		(layer "F.Fab")
+		(hide yes)
+		(uuid "c1af3a12-4d8b-4748-870e-a07d94a67d7c")
+		(effects
+			(font
+				(size 1.27 1.27)
+				(thickness 0.15)
+			)
+		)
+	)
+	(zone_connect 1)
+	(attr exclude_from_pos_files exclude_from_bom)
+	(fp_line
+		(start -0.86 -0.66)
+		(end 0.86 -0.66)
+		(stroke
+			(width 0.12)
+			(type solid)
+		)
+		(layer "F.SilkS")
+		(uuid "8836b64e-369e-4f15-96a2-8a1544e9b710")
+	)
+	(fp_line
+		(start -0.86 0.66)
+		(end -0.86 -0.66)
+		(stroke
+			(width 0.12)
+			(type solid)
+		)
+		(layer "F.SilkS")
+		(uuid "2b78501f-9740-4fac-a533-e8eeb064d3d8")
+	)
+	(fp_line
+		(start 0.86 -0.66)
+		(end 0.86 0.66)
+		(stroke
+			(width 0.12)
+			(type solid)
+		)
+		(layer "F.SilkS")
+		(uuid "bef3ac59-f4df-486e-ae42-6082ded2534b")
+	)
+	(fp_line
+		(start 0.86 0.66)
+		(end -0.86 0.66)
+		(stroke
+			(width 0.12)
+			(type solid)
+		)
+		(layer "F.SilkS")
+		(uuid "0afca7c1-a1da-4c94-baed-c05f52325e81")
+	)
+	(fp_line
+		(start -0.9 -0.7)
+		(end -0.9 0.7)
+		(stroke
+			(width 0.05)
+			(type solid)
+		)
+		(layer "F.CrtYd")
+		(uuid "cd488bed-8cd4-4cfb-b5d4-35466b1cd694")
+	)
+	(fp_line
+		(start -0.9 -0.7)
+		(end 0.9 -0.7)
+		(stroke
+			(width 0.05)
+			(type solid)
+		)
+		(layer "F.CrtYd")
+		(uuid "5e522d62-2040-4627-b73c-ae2bc7b5c9a4")
+	)
+	(fp_line
+		(start 0.9 0.7)
+		(end -0.9 0.7)
+		(stroke
+			(width 0.05)
+			(type solid)
+		)
+		(layer "F.CrtYd")
+		(uuid "80727963-3592-4046-a0ca-c28e2e012625")
+	)
+	(fp_line
+		(start 0.9 0.7)
+		(end 0.9 -0.7)
+		(stroke
+			(width 0.05)
+			(type solid)
+		)
+		(layer "F.CrtYd")
+		(uuid "5e939036-bb28-43e0-a5a9-2b1fa0e13751")
+	)
+	(pad "1" smd rect
+		(at -0.4 0)
+		(size 0.5 0.8)
+		(layers "F.Cu" "F.Mask")
+		(uuid "003e114e-b0ac-40f1-9aec-50bbd5050086")
+	)
+	(pad "2" smd rect
+		(at 0.4 0)
+		(size 0.5 0.8)
+		(layers "F.Cu" "F.Mask")
+		(uuid "a5e10e8c-d3d0-475e-966d-105f9d5f626e")
+	)
+)
diff --git a/hardware/Symbols/dc-sensor.kicad_sym b/hardware/Symbols/dc-sensor.kicad_sym
index afd7264..5666cdf 100644
--- a/hardware/Symbols/dc-sensor.kicad_sym
+++ b/hardware/Symbols/dc-sensor.kicad_sym
@@ -14,8 +14,8 @@
 				)
 			)
 		)
-		(property "Value" ""
-			(at 2.54 1.27 0)
+		(property "Value" "AHT20"
+			(at 0 5.334 0)
 			(effects
 				(font
 					(size 1.27 1.27)