From 60e4cb2a2c46aa5a67aab12c13b7aab57cd2b96e Mon Sep 17 00:00:00 2001
From: Tomas Mudrunka <tomas.mudrunka@gmail.com>
Date: Thu, 5 Nov 2026 18:33:54 +0100
Subject: [PATCH] nastrel stabilizatoru

---
 electronics/midi-io/midi-io.kicad_pcb | 1481 +++++++++++++++++++++----
 electronics/midi-io/midi-io.kicad_pro |    2 +-
 electronics/midi-io/midi-io.kicad_sch |  687 +++++++++++-
 3 files changed, 1916 insertions(+), 254 deletions(-)

diff --git a/electronics/midi-io/midi-io.kicad_pcb b/electronics/midi-io/midi-io.kicad_pcb
index 5066b3b..5f4cd4a 100644
--- a/electronics/midi-io/midi-io.kicad_pcb
+++ b/electronics/midi-io/midi-io.kicad_pcb
@@ -703,7 +703,7 @@
 			(size 0.975 0.95)
 			(layers "F.Cu" "F.Mask" "F.Paste")
 			(roundrect_rratio 0.25)
-			(net "VCC")
+			(net "Net-(U3-VO)")
 			(pintype "passive")
 			(uuid "dd8f4a8b-8a93-4449-b304-c8aa2d740e26")
 		)
@@ -1440,17 +1440,16 @@
 			)
 		)
 	)
-	(footprint "Fiducial:Fiducial_1mm_Mask2mm"
+	(footprint "Connector_Audio:Jack_3.5mm_PJ31060-I_Horizontal"
 		(layer "F.Cu")
-		(uuid "5d0d27bb-6fd6-42f6-aa66-bd23b1e68c44")
-		(at 81 43.6)
-		(descr "Fiducial, circular marking, 1mm bare copper, 2mm soldermask opening (Level A)")
-		(tags "fiducial")
-		(property "Reference" "REF**"
-			(at 0 -1.95 0)
+		(uuid "53ab9f12-2300-4ea4-8677-3a2610825b5f")
+		(at 53.3 40.45)
+		(descr "PJ31060-I 6pin SMD 3.5mm headphones jack (http://www.china-bsun.com/Product48/1577.html)")
+		(tags "headphones jack plug stereo 3.5mm PJ31060-I PJ31060")
+		(property "Reference" "J5"
+			(at 0 -11.43 0)
 			(layer "F.SilkS")
-			(hide yes)
-			(uuid "473290ee-aac4-46d0-86b8-22c536ef701b")
+			(uuid "1b441a33-80d4-4a32-999d-a144c8056b56")
 			(effects
 				(font
 					(size 1 1)
@@ -1458,10 +1457,10 @@
 				)
 			)
 		)
-		(property "Value" "Fiducial_1mm_Mask2mm"
-			(at 0 1.95 0)
+		(property "Value" "MIDI_OUT"
+			(at 0 6.82 0)
 			(layer "F.Fab")
-			(uuid "3cf9034b-534c-444d-ad53-d11685b55158")
+			(uuid "62b251bd-2ea4-4706-ab47-93a95fab7e33")
 			(effects
 				(font
 					(size 1 1)
@@ -1471,31 +1470,36 @@
 		)
 		(property "Datasheet" ""
 			(at 0 0 0)
+			(unlocked yes)
 			(layer "F.Fab")
 			(hide yes)
-			(uuid "6d865490-3e99-42c4-bab1-b59b38223318")
+			(uuid "3ad16c0d-69ca-4633-808a-b219927a37fe")
 			(effects
 				(font
 					(size 1.27 1.27)
+					(thickness 0.15)
 				)
 			)
 		)
-		(property "Description" ""
+		(property "Description" "Audio Jack, 4 Poles (TRRS), Grounded Sleeve"
 			(at 0 0 0)
+			(unlocked yes)
 			(layer "F.Fab")
 			(hide yes)
-			(uuid "f954fad9-cefa-4f10-8aff-b5fe46bdcb06")
+			(uuid "6e2a031d-0544-44f7-a81f-d106780416fe")
 			(effects
 				(font
 					(size 1.27 1.27)
+					(thickness 0.15)
 				)
 			)
 		)
-		(property "KiLib_Generator" "fiducial"
+		(property "LCSC" "C2939583"
 			(at 0 0 0)
-			(layer "F.SilkS")
+			(unlocked yes)
+			(layer "F.Fab")
 			(hide yes)
-			(uuid "6914d758-7311-4eec-9a8d-f4a0ddb30433")
+			(uuid "ebc76d1e-807c-4ec6-b1fa-ed645a73c8bb")
 			(effects
 				(font
 					(size 1 1)
@@ -1503,63 +1507,384 @@
 				)
 			)
 		)
-		(attr smd exclude_from_bom)
+		(property ki_fp_filters "Jack*")
+		(path "/1b5788a2-bee9-494a-ad5b-218ce6d3a1be")
+		(sheetname "/")
+		(sheetfile "midi-io.kicad_sch")
+		(units
+			(unit
+				(name "A")
+				(pins "G" "S" "R2" "R1" "T")
+			)
+		)
+		(attr smd)
 		(duplicate_pad_numbers_are_jumpers no)
-		(fp_circle
-			(center 0 0)
-			(end 1.25 0)
+		(fp_line
+			(start -4.9 -3.4)
+			(end -3.2 -3.4)
+			(stroke
+				(width 0.12)
+				(type solid)
+			)
+			(layer "F.SilkS")
+			(uuid "66285d30-6ae6-4adb-a906-298b29ca5e9a")
+		)
+		(fp_line
+			(start -3.2 -7.2)
+			(end -2.6 -7.2)
+			(stroke
+				(width 0.12)
+				(type solid)
+			)
+			(layer "F.SilkS")
+			(uuid "76410f26-e23b-4abf-a3e1-7d35a39cb2d8")
+		)
+		(fp_line
+			(start -3.2 -5.3)
+			(end -4.9 -5.3)
+			(stroke
+				(width 0.12)
+				(type solid)
+			)
+			(layer "F.SilkS")
+			(uuid "51e6ab37-b703-4c67-9570-80511f3bb723")
+		)
+		(fp_line
+			(start -3.2 -5.3)
+			(end -3.2 -7.2)
+			(stroke
+				(width 0.12)
+				(type solid)
+			)
+			(layer "F.SilkS")
+			(uuid "3edad785-1bfe-426d-b310-f8a616f7f398")
+		)
+		(fp_line
+			(start -3.2 -2.55)
+			(end -3.2 -3.4)
+			(stroke
+				(width 0.12)
+				(type solid)
+			)
+			(layer "F.SilkS")
+			(uuid "cc47f71e-34e8-4668-acb6-8208393fc50f")
+		)
+		(fp_line
+			(start -3.2 2.5)
+			(end -3.2 -0.7)
+			(stroke
+				(width 0.12)
+				(type solid)
+			)
+			(layer "F.SilkS")
+			(uuid "2ad912fc-bd98-43d0-a048-1e3b9efd2448")
+		)
+		(fp_line
+			(start -3.2 5)
+			(end -3.2 4.4)
+			(stroke
+				(width 0.12)
+				(type solid)
+			)
+			(layer "F.SilkS")
+			(uuid "8e4f490b-5d24-4212-81e5-b631f8c9da82")
+		)
+		(fp_line
+			(start -2.6 -9.2)
+			(end 2.6 -9.2)
+			(stroke
+				(width 0.12)
+				(type solid)
+			)
+			(layer "F.SilkS")
+			(uuid "9c4e5bbb-385e-425f-886d-3e6cc5ae852e")
+		)
+		(fp_line
+			(start -2.6 -7.2)
+			(end -2.6 -9.2)
+			(stroke
+				(width 0.12)
+				(type solid)
+			)
+			(layer "F.SilkS")
+			(uuid "931968e6-23ef-46ab-9484-113e0ad36e6b")
+		)
+		(fp_line
+			(start 1.3 5)
+			(end -3.2 5)
+			(stroke
+				(width 0.12)
+				(type solid)
+			)
+			(layer "F.SilkS")
+			(uuid "d284e741-688a-4a01-932f-aae58a1a6ac1")
+		)
+		(fp_line
+			(start 2.6 -9.2)
+			(end 2.6 -7.2)
+			(stroke
+				(width 0.12)
+				(type solid)
+			)
+			(layer "F.SilkS")
+			(uuid "c283eb7f-8d2f-465c-a4ad-5849533e3364")
+		)
+		(fp_line
+			(start 2.6 -7.2)
+			(end 3.2 -7.2)
+			(stroke
+				(width 0.12)
+				(type solid)
+			)
+			(layer "F.SilkS")
+			(uuid "cc6c8430-f701-4442-b680-802f63effdde")
+		)
+		(fp_line
+			(start 3.2 -7.2)
+			(end 3.2 -5.35)
+			(stroke
+				(width 0.12)
+				(type solid)
+			)
+			(layer "F.SilkS")
+			(uuid "3697f06d-d0c3-499b-b1ed-96111357ba8a")
+		)
+		(fp_line
+			(start 3.2 -3.35)
+			(end 3.2 1.1)
+			(stroke
+				(width 0.12)
+				(type solid)
+			)
+			(layer "F.SilkS")
+			(uuid "92197d25-4674-4d5f-a00a-982647a9a16c")
+		)
+		(fp_line
+			(start 3.2 3.1)
+			(end 3.2 3.45)
+			(stroke
+				(width 0.12)
+				(type solid)
+			)
+			(layer "F.SilkS")
+			(uuid "2106857b-3b20-4497-ad56-326c4c99fcf1")
+		)
+		(fp_line
+			(start -5.4 -9.65)
+			(end -5.4 5.6)
 			(stroke
 				(width 0.05)
 				(type solid)
 			)
-			(fill no)
 			(layer "F.CrtYd")
-			(uuid "17b683e7-a24d-4c5a-87b9-8c675394a6af")
+			(uuid "d1c422ee-ac87-4fba-9511-abc84023d95d")
 		)
-		(fp_circle
-			(center 0 0)
-			(end 1 0)
+		(fp_line
+			(start -5.4 -9.65)
+			(end 5.85 -9.65)
+			(stroke
+				(width 0.05)
+				(type solid)
+			)
+			(layer "F.CrtYd")
+			(uuid "7f8b7d3f-022d-476b-837c-3ad5ad8c242b")
+		)
+		(fp_line
+			(start 5.85 5.6)
+			(end -5.4 5.6)
+			(stroke
+				(width 0.05)
+				(type solid)
+			)
+			(layer "F.CrtYd")
+			(uuid "c8a5ecf4-527b-4280-a1f2-5ca987a0b785")
+		)
+		(fp_line
+			(start 5.85 5.6)
+			(end 5.85 -9.65)
+			(stroke
+				(width 0.05)
+				(type solid)
+			)
+			(layer "F.CrtYd")
+			(uuid "e0721d71-3d01-433d-9824-222208efe51b")
+		)
+		(fp_line
+			(start -3.1 -7.15)
+			(end -3.1 4.85)
+			(stroke
+				(width 0.1)
+				(type solid)
+			)
+			(layer "F.Fab")
+			(uuid "8b278f1a-719c-48e7-a4a5-76eaf6c0c88f")
+		)
+		(fp_line
+			(start -2.5 -9.15)
+			(end -2.5 -7.15)
+			(stroke
+				(width 0.1)
+				(type solid)
+			)
+			(layer "F.Fab")
+			(uuid "e908a857-7b6c-4ac0-9c03-26327ca0775c")
+		)
+		(fp_line
+			(start -2.5 -7.15)
+			(end -3.1 -7.15)
+			(stroke
+				(width 0.1)
+				(type solid)
+			)
+			(layer "F.Fab")
+			(uuid "1194cb7b-73c4-4b5a-bd81-e59542d42615")
+		)
+		(fp_line
+			(start 2.5 -9.15)
+			(end -2.5 -9.15)
+			(stroke
+				(width 0.1)
+				(type solid)
+			)
+			(layer "F.Fab")
+			(uuid "8ea08b32-9d33-4c77-897f-2779aba3409a")
+		)
+		(fp_line
+			(start 2.5 -7.15)
+			(end 2.5 -9.15)
+			(stroke
+				(width 0.1)
+				(type solid)
+			)
+			(layer "F.Fab")
+			(uuid "23a944bd-6276-4d1a-a142-68384c8aba3e")
+		)
+		(fp_line
+			(start 2.5 -7.15)
+			(end 3.1 -7.15)
+			(stroke
+				(width 0.1)
+				(type solid)
+			)
+			(layer "F.Fab")
+			(uuid "d040d802-df9d-4b7c-8db0-b3c7451faf6b")
+		)
+		(fp_line
+			(start 3.1 -7.15)
+			(end 3.1 4.85)
 			(stroke
 				(width 0.1)
 				(type solid)
 			)
+			(layer "F.Fab")
+			(uuid "6e665ff4-7a39-4837-9dd5-b51417915b52")
+		)
+		(fp_line
+			(start 3.1 4.85)
+			(end -3.1 4.85)
+			(stroke
+				(width 0.1)
+				(type solid)
+			)
+			(layer "F.Fab")
+			(uuid "40b71c5b-a2b3-4923-a5aa-fc6898513268")
+		)
+		(fp_circle
+			(center -2.35 -4.3)
+			(end -2.1 -4.3)
+			(stroke
+				(width 0.12)
+				(type solid)
+			)
 			(fill no)
 			(layer "F.Fab")
-			(uuid "e5e2a61c-3e3f-4a82-99f6-fd7eb3aa8b89")
+			(uuid "322c31b6-35e5-4e5b-99a7-d02172ebe8cd")
 		)
 		(fp_text user "${REFERENCE}"
 			(at 0 0 0)
 			(layer "F.Fab")
-			(uuid "46c80a1b-f278-436a-a0ad-eb1c90970dea")
+			(uuid "7d6f9885-b940-4104-bf39-279350e30a16")
 			(effects
 				(font
-					(size 0.5 0.5)
-					(thickness 0.08)
+					(size 1 1)
+					(thickness 0.15)
 				)
 			)
 		)
-		(pad "" smd circle
-			(at 0 0)
-			(size 1 1)
-			(property pad_prop_fiducial_glob)
-			(layers "F.Cu" "F.Mask")
-			(solder_mask_margin 0.5)
-			(clearance 0.6)
-			(uuid "3b3b290f-93a7-4ef9-ba3e-30eccb77d634")
+		(pad "" np_thru_hole circle
+			(at 0 3.35)
+			(size 1.5 1.5)
+			(drill 1.5)
+			(layers "*.Cu" "*.Mask")
+			(uuid "1b9c1fb7-ac3a-4064-ad5b-740f7de84d03")
+		)
+		(pad "R1" smd rect
+			(at -3.65 -1.65)
+			(size 2.5 1.5)
+			(layers "F.Cu" "F.Mask" "F.Paste")
+			(net "TX+")
+			(pintype "passive")
+			(uuid "beee046b-f147-463e-9209-c0e26f314c8c")
+		)
+		(pad "R1N" smd rect
+			(at -3.65 3.45)
+			(size 2.5 1.5)
+			(layers "F.Cu" "F.Mask" "F.Paste")
+			(uuid "8a7ccfe0-5873-4f30-ac69-b47074600945")
+		)
+		(pad "R2" smd rect
+			(at 3 -4.35)
+			(size 3.4 1.5)
+			(layers "F.Cu" "F.Mask" "F.Paste")
+			(net "GND")
+			(pintype "passive")
+			(uuid "5ddb01a8-4916-47a8-b240-055e4ee011e4")
+		)
+		(pad "S" smd rect
+			(at -3.65 -4.35)
+			(size 2.5 1.5)
+			(layers "F.Cu" "F.Mask" "F.Paste")
+			(net "GND")
+			(pintype "passive")
+			(uuid "fb38f333-cecb-463c-8c49-f65eba55fc75")
+		)
+		(pad "T" smd rect
+			(at 3.65 2.15)
+			(size 2.5 1.5)
+			(layers "F.Cu" "F.Mask" "F.Paste")
+			(net "TX-")
+			(pintype "passive")
+			(uuid "e7678451-b3f2-4113-a34e-a2a4ef63e6ee")
+		)
+		(pad "TN" smd rect
+			(at 3.2 4.35)
+			(size 3.4 1.5)
+			(layers "F.Cu" "F.Mask" "F.Paste")
+			(uuid "97e336a0-ed35-4ca8-83b4-57482fd872eb")
 		)
 		(embedded_fonts no)
+		(model "${KICAD10_3DMODEL_DIR}/Connector_Audio.3dshapes/Jack_3.5mm_PJ31060-I_Horizontal.step"
+			(offset
+				(xyz 0 0 0)
+			)
+			(scale
+				(xyz 1 1 1)
+			)
+			(rotate
+				(xyz 0 0 0)
+			)
+		)
 	)
-	(footprint "Fiducial:Fiducial_1mm_Mask2mm"
+	(footprint "Package_TO_SOT_SMD:SOT-23"
 		(layer "F.Cu")
-		(uuid "5da4564d-48f5-4dd2-ae4c-0ea73550ac54")
-		(at 63.8 31.5)
-		(descr "Fiducial, circular marking, 1mm bare copper, 2mm soldermask opening (Level A)")
-		(tags "fiducial")
-		(property "Reference" "REF**"
-			(at 0.7 -1.8 0)
+		(uuid "592dac93-1cce-4ba3-abca-1eb068a38509")
+		(at 68.5 27.7 -90)
+		(descr "SOT, 3 Pin (JEDEC TO-236 Var AB https://www.jedec.org/document_search?search_api_views_fulltext=TO-236)")
+		(tags "SOT TO_SOT_SMD")
+		(property "Reference" "U3"
+			(at 0 -2.4 90)
 			(layer "F.SilkS")
-			(hide yes)
-			(uuid "fb60e7a0-bbad-4852-805e-14316a6e89ea")
+			(uuid "eb782896-2596-4bc9-aa6b-002cee8e26bd")
 			(effects
 				(font
 					(size 1 1)
@@ -1567,10 +1892,10 @@
 				)
 			)
 		)
-		(property "Value" "Fiducial_1mm_Mask2mm"
-			(at 0 1.95 0)
+		(property "Value" "MCP1700x-330xxTT"
+			(at 0 2.4 90)
 			(layer "F.Fab")
-			(uuid "bc8bf8a0-57aa-42f3-bdc8-01a406930d75")
+			(uuid "ca4fdf8a-3986-4978-9741-875eff651705")
 			(effects
 				(font
 					(size 1 1)
@@ -1578,33 +1903,34 @@
 				)
 			)
 		)
-		(property "Datasheet" ""
-			(at 0 0 0)
+		(property "Datasheet" "http://ww1.microchip.com/downloads/en/DeviceDoc/20001826D.pdf"
+			(at 0 0 90)
 			(layer "F.Fab")
 			(hide yes)
-			(uuid "e36fbfff-76c3-4634-9949-e6cd6764df4d")
+			(uuid "cbb01bd0-21f4-47c6-ad28-41868b4ba390")
 			(effects
 				(font
 					(size 1.27 1.27)
 				)
 			)
 		)
-		(property "Description" ""
-			(at 0 0 0)
+		(property "Description" "250mA Low Quiscent Current LDO, 3.3V output, SOT-23"
+			(at 0 0 90)
 			(layer "F.Fab")
 			(hide yes)
-			(uuid "71236e4c-83ff-4a5e-8121-2ea2e16cc2df")
+			(uuid "e9bfcd16-5974-4afc-97dd-2cb51307287b")
 			(effects
 				(font
 					(size 1.27 1.27)
 				)
 			)
 		)
-		(property "KiLib_Generator" "fiducial"
-			(at 0 0 0)
-			(layer "F.SilkS")
+		(property "LCSC" "C39051"
+			(at 0 0 270)
+			(unlocked yes)
+			(layer "F.Fab")
 			(hide yes)
-			(uuid "7b3cedae-84df-4f83-bad9-ae81050fed41")
+			(uuid "5b405427-577a-4462-8fa4-148d7584f074")
 			(effects
 				(font
 					(size 1 1)
@@ -1612,51 +1938,325 @@
 				)
 			)
 		)
-		(attr smd exclude_from_bom)
-		(duplicate_pad_numbers_are_jumpers no)
-		(fp_circle
-			(center 0 0)
-			(end 1.25 0)
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 		(fp_text user "${REFERENCE}"
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 		)
 		(embedded_fonts no)
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 	)
 	(footprint "Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder"
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@@ -1731,81 +2331,516 @@
 				(pins "1" "2")
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 		)
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diff --git a/electronics/midi-io/midi-io.kicad_pro b/electronics/midi-io/midi-io.kicad_pro
index 785dcdf..b10aba4 100644
--- a/electronics/midi-io/midi-io.kicad_pro
+++ b/electronics/midi-io/midi-io.kicad_pro
@@ -691,7 +691,7 @@
         "uuid": "73e06f64-e7bb-40a7-8f7a-34a9a6448375"
       }
     ],
-    "used_designators": "#PWR1,#PWR10-12,J1,MCU1,MIDI1,R5,U2-3",
+    "used_designators": "#PWR1,#PWR10-13,J1,J3-5,MCU1,MIDI1,R5,U2-3",
     "variants": []
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diff --git a/electronics/midi-io/midi-io.kicad_sch b/electronics/midi-io/midi-io.kicad_sch
index f8ec709..7e390f4 100644
--- a/electronics/midi-io/midi-io.kicad_sch
+++ b/electronics/midi-io/midi-io.kicad_sch
@@ -218,6 +218,253 @@
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@@ -1822,6 +2069,12 @@
 		(color 0 0 0 0)
 		(uuid "744fb92b-e4cb-4603-ace3-9fcb9fc5eb2a")
 	)
+	(junction
+		(at 203.2 93.98)
+		(diameter 0)
+		(color 0 0 0 0)
+		(uuid "86dad792-2fd6-48d8-b3a6-e56d4c73e365")
+	)
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 		(at 80.01 77.47)
 		(diameter 0)
@@ -1886,6 +2139,16 @@
 		)
 		(uuid "179fcee0-3ca6-4e27-af1d-c73462a91971")
 	)
+	(wire
+		(pts
+			(xy 203.2 93.98) (xy 203.2 96.52)
+		)
+		(stroke
+			(width 0)
+			(type default)
+		)
+		(uuid "18795621-dd0c-45f5-8f0a-70a8fe131796")
+	)
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 			(xy 170.18 77.47) (xy 170.18 78.74)
@@ -2166,9 +2429,9 @@
 			)
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-		(shape output)
-		(at 72.39 77.47 180)
+	(global_label "TX-"
+		(shape input)
+		(at 203.2 101.6 180)
 		(fields_autoplaced yes)
 		(effects
 			(font
@@ -2176,9 +2439,9 @@
 			)
 			(justify right)
 		)
-		(uuid "53e0e5c9-a9b6-49ea-8945-0176da73b751")
+		(uuid "47e47efe-8704-44c8-9060-cf12be39385c")
 		(property "Intersheetrefs" "${INTERSHEET_REFS}"
-			(at 66.9253 77.47 0)
+			(at 196.4653 101.6 0)
 			(hide yes)
 			(show_name no)
 			(do_not_autoplace no)
@@ -2190,19 +2453,19 @@
 			)
 		)
 	)
-	(global_label "RX+"
-		(shape input)
-		(at 137.16 72.39 0)
+	(global_label "RX-"
+		(shape output)
+		(at 204.47 77.47 180)
 		(fields_autoplaced yes)
 		(effects
 			(font
 				(size 1.27 1.27)
 			)
-			(justify left)
+			(justify right)
 		)
-		(uuid "696b110c-4780-4a59-9fa0-e85ff88d3fd4")
+		(uuid "48398f73-fe7f-4a7f-89e2-8c43b9543196")
 		(property "Intersheetrefs" "${INTERSHEET_REFS}"
-			(at 144.1971 72.39 0)
+			(at 197.4329 77.47 0)
 			(hide yes)
 			(show_name no)
 			(do_not_autoplace no)
@@ -2210,13 +2473,13 @@
 				(font
 					(size 1.27 1.27)
 				)
-				(justify left)
+				(justify right)
 			)
 		)
 	)
-	(global_label "RX-"
-		(shape output)
-		(at 170.18 71.12 180)
+	(global_label "TX+"
+		(shape input)
+		(at 203.2 99.06 180)
 		(fields_autoplaced yes)
 		(effects
 			(font
@@ -2224,9 +2487,81 @@
 			)
 			(justify right)
 		)
-		(uuid "75ca37ef-a96d-476b-905b-88d56da77267")
+		(uuid "4fcdb65b-e2f6-42b8-9edc-c309c5b1443c")
 		(property "Intersheetrefs" "${INTERSHEET_REFS}"
-			(at 163.1429 71.12 0)
+			(at 196.4653 99.06 0)
+			(hide yes)
+			(show_name no)
+			(do_not_autoplace no)
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+				(justify right)
+			)
+		)
+	)
+	(global_label "RX"
+		(shape output)
+		(at 72.39 77.47 180)
+		(fields_autoplaced yes)
+		(effects
+			(font
+				(size 1.27 1.27)
+			)
+			(justify right)
+		)
+		(uuid "53e0e5c9-a9b6-49ea-8945-0176da73b751")
+		(property "Intersheetrefs" "${INTERSHEET_REFS}"
+			(at 66.9253 77.47 0)
+			(hide yes)
+			(show_name no)
+			(do_not_autoplace no)
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+				(justify right)
+			)
+		)
+	)
+	(global_label "RX+"
+		(shape input)
+		(at 137.16 72.39 0)
+		(fields_autoplaced yes)
+		(effects
+			(font
+				(size 1.27 1.27)
+			)
+			(justify left)
+		)
+		(uuid "696b110c-4780-4a59-9fa0-e85ff88d3fd4")
+		(property "Intersheetrefs" "${INTERSHEET_REFS}"
+			(at 144.1971 72.39 0)
+			(hide yes)
+			(show_name no)
+			(do_not_autoplace no)
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+				(justify left)
+			)
+		)
+	)
+	(global_label "RX-"
+		(shape output)
+		(at 170.18 71.12 180)
+		(fields_autoplaced yes)
+		(effects
+			(font
+				(size 1.27 1.27)
+			)
+			(justify right)
+		)
+		(uuid "75ca37ef-a96d-476b-905b-88d56da77267")
+		(property "Intersheetrefs" "${INTERSHEET_REFS}"
+			(at 163.1429 71.12 0)
 			(hide yes)
 			(show_name no)
 			(do_not_autoplace no)
@@ -2262,6 +2597,30 @@
 			)
 		)
 	)
+	(global_label "RX+"
+		(shape output)
+		(at 204.47 74.93 180)
+		(fields_autoplaced yes)
+		(effects
+			(font
+				(size 1.27 1.27)
+			)
+			(justify right)
+		)
+		(uuid "ab663585-9a3e-48a7-95e6-f2063422fd88")
+		(property "Intersheetrefs" "${INTERSHEET_REFS}"
+			(at 197.4329 74.93 0)
+			(hide yes)
+			(show_name no)
+			(do_not_autoplace no)
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+				(justify right)
+			)
+		)
+	)
 	(global_label "TX+"
 		(shape output)
 		(at 135.89 111.76 0)
@@ -2414,6 +2773,107 @@
 			)
 		)
 	)
+	(symbol
+		(lib_id "Connector_Audio:AudioJack4_Ground")
+		(at 208.28 96.52 0)
+		(mirror y)
+		(unit 1)
+		(body_style 1)
+		(exclude_from_sim no)
+		(in_bom yes)
+		(on_board yes)
+		(in_pos_files yes)
+		(dnp no)
+		(fields_autoplaced yes)
+		(uuid "1b5788a2-bee9-494a-ad5b-218ce6d3a1be")
+		(property "Reference" "J5"
+			(at 210.82 87.63 0)
+			(show_name no)
+			(do_not_autoplace no)
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+			)
+		)
+		(property "Value" "MIDI_OUT"
+			(at 210.82 90.17 0)
+			(show_name no)
+			(do_not_autoplace no)
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+			)
+		)
+		(property "Footprint" "Connector_Audio:Jack_3.5mm_PJ31060-I_Horizontal"
+			(at 208.28 96.52 0)
+			(hide yes)
+			(show_name no)
+			(do_not_autoplace no)
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+			)
+		)
+		(property "Datasheet" ""
+			(at 208.28 96.52 0)
+			(hide yes)
+			(show_name no)
+			(do_not_autoplace no)
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+			)
+		)
+		(property "Description" "Audio Jack, 4 Poles (TRRS), Grounded Sleeve"
+			(at 208.28 96.52 0)
+			(hide yes)
+			(show_name no)
+			(do_not_autoplace no)
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+			)
+		)
+		(property "LCSC" "C2939583"
+			(at 208.28 96.52 0)
+			(hide yes)
+			(show_name no)
+			(do_not_autoplace no)
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+			)
+		)
+		(pin "T"
+			(uuid "dc55ee70-7865-4b9a-a21e-0fea9011c723")
+		)
+		(pin "R1"
+			(uuid "5fad0805-caae-46f4-a4d6-77572f6f5538")
+		)
+		(pin "G"
+			(uuid "e3305834-645d-4fbc-8714-9c23b9f38906")
+		)
+		(pin "R2"
+			(uuid "a9faddcd-4059-44b2-9d8e-912fc292e160")
+		)
+		(pin "S"
+			(uuid "62e9d17e-519a-4837-8e40-29431f3b274b")
+		)
+		(instances
+			(project "midi-io"
+				(path "/73e06f64-e7bb-40a7-8f7a-34a9a6448375"
+					(reference "J5")
+					(unit 1)
+				)
+			)
+		)
+	)
 	(symbol
 		(lib_id "power:GND")
 		(at 97.79 85.09 0)
@@ -3368,6 +3828,107 @@
 			)
 		)
 	)
+	(symbol
+		(lib_id "Connector_Audio:AudioJack4_Ground")
+		(at 209.55 72.39 0)
+		(mirror y)
+		(unit 1)
+		(body_style 1)
+		(exclude_from_sim no)
+		(in_bom yes)
+		(on_board yes)
+		(in_pos_files yes)
+		(dnp no)
+		(fields_autoplaced yes)
+		(uuid "5b505895-8b2f-48ee-af5e-db1d2f112044")
+		(property "Reference" "J4"
+			(at 212.09 63.5 0)
+			(show_name no)
+			(do_not_autoplace no)
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+			)
+		)
+		(property "Value" "MIDI_IN"
+			(at 212.09 66.04 0)
+			(show_name no)
+			(do_not_autoplace no)
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+			)
+		)
+		(property "Footprint" "Connector_Audio:Jack_3.5mm_PJ31060-I_Horizontal"
+			(at 209.55 72.39 0)
+			(hide yes)
+			(show_name no)
+			(do_not_autoplace no)
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+			)
+		)
+		(property "Datasheet" ""
+			(at 209.55 72.39 0)
+			(hide yes)
+			(show_name no)
+			(do_not_autoplace no)
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+			)
+		)
+		(property "Description" "Audio Jack, 4 Poles (TRRS), Grounded Sleeve"
+			(at 209.55 72.39 0)
+			(hide yes)
+			(show_name no)
+			(do_not_autoplace no)
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+			)
+		)
+		(property "LCSC" "C2939583"
+			(at 209.55 72.39 0)
+			(hide yes)
+			(show_name no)
+			(do_not_autoplace no)
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+			)
+		)
+		(pin "T"
+			(uuid "e7adf280-ee80-4c5f-b22d-0694e557736e")
+		)
+		(pin "R1"
+			(uuid "92e85cff-6c6f-4958-af7c-a8ff99a75b5b")
+		)
+		(pin "G"
+			(uuid "cac38926-20e4-4b5b-bf94-86b5efbceab5")
+		)
+		(pin "R2"
+			(uuid "2f70600c-6611-4d39-8f55-2d1fea647296")
+		)
+		(pin "S"
+			(uuid "6dbf201d-62bf-421e-b95f-890ae1997d1b")
+		)
+		(instances
+			(project "midi-io"
+				(path "/73e06f64-e7bb-40a7-8f7a-34a9a6448375"
+					(reference "J4")
+					(unit 1)
+				)
+			)
+		)
+	)
 	(symbol
 		(lib_id "Isolator:H11L1")
 		(at 97.79 77.47 0)
@@ -3733,6 +4294,86 @@
 			)
 		)
 	)
+	(symbol
+		(lib_id "power:GND")
+		(at 203.2 93.98 270)
+		(mirror x)
+		(unit 1)
+		(body_style 1)
+		(exclude_from_sim no)
+		(in_bom yes)
+		(on_board yes)
+		(in_pos_files yes)
+		(dnp no)
+		(fields_autoplaced yes)
+		(uuid "6c9445e5-9274-4c8c-8720-8a53ab477250")
+		(property "Reference" "#PWR013"
+			(at 196.85 93.98 0)
+			(hide yes)
+			(show_name no)
+			(do_not_autoplace no)
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+			)
+		)
+		(property "Value" "GND"
+			(at 199.39 93.9799 90)
+			(show_name no)
+			(do_not_autoplace no)
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+				(justify right)
+			)
+		)
+		(property "Footprint" ""
+			(at 203.2 93.98 0)
+			(hide yes)
+			(show_name no)
+			(do_not_autoplace no)
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+			)
+		)
+		(property "Datasheet" ""
+			(at 203.2 93.98 0)
+			(hide yes)
+			(show_name no)
+			(do_not_autoplace no)
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+			)
+		)
+		(property "Description" "Power symbol creates a global label with name \"GND\" , ground"
+			(at 203.2 93.98 0)
+			(hide yes)
+			(show_name no)
+			(do_not_autoplace no)
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+			)
+		)
+		(pin "1"
+			(uuid "f433b4db-f796-4ce8-880c-cb3a9ac85b33")
+		)
+		(instances
+			(project "midi-io"
+				(path "/73e06f64-e7bb-40a7-8f7a-34a9a6448375"
+					(reference "#PWR013")
+					(unit 1)
+				)
+			)
+		)
+	)
 	(symbol
 		(lib_id "Device:R")
 		(at 77.47 96.52 0)
@@ -4001,7 +4642,7 @@
 	)
 	(symbol
 		(lib_id "Mechanical:MountingHole")
-		(at 170.18 129.54 0)
+		(at 158.75 186.69 0)
 		(mirror y)
 		(unit 1)
 		(body_style 1)
@@ -4013,7 +4654,7 @@
 		(fields_autoplaced yes)
 		(uuid "992fabb4-0837-487a-ab68-09cfbfeeb009")
 		(property "Reference" "H1"
-			(at 167.64 128.2699 0)
+			(at 156.21 185.4199 0)
 			(show_name no)
 			(do_not_autoplace no)
 			(effects
@@ -4024,7 +4665,7 @@
 			)
 		)
 		(property "Value" "MountingHole"
-			(at 167.64 130.8099 0)
+			(at 156.21 187.9599 0)
 			(show_name no)
 			(do_not_autoplace no)
 			(effects
@@ -4035,7 +4676,7 @@
 			)
 		)
 		(property "Footprint" "MountingHole:MountingHole_3.2mm_M3"
-			(at 170.18 129.54 0)
+			(at 158.75 186.69 0)
 			(hide yes)
 			(show_name no)
 			(do_not_autoplace no)
@@ -4046,7 +4687,7 @@
 			)
 		)
 		(property "Datasheet" ""
-			(at 170.18 129.54 0)
+			(at 158.75 186.69 0)
 			(hide yes)
 			(show_name no)
 			(do_not_autoplace no)
@@ -4057,7 +4698,7 @@
 			)
 		)
 		(property "Description" "Mounting Hole without connection"
-			(at 170.18 129.54 0)
+			(at 158.75 186.69 0)
 			(hide yes)
 			(show_name no)
 			(do_not_autoplace no)
-- 
2.39.5