diff --git a/esp32_midi/.gitignore b/esp32_midi/.gitignore
new file mode 100644
index 0000000..0ba4cef
--- /dev/null
+++ b/esp32_midi/.gitignore
@@ -0,0 +1,30 @@
+# For PCBs designed using KiCad: http://www.kicad-pcb.org/
+# Format documentation: http://kicad-pcb.org/help/file-formats/
+
+# Temporary files
+*.000
+*.bak
+*.bck
+*.kicad_pcb-bak
+*.kicad_sch-bak
+*.kicad_prl
+*.sch-bak
+*-backups
+*-esp32_midi-backups
+*~
+_autosave-*
+*.tmp
+*-save.pro
+*-save.kicad_pcb
+fp-info-cache
+
+# Netlist files (exported from Eeschema)
+*.net
+
+# Autorouter files (exported from Pcbnew)
+*.dsn
+*.ses
+
+# Exported BOM files
+*.xml
+*.csv
\ No newline at end of file
diff --git a/esp32_midi/esp32_midi-backups/esp32_midi-2023-02-06_210601.zip b/esp32_midi/esp32_midi-backups/esp32_midi-2023-02-06_210601.zip
deleted file mode 100644
index 7dfd69c..0000000
Binary files a/esp32_midi/esp32_midi-backups/esp32_midi-2023-02-06_210601.zip and /dev/null differ
diff --git a/esp32_midi/esp32_midi-backups/esp32_midi-2023-02-06_211638.zip b/esp32_midi/esp32_midi-backups/esp32_midi-2023-02-06_211638.zip
deleted file mode 100644
index db3222f..0000000
Binary files a/esp32_midi/esp32_midi-backups/esp32_midi-2023-02-06_211638.zip and /dev/null differ
diff --git a/esp32_midi/esp32_midi-backups/esp32_midi-2023-02-06_212249.zip b/esp32_midi/esp32_midi-backups/esp32_midi-2023-02-06_212249.zip
deleted file mode 100644
index 7140ca8..0000000
Binary files a/esp32_midi/esp32_midi-backups/esp32_midi-2023-02-06_212249.zip and /dev/null differ
diff --git a/esp32_midi/esp32_midi.kicad_pro b/esp32_midi/esp32_midi.kicad_pro
index dac765e..e639be4 100644
--- a/esp32_midi/esp32_midi.kicad_pro
+++ b/esp32_midi/esp32_midi.kicad_pro
@@ -416,8 +416,20 @@
       ""
     ],
     [
-      "c940a1cc-273e-4ddf-86c8-04040548fab9",
-      "MIDI block"
+      "6690eb41-2c1d-4abf-90f8-fc4c3740650e",
+      "MIDI IN THRU OUT"
+    ],
+    [
+      "067e608b-1500-4656-956d-29b5641ffb6f",
+      "MIDI OUT1"
+    ],
+    [
+      "c474a483-652e-46b3-829f-20d9c40cc74b",
+      "MIDI IN"
+    ],
+    [
+      "23ac7157-3583-490b-a889-9bba9a4271ea",
+      "MIDI THRU"
     ]
   ],
   "text_variables": {}
diff --git a/esp32_midi/esp32_midi.kicad_sch b/esp32_midi/esp32_midi.kicad_sch
index c11fd2b..7f003a7 100644
--- a/esp32_midi/esp32_midi.kicad_sch
+++ b/esp32_midi/esp32_midi.kicad_sch
@@ -5,137 +5,6 @@
   (paper "A4")
 
   (lib_symbols
-    (symbol "Connector:DIN-5_180degree" (pin_names (offset 1.016)) (in_bom yes) (on_board yes)
-      (property "Reference" "J" (id 0) (at 3.175 5.715 0)
-        (effects (font (size 1.27 1.27)))
-      )
-      (property "Value" "DIN-5_180degree" (id 1) (at 0 -6.35 0)
-        (effects (font (size 1.27 1.27)))
-      )
-      (property "Footprint" "" (id 2) (at 0 0 0)
-        (effects (font (size 1.27 1.27)) hide)
-      )
-      (property "Datasheet" "http://www.mouser.com/ds/2/18/40_c091_abd_e-75918.pdf" (id 3) (at 0 0 0)
-        (effects (font (size 1.27 1.27)) hide)
-      )
-      (property "ki_keywords" "circular DIN connector stereo audio" (id 4) (at 0 0 0)
-        (effects (font (size 1.27 1.27)) hide)
-      )
-      (property "ki_description" "5-pin DIN connector (5-pin DIN-5 stereo)" (id 5) (at 0 0 0)
-        (effects (font (size 1.27 1.27)) hide)
-      )
-      (property "ki_fp_filters" "DIN*" (id 6) (at 0 0 0)
-        (effects (font (size 1.27 1.27)) hide)
-      )
-      (symbol "DIN-5_180degree_0_1"
-        (arc (start -5.08 0) (mid -3.8609 -3.3364) (end -0.762 -5.08)
-          (stroke (width 0.254) (type default) (color 0 0 0 0))
-          (fill (type none))
-        )
-        (circle (center -3.048 0) (radius 0.508)
-          (stroke (width 0) (type default) (color 0 0 0 0))
-          (fill (type none))
-        )
-        (circle (center -2.286 2.286) (radius 0.508)
-          (stroke (width 0) (type default) (color 0 0 0 0))
-          (fill (type none))
-        )
-        (polyline
-          (pts
-            (xy -5.08 0)
-            (xy -3.556 0)
-          )
-          (stroke (width 0) (type default) (color 0 0 0 0))
-          (fill (type none))
-        )
-        (polyline
-          (pts
-            (xy 0 5.08)
-            (xy 0 3.81)
-          )
-          (stroke (width 0) (type default) (color 0 0 0 0))
-          (fill (type none))
-        )
-        (polyline
-          (pts
-            (xy 5.08 0)
-            (xy 3.556 0)
-          )
-          (stroke (width 0) (type default) (color 0 0 0 0))
-          (fill (type none))
-        )
-        (polyline
-          (pts
-            (xy -5.08 2.54)
-            (xy -4.318 2.54)
-            (xy -2.794 2.286)
-          )
-          (stroke (width 0) (type default) (color 0 0 0 0))
-          (fill (type none))
-        )
-        (polyline
-          (pts
-            (xy 5.08 2.54)
-            (xy 4.318 2.54)
-            (xy 2.794 2.286)
-          )
-          (stroke (width 0) (type default) (color 0 0 0 0))
-          (fill (type none))
-        )
-        (polyline
-          (pts
-            (xy -0.762 -4.953)
-            (xy -0.762 -4.191)
-            (xy 0.762 -4.191)
-            (xy 0.762 -4.953)
-          )
-          (stroke (width 0.254) (type default) (color 0 0 0 0))
-          (fill (type none))
-        )
-        (circle (center 0 3.302) (radius 0.508)
-          (stroke (width 0) (type default) (color 0 0 0 0))
-          (fill (type none))
-        )
-        (arc (start 0.762 -5.08) (mid 3.8685 -3.343) (end 5.08 0)
-          (stroke (width 0.254) (type default) (color 0 0 0 0))
-          (fill (type none))
-        )
-        (circle (center 2.286 2.286) (radius 0.508)
-          (stroke (width 0) (type default) (color 0 0 0 0))
-          (fill (type none))
-        )
-        (circle (center 3.048 0) (radius 0.508)
-          (stroke (width 0) (type default) (color 0 0 0 0))
-          (fill (type none))
-        )
-        (arc (start 5.08 0) (mid 0 5.08) (end -5.08 0)
-          (stroke (width 0.254) (type default) (color 0 0 0 0))
-          (fill (type none))
-        )
-      )
-      (symbol "DIN-5_180degree_1_1"
-        (pin passive line (at -7.62 0 0) (length 2.54)
-          (name "~" (effects (font (size 1.27 1.27))))
-          (number "1" (effects (font (size 1.27 1.27))))
-        )
-        (pin passive line (at 0 7.62 270) (length 2.54)
-          (name "~" (effects (font (size 1.27 1.27))))
-          (number "2" (effects (font (size 1.27 1.27))))
-        )
-        (pin passive line (at 7.62 0 180) (length 2.54)
-          (name "~" (effects (font (size 1.27 1.27))))
-          (number "3" (effects (font (size 1.27 1.27))))
-        )
-        (pin passive line (at -7.62 2.54 0) (length 2.54)
-          (name "~" (effects (font (size 1.27 1.27))))
-          (number "4" (effects (font (size 1.27 1.27))))
-        )
-        (pin passive line (at 7.62 2.54 180) (length 2.54)
-          (name "~" (effects (font (size 1.27 1.27))))
-          (number "5" (effects (font (size 1.27 1.27))))
-        )
-      )
-    )
     (symbol "Connector:Jack-DC" (pin_names (offset 1.016)) (in_bom yes) (on_board yes)
       (property "Reference" "J" (id 0) (at 0 5.334 0)
         (effects (font (size 1.27 1.27)))
@@ -1050,6 +919,10 @@
     (stroke (width 0) (type default) (color 0 0 0 0))
     (uuid 06cd9877-0fb2-4b1e-acc5-7ac4cb3ee1e3)
   )
+  (wire (pts (xy 85.09 153.67) (xy 91.44 153.67))
+    (stroke (width 0) (type default) (color 0 0 0 0))
+    (uuid 076b4523-ed19-431a-9bfd-5571e436ebb2)
+  )
   (wire (pts (xy 212.09 43.18) (xy 212.09 44.45))
     (stroke (width 0) (type default) (color 0 0 0 0))
     (uuid 0f60312c-c176-47c1-b8bf-b54c0533be43)
@@ -1062,6 +935,10 @@
     (stroke (width 0) (type default) (color 0 0 0 0))
     (uuid 2824a3e8-b53a-4b79-81f9-ddfb2511be5c)
   )
+  (wire (pts (xy 85.09 161.29) (xy 88.9 161.29))
+    (stroke (width 0) (type default) (color 0 0 0 0))
+    (uuid 46d6ceae-bcb7-407a-bf09-ce1b00148c87)
+  )
   (wire (pts (xy 265.43 44.45) (xy 267.97 44.45))
     (stroke (width 0) (type default) (color 0 0 0 0))
     (uuid 4b0bc135-bd8e-4336-ae14-86e566763c40)
@@ -1090,6 +967,10 @@
     (stroke (width 0) (type default) (color 0 0 0 0))
     (uuid d9e254b2-557a-472b-9055-7137a7c26184)
   )
+  (wire (pts (xy 85.09 151.13) (xy 87.63 151.13))
+    (stroke (width 0) (type default) (color 0 0 0 0))
+    (uuid f084584b-e02e-41bb-89eb-610bac63300c)
+  )
 
   (global_label "USB2.0_D-" (shape input) (at 241.3 130.81 0) (fields_autoplaced)
     (effects (font (size 1.27 1.27)) (justify left))
@@ -1098,13 +979,6 @@
       (effects (font (size 1.27 1.27)) (justify left) hide)
     )
   )
-  (global_label "MIDI2_D1-" (shape input) (at 99.06 137.16 180) (fields_autoplaced)
-    (effects (font (size 1.27 1.27)) (justify right))
-    (uuid 171279e4-6f5e-4e33-a6e2-12ea475dc3ce)
-    (property "Intersheet References" "${INTERSHEET_REFS}" (id 0) (at 86.4869 137.0806 0)
-      (effects (font (size 1.27 1.27)) (justify right) hide)
-    )
-  )
   (global_label "USB2.0_D-" (shape input) (at 172.72 43.18 0) (fields_autoplaced)
     (effects (font (size 1.27 1.27)) (justify left))
     (uuid 42ad937c-25eb-43fd-b3a7-ce637cade6ff)
@@ -1112,13 +986,6 @@
       (effects (font (size 1.27 1.27)) (justify left) hide)
     )
   )
-  (global_label "MIDI1_D2-" (shape input) (at 53.34 134.62 180) (fields_autoplaced)
-    (effects (font (size 1.27 1.27)) (justify right))
-    (uuid 5621120f-6cef-417f-b2c5-769329d8b79e)
-    (property "Intersheet References" "${INTERSHEET_REFS}" (id 0) (at 40.7669 134.5406 0)
-      (effects (font (size 1.27 1.27)) (justify right) hide)
-    )
-  )
   (global_label "USB2.0_D+" (shape input) (at 172.72 40.64 0) (fields_autoplaced)
     (effects (font (size 1.27 1.27)) (justify left))
     (uuid 6a0c594e-4c7f-4aa1-80d4-763d3a9278eb)
@@ -1140,13 +1007,6 @@
       (effects (font (size 1.27 1.27)) (justify left) hide)
     )
   )
-  (global_label "MIDI1_D1+" (shape input) (at 68.58 137.16 0) (fields_autoplaced)
-    (effects (font (size 1.27 1.27)) (justify left))
-    (uuid 97d6925d-e97c-42ca-8542-d2f10fb04afd)
-    (property "Intersheet References" "${INTERSHEET_REFS}" (id 0) (at 81.1531 137.0806 0)
-      (effects (font (size 1.27 1.27)) (justify left) hide)
-    )
-  )
   (global_label "USB2.0_D+" (shape input) (at 241.3 135.89 0) (fields_autoplaced)
     (effects (font (size 1.27 1.27)) (justify left))
     (uuid 9eba491b-3e81-4056-b5de-d9821c779cab)
@@ -1154,41 +1014,6 @@
       (effects (font (size 1.27 1.27)) (justify left) hide)
     )
   )
-  (global_label "MIDI2_D2+" (shape input) (at 114.3 134.62 0) (fields_autoplaced)
-    (effects (font (size 1.27 1.27)) (justify left))
-    (uuid a4e12559-4199-4fdf-93d6-a5454f659bb9)
-    (property "Intersheet References" "${INTERSHEET_REFS}" (id 0) (at 126.8731 134.5406 0)
-      (effects (font (size 1.27 1.27)) (justify left) hide)
-    )
-  )
-  (global_label "MIDI1_D2+" (shape input) (at 68.58 134.62 0) (fields_autoplaced)
-    (effects (font (size 1.27 1.27)) (justify left))
-    (uuid b1d82b51-e525-4c95-9cde-cbfd1308806c)
-    (property "Intersheet References" "${INTERSHEET_REFS}" (id 0) (at 81.1531 134.5406 0)
-      (effects (font (size 1.27 1.27)) (justify left) hide)
-    )
-  )
-  (global_label "MIDI2_D1+" (shape input) (at 114.3 137.16 0) (fields_autoplaced)
-    (effects (font (size 1.27 1.27)) (justify left))
-    (uuid c0bfbd1c-1ef9-47ea-8cbe-736ade4325dc)
-    (property "Intersheet References" "${INTERSHEET_REFS}" (id 0) (at 126.8731 137.0806 0)
-      (effects (font (size 1.27 1.27)) (justify left) hide)
-    )
-  )
-  (global_label "MIDI1_D1-" (shape input) (at 53.34 137.16 180) (fields_autoplaced)
-    (effects (font (size 1.27 1.27)) (justify right))
-    (uuid c29cc299-6246-4326-b9c7-7a9a32f1e9da)
-    (property "Intersheet References" "${INTERSHEET_REFS}" (id 0) (at 40.7669 137.0806 0)
-      (effects (font (size 1.27 1.27)) (justify right) hide)
-    )
-  )
-  (global_label "MIDI2_D2-" (shape input) (at 99.06 134.62 180) (fields_autoplaced)
-    (effects (font (size 1.27 1.27)) (justify right))
-    (uuid c88dc5c6-5225-4b0c-a5d9-55de0f1ef483)
-    (property "Intersheet References" "${INTERSHEET_REFS}" (id 0) (at 86.4869 134.5406 0)
-      (effects (font (size 1.27 1.27)) (justify right) hide)
-    )
-  )
   (global_label "5V_USB" (shape input) (at 267.97 36.83 0) (fields_autoplaced)
     (effects (font (size 1.27 1.27)) (justify left))
     (uuid e628e53e-ece2-4f24-8c61-43889783babf)
@@ -1392,22 +1217,6 @@
     (pin "1" (uuid 0f352cc8-33bb-46b8-a36e-6f73f0ac4fc7))
   )
 
-  (symbol (lib_id "power:GND") (at 106.68 142.24 0) (unit 1)
-    (in_bom yes) (on_board yes) (fields_autoplaced)
-    (uuid 3f392f18-33b0-4281-a7b0-da40a11b2351)
-    (property "Reference" "#PWR?" (id 0) (at 106.68 148.59 0)
-      (effects (font (size 1.27 1.27)) hide)
-    )
-    (property "Value" "GND" (id 1) (at 106.68 146.6834 0))
-    (property "Footprint" "" (id 2) (at 106.68 142.24 0)
-      (effects (font (size 1.27 1.27)) hide)
-    )
-    (property "Datasheet" "" (id 3) (at 106.68 142.24 0)
-      (effects (font (size 1.27 1.27)) hide)
-    )
-    (pin "1" (uuid 43287abf-d8c9-441c-86d5-471c8e4675dc))
-  )
-
   (symbol (lib_id "Device:D") (at 261.62 44.45 180) (unit 1)
     (in_bom yes) (on_board yes) (fields_autoplaced)
     (uuid 450150f5-5107-481c-a1f1-5d294d0bd787)
@@ -1506,6 +1315,22 @@
     (pin "1" (uuid ee3664fe-ae3b-49a3-a3b9-7da478579663))
   )
 
+  (symbol (lib_id "power:GND") (at 88.9 161.29 0) (unit 1)
+    (in_bom yes) (on_board yes) (fields_autoplaced)
+    (uuid 8a1f78ff-8d72-4105-b4ac-e786501a9c05)
+    (property "Reference" "#PWR?" (id 0) (at 88.9 167.64 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Value" "GND" (id 1) (at 88.9 165.7334 0))
+    (property "Footprint" "" (id 2) (at 88.9 161.29 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Datasheet" "" (id 3) (at 88.9 161.29 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (pin "1" (uuid ce3af99c-9c49-439e-8b44-996ff6546e1a))
+  )
+
   (symbol (lib_id "power:GND") (at 236.22 82.55 0) (unit 1)
     (in_bom yes) (on_board yes) (fields_autoplaced)
     (uuid 8fc32a0a-1c10-42b9-a03b-2be605a2cde9)
@@ -1571,24 +1396,6 @@
     (pin "2" (uuid dba2aee8-394b-4e9c-a6b6-6631cea4462a))
   )
 
-  (symbol (lib_id "Connector:DIN-5_180degree") (at 60.96 134.62 180) (unit 1)
-    (in_bom yes) (on_board yes) (fields_autoplaced)
-    (uuid 98de4e38-1bb8-473b-8d46-d46a0ceaa535)
-    (property "Reference" "J?" (id 0) (at 60.9599 125.8402 0))
-    (property "Value" "MIDI 1 IN" (id 1) (at 60.9599 128.3771 0))
-    (property "Footprint" "" (id 2) (at 60.96 134.62 0)
-      (effects (font (size 1.27 1.27)) hide)
-    )
-    (property "Datasheet" "http://www.mouser.com/ds/2/18/40_c091_abd_e-75918.pdf" (id 3) (at 60.96 134.62 0)
-      (effects (font (size 1.27 1.27)) hide)
-    )
-    (pin "1" (uuid 56c2dd2a-d66c-4692-895c-91c37a253050))
-    (pin "2" (uuid 82647950-3648-4d98-bd16-ed2f27f1a2e5))
-    (pin "3" (uuid 90e55902-cb5b-4bac-b6c0-a315f704b864))
-    (pin "4" (uuid dde91d0b-1ab6-4554-9e0f-11c05a0343af))
-    (pin "5" (uuid 089494f8-1465-47f3-aeaf-2afe264c6978))
-  )
-
   (symbol (lib_id "power:+12V") (at 228.6 19.05 0) (unit 1)
     (in_bom yes) (on_board yes) (fields_autoplaced)
     (uuid a0b8c609-a06d-4bdf-8b5f-259145fe8375)
@@ -1672,22 +1479,20 @@
     (pin "1" (uuid 810d0a5f-e6d2-4793-91f8-86978b90dc96))
   )
 
-  (symbol (lib_id "Connector:DIN-5_180degree") (at 106.68 134.62 180) (unit 1)
+  (symbol (lib_id "power:+5V") (at 87.63 151.13 0) (unit 1)
     (in_bom yes) (on_board yes) (fields_autoplaced)
-    (uuid b642511f-3f2b-4c9a-87b9-f7fdedc38d1a)
-    (property "Reference" "J?" (id 0) (at 106.6799 125.8402 0))
-    (property "Value" "MIDI 2 OUT" (id 1) (at 106.6799 128.3771 0))
-    (property "Footprint" "" (id 2) (at 106.68 134.62 0)
+    (uuid c1f3947f-0239-4ebe-9df8-18529dfa219a)
+    (property "Reference" "#PWR?" (id 0) (at 87.63 154.94 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "Datasheet" "http://www.mouser.com/ds/2/18/40_c091_abd_e-75918.pdf" (id 3) (at 106.68 134.62 0)
+    (property "Value" "+5V" (id 1) (at 87.63 147.5542 0))
+    (property "Footprint" "" (id 2) (at 87.63 151.13 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (pin "1" (uuid 764f129a-5253-4e11-84ee-2a946ca74cde))
-    (pin "2" (uuid 701e2d25-a0a3-4486-bb6f-cb5f06cd4bb7))
-    (pin "3" (uuid d7fec052-4f35-41c7-bc1f-dc2a5aa796cc))
-    (pin "4" (uuid b90e5294-e626-4837-a78d-e2dbcc10c1bd))
-    (pin "5" (uuid 1a5271e5-c4bd-4167-8706-fb0a3964e88c))
+    (property "Datasheet" "" (id 3) (at 87.63 151.13 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (pin "1" (uuid 4473a751-032c-482a-abcc-1c5842acdd09))
   )
 
   (symbol (lib_id "power:+12V") (at 212.09 43.18 0) (unit 1)
@@ -1722,6 +1527,22 @@
     (pin "1" (uuid badece5c-7b17-435f-9d78-1643c658ec6b))
   )
 
+  (symbol (lib_id "power:+3.3V") (at 91.44 153.67 0) (unit 1)
+    (in_bom yes) (on_board yes) (fields_autoplaced)
+    (uuid cfe3f5d4-74f8-4351-ac02-5648d488f998)
+    (property "Reference" "#PWR?" (id 0) (at 91.44 157.48 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Value" "+3.3V" (id 1) (at 91.44 150.0942 0))
+    (property "Footprint" "" (id 2) (at 91.44 153.67 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Datasheet" "" (id 3) (at 91.44 153.67 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (pin "1" (uuid 26b7b846-15f7-41fc-8c69-81361f71bfd7))
+  )
+
   (symbol (lib_id "Espressif:ESP32-S3-WROOM-2") (at 116.84 71.12 0) (unit 1)
     (in_bom yes) (on_board yes) (fields_autoplaced)
     (uuid d3b3bc74-c583-4f45-a205-f699d89e935b)
@@ -1827,41 +1648,44 @@
     (pin "1" (uuid b0edb50b-7196-4b1a-83e3-a45ebddc5e4d))
   )
 
-  (symbol (lib_id "power:GND") (at 60.96 142.24 0) (unit 1)
-    (in_bom yes) (on_board yes) (fields_autoplaced)
-    (uuid e7907cc8-2edf-417e-8a65-a9049a63d0b3)
-    (property "Reference" "#PWR?" (id 0) (at 60.96 148.59 0)
-      (effects (font (size 1.27 1.27)) hide)
-    )
-    (property "Value" "GND" (id 1) (at 60.96 146.6834 0))
-    (property "Footprint" "" (id 2) (at 60.96 142.24 0)
-      (effects (font (size 1.27 1.27)) hide)
-    )
-    (property "Datasheet" "" (id 3) (at 60.96 142.24 0)
-      (effects (font (size 1.27 1.27)) hide)
-    )
-    (pin "1" (uuid 8e0cebad-b6d1-428a-b0a7-ee3f7d86ef45))
-  )
-
-  (sheet (at 60.96 156.21) (size 17.78 17.78) (fields_autoplaced)
+  (sheet (at 64.77 147.32) (size 20.32 19.05) (fields_autoplaced)
     (stroke (width 0.1524) (type solid) (color 0 0 0 0))
     (fill (color 0 0 0 0.0000))
-    (uuid c940a1cc-273e-4ddf-86c8-04040548fab9)
-    (property "Sheet name" "MIDI block" (id 0) (at 60.96 155.4984 0)
+    (uuid 6690eb41-2c1d-4abf-90f8-fc4c3740650e)
+    (property "Sheet name" "MIDI IN THRU OUT" (id 0) (at 64.77 146.6084 0)
       (effects (font (size 1.27 1.27)) (justify left bottom))
     )
-    (property "Sheet file" "midi.kicad_sch" (id 1) (at 60.96 174.5746 0)
+    (property "Sheet file" "midi_in_thru_out.kicad_sch" (id 1) (at 64.77 166.9546 0)
       (effects (font (size 1.27 1.27)) (justify left top))
     )
-    (pin "SHIELD" input (at 78.74 170.18 0)
+    (pin "5V" input (at 85.09 151.13 0)
       (effects (font (size 1.27 1.27)) (justify right))
-      (uuid 9e578cdc-4375-44fe-ab21-ba572839bc68)
+      (uuid b4ece9e1-6832-415b-b8db-3d12df7f8452)
+    )
+    (pin "3V3" input (at 85.09 153.67 0)
+      (effects (font (size 1.27 1.27)) (justify right))
+      (uuid dd8f96f6-3d76-4a9d-a318-c66aec37c34b)
+    )
+    (pin "GND" input (at 85.09 161.29 0)
+      (effects (font (size 1.27 1.27)) (justify right))
+      (uuid cb2e0cf7-0c84-4f73-8913-a6274375583d)
+    )
+    (pin "TX" input (at 85.09 158.75 0)
+      (effects (font (size 1.27 1.27)) (justify right))
+      (uuid 071a9ded-ad3b-41b6-9af1-c1de9b045633)
+    )
+    (pin "RX" input (at 85.09 156.21 0)
+      (effects (font (size 1.27 1.27)) (justify right))
+      (uuid 3ab06623-4c06-4084-a42e-3afb4f700940)
     )
   )
 
   (sheet_instances
     (path "/" (page "1"))
-    (path "/c940a1cc-273e-4ddf-86c8-04040548fab9" (page "2"))
+    (path "/6690eb41-2c1d-4abf-90f8-fc4c3740650e" (page "2"))
+    (path "/6690eb41-2c1d-4abf-90f8-fc4c3740650e/067e608b-1500-4656-956d-29b5641ffb6f" (page "3"))
+    (path "/6690eb41-2c1d-4abf-90f8-fc4c3740650e/c474a483-652e-46b3-829f-20d9c40cc74b" (page "5"))
+    (path "/6690eb41-2c1d-4abf-90f8-fc4c3740650e/23ac7157-3583-490b-a889-9bba9a4271ea" (page "6"))
   )
 
   (symbol_instances
@@ -1907,23 +1731,26 @@
     (path "/1c3049d6-dccd-4c2f-bb49-bc9522d41f10"
       (reference "#PWR?") (unit 1) (value "+5V") (footprint "")
     )
-    (path "/3f392f18-33b0-4281-a7b0-da40a11b2351"
-      (reference "#PWR?") (unit 1) (value "GND") (footprint "")
-    )
     (path "/51eabf2d-74a2-47ee-8232-9917d1f88938"
       (reference "#PWR?") (unit 1) (value "GND") (footprint "")
     )
     (path "/76e6d78b-515d-46eb-920b-ab4e1822cabb"
       (reference "#PWR?") (unit 1) (value "GND") (footprint "")
     )
+    (path "/8a1f78ff-8d72-4105-b4ac-e786501a9c05"
+      (reference "#PWR?") (unit 1) (value "GND") (footprint "")
+    )
+    (path "/c1f3947f-0239-4ebe-9df8-18529dfa219a"
+      (reference "#PWR?") (unit 1) (value "+5V") (footprint "")
+    )
     (path "/c4fb5047-e1bd-4e59-9504-ea258aeb6b1f"
       (reference "#PWR?") (unit 1) (value "+12V") (footprint "")
     )
     (path "/c75d24f5-1469-403d-a725-0ad9b354b60f"
       (reference "#PWR?") (unit 1) (value "GND") (footprint "")
     )
-    (path "/e7907cc8-2edf-417e-8a65-a9049a63d0b3"
-      (reference "#PWR?") (unit 1) (value "GND") (footprint "")
+    (path "/cfe3f5d4-74f8-4351-ac02-5648d488f998"
+      (reference "#PWR?") (unit 1) (value "+3.3V") (footprint "")
     )
     (path "/5f69dc0f-46e9-4fd7-b986-96e85aadcf84"
       (reference "C1") (unit 1) (value "100n") (footprint "")
@@ -1946,6 +1773,9 @@
     (path "/145c2c83-cfca-4ded-8bff-352eb6c6dd97"
       (reference "D?") (unit 1) (value "D") (footprint "")
     )
+    (path "/6690eb41-2c1d-4abf-90f8-fc4c3740650e/c474a483-652e-46b3-829f-20d9c40cc74b/294c6d09-6879-4de7-9e90-468157b5c3ad"
+      (reference "D?") (unit 1) (value "1N4148") (footprint "")
+    )
     (path "/450150f5-5107-481c-a1f1-5d294d0bd787"
       (reference "D?") (unit 1) (value "D") (footprint "")
     )
@@ -1955,14 +1785,32 @@
     (path "/346e95be-ba42-444e-a69e-3231c7bccacd"
       (reference "J2") (unit 1) (value "5V-12V") (footprint "")
     )
-    (path "/98de4e38-1bb8-473b-8d46-d46a0ceaa535"
+    (path "/6690eb41-2c1d-4abf-90f8-fc4c3740650e/067e608b-1500-4656-956d-29b5641ffb6f/1a611f43-b4f7-4fcf-ad41-29a58836dde9"
+      (reference "J?") (unit 1) (value "MIDI 1 OUT") (footprint "")
+    )
+    (path "/6690eb41-2c1d-4abf-90f8-fc4c3740650e/23ac7157-3583-490b-a889-9bba9a4271ea/1a611f43-b4f7-4fcf-ad41-29a58836dde9"
+      (reference "J?") (unit 1) (value "MIDI 1 OUT") (footprint "")
+    )
+    (path "/6690eb41-2c1d-4abf-90f8-fc4c3740650e/c474a483-652e-46b3-829f-20d9c40cc74b/ef6a6c01-f923-4c9d-a819-38ac16276317"
       (reference "J?") (unit 1) (value "MIDI 1 IN") (footprint "")
     )
-    (path "/b642511f-3f2b-4c9a-87b9-f7fdedc38d1a"
-      (reference "J?") (unit 1) (value "MIDI 2 OUT") (footprint "")
+    (path "/6690eb41-2c1d-4abf-90f8-fc4c3740650e/067e608b-1500-4656-956d-29b5641ffb6f/a07e3256-d300-4a60-8ab4-b2982be6c30d"
+      (reference "Q?") (unit 1) (value "BSS138") (footprint "Package_TO_SOT_SMD:SOT-23")
     )
-    (path "/c940a1cc-273e-4ddf-86c8-04040548fab9/ef6a6c01-f923-4c9d-a819-38ac16276317"
-      (reference "J?") (unit 1) (value "MIDI 1 IN") (footprint "")
+    (path "/6690eb41-2c1d-4abf-90f8-fc4c3740650e/23ac7157-3583-490b-a889-9bba9a4271ea/a07e3256-d300-4a60-8ab4-b2982be6c30d"
+      (reference "Q?") (unit 1) (value "BSS138") (footprint "Package_TO_SOT_SMD:SOT-23")
+    )
+    (path "/6690eb41-2c1d-4abf-90f8-fc4c3740650e/c474a483-652e-46b3-829f-20d9c40cc74b/51573874-d267-41b6-a92d-12fde60dc48f"
+      (reference "R?") (unit 1) (value "220") (footprint "")
+    )
+    (path "/6690eb41-2c1d-4abf-90f8-fc4c3740650e/067e608b-1500-4656-956d-29b5641ffb6f/bb78e4a5-6cb5-4004-9500-0213e96884f7"
+      (reference "R?") (unit 1) (value "220") (footprint "")
+    )
+    (path "/6690eb41-2c1d-4abf-90f8-fc4c3740650e/23ac7157-3583-490b-a889-9bba9a4271ea/bb78e4a5-6cb5-4004-9500-0213e96884f7"
+      (reference "R?") (unit 1) (value "220") (footprint "")
+    )
+    (path "/6690eb41-2c1d-4abf-90f8-fc4c3740650e/c474a483-652e-46b3-829f-20d9c40cc74b/d99f4a08-ebd6-407a-bcb1-175cfe6468a3"
+      (reference "R?") (unit 1) (value "220") (footprint "")
     )
     (path "/d3b3bc74-c583-4f45-a205-f699d89e935b"
       (reference "U1") (unit 1) (value "ESP32-S3-WROOM-2") (footprint "Espressif:ESP32-S3-WROOM-2")
@@ -1973,5 +1821,8 @@
     (path "/280ddd68-d04a-4a45-8d72-a74ee98b4f54"
       (reference "U?") (unit 1) (value "AMS1117-5.0") (footprint "Package_TO_SOT_SMD:SOT-223-3_TabPin2")
     )
+    (path "/6690eb41-2c1d-4abf-90f8-fc4c3740650e/c474a483-652e-46b3-829f-20d9c40cc74b/739761ec-fad8-48c4-97ae-0fc3365f6fea"
+      (reference "U?") (unit 1) (value "4N25") (footprint "Package_DIP:DIP-6_W7.62mm")
+    )
   )
 )
diff --git a/esp32_midi/midi.kicad_sch b/esp32_midi/midi.kicad_sch
index f4a95d4..7238f39 100644
--- a/esp32_midi/midi.kicad_sch
+++ b/esp32_midi/midi.kicad_sch
@@ -1,6 +1,6 @@
 (kicad_sch (version 20211123) (generator eeschema)
 
-  (uuid 70d184e5-33f8-4906-9208-edd01b2df529)
+  (uuid 14dc3eff-15be-4a71-826c-d7a01d36710d)
 
   (paper "A4")
 
@@ -136,52 +136,443 @@
         )
       )
     )
+    (symbol "Device:D" (pin_numbers hide) (pin_names (offset 1.016) hide) (in_bom yes) (on_board yes)
+      (property "Reference" "D" (id 0) (at 0 2.54 0)
+        (effects (font (size 1.27 1.27)))
+      )
+      (property "Value" "D" (id 1) (at 0 -2.54 0)
+        (effects (font (size 1.27 1.27)))
+      )
+      (property "Footprint" "" (id 2) (at 0 0 0)
+        (effects (font (size 1.27 1.27)) hide)
+      )
+      (property "Datasheet" "~" (id 3) (at 0 0 0)
+        (effects (font (size 1.27 1.27)) hide)
+      )
+      (property "ki_keywords" "diode" (id 4) (at 0 0 0)
+        (effects (font (size 1.27 1.27)) hide)
+      )
+      (property "ki_description" "Diode" (id 5) (at 0 0 0)
+        (effects (font (size 1.27 1.27)) hide)
+      )
+      (property "ki_fp_filters" "TO-???* *_Diode_* *SingleDiode* D_*" (id 6) (at 0 0 0)
+        (effects (font (size 1.27 1.27)) hide)
+      )
+      (symbol "D_0_1"
+        (polyline
+          (pts
+            (xy -1.27 1.27)
+            (xy -1.27 -1.27)
+          )
+          (stroke (width 0.254) (type default) (color 0 0 0 0))
+          (fill (type none))
+        )
+        (polyline
+          (pts
+            (xy 1.27 0)
+            (xy -1.27 0)
+          )
+          (stroke (width 0) (type default) (color 0 0 0 0))
+          (fill (type none))
+        )
+        (polyline
+          (pts
+            (xy 1.27 1.27)
+            (xy 1.27 -1.27)
+            (xy -1.27 0)
+            (xy 1.27 1.27)
+          )
+          (stroke (width 0.254) (type default) (color 0 0 0 0))
+          (fill (type none))
+        )
+      )
+      (symbol "D_1_1"
+        (pin passive line (at -3.81 0 0) (length 2.54)
+          (name "K" (effects (font (size 1.27 1.27))))
+          (number "1" (effects (font (size 1.27 1.27))))
+        )
+        (pin passive line (at 3.81 0 180) (length 2.54)
+          (name "A" (effects (font (size 1.27 1.27))))
+          (number "2" (effects (font (size 1.27 1.27))))
+        )
+      )
+    )
+    (symbol "Device:R" (pin_numbers hide) (pin_names (offset 0)) (in_bom yes) (on_board yes)
+      (property "Reference" "R" (id 0) (at 2.032 0 90)
+        (effects (font (size 1.27 1.27)))
+      )
+      (property "Value" "R" (id 1) (at 0 0 90)
+        (effects (font (size 1.27 1.27)))
+      )
+      (property "Footprint" "" (id 2) (at -1.778 0 90)
+        (effects (font (size 1.27 1.27)) hide)
+      )
+      (property "Datasheet" "~" (id 3) (at 0 0 0)
+        (effects (font (size 1.27 1.27)) hide)
+      )
+      (property "ki_keywords" "R res resistor" (id 4) (at 0 0 0)
+        (effects (font (size 1.27 1.27)) hide)
+      )
+      (property "ki_description" "Resistor" (id 5) (at 0 0 0)
+        (effects (font (size 1.27 1.27)) hide)
+      )
+      (property "ki_fp_filters" "R_*" (id 6) (at 0 0 0)
+        (effects (font (size 1.27 1.27)) hide)
+      )
+      (symbol "R_0_1"
+        (rectangle (start -1.016 -2.54) (end 1.016 2.54)
+          (stroke (width 0.254) (type default) (color 0 0 0 0))
+          (fill (type none))
+        )
+      )
+      (symbol "R_1_1"
+        (pin passive line (at 0 3.81 270) (length 1.27)
+          (name "~" (effects (font (size 1.27 1.27))))
+          (number "1" (effects (font (size 1.27 1.27))))
+        )
+        (pin passive line (at 0 -3.81 90) (length 1.27)
+          (name "~" (effects (font (size 1.27 1.27))))
+          (number "2" (effects (font (size 1.27 1.27))))
+        )
+      )
+    )
+    (symbol "Isolator:4N25" (pin_names (offset 1.016)) (in_bom yes) (on_board yes)
+      (property "Reference" "U" (id 0) (at -5.08 5.08 0)
+        (effects (font (size 1.27 1.27)) (justify left))
+      )
+      (property "Value" "4N25" (id 1) (at 0 5.08 0)
+        (effects (font (size 1.27 1.27)) (justify left))
+      )
+      (property "Footprint" "Package_DIP:DIP-6_W7.62mm" (id 2) (at -5.08 -5.08 0)
+        (effects (font (size 1.27 1.27) italic) (justify left) hide)
+      )
+      (property "Datasheet" "https://www.vishay.com/docs/83725/4n25.pdf" (id 3) (at 0 0 0)
+        (effects (font (size 1.27 1.27)) (justify left) hide)
+      )
+      (property "ki_keywords" "NPN DC Optocoupler Base Connected" (id 4) (at 0 0 0)
+        (effects (font (size 1.27 1.27)) hide)
+      )
+      (property "ki_description" "DC Optocoupler Base Connected, Vce 30V, CTR 20%, Viso 2500V, DIP6" (id 5) (at 0 0 0)
+        (effects (font (size 1.27 1.27)) hide)
+      )
+      (property "ki_fp_filters" "DIP*W7.62mm*" (id 6) (at 0 0 0)
+        (effects (font (size 1.27 1.27)) hide)
+      )
+      (symbol "4N25_0_1"
+        (rectangle (start -5.08 3.81) (end 5.08 -3.81)
+          (stroke (width 0.254) (type default) (color 0 0 0 0))
+          (fill (type background))
+        )
+        (polyline
+          (pts
+            (xy -3.81 -0.635)
+            (xy -2.54 -0.635)
+          )
+          (stroke (width 0.254) (type default) (color 0 0 0 0))
+          (fill (type none))
+        )
+        (polyline
+          (pts
+            (xy 2.667 -1.397)
+            (xy 3.81 -2.54)
+          )
+          (stroke (width 0) (type default) (color 0 0 0 0))
+          (fill (type none))
+        )
+        (polyline
+          (pts
+            (xy 2.667 -1.143)
+            (xy 3.81 0)
+          )
+          (stroke (width 0) (type default) (color 0 0 0 0))
+          (fill (type none))
+        )
+        (polyline
+          (pts
+            (xy 3.81 -2.54)
+            (xy 5.08 -2.54)
+          )
+          (stroke (width 0) (type default) (color 0 0 0 0))
+          (fill (type none))
+        )
+        (polyline
+          (pts
+            (xy 3.81 0)
+            (xy 5.08 0)
+          )
+          (stroke (width 0) (type default) (color 0 0 0 0))
+          (fill (type none))
+        )
+        (polyline
+          (pts
+            (xy 2.667 -0.254)
+            (xy 2.667 -2.286)
+            (xy 2.667 -2.286)
+          )
+          (stroke (width 0.3556) (type default) (color 0 0 0 0))
+          (fill (type none))
+        )
+        (polyline
+          (pts
+            (xy -5.08 -2.54)
+            (xy -3.175 -2.54)
+            (xy -3.175 2.54)
+            (xy -5.08 2.54)
+          )
+          (stroke (width 0) (type default) (color 0 0 0 0))
+          (fill (type none))
+        )
+        (polyline
+          (pts
+            (xy -3.175 -0.635)
+            (xy -3.81 0.635)
+            (xy -2.54 0.635)
+            (xy -3.175 -0.635)
+          )
+          (stroke (width 0.254) (type default) (color 0 0 0 0))
+          (fill (type none))
+        )
+        (polyline
+          (pts
+            (xy 3.683 -2.413)
+            (xy 3.429 -1.905)
+            (xy 3.175 -2.159)
+            (xy 3.683 -2.413)
+          )
+          (stroke (width 0) (type default) (color 0 0 0 0))
+          (fill (type none))
+        )
+        (polyline
+          (pts
+            (xy 5.08 2.54)
+            (xy 1.905 2.54)
+            (xy 1.905 -1.27)
+            (xy 2.54 -1.27)
+          )
+          (stroke (width 0) (type default) (color 0 0 0 0))
+          (fill (type none))
+        )
+        (polyline
+          (pts
+            (xy -0.635 -0.508)
+            (xy 0.635 -0.508)
+            (xy 0.254 -0.635)
+            (xy 0.254 -0.381)
+            (xy 0.635 -0.508)
+          )
+          (stroke (width 0) (type default) (color 0 0 0 0))
+          (fill (type none))
+        )
+        (polyline
+          (pts
+            (xy -0.635 0.508)
+            (xy 0.635 0.508)
+            (xy 0.254 0.381)
+            (xy 0.254 0.635)
+            (xy 0.635 0.508)
+          )
+          (stroke (width 0) (type default) (color 0 0 0 0))
+          (fill (type none))
+        )
+      )
+      (symbol "4N25_1_1"
+        (pin passive line (at -7.62 2.54 0) (length 2.54)
+          (name "~" (effects (font (size 1.27 1.27))))
+          (number "1" (effects (font (size 1.27 1.27))))
+        )
+        (pin passive line (at -7.62 -2.54 0) (length 2.54)
+          (name "~" (effects (font (size 1.27 1.27))))
+          (number "2" (effects (font (size 1.27 1.27))))
+        )
+        (pin no_connect line (at -5.08 0 0) (length 2.54) hide
+          (name "NC" (effects (font (size 1.27 1.27))))
+          (number "3" (effects (font (size 1.27 1.27))))
+        )
+        (pin passive line (at 7.62 -2.54 180) (length 2.54)
+          (name "~" (effects (font (size 1.27 1.27))))
+          (number "4" (effects (font (size 1.27 1.27))))
+        )
+        (pin passive line (at 7.62 0 180) (length 2.54)
+          (name "~" (effects (font (size 1.27 1.27))))
+          (number "5" (effects (font (size 1.27 1.27))))
+        )
+        (pin passive line (at 7.62 2.54 180) (length 2.54)
+          (name "~" (effects (font (size 1.27 1.27))))
+          (number "6" (effects (font (size 1.27 1.27))))
+        )
+      )
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diff --git a/esp32_midi/midi_in_thru_out.kicad_sch b/esp32_midi/midi_in_thru_out.kicad_sch
new file mode 100644
index 0000000..3ef7ada
--- /dev/null
+++ b/esp32_midi/midi_in_thru_out.kicad_sch
@@ -0,0 +1,217 @@
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diff --git a/esp32_midi/midi_out.kicad_sch b/esp32_midi/midi_out.kicad_sch
new file mode 100644
index 0000000..dbb9de3
--- /dev/null
+++ b/esp32_midi/midi_out.kicad_sch
@@ -0,0 +1,419 @@
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