* Added screenshot

* Default to 5V on J3 Header

KiCad/subtone.kicad_pcb

@@ -256,11 +256,11 @@
     (fp_line (start 2.3 1.25) (end 2.3 -1.25)
       (stroke (width 0.05) (type solid)) (layer "F.CrtYd") (tstamp d362f0c7-38c8-44ee-ba8b-c458df486166))
     (pad "1" smd rect (at -1.3 0 270) (size 1 1.5) (layers "F.Cu" "F.Mask")
-      (net 2 "+3V3") (pinfunction "A") (pintype "passive") (tstamp 81fe4c2b-f3c5-444f-9bfe-e7be3a969d0a))
+      (net 12 "+5V") (pinfunction "A") (pintype "passive") (tstamp 81fe4c2b-f3c5-444f-9bfe-e7be3a969d0a))
     (pad "2" smd rect (at 0 0 270) (size 1 1.5) (layers "F.Cu" "F.Mask")
       (net 17 "Net-(J3-Pin_2)") (pinfunction "C") (pintype "passive") (tstamp e1e306b9-5c2a-4d59-b1e7-51c12dd9e35f))
     (pad "3" smd rect (at 1.3 0 270) (size 1 1.5) (layers "F.Cu" "F.Mask")
-      (net 12 "+5V") (pinfunction "B") (pintype "passive") (tstamp 05d57445-2577-4c0f-bee7-d35ed0acf8b0))
+      (net 2 "+3V3") (pinfunction "B") (pintype "passive") (tstamp 05d57445-2577-4c0f-bee7-d35ed0acf8b0))
   )
 
   (footprint "Connector_PinHeader_2.54mm:PinHeader_1x07_P2.54mm_Vertical" (layer "F.Cu")

KiCad/subtone.kicad_sch

@@ -1072,6 +1072,31 @@
     )
   )
 
+  (symbol (lib_id "power:+3V3") (at 83.82 34.29 270) (unit 1)
+    (in_bom yes) (on_board yes) (dnp no)
+    (uuid 15bf7cab-547f-4d99-aef7-61bb881b4fa7)
+    (property "Reference" "#PWR07" (at 80.01 34.29 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Value" "+3V3" (at 81.28 31.75 90)
+      (effects (font (size 1.27 1.27)) (justify left))
+    )
+    (property "Footprint" "" (at 83.82 34.29 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Datasheet" "" (at 83.82 34.29 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (pin "1" (uuid d820bf32-968d-4213-a6d8-680884d59d77))
+    (instances
+      (project "subtone"
+        (path "/fb2bd3e4-75a5-4576-8ec5-6224bbfd73f9"
+          (reference "#PWR07") (unit 1)
+        )
+      )
+    )
+  )
+
   (symbol (lib_id "Device:RotaryEncoder_Switch") (at 161.29 48.26 0) (mirror x) (unit 1)
     (in_bom yes) (on_board yes) (dnp no)
     (uuid 2b19c19d-7d50-4100-b026-2165577620eb)
@@ -1104,7 +1129,7 @@
   (symbol (lib_id "Jumper:Jumper_3_Bridged12") (at 77.47 34.29 0) (mirror x) (unit 1)
     (in_bom yes) (on_board yes) (dnp no)
     (uuid 33c83894-dbf2-4585-8d49-26e79e22d331)
-    (property "Reference" "JP1" (at 77.47 38.1 0)
+    (property "Reference" "JP1" (at 78.74 36.83 0)
       (effects (font (size 1.27 1.27)))
     )
     (property "Value" "Jumper_3_Bridged12" (at 77.47 38.1 0)
@@ -1191,31 +1216,6 @@
     )
   )
 
-  (symbol (lib_id "power:+5V") (at 83.82 34.29 270) (unit 1)
-    (in_bom yes) (on_board yes) (dnp no)
-    (uuid 556e7cdd-4c99-4d5e-b609-57110c5cc4ae)
-    (property "Reference" "#PWR07" (at 80.01 34.29 0)
-      (effects (font (size 1.27 1.27)) hide)
-    )
-    (property "Value" "+5V" (at 82.55 31.75 90)
-      (effects (font (size 1.27 1.27)) (justify left))
-    )
-    (property "Footprint" "" (at 83.82 34.29 0)
-      (effects (font (size 1.27 1.27)) hide)
-    )
-    (property "Datasheet" "" (at 83.82 34.29 0)
-      (effects (font (size 1.27 1.27)) hide)
-    )
-    (pin "1" (uuid 01b67063-1b74-40bb-94d0-5ef45152b7f7))
-    (instances
-      (project "subtone"
-        (path "/fb2bd3e4-75a5-4576-8ec5-6224bbfd73f9"
-          (reference "#PWR07") (unit 1)
-        )
-      )
-    )
-  )
-
   (symbol (lib_id "power:GND") (at 168.91 52.07 0) (unit 1)
     (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
     (uuid 5b88ab0d-9206-44a6-ba52-b049477d533f)
@@ -1291,6 +1291,31 @@
     )
   )
 
+  (symbol (lib_id "power:+5V") (at 71.12 38.1 180) (unit 1)
+    (in_bom yes) (on_board yes) (dnp no)
+    (uuid 84fee81a-15b5-4650-8df9-a2a92012f97f)
+    (property "Reference" "#PWR09" (at 71.12 34.29 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Value" "+5V" (at 76.2 38.1 0)
+      (effects (font (size 1.27 1.27)) (justify left))
+    )
+    (property "Footprint" "" (at 71.12 38.1 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Datasheet" "" (at 71.12 38.1 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (pin "1" (uuid d2ae5b5c-bf6a-4564-8ebd-da30dc3970dd))
+    (instances
+      (project "subtone"
+        (path "/fb2bd3e4-75a5-4576-8ec5-6224bbfd73f9"
+          (reference "#PWR09") (unit 1)
+        )
+      )
+    )
+  )
+
   (symbol (lib_id "Device:C_Polarized") (at 93.98 26.67 90) (mirror x) (unit 1)
     (in_bom yes) (on_board yes) (dnp no)
     (uuid 8524123e-3968-44d2-977e-8e13e08349eb)
@@ -1451,31 +1476,6 @@
     )
   )
 
-  (symbol (lib_id "power:+3V3") (at 71.12 38.1 180) (unit 1)
-    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
-    (uuid c7a64884-0088-4fd4-80b5-19078d266478)
-    (property "Reference" "#PWR09" (at 71.12 34.29 0)
-      (effects (font (size 1.27 1.27)) hide)
-    )
-    (property "Value" "+3V3" (at 71.12 43.18 0)
-      (effects (font (size 1.27 1.27)))
-    )
-    (property "Footprint" "" (at 71.12 38.1 0)
-      (effects (font (size 1.27 1.27)) hide)
-    )
-    (property "Datasheet" "" (at 71.12 38.1 0)
-      (effects (font (size 1.27 1.27)) hide)
-    )
-    (pin "1" (uuid 64d235af-f7fe-4af6-8d34-91e500c62660))
-    (instances
-      (project "subtone"
-        (path "/fb2bd3e4-75a5-4576-8ec5-6224bbfd73f9"
-          (reference "#PWR09") (unit 1)
-        )
-      )
-    )
-  )
-
   (symbol (lib_id "Connector:Conn_01x03_Pin") (at 62.23 29.21 0) (mirror x) (unit 1)
     (in_bom yes) (on_board yes) (dnp no)
     (uuid d5e4915d-7aa6-4231-949f-bd52a10e3244)

README.md

@@ -6,3 +6,11 @@ An embedded rust project to generate
 via [PDM](https://en.wikipedia.org/wiki/Pulse-density_modulation) on a cheap
 [RP2040](https://en.wikipedia.org/wiki/RP2040) board.
 
+
+Schematics
+----------
+
+Board used is a Seeed Studio XIAO RP2040. When using a Pi-Pico, just use the
+corresponding I/O-pins (Px) there.
+
+![schematics](Screenshot.png "XIAO RP2040 Schematics")