hardware: Improve some connections to the MCU.

hackamp/hardware/bluetooth.kicad_sch

 (kicad_sch (version 20201015) (generator eeschema)
 
-  (page 1 7)
-
   (paper "A4")
 
   (lib_symbols
   (junction (at 214.63 26.67) (diameter 0.9144) (color 0 0 0 0))
   (junction (at 236.22 153.67) (diameter 0.9144) (color 0 0 0 0))
 
-  (no_connect (at 257.81 74.93))
-  (no_connect (at 257.81 69.85))
   (no_connect (at 257.81 62.23))
-  (no_connect (at 217.17 24.13))
-  (no_connect (at 257.81 80.01))
-  (no_connect (at 257.81 87.63))
-  (no_connect (at 217.17 29.21))
+  (no_connect (at 257.81 59.69))
+  (no_connect (at 257.81 67.31))
+  (no_connect (at 257.81 74.93))
   (no_connect (at 109.22 157.48))
+  (no_connect (at 217.17 29.21))
   (no_connect (at 109.22 160.02))
-  (no_connect (at 257.81 67.31))
+  (no_connect (at 217.17 87.63))
   (no_connect (at 257.81 85.09))
   (no_connect (at 257.81 77.47))
   (no_connect (at 246.38 146.05))
-  (no_connect (at 217.17 87.63))
-  (no_connect (at 257.81 59.69))
   (no_connect (at 257.81 46.99))
+  (no_connect (at 217.17 24.13))
+  (no_connect (at 257.81 69.85))
   (no_connect (at 246.38 135.89))
+  (no_connect (at 257.81 80.01))
+  (no_connect (at 257.81 87.63))
 
   (wire (pts (xy 24.13 72.39) (xy 24.13 80.01))
     (stroke (width 0) (type solid) (color 0 0 0 0))

hackamp/hardware/fp-info-cache

-18265948801828957
+18265948802027957
 Battery
 BatteryHolder_Bulgin_BX0036_1xC
 Bulgin Battery Holder, BX0036, Battery Type C (https://www.bulgin.com/products/pub/media/bulgin/data/Battery_holders.pdf)

hackamp/hardware/front.kicad_sch

 (kicad_sch (version 20201015) (generator eeschema)
 
-  (page 1 7)
-
   (paper "A4")
 
   (lib_symbols
   (junction (at 261.62 130.81) (diameter 0.9144) (color 0 0 0 0))
   (junction (at 266.7 77.47) (diameter 0.9144) (color 0 0 0 0))
 
-  (no_connect (at 60.96 115.57))
-  (no_connect (at 48.26 115.57))
   (no_connect (at 234.95 128.27))
+  (no_connect (at 48.26 115.57))
+  (no_connect (at 60.96 115.57))
   (no_connect (at 48.26 113.03))
 
   (wire (pts (xy 22.86 43.18) (xy 25.4 43.18))

hackamp/hardware/hackamp.kicad_pro

           "min_clearance": 0.508
         }
       },
-      "diff_pair_dimensions": [],
+      "diff_pair_dimensions": [
+        {
+          "gap": 0.0,
+          "via_gap": 0.0,
+          "width": 0.0
+        }
+      ],
       "drc_exclusions": [],
       "meta": {
         "version": 1
         "invalid_outline": "error",
         "item_on_disabled_layer": "error",
         "items_not_allowed": "error",
-        "keepout": "error",
         "length_out_of_range": "error",
         "malformed_courtyard": "error",
         "microvia_drill_too_small": "error",
         "unconnected_items": "error",
         "unresolved_variable": "error",
         "via_dangling": "warning",
-        "via_hole_larger_than_pad": "error",
         "zone_has_empty_net": "error",
         "zones_intersect": "error"
       },
         "max_error": 0.005,
         "min_clearance": 0.0,
         "min_copper_edge_clearance": 0.01,
+        "min_hole_clearance": 0.0,
         "min_hole_to_hole": 0.25,
         "min_microvia_diameter": 0.19999999999999998,
         "min_microvia_drill": 0.09999999999999999,
         "solder_mask_clearance": 0.0,
         "solder_mask_min_width": 0.0,
         "solder_paste_clearance": 0.0,
-        "solder_paste_margin_ratio": 0.0
+        "solder_paste_margin_ratio": -0.0
       },
-      "track_widths": [],
-      "via_dimensions": [],
+      "track_widths": [
+        0.0,
+        0.25,
+        0.5,
+        1.0
+      ],
+      "via_dimensions": [
+        {
+          "diameter": 0.0,
+          "drill": 0.0
+        },
+        {
+          "diameter": 0.6,
+          "drill": 0.3
+        },
+        {
+          "diameter": 1.0,
+          "drill": 0.5
+        }
+      ],
       "zones_allow_external_fillets": false,
       "zones_use_no_outline": true
     },
   },
   "sheets": [
     [
-      "6a82eebd-bbb0-445a-ae09-7b4335abfc11",
+      "03175e32-2357-4040-a89c-2c863d4b5590",
       ""
     ],
-    [
-      "00000000-0000-0000-0000-00005fa5bc7f",
-      "Power Supply"
-    ],
     [
       "00000000-0000-0000-0000-00005fa5bced",
       "Speaker Amplifier"
       "00000000-0000-0000-0000-00005fa5bd36",
       "Headphone Amplifier"
     ],
+    [
+      "00000000-0000-0000-0000-00005fa5bc7f",
+      "Power Supply"
+    ],
     [
       "00000000-0000-0000-0000-00005fa5bd7a",
       "Processor"

hackamp/hardware/hackamp.kicad_sch

 (kicad_sch (version 20201015) (generator eeschema)
 
-  (page 1 7)
-
   (paper "A4" portrait)
 
   (lib_symbols
 
   (sheet_instances
     (path "/" (page "1"))
-    (path "/00000000-0000-0000-0000-00005fa5bc7f/" (page "4"))
     (path "/00000000-0000-0000-0000-00005fa5bced/" (page "2"))
     (path "/00000000-0000-0000-0000-00005fa5bd36/" (page "3"))
+    (path "/00000000-0000-0000-0000-00005fa5bc7f/" (page "4"))
     (path "/00000000-0000-0000-0000-00005fa5bd7a/" (page "5"))
     (path "/00000000-0000-0000-0000-00005fa5bdb1/" (page "6"))
     (path "/00000000-0000-0000-0000-00005fb71226/" (page "7"))
     (path "/899a433f-d5c9-4c79-a4c5-5132b8c3416f"
       (reference "R24") (unit 1) (value "10k") (footprint "Resistor_SMD:R_0603_1608Metric")
     )
-    (path "/00000000-0000-0000-0000-00005fa5bc7f/00000000-0000-0000-0000-00005fafa512"
-      (reference "#PWR0108") (unit 1) (value "GND") (footprint "")
-    )
-    (path "/00000000-0000-0000-0000-00005fa5bc7f/00000000-0000-0000-0000-00005fafa758"
-      (reference "#PWR0109") (unit 1) (value "GND") (footprint "")
-    )
-    (path "/00000000-0000-0000-0000-00005fa5bc7f/00000000-0000-0000-0000-00005fafa9dd"
-      (reference "#PWR0110") (unit 1) (value "GND") (footprint "")
-    )
-    (path "/00000000-0000-0000-0000-00005fa5bc7f/00000000-0000-0000-0000-00005faff7e8"
-      (reference "#PWR0111") (unit 1) (value "GND") (footprint "")
-    )
-    (path "/00000000-0000-0000-0000-00005fa5bc7f/00000000-0000-0000-0000-00005faffabc"
-      (reference "#PWR0112") (unit 1) (value "GND") (footprint "")
-    )
-    (path "/00000000-0000-0000-0000-00005fa5bc7f/00000000-0000-0000-0000-00005fb13ff7"
-      (reference "#PWR0113") (unit 1) (value "GND") (footprint "")
-    )
-    (path "/00000000-0000-0000-0000-00005fa5bc7f/00000000-0000-0000-0000-00005fb1430d"
-      (reference "#PWR0114") (unit 1) (value "GND") (footprint "")
-    )
-    (path "/00000000-0000-0000-0000-00005fa5bc7f/00000000-0000-0000-0000-00005fb21ff7"
-      (reference "#PWR0115") (unit 1) (value "GND") (footprint "")
-    )
-    (path "/00000000-0000-0000-0000-00005fa5bc7f/00000000-0000-0000-0000-00005fb223ee"
-      (reference "#PWR0116") (unit 1) (value "GND") (footprint "")
-    )
-    (path "/00000000-0000-0000-0000-00005fa5bc7f/00000000-0000-0000-0000-00005fb3aa5f"
-      (reference "#PWR0117") (unit 1) (value "GND") (footprint "")
-    )
-    (path "/00000000-0000-0000-0000-00005fa5bc7f/00000000-0000-0000-0000-00005fb45156"
-      (reference "#PWR0118") (unit 1) (value "GND") (footprint "")
-    )
-    (path "/00000000-0000-0000-0000-00005fa5bc7f/001449f5-956d-4c9b-8dcf-31df2fed335b"
-      (reference "#PWR0140") (unit 1) (value "+5V") (footprint "")
-    )
-    (path "/00000000-0000-0000-0000-00005fa5bc7f/4254a0f0-8fce-48d1-b6b3-8a4f47c6ca1b"
-      (reference "#PWR0141") (unit 1) (value "GND") (footprint "")
-    )
-    (path "/00000000-0000-0000-0000-00005fa5bc7f/463b47a1-8e70-454b-8115-0a842bdb19ec"
-      (reference "#PWR0142") (unit 1) (value "+5V") (footprint "")
-    )
-    (path "/00000000-0000-0000-0000-00005fa5bc7f/3f2eebc0-a9ff-4d02-9446-42b2d9f98f35"
-      (reference "#PWR0143") (unit 1) (value "GND") (footprint "")
-    )
-    (path "/00000000-0000-0000-0000-00005fa5bc7f/5a1ee32f-8919-450b-8777-85c2eb3e9af3"
-      (reference "#PWR0144") (unit 1) (value "GND") (footprint "")
-    )
-    (path "/00000000-0000-0000-0000-00005fa5bc7f/ca8029fd-b8b1-4f6f-b39d-5228ab3182ba"
-      (reference "#PWR0145") (unit 1) (value "GND") (footprint "")
-    )
-    (path "/00000000-0000-0000-0000-00005fa5bc7f/f42e8e2b-7a0f-499e-b5f5-28f862f2748e"
-      (reference "#PWR0146") (unit 1) (value "GND") (footprint "")
-    )
-    (path "/00000000-0000-0000-0000-00005fa5bc7f/685286b0-1260-4358-a241-2922e3efe997"
-      (reference "#PWR0147") (unit 1) (value "+3V3") (footprint "")
-    )
-    (path "/00000000-0000-0000-0000-00005fa5bc7f/6c0cbbec-be76-48e2-b74e-a1ab926441b2"
-      (reference "#PWR0148") (unit 1) (value "GND") (footprint "")
-    )
-    (path "/00000000-0000-0000-0000-00005fa5bc7f/0dbbcd79-ceca-4745-868f-29431fdb62c3"
-      (reference "#PWR0149") (unit 1) (value "+5V") (footprint "")
-    )
-    (path "/00000000-0000-0000-0000-00005fa5bc7f/6e6bdd30-d71c-4933-8cce-58701df0c557"
-      (reference "#PWR0150") (unit 1) (value "+3.3VA") (footprint "")
-    )
-    (path "/00000000-0000-0000-0000-00005fa5bc7f/00000000-0000-0000-0000-00005faf6729"
-      (reference "C1") (unit 1) (value "100uF/35V") (footprint "Capacitor_SMD:CP_Elec_8x10")
-    )
-    (path "/00000000-0000-0000-0000-00005fa5bc7f/00000000-0000-0000-0000-00005fafbd06"
-      (reference "C2") (unit 1) (value "10uF/50V") (footprint "Capacitor_SMD:C_1206_3216Metric")
-    )
-    (path "/00000000-0000-0000-0000-00005fa5bc7f/00000000-0000-0000-0000-00005faf80b5"
-      (reference "C3") (unit 1) (value "100uF/35V") (footprint "Capacitor_SMD:CP_Elec_8x10")
-    )
-    (path "/00000000-0000-0000-0000-00005fa5bc7f/00000000-0000-0000-0000-00005fafc192"
-      (reference "C4") (unit 1) (value "10uF/50V") (footprint "Capacitor_SMD:C_1206_3216Metric")
-    )
-    (path "/00000000-0000-0000-0000-00005fa5bc7f/00000000-0000-0000-0000-00005fafe05e"
-      (reference "C5") (unit 1) (value "0.1uF") (footprint "Capacitor_SMD:C_0603_1608Metric")
-    )
-    (path "/00000000-0000-0000-0000-00005fa5bc7f/00000000-0000-0000-0000-00005fb19cb1"
-      (reference "C6") (unit 1) (value "DNP") (footprint "Capacitor_SMD:C_0603_1608Metric")
-    )
-    (path "/00000000-0000-0000-0000-00005fa5bc7f/00000000-0000-0000-0000-00005fb15b6a"
-      (reference "C7") (unit 1) (value "0.1uF") (footprint "Capacitor_SMD:C_0603_1608Metric")
-    )
-    (path "/00000000-0000-0000-0000-00005fa5bc7f/00000000-0000-0000-0000-00005fb1a7e8"
-      (reference "C8") (unit 1) (value "6.8nF") (footprint "Capacitor_SMD:C_0603_1608Metric")
-    )
-    (path "/00000000-0000-0000-0000-00005fa5bc7f/00000000-0000-0000-0000-00005fb17e7a"
-      (reference "C9") (unit 1) (value "22uF") (footprint "Capacitor_SMD:C_1206_3216Metric")
-    )
-    (path "/00000000-0000-0000-0000-00005fa5bc7f/00000000-0000-0000-0000-00005fb185a0"
-      (reference "C10") (unit 1) (value "22uF") (footprint "Capacitor_SMD:C_1206_3216Metric")
-    )
-    (path "/00000000-0000-0000-0000-00005fa5bc7f/91028526-cd0e-466c-b5de-46182c2a3ef9"
-      (reference "C39") (unit 1) (value "10uF/6.3V") (footprint "Capacitor_SMD:C_0805_2012Metric")
-    )
-    (path "/00000000-0000-0000-0000-00005fa5bc7f/ef160b74-c555-4860-9dcb-3a3770813200"
-      (reference "C40") (unit 1) (value "10uF/6.3V") (footprint "Capacitor_SMD:C_0805_2012Metric")
-    )
-    (path "/00000000-0000-0000-0000-00005fa5bc7f/4ea1f202-2adf-4eff-a410-b25f44832b1b"
-      (reference "C41") (unit 1) (value "10uF/6.3V") (footprint "Capacitor_SMD:C_0805_2012Metric")
-    )
-    (path "/00000000-0000-0000-0000-00005fa5bc7f/4211cf88-cbef-45f8-83bc-f743ce8b06cd"
-      (reference "C42") (unit 1) (value "10uF/6.3V") (footprint "Capacitor_SMD:C_0805_2012Metric")
-    )
-    (path "/00000000-0000-0000-0000-00005fa5bc7f/00000000-0000-0000-0000-00005faf53da"
-      (reference "F1") (unit 1) (value "4A") (footprint "HackAmp-Footprints:Fuseholder_Littlefuse_NANO2-154")
-    )
-    (path "/00000000-0000-0000-0000-00005fa5bc7f/00000000-0000-0000-0000-00005faf272c"
-      (reference "J5") (unit 1) (value "Barrel_Jack_Switch") (footprint "Connector_BarrelJack:BarrelJack_Horizontal")
-    )
-    (path "/00000000-0000-0000-0000-00005fa5bc7f/00000000-0000-0000-0000-00005faf6d06"
-      (reference "L1") (unit 1) (value "1uH") (footprint "Inductor_SMD:L_Taiyo-Yuden_NR-60xx")
-    )
-    (path "/00000000-0000-0000-0000-00005fa5bc7f/00000000-0000-0000-0000-00005fb174e8"
-      (reference "L2") (unit 1) (value "10uH") (footprint "Inductor_SMD:L_Bourns-SRN8040_8x8.15mm")
-    )
-    (path "/00000000-0000-0000-0000-00005fa5bc7f/00000000-0000-0000-0000-00005fafd94b"
-      (reference "R11") (unit 1) (value "100k") (footprint "Resistor_SMD:R_0603_1608Metric")
-    )
-    (path "/00000000-0000-0000-0000-00005fa5bc7f/00000000-0000-0000-0000-00005fb2197b"
-      (reference "R12") (unit 1) (value "6.8k") (footprint "Resistor_SMD:R_0603_1608Metric")
-    )
-    (path "/00000000-0000-0000-0000-00005fa5bc7f/00000000-0000-0000-0000-00005fb29a06"
-      (reference "R13") (unit 1) (value "100k/1%") (footprint "Resistor_SMD:R_0603_1608Metric")
-    )
-    (path "/00000000-0000-0000-0000-00005fa5bc7f/00000000-0000-0000-0000-00005fb2726d"
-      (reference "R14") (unit 1) (value "10k/1%") (footprint "Resistor_SMD:R_0603_1608Metric")
-    )
-    (path "/00000000-0000-0000-0000-00005fa5bc7f/00000000-0000-0000-0000-00005fb2a9d8"
-      (reference "R15") (unit 1) (value "82k/1%") (footprint "Resistor_SMD:R_0603_1608Metric")
-    )
-    (path "/00000000-0000-0000-0000-00005fa5bc7f/00000000-0000-0000-0000-00005fb779be"
-      (reference "U1") (unit 1) (value "AP6503") (footprint "Package_SO:Diodes_SO-8EP")
-    )
-    (path "/00000000-0000-0000-0000-00005fa5bc7f/d8369868-af44-456b-b284-403c3da36bb2"
-      (reference "U6") (unit 1) (value "AP2114H-3.3") (footprint "Package_TO_SOT_SMD:SOT-223-3_TabPin2")
-    )
-    (path "/00000000-0000-0000-0000-00005fa5bc7f/28a586e1-7887-493a-8a66-8044878b2829"
-      (reference "U7") (unit 1) (value "AP2114H-3.3") (footprint "Package_TO_SOT_SMD:SOT-223-3_TabPin2")
-    )
     (path "/00000000-0000-0000-0000-00005fa5bced/f0c4059e-a6f3-468d-80d5-e85b70d24669"
       (reference "#PWR0128") (unit 1) (value "GND") (footprint "")
     )
     (path "/00000000-0000-0000-0000-00005fa5bd36/00000000-0000-0000-0000-00005fb75d7e"
       (reference "U2") (unit 1) (value "WM8731SEDS") (footprint "Package_SO:SSOP-28_5.3x10.2mm_P0.65mm")
     )
+    (path "/00000000-0000-0000-0000-00005fa5bc7f/00000000-0000-0000-0000-00005fafa512"
+      (reference "#PWR0108") (unit 1) (value "GND") (footprint "")
+    )
+    (path "/00000000-0000-0000-0000-00005fa5bc7f/00000000-0000-0000-0000-00005fafa758"
+      (reference "#PWR0109") (unit 1) (value "GND") (footprint "")
+    )
+    (path "/00000000-0000-0000-0000-00005fa5bc7f/00000000-0000-0000-0000-00005fafa9dd"
+      (reference "#PWR0110") (unit 1) (value "GND") (footprint "")
+    )
+    (path "/00000000-0000-0000-0000-00005fa5bc7f/00000000-0000-0000-0000-00005faff7e8"
+      (reference "#PWR0111") (unit 1) (value "GND") (footprint "")
+    )
+    (path "/00000000-0000-0000-0000-00005fa5bc7f/00000000-0000-0000-0000-00005faffabc"
+      (reference "#PWR0112") (unit 1) (value "GND") (footprint "")
+    )
+    (path "/00000000-0000-0000-0000-00005fa5bc7f/00000000-0000-0000-0000-00005fb13ff7"
+      (reference "#PWR0113") (unit 1) (value "GND") (footprint "")
+    )
+    (path "/00000000-0000-0000-0000-00005fa5bc7f/00000000-0000-0000-0000-00005fb1430d"
+      (reference "#PWR0114") (unit 1) (value "GND") (footprint "")
+    )
+    (path "/00000000-0000-0000-0000-00005fa5bc7f/00000000-0000-0000-0000-00005fb21ff7"
+      (reference "#PWR0115") (unit 1) (value "GND") (footprint "")
+    )
+    (path "/00000000-0000-0000-0000-00005fa5bc7f/00000000-0000-0000-0000-00005fb223ee"
+      (reference "#PWR0116") (unit 1) (value "GND") (footprint "")
+    )
+    (path "/00000000-0000-0000-0000-00005fa5bc7f/00000000-0000-0000-0000-00005fb3aa5f"
+      (reference "#PWR0117") (unit 1) (value "GND") (footprint "")
+    )
+    (path "/00000000-0000-0000-0000-00005fa5bc7f/00000000-0000-0000-0000-00005fb45156"
+      (reference "#PWR0118") (unit 1) (value "GND") (footprint "")
+    )
+    (path "/00000000-0000-0000-0000-00005fa5bc7f/001449f5-956d-4c9b-8dcf-31df2fed335b"
+      (reference "#PWR0140") (unit 1) (value "+5V") (footprint "")
+    )
+    (path "/00000000-0000-0000-0000-00005fa5bc7f/4254a0f0-8fce-48d1-b6b3-8a4f47c6ca1b"
+      (reference "#PWR0141") (unit 1) (value "GND") (footprint "")
+    )
+    (path "/00000000-0000-0000-0000-00005fa5bc7f/463b47a1-8e70-454b-8115-0a842bdb19ec"
+      (reference "#PWR0142") (unit 1) (value "+5V") (footprint "")
+    )
+    (path "/00000000-0000-0000-0000-00005fa5bc7f/3f2eebc0-a9ff-4d02-9446-42b2d9f98f35"
+      (reference "#PWR0143") (unit 1) (value "GND") (footprint "")
+    )
+    (path "/00000000-0000-0000-0000-00005fa5bc7f/5a1ee32f-8919-450b-8777-85c2eb3e9af3"
+      (reference "#PWR0144") (unit 1) (value "GND") (footprint "")
+    )
+    (path "/00000000-0000-0000-0000-00005fa5bc7f/ca8029fd-b8b1-4f6f-b39d-5228ab3182ba"
+      (reference "#PWR0145") (unit 1) (value "GND") (footprint "")
+    )
+    (path "/00000000-0000-0000-0000-00005fa5bc7f/f42e8e2b-7a0f-499e-b5f5-28f862f2748e"
+      (reference "#PWR0146") (unit 1) (value "GND") (footprint "")
+    )
+    (path "/00000000-0000-0000-0000-00005fa5bc7f/685286b0-1260-4358-a241-2922e3efe997"
+      (reference "#PWR0147") (unit 1) (value "+3V3") (footprint "")
+    )
+    (path "/00000000-0000-0000-0000-00005fa5bc7f/6c0cbbec-be76-48e2-b74e-a1ab926441b2"
+      (reference "#PWR0148") (unit 1) (value "GND") (footprint "")
+    )
+    (path "/00000000-0000-0000-0000-00005fa5bc7f/0dbbcd79-ceca-4745-868f-29431fdb62c3"
+      (reference "#PWR0149") (unit 1) (value "+5V") (footprint "")
+    )
+    (path "/00000000-0000-0000-0000-00005fa5bc7f/6e6bdd30-d71c-4933-8cce-58701df0c557"
+      (reference "#PWR0150") (unit 1) (value "+3.3VA") (footprint "")
+    )
+    (path "/00000000-0000-0000-0000-00005fa5bc7f/00000000-0000-0000-0000-00005faf6729"
+      (reference "C1") (unit 1) (value "100uF/35V") (footprint "Capacitor_SMD:CP_Elec_8x10")
+    )
+    (path "/00000000-0000-0000-0000-00005fa5bc7f/00000000-0000-0000-0000-00005fafbd06"
+      (reference "C2") (unit 1) (value "10uF/50V") (footprint "Capacitor_SMD:C_1206_3216Metric")
+    )
+    (path "/00000000-0000-0000-0000-00005fa5bc7f/00000000-0000-0000-0000-00005faf80b5"
+      (reference "C3") (unit 1) (value "100uF/35V") (footprint "Capacitor_SMD:CP_Elec_8x10")
+    )
+    (path "/00000000-0000-0000-0000-00005fa5bc7f/00000000-0000-0000-0000-00005fafc192"
+      (reference "C4") (unit 1) (value "10uF/50V") (footprint "Capacitor_SMD:C_1206_3216Metric")
+    )
+    (path "/00000000-0000-0000-0000-00005fa5bc7f/00000000-0000-0000-0000-00005fafe05e"
+      (reference "C5") (unit 1) (value "0.1uF") (footprint "Capacitor_SMD:C_0603_1608Metric")
+    )
+    (path "/00000000-0000-0000-0000-00005fa5bc7f/00000000-0000-0000-0000-00005fb19cb1"
+      (reference "C6") (unit 1) (value "DNP") (footprint "Capacitor_SMD:C_0603_1608Metric")
+    )
+    (path "/00000000-0000-0000-0000-00005fa5bc7f/00000000-0000-0000-0000-00005fb15b6a"
+      (reference "C7") (unit 1) (value "0.1uF") (footprint "Capacitor_SMD:C_0603_1608Metric")
+    )
+    (path "/00000000-0000-0000-0000-00005fa5bc7f/00000000-0000-0000-0000-00005fb1a7e8"
+      (reference "C8") (unit 1) (value "6.8nF") (footprint "Capacitor_SMD:C_0603_1608Metric")
+    )
+    (path "/00000000-0000-0000-0000-00005fa5bc7f/00000000-0000-0000-0000-00005fb17e7a"
+      (reference "C9") (unit 1) (value "22uF") (footprint "Capacitor_SMD:C_1206_3216Metric")
+    )
+    (path "/00000000-0000-0000-0000-00005fa5bc7f/00000000-0000-0000-0000-00005fb185a0"
+      (reference "C10") (unit 1) (value "22uF") (footprint "Capacitor_SMD:C_1206_3216Metric")
+    )
+    (path "/00000000-0000-0000-0000-00005fa5bc7f/91028526-cd0e-466c-b5de-46182c2a3ef9"
+      (reference "C39") (unit 1) (value "10uF/6.3V") (footprint "Capacitor_SMD:C_0805_2012Metric")
+    )
+    (path "/00000000-0000-0000-0000-00005fa5bc7f/ef160b74-c555-4860-9dcb-3a3770813200"
+      (reference "C40") (unit 1) (value "10uF/6.3V") (footprint "Capacitor_SMD:C_0805_2012Metric")
+    )
+    (path "/00000000-0000-0000-0000-00005fa5bc7f/4ea1f202-2adf-4eff-a410-b25f44832b1b"
+      (reference "C41") (unit 1) (value "10uF/6.3V") (footprint "Capacitor_SMD:C_0805_2012Metric")
+    )
+    (path "/00000000-0000-0000-0000-00005fa5bc7f/4211cf88-cbef-45f8-83bc-f743ce8b06cd"
+      (reference "C42") (unit 1) (value "10uF/6.3V") (footprint "Capacitor_SMD:C_0805_2012Metric")
+    )
+    (path "/00000000-0000-0000-0000-00005fa5bc7f/00000000-0000-0000-0000-00005faf53da"
+      (reference "F1") (unit 1) (value "4A") (footprint "HackAmp-Footprints:Fuseholder_Littlefuse_NANO2-154")
+    )
+    (path "/00000000-0000-0000-0000-00005fa5bc7f/00000000-0000-0000-0000-00005faf272c"
+      (reference "J5") (unit 1) (value "Barrel_Jack_Switch") (footprint "Connector_BarrelJack:BarrelJack_Horizontal")
+    )
+    (path "/00000000-0000-0000-0000-00005fa5bc7f/00000000-0000-0000-0000-00005faf6d06"
+      (reference "L1") (unit 1) (value "1uH") (footprint "Inductor_SMD:L_Taiyo-Yuden_NR-60xx")
+    )
+    (path "/00000000-0000-0000-0000-00005fa5bc7f/00000000-0000-0000-0000-00005fb174e8"
+      (reference "L2") (unit 1) (value "10uH") (footprint "Inductor_SMD:L_Bourns-SRN8040_8x8.15mm")
+    )
+    (path "/00000000-0000-0000-0000-00005fa5bc7f/00000000-0000-0000-0000-00005fafd94b"
+      (reference "R11") (unit 1) (value "100k") (footprint "Resistor_SMD:R_0603_1608Metric")
+    )
+    (path "/00000000-0000-0000-0000-00005fa5bc7f/00000000-0000-0000-0000-00005fb2197b"
+      (reference "R12") (unit 1) (value "6.8k") (footprint "Resistor_SMD:R_0603_1608Metric")
+    )
+    (path "/00000000-0000-0000-0000-00005fa5bc7f/00000000-0000-0000-0000-00005fb29a06"
+      (reference "R13") (unit 1) (value "100k/1%") (footprint "Resistor_SMD:R_0603_1608Metric")
+    )
+    (path "/00000000-0000-0000-0000-00005fa5bc7f/00000000-0000-0000-0000-00005fb2726d"
+      (reference "R14") (unit 1) (value "10k/1%") (footprint "Resistor_SMD:R_0603_1608Metric")
+    )
+    (path "/00000000-0000-0000-0000-00005fa5bc7f/00000000-0000-0000-0000-00005fb2a9d8"
+      (reference "R15") (unit 1) (value "82k/1%") (footprint "Resistor_SMD:R_0603_1608Metric")
+    )
+    (path "/00000000-0000-0000-0000-00005fa5bc7f/00000000-0000-0000-0000-00005fb779be"
+      (reference "U1") (unit 1) (value "AP6503") (footprint "Package_SO:Diodes_SO-8EP")
+    )
+    (path "/00000000-0000-0000-0000-00005fa5bc7f/d8369868-af44-456b-b284-403c3da36bb2"
+      (reference "U6") (unit 1) (value "AP2114H-3.3") (footprint "Package_TO_SOT_SMD:SOT-223-3_TabPin2")
+    )
+    (path "/00000000-0000-0000-0000-00005fa5bc7f/28a586e1-7887-493a-8a66-8044878b2829"
+      (reference "U7") (unit 1) (value "AP2114H-3.3") (footprint "Package_TO_SOT_SMD:SOT-223-3_TabPin2")
+    )
     (path "/00000000-0000-0000-0000-00005fa5bd7a/00000000-0000-0000-0000-00005fa67121"
       (reference "#PWR0101") (unit 1) (value "GND") (footprint "")
     )

hackamp/hardware/headphone-amp.kicad_sch

 (kicad_sch (version 20201015) (generator eeschema)
 
-  (page 1 7)
-
   (paper "A4")
 
   (lib_symbols
   (junction (at 191.77 36.83) (diameter 0.9144) (color 0 0 0 0))
   (junction (at 201.93 111.76) (diameter 0.9144) (color 0 0 0 0))
 
-  (no_connect (at 217.17 116.84))
-  (no_connect (at 201.93 73.66))
   (no_connect (at 162.56 93.98))
-  (no_connect (at 217.17 114.3))
+  (no_connect (at 201.93 73.66))
   (no_connect (at 127 109.22))
   (no_connect (at 127 104.14))
+  (no_connect (at 162.56 96.52))
+  (no_connect (at 217.17 116.84))
   (no_connect (at 162.56 88.9))
+  (no_connect (at 217.17 114.3))
   (no_connect (at 162.56 86.36))
-  (no_connect (at 162.56 96.52))
 
   (wire (pts (xy 99.06 76.2) (xy 127 76.2))
     (stroke (width 0) (type solid) (color 0 0 0 0))

hackamp/hardware/power-supply.kicad_sch

 (kicad_sch (version 20201015) (generator eeschema)
 
-  (page 1 7)
-
   (paper "A4")
 
   (lib_symbols

hackamp/hardware/processor.kicad_sch

 (kicad_sch (version 20201015) (generator eeschema)
 
-  (page 1 7)
-
   (paper "A4" portrait)
 
   (lib_symbols
   (junction (at 179.07 30.48) (diameter 0.9144) (color 0 0 0 0))
   (junction (at 189.23 30.48) (diameter 0.9144) (color 0 0 0 0))
 
+  (no_connect (at 44.45 184.15))
   (no_connect (at 30.48 228.6))
   (no_connect (at 30.48 265.43))
+  (no_connect (at 44.45 181.61))
   (no_connect (at 31.75 184.15))
-  (no_connect (at 31.75 176.53))
   (no_connect (at 31.75 179.07))
+  (no_connect (at 31.75 176.53))
   (no_connect (at 31.75 181.61))
-  (no_connect (at 44.45 184.15))
-  (no_connect (at 44.45 181.61))
 
   (wire (pts (xy 20.32 233.68) (xy 20.32 236.22))
     (stroke (width 0) (type solid) (color 0 0 0 0))
   (wire (pts (xy 82.55 88.9) (xy 102.87 88.9))
     (stroke (width 0) (type solid) (color 0 0 0 0))
   )
-  (wire (pts (xy 85.09 170.18) (xy 92.71 170.18))
-    (stroke (width 0) (type solid) (color 0 0 0 0))
-  )
-  (wire (pts (xy 85.09 172.72) (xy 87.63 172.72))
-    (stroke (width 0) (type solid) (color 0 0 0 0))
-  )
-  (wire (pts (xy 85.09 175.26) (xy 102.87 175.26))
-    (stroke (width 0) (type solid) (color 0 0 0 0))
-  )
   (wire (pts (xy 87.63 20.32) (xy 87.63 22.86))
     (stroke (width 0) (type solid) (color 0 0 0 0))
   )
   (wire (pts (xy 92.71 86.36) (xy 92.71 78.74))
     (stroke (width 0) (type solid) (color 0 0 0 0))
   )
-  (wire (pts (xy 95.25 172.72) (xy 102.87 172.72))
-    (stroke (width 0) (type solid) (color 0 0 0 0))
-  )
   (wire (pts (xy 97.79 20.32) (xy 97.79 22.86))
     (stroke (width 0) (type solid) (color 0 0 0 0))
   )
   (wire (pts (xy 100.33 152.4) (xy 102.87 152.4))
     (stroke (width 0) (type solid) (color 0 0 0 0))
   )
-  (wire (pts (xy 100.33 154.94) (xy 102.87 154.94))
-    (stroke (width 0) (type solid) (color 0 0 0 0))
-  )
-  (wire (pts (xy 100.33 157.48) (xy 102.87 157.48))
+  (wire (pts (xy 100.33 162.56) (xy 102.87 162.56))
     (stroke (width 0) (type solid) (color 0 0 0 0))
   )
-  (wire (pts (xy 100.33 160.02) (xy 102.87 160.02))
+  (wire (pts (xy 102.87 58.42) (xy 97.79 58.42))
     (stroke (width 0) (type solid) (color 0 0 0 0))
   )
-  (wire (pts (xy 100.33 170.18) (xy 102.87 170.18))
+  (wire (pts (xy 102.87 63.5) (xy 87.63 63.5))
     (stroke (width 0) (type solid) (color 0 0 0 0))
   )
-  (wire (pts (xy 100.33 185.42) (xy 102.87 185.42))
+  (wire (pts (xy 102.87 66.04) (xy 97.79 66.04))
     (stroke (width 0) (type solid) (color 0 0 0 0))
   )
-  (wire (pts (xy 100.33 187.96) (xy 102.87 187.96))
+  (wire (pts (xy 102.87 86.36) (xy 92.71 86.36))
     (stroke (width 0) (type solid) (color 0 0 0 0))
   )
-  (wire (pts (xy 100.33 190.5) (xy 102.87 190.5))
+  (wire (pts (xy 102.87 137.16) (xy 100.33 137.16))
     (stroke (width 0) (type solid) (color 0 0 0 0))
   )
-  (wire (pts (xy 100.33 193.04) (xy 102.87 193.04))
+  (wire (pts (xy 102.87 154.94) (xy 100.33 154.94))
     (stroke (width 0) (type solid) (color 0 0 0 0))
   )
-  (wire (pts (xy 100.33 195.58) (xy 102.87 195.58))
+  (wire (pts (xy 102.87 157.48) (xy 100.33 157.48))
     (stroke (width 0) (type solid) (color 0 0 0 0))
   )
-  (wire (pts (xy 102.87 58.42) (xy 97.79 58.42))
+  (wire (pts (xy 102.87 160.02) (xy 100.33 160.02))
     (stroke (width 0) (type solid) (color 0 0 0 0))
   )
-  (wire (pts (xy 102.87 63.5) (xy 87.63 63.5))
+  (wire (pts (xy 102.87 187.96) (xy 100.33 187.96))
     (stroke (width 0) (type solid) (color 0 0 0 0))
   )
-  (wire (pts (xy 102.87 66.04) (xy 97.79 66.04))
+  (wire (pts (xy 102.87 190.5) (xy 100.33 190.5))
     (stroke (width 0) (type solid) (color 0 0 0 0))
   )
-  (wire (pts (xy 102.87 86.36) (xy 92.71 86.36))
+  (wire (pts (xy 102.87 193.04) (xy 100.33 193.04))
     (stroke (width 0) (type solid) (color 0 0 0 0))
   )
-  (wire (pts (xy 102.87 137.16) (xy 100.33 137.16))
+  (wire (pts (xy 102.87 195.58) (xy 100.33 195.58))
     (stroke (width 0) (type solid) (color 0 0 0 0))
   )
   (wire (pts (xy 107.95 20.32) (xy 107.95 22.86))
   (wire (pts (xy 158.75 30.48) (xy 148.59 30.48))
     (stroke (width 0) (type solid) (color 0 0 0 0))
   )
-  (wire (pts (xy 163.83 50.8) (xy 166.37 50.8))
-    (stroke (width 0) (type solid) (color 0 0 0 0))
-  )
-  (wire (pts (xy 163.83 53.34) (xy 166.37 53.34))
-    (stroke (width 0) (type solid) (color 0 0 0 0))
-  )
-  (wire (pts (xy 163.83 55.88) (xy 166.37 55.88))
-    (stroke (width 0) (type solid) (color 0 0 0 0))
-  )
-  (wire (pts (xy 163.83 58.42) (xy 166.37 58.42))
-    (stroke (width 0) (type solid) (color 0 0 0 0))
-  )
-  (wire (pts (xy 163.83 60.96) (xy 166.37 60.96))
-    (stroke (width 0) (type solid) (color 0 0 0 0))
-  )
   (wire (pts (xy 163.83 63.5) (xy 166.37 63.5))
     (stroke (width 0) (type solid) (color 0 0 0 0))
   )
   (wire (pts (xy 163.83 144.78) (xy 166.37 144.78))
     (stroke (width 0) (type solid) (color 0 0 0 0))
   )
-  (wire (pts (xy 163.83 170.18) (xy 166.37 170.18))
-    (stroke (width 0) (type solid) (color 0 0 0 0))
-  )
-  (wire (pts (xy 163.83 172.72) (xy 166.37 172.72))
-    (stroke (width 0) (type solid) (color 0 0 0 0))
-  )
   (wire (pts (xy 163.83 175.26) (xy 166.37 175.26))
     (stroke (width 0) (type solid) (color 0 0 0 0))
   )
   (wire (pts (xy 163.83 218.44) (xy 166.37 218.44))
     (stroke (width 0) (type solid) (color 0 0 0 0))
   )
+  (wire (pts (xy 166.37 50.8) (xy 163.83 50.8))
+    (stroke (width 0) (type solid) (color 0 0 0 0))
+  )
+  (wire (pts (xy 166.37 53.34) (xy 163.83 53.34))
+    (stroke (width 0) (type solid) (color 0 0 0 0))
+  )
+  (wire (pts (xy 166.37 55.88) (xy 163.83 55.88))
+    (stroke (width 0) (type solid) (color 0 0 0 0))
+  )
+  (wire (pts (xy 166.37 58.42) (xy 163.83 58.42))
+    (stroke (width 0) (type solid) (color 0 0 0 0))
+  )
+  (wire (pts (xy 166.37 60.96) (xy 163.83 60.96))
+    (stroke (width 0) (type solid) (color 0 0 0 0))
+  )
   (wire (pts (xy 166.37 88.9) (xy 163.83 88.9))
     (stroke (width 0) (type solid) (color 0 0 0 0))
   )
   (wire (pts (xy 166.37 116.84) (xy 163.83 116.84))
     (stroke (width 0) (type solid) (color 0 0 0 0))
   )
+  (wire (pts (xy 166.37 137.16) (xy 163.83 137.16))
+    (stroke (width 0) (type solid) (color 0 0 0 0))
+  )
+  (wire (pts (xy 166.37 139.7) (xy 163.83 139.7))
+    (stroke (width 0) (type solid) (color 0 0 0 0))
+  )
   (wire (pts (xy 166.37 142.24) (xy 163.83 142.24))
     (stroke (width 0) (type solid) (color 0 0 0 0))
   )
   (wire (pts (xy 166.37 152.4) (xy 163.83 152.4))
     (stroke (width 0) (type solid) (color 0 0 0 0))
   )
+  (wire (pts (xy 166.37 198.12) (xy 163.83 198.12))
+    (stroke (width 0) (type solid) (color 0 0 0 0))
+  )
   (wire (pts (xy 168.91 20.32) (xy 168.91 22.86))
     (stroke (width 0) (type solid) (color 0 0 0 0))
   )
   (wire (pts (xy 168.91 30.48) (xy 158.75 30.48))
     (stroke (width 0) (type solid) (color 0 0 0 0))
   )
+  (wire (pts (xy 171.45 180.34) (xy 163.83 180.34))
+    (stroke (width 0) (type solid) (color 0 0 0 0))
+  )
   (wire (pts (xy 177.8 76.2) (xy 163.83 76.2))
     (stroke (width 0) (type solid) (color 0 0 0 0))
   )
   (wire (pts (xy 179.07 30.48) (xy 168.91 30.48))
     (stroke (width 0) (type solid) (color 0 0 0 0))
   )
+  (wire (pts (xy 181.61 180.34) (xy 179.07 180.34))
+    (stroke (width 0) (type solid) (color 0 0 0 0))
+  )
+  (wire (pts (xy 181.61 182.88) (xy 163.83 182.88))
+    (stroke (width 0) (type solid) (color 0 0 0 0))
+  )
+  (wire (pts (xy 181.61 198.12) (xy 173.99 198.12))
+    (stroke (width 0) (type solid) (color 0 0 0 0))
+  )
   (wire (pts (xy 189.23 20.32) (xy 189.23 22.86))
     (stroke (width 0) (type solid) (color 0 0 0 0))
   )
     (effects (font (size 1.27 1.27)) (justify right bottom))
   )
 
-  (hierarchical_label "HP_DETECT" (shape input) (at 85.09 170.18 180)
-    (effects (font (size 1.27 1.27)) (justify right))
-  )
-  (hierarchical_label "~SPK_FAULT" (shape input) (at 85.09 172.72 180)
-    (effects (font (size 1.27 1.27)) (justify right))
-  )
-  (hierarchical_label "~SPK_SD" (shape output) (at 85.09 175.26 180)
-    (effects (font (size 1.27 1.27)) (justify right))
-  )
   (hierarchical_label "BT_MFB" (shape output) (at 100.33 99.06 180)
     (effects (font (size 1.27 1.27)) (justify right))
   )
   (hierarchical_label "BT_I2C_SCL" (shape input) (at 100.33 139.7 180)
     (effects (font (size 1.27 1.27)) (justify right))
   )
-  (hierarchical_label "VOL8" (shape output) (at 100.33 142.24 180)
+  (hierarchical_label "VOL0" (shape output) (at 100.33 142.24 180)
     (effects (font (size 1.27 1.27)) (justify right))
   )
-  (hierarchical_label "VOL9" (shape output) (at 100.33 144.78 180)
+  (hierarchical_label "VOL1" (shape output) (at 100.33 144.78 180)
     (effects (font (size 1.27 1.27)) (justify right))
   )
-  (hierarchical_label "VOL10" (shape output) (at 100.33 147.32 180)
+  (hierarchical_label "VOL2" (shape output) (at 100.33 147.32 180)
     (effects (font (size 1.27 1.27)) (justify right))
   )
-  (hierarchical_label "VOL11" (shape output) (at 100.33 149.86 180)
+  (hierarchical_label "VOL3" (shape output) (at 100.33 149.86 180)
     (effects (font (size 1.27 1.27)) (justify right))
   )
-  (hierarchical_label "VOL12" (shape output) (at 100.33 152.4 180)
+  (hierarchical_label "VOL4" (shape output) (at 100.33 152.4 180)
     (effects (font (size 1.27 1.27)) (justify right))
   )
-  (hierarchical_label "VOL13" (shape output) (at 100.33 154.94 180)
+  (hierarchical_label "VOL5" (shape output) (at 100.33 154.94 180)
     (effects (font (size 1.27 1.27)) (justify right))
   )
-  (hierarchical_label "VOL14" (shape output) (at 100.33 157.48 180)
+  (hierarchical_label "VOL6" (shape output) (at 100.33 157.48 180)
     (effects (font (size 1.27 1.27)) (justify right))
   )
-  (hierarchical_label "VOL15" (shape output) (at 100.33 160.02 180)
+  (hierarchical_label "VOL7" (shape output) (at 100.33 160.02 180)
     (effects (font (size 1.27 1.27)) (justify right))
   )
-  (hierarchical_label "VOL0" (shape output) (at 100.33 185.42 180)
+  (hierarchical_label "VOL8" (shape output) (at 100.33 162.56 180)
     (effects (font (size 1.27 1.27)) (justify right))
   )
-  (hierarchical_label "VOL1" (shape output) (at 100.33 187.96 180)
+  (hierarchical_label "PWR" (shape input) (at 100.33 187.96 180)
     (effects (font (size 1.27 1.27)) (justify right))
   )
-  (hierarchical_label "VOL2" (shape output) (at 100.33 190.5 180)
+  (hierarchical_label "MIC1" (shape input) (at 100.33 190.5 180)
     (effects (font (size 1.27 1.27)) (justify right))
   )
-  (hierarchical_label "VOL3" (shape output) (at 100.33 193.04 180)
+  (hierarchical_label "MIC2" (shape input) (at 100.33 193.04 180)
     (effects (font (size 1.27 1.27)) (justify right))
   )
-  (hierarchical_label "VOL4" (shape output) (at 100.33 195.58 180)
+  (hierarchical_label "BT1" (shape input) (at 100.33 195.58 180)
     (effects (font (size 1.27 1.27)) (justify right))
   )
-  (hierarchical_label "PWR" (shape input) (at 166.37 50.8 0)
+  (hierarchical_label "VOL11" (shape output) (at 166.37 50.8 0)
     (effects (font (size 1.27 1.27)) (justify left))
   )
-  (hierarchical_label "MIC1" (shape input) (at 166.37 53.34 0)
+  (hierarchical_label "VOL12" (shape output) (at 166.37 53.34 0)
     (effects (font (size 1.27 1.27)) (justify left))
   )
-  (hierarchical_label "MIC2" (shape input) (at 166.37 55.88 0)
+  (hierarchical_label "VOL13" (shape output) (at 166.37 55.88 0)
     (effects (font (size 1.27 1.27)) (justify left))
   )
-  (hierarchical_label "BT1" (shape input) (at 166.37 58.42 0)
+  (hierarchical_label "VOL14" (shape output) (at 166.37 58.42 0)
     (effects (font (size 1.27 1.27)) (justify left))
   )
-  (hierarchical_label "BT2" (shape input) (at 166.37 60.96 0)
+  (hierarchical_label "VOL15" (shape output) (at 166.37 60.96 0)
     (effects (font (size 1.27 1.27)) (justify left))
   )
   (hierarchical_label "ENC_A" (shape input) (at 166.37 63.5 0)
   (hierarchical_label "AMP_I2S_CK" (shape input) (at 166.37 119.38 0)
     (effects (font (size 1.27 1.27)) (justify left))
   )
-  (hierarchical_label "AMP_I2S_SDI" (shape input) (at 166.37 142.24 0)
+  (hierarchical_label "VOL9" (shape output) (at 166.37 137.16 0)
     (effects (font (size 1.27 1.27)) (justify left))
   )
-  (hierarchical_label "AMP_I2S_SDO" (shape input) (at 166.37 144.78 0)
+  (hierarchical_label "VOL10" (shape output) (at 166.37 139.7 0)
     (effects (font (size 1.27 1.27)) (justify left))
   )
-  (hierarchical_label "AMP_I2S_MCK" (shape input) (at 166.37 152.4 0)
+  (hierarchical_label "AMP_I2S_SDI" (shape input) (at 166.37 142.24 0)
     (effects (font (size 1.27 1.27)) (justify left))
   )
-  (hierarchical_label "VOL5" (shape output) (at 166.37 170.18 0)
+  (hierarchical_label "AMP_I2S_SDO" (shape input) (at 166.37 144.78 0)
     (effects (font (size 1.27 1.27)) (justify left))
   )
-  (hierarchical_label "VOL6" (shape output) (at 166.37 172.72 0)
+  (hierarchical_label "AMP_I2S_MCK" (shape input) (at 166.37 152.4 0)
     (effects (font (size 1.27 1.27)) (justify left))
   )
-  (hierarchical_label "VOL7" (shape output) (at 166.37 175.26 0)
+  (hierarchical_label "BT2" (shape input) (at 166.37 175.26 0)
     (effects (font (size 1.27 1.27)) (justify left))
   )
   (hierarchical_label "BT_P31" (shape input) (at 166.37 200.66 0)
   (hierarchical_label "BT_P9" (shape input) (at 166.37 218.44 0)
     (effects (font (size 1.27 1.27)) (justify left))
   )
+  (hierarchical_label "~SPK_FAULT" (shape input) (at 181.61 180.34 0)
+    (effects (font (size 1.27 1.27)) (justify left))
+  )
+  (hierarchical_label "~SPK_SD" (shape output) (at 181.61 182.88 0)
+    (effects (font (size 1.27 1.27)) (justify left))
+  )
+  (hierarchical_label "HP_DETECT" (shape input) (at 181.61 198.12 0)
+    (effects (font (size 1.27 1.27)) (justify left))
+  )
 
   (symbol (lib_id "power:+3.3V") (at 31.75 38.1 0) (unit 1)
     (in_bom yes) (on_board yes)
     )
   )
 
-  (symbol (lib_id "Device:R") (at 91.44 172.72 90) (unit 1)
+  (symbol (lib_id "Device:R") (at 170.18 198.12 270) (mirror x) (unit 1)
     (in_bom yes) (on_board yes)
-    (uuid "2b0e7168-0617-46fc-b9a2-38d991a2a670")
-    (property "Reference" "R29" (id 0) (at 91.44 166.37 90))
-    (property "Value" "1k" (id 1) (at 91.44 168.91 90))
-    (property "Footprint" "Resistor_SMD:R_0603_1608Metric" (id 2) (at 91.44 174.498 90)
+    (uuid "d5120ade-91c3-429d-8380-5b588307ce45")
+    (property "Reference" "R30" (id 0) (at 170.18 191.77 90))
+    (property "Value" "1k" (id 1) (at 170.18 194.31 90))
+    (property "Footprint" "Resistor_SMD:R_0603_1608Metric" (id 2) (at 170.18 199.898 90)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "Datasheet" "~" (id 3) (at 91.44 172.72 0)
+    (property "Datasheet" "~" (id 3) (at 170.18 198.12 0)
       (effects (font (size 1.27 1.27)) hide)
     )
   )
 
-  (symbol (lib_id "Device:R") (at 96.52 170.18 90) (unit 1)
+  (symbol (lib_id "Device:R") (at 175.26 180.34 270) (mirror x) (unit 1)
     (in_bom yes) (on_board yes)
-    (uuid "d5120ade-91c3-429d-8380-5b588307ce45")
-    (property "Reference" "R30" (id 0) (at 96.52 163.83 90))
-    (property "Value" "1k" (id 1) (at 96.52 166.37 90))
-    (property "Footprint" "Resistor_SMD:R_0603_1608Metric" (id 2) (at 96.52 171.958 90)
+    (uuid "2b0e7168-0617-46fc-b9a2-38d991a2a670")
+    (property "Reference" "R29" (id 0) (at 175.26 173.99 90))
+    (property "Value" "1k" (id 1) (at 175.26 176.53 90))
+    (property "Footprint" "Resistor_SMD:R_0603_1608Metric" (id 2) (at 175.26 182.118 90)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "Datasheet" "~" (id 3) (at 96.52 170.18 0)
+    (property "Datasheet" "~" (id 3) (at 175.26 180.34 0)
       (effects (font (size 1.27 1.27)) hide)
     )
   )

hackamp/hardware/speaker-amp.kicad_sch

 (kicad_sch (version 20201015) (generator eeschema)
 
-  (page 1 7)
-
   (paper "A4")
 
   (lib_symbols