more hardware

amplifier circuit done

3 files changed, 152 insertions, 42 deletions

diff --git a/hardware/hardware.kicad_pcb b/hardware/hardware.kicad_pcb
index 5041f1f..11256af 100644
--- a/hardware/hardware.kicad_pcb
+++ b/hardware/hardware.kicad_pcb
@@ -174,6 +174,12 @@
   (net 97 "Net-(J1-Pad1)")
   (net 98 "unconnected-(J1-Pad2)")
   (net 99 "unconnected-(J1-Pad3)")
+  (net 100 "unconnected-(U2-Pad1)")
+  (net 101 "unconnected-(U2-Pad2)")
+  (net 102 "unconnected-(U2-Pad3)")
+  (net 103 "Net-(C5-Pad1)")
+  (net 104 "unconnected-(U2-Pad7)")
+  (net 105 "unconnected-(U2-Pad8)")
 
   (footprint "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" (layer "F.Cu")
     (tedit 5AE5139B) (tstamp 00b0e5b6-9f8d-48ab-8c17-97136b0827ed)
@@ -1175,6 +1181,65 @@
       (net 63 "unconnected-(RV5-Pad3)") (pinfunction "3") (pintype "passive") (tstamp 01ed7164-4c45-406c-9a80-2a17239050b8))
   )
 
+  (footprint "Package_DIP:DIP-8_W7.62mm" (layer "F.Cu")
+    (tedit 5A02E8C5) (tstamp 4832ec94-33d2-491a-987b-7def90eed38f)
+    (at 116.84 25.4)
+    (descr "8-lead though-hole mounted DIP package, row spacing 7.62 mm (300 mils)")
+    (tags "THT DIP DIL PDIP 2.54mm 7.62mm 300mil")
+    (property "Sheetfile" "hardware.kicad_sch")
+    (property "Sheetname" "")
+    (path "/8634edb8-50db-43d2-95bb-5918d2cd24cc")
+    (attr through_hole)
+    (fp_text reference "U2" (at 3.81 -2.33) (layer "F.SilkS")
+      (effects (font (size 1 1) (thickness 0.15)))
+      (tstamp 61446f17-835b-4791-9188-67c3e22457bd)
+    )
+    (fp_text value "LM386" (at 3.81 9.95) (layer "F.Fab")
+      (effects (font (size 1 1) (thickness 0.15)))
+      (tstamp a5559a91-1bf7-4f1d-a8fe-8184e76db515)
+    )
+    (fp_text user "${REFERENCE}" (at 3.81 3.81) (layer "F.Fab")
+      (effects (font (size 1 1) (thickness 0.15)))
+      (tstamp ec3e67b0-4243-4656-a7ba-dca7a98ee1e2)
+    )
+    (fp_line (start 6.46 -1.33) (end 4.81 -1.33) (layer "F.SilkS") (width 0.12) (tstamp 23b1c6b7-24b8-452a-afee-8dc8caa001c5))
+    (fp_line (start 6.46 8.95) (end 6.46 -1.33) (layer "F.SilkS") (width 0.12) (tstamp 330aa160-0dcf-4d86-b12c-6facdce00691))
+    (fp_line (start 1.16 -1.33) (end 1.16 8.95) (layer "F.SilkS") (width 0.12) (tstamp a067e2a9-2168-4a75-b1ae-07175f3097e7))
+    (fp_line (start 2.81 -1.33) (end 1.16 -1.33) (layer "F.SilkS") (width 0.12) (tstamp d00d473b-dbf2-4046-9ca4-13245b851c7d))
+    (fp_line (start 1.16 8.95) (end 6.46 8.95) (layer "F.SilkS") (width 0.12) (tstamp e35f74da-1ad9-4cb8-ac48-b4ba064240a7))
+    (fp_arc (start 4.81 -1.33) (mid 3.81 -0.33) (end 2.81 -1.33) (layer "F.SilkS") (width 0.12) (tstamp 232c2654-a24e-4679-a9c5-8a14111d3a59))
+    (fp_line (start 8.7 9.15) (end 8.7 -1.55) (layer "F.CrtYd") (width 0.05) (tstamp 0f015f70-b9be-4792-8502-9235baab7ad3))
+    (fp_line (start -1.1 -1.55) (end -1.1 9.15) (layer "F.CrtYd") (width 0.05) (tstamp 58bcb7be-d6fc-44fe-98cc-4ab651432282))
+    (fp_line (start -1.1 9.15) (end 8.7 9.15) (layer "F.CrtYd") (width 0.05) (tstamp 7ef98de2-0407-484c-b75f-d3f0938f17b0))
+    (fp_line (start 8.7 -1.55) (end -1.1 -1.55) (layer "F.CrtYd") (width 0.05) (tstamp cf9b593f-7152-4b36-a501-419aa3f30746))
+    (fp_line (start 1.635 -1.27) (end 6.985 -1.27) (layer "F.Fab") (width 0.1) (tstamp 0b8acda2-e6d4-4de7-b591-ea0c9b51fcec))
+    (fp_line (start 6.985 -1.27) (end 6.985 8.89) (layer "F.Fab") (width 0.1) (tstamp 7af2ff61-aa57-437e-b3e4-6de63a8458e0))
+    (fp_line (start 0.635 8.89) (end 0.635 -0.27) (layer "F.Fab") (width 0.1) (tstamp ba7195ae-a1f4-4965-82ea-89d705092be4))
+    (fp_line (start 0.635 -0.27) (end 1.635 -1.27) (layer "F.Fab") (width 0.1) (tstamp bd66e6de-b853-4de2-bf42-06831b49fe08))
+    (fp_line (start 6.985 8.89) (end 0.635 8.89) (layer "F.Fab") (width 0.1) (tstamp c3c02496-b038-43f1-99b8-409718a4222c))
+    (pad "1" thru_hole rect (at 0 0) (size 1.6 1.6) (drill 0.8) (layers *.Cu *.Mask)
+      (net 100 "unconnected-(U2-Pad1)") (pinfunction "GAIN") (pintype "input") (tstamp 26e7e72a-a079-4605-93e8-56ec5e0640a7))
+    (pad "2" thru_hole oval (at 0 2.54) (size 1.6 1.6) (drill 0.8) (layers *.Cu *.Mask)
+      (net 101 "unconnected-(U2-Pad2)") (pinfunction "-") (pintype "input") (tstamp 2f1ebd2b-d08b-4301-aae2-f6ef217f6430))
+    (pad "3" thru_hole oval (at 0 5.08) (size 1.6 1.6) (drill 0.8) (layers *.Cu *.Mask)
+      (net 102 "unconnected-(U2-Pad3)") (pinfunction "+") (pintype "input") (tstamp 1053723d-f511-40f1-ae40-bf7ef45b9a90))
+    (pad "4" thru_hole oval (at 0 7.62) (size 1.6 1.6) (drill 0.8) (layers *.Cu *.Mask)
+      (net 6 "GND") (pinfunction "GND") (pintype "power_in") (tstamp 7c999cd9-380c-4645-8e1d-cd50e73f1aac))
+    (pad "5" thru_hole oval (at 7.62 7.62) (size 1.6 1.6) (drill 0.8) (layers *.Cu *.Mask)
+      (net 103 "Net-(C5-Pad1)") (pintype "output") (tstamp e686dc0d-0ddd-4a59-bb4f-909d83897018))
+    (pad "6" thru_hole oval (at 7.62 5.08) (size 1.6 1.6) (drill 0.8) (layers *.Cu *.Mask)
+      (net 5 "VCC") (pinfunction "V+") (pintype "power_in") (tstamp 6689fa92-ef3a-482d-bd27-712e73df33e4))
+    (pad "7" thru_hole oval (at 7.62 2.54) (size 1.6 1.6) (drill 0.8) (layers *.Cu *.Mask)
+      (net 104 "unconnected-(U2-Pad7)") (pinfunction "BYPASS") (pintype "input") (tstamp 7425432c-ba59-49c5-9768-7ae007ff2f74))
+    (pad "8" thru_hole oval (at 7.62 0) (size 1.6 1.6) (drill 0.8) (layers *.Cu *.Mask)
+      (net 105 "unconnected-(U2-Pad8)") (pinfunction "GAIN") (pintype "input") (tstamp 96ea7aa6-700e-42b4-bef6-e684a17d5aa9))
+    (model "${KICAD6_3DMODEL_DIR}/Package_DIP.3dshapes/DIP-8_W7.62mm.wrl"
+      (offset (xyz 0 0 0))
+      (scale (xyz 1 1 1))
+      (rotate (xyz 0 0 0))
+    )
+  )
+
   (footprint "Connector_Audio:Jack_3.5mm_Ledino_KB3SPRS_Horizontal" (layer "F.Cu")
     (tedit 5BC12D58) (tstamp 4d7cede4-4c73-4866-92ca-bd178f63c45a)
     (at 152.8225 25.75 -90)
diff --git a/hardware/hardware.kicad_sch b/hardware/hardware.kicad_sch
index 83d1ae9..25f6889 100644
--- a/hardware/hardware.kicad_sch
+++ b/hardware/hardware.kicad_sch
@@ -1766,11 +1766,16 @@
   (junction (at 198.12 48.26) (diameter 0) (color 0 0 0 0)
     (uuid f88d76d5-0155-4ad5-89e0-172fdf33f515)
   )
+  (junction (at 146.05 84.455) (diameter 0) (color 0 0 0 0)
+    (uuid f9bf1da2-2389-4a89-a6c0-582e5adbfa70)
+  )
   (junction (at 179.07 48.26) (diameter 0) (color 0 0 0 0)
     (uuid fe8a1d43-d048-4589-85c8-8322c4a6eb5c)
   )
 
+  (no_connect (at 154.94 68.58) (uuid 0449cd95-baa9-406d-8524-5c52044d8776))
   (no_connect (at 204.47 74.93) (uuid 199cee84-1509-4cb7-b185-602ad8d0217b))
+  (no_connect (at 154.94 93.345) (uuid 250258aa-9f24-4a9b-a5df-5d956ff29be2))
   (no_connect (at 54.61 105.41) (uuid cc4f0b33-ccfd-419b-9659-a88488fda9d5))
   (no_connect (at 204.47 72.39) (uuid e1c712b3-f3c1-4ca3-88ac-354bf155bb8b))
   (no_connect (at 60.325 33.655) (uuid ecea9562-3834-4f9c-8b72-194e1119dc17))
@@ -1867,10 +1872,6 @@
     (stroke (width 0) (type default) (color 0 0 0 0))
     (uuid 0fdd96b8-32f8-4dbf-a929-61a2e9596eb8)
   )
-  (wire (pts (xy 151.765 53.975) (xy 157.48 53.975))
-    (stroke (width 0) (type default) (color 0 0 0 0))
-    (uuid 10e6c687-0a88-4748-9d53-62059cf0301e)
-  )
   (polyline (pts (xy 128.27 12.065) (xy 128.27 39.37))
     (stroke (width 0) (type default) (color 0 0 0 0))
     (uuid 12027d9c-0f1e-4c18-a1b8-f862f8c90f0f)
@@ -1905,7 +1906,7 @@
     (stroke (width 0) (type default) (color 0 0 0 0))
     (uuid 1822dadf-33d2-4ccf-9fc8-0ee8332d7a35)
   )
-  (polyline (pts (xy 137.16 92.075) (xy 189.865 92.075))
+  (polyline (pts (xy 136.525 96.52) (xy 189.865 96.52))
     (stroke (width 0) (type default) (color 0 0 0 0))
     (uuid 18797b9c-96fa-4204-a820-2aece2f385f2)
   )
@@ -1918,7 +1919,7 @@
     (stroke (width 0) (type default) (color 0 0 0 0))
     (uuid 1914eeee-5518-43fb-9c6e-476538364368)
   )
-  (polyline (pts (xy 189.865 92.075) (xy 189.865 57.785))
+  (polyline (pts (xy 189.865 96.52) (xy 189.865 57.785))
     (stroke (width 0) (type default) (color 0 0 0 0))
     (uuid 1963504b-29c4-4345-aff1-6459c61e2f64)
   )
@@ -2017,6 +2018,11 @@
     (stroke (width 0) (type default) (color 0 0 0 0))
     (uuid 2e0d7e6a-92fe-46f8-981b-6c45dc4dd5ae)
   )
+  (polyline (pts (xy 189.865 92.075) (xy 220.345 92.075))
+    (stroke (width 0) (type default) (color 0 0 0 0))
+    (uuid 2eee686a-5d61-4722-ad28-23084c425b4f)
+  )
+
   (wire (pts (xy 217.17 48.26) (xy 217.17 50.8))
     (stroke (width 0) (type default) (color 0 0 0 0))
     (uuid 2f32e61b-09e5-4ae9-8385-899c60066550)
@@ -2034,6 +2040,10 @@
     (stroke (width 0) (type default) (color 0 0 0 0))
     (uuid 328128c5-242b-4af1-a65c-2d865cf59cf4)
   )
+  (wire (pts (xy 147.32 78.74) (xy 146.05 78.74))
+    (stroke (width 0) (type default) (color 0 0 0 0))
+    (uuid 364272e6-9573-499c-a74d-d94c083dff91)
+  )
   (wire (pts (xy 133.35 83.185) (xy 132.08 83.185))
     (stroke (width 0) (type default) (color 0 0 0 0))
     (uuid 37b02165-294e-4543-ba6c-803d223bedb0)
@@ -2059,6 +2069,10 @@
     (stroke (width 0) (type default) (color 0 0 0 0))
     (uuid 3b3579fd-db9c-4181-9dd5-5621b53ad36e)
   )
+  (wire (pts (xy 146.05 78.74) (xy 146.05 84.455))
+    (stroke (width 0) (type default) (color 0 0 0 0))
+    (uuid 3b74d857-cced-40ff-87c3-10519fec99cc)
+  )
   (wire (pts (xy 121.92 100.965) (xy 119.38 100.965))
     (stroke (width 0) (type default) (color 0 0 0 0))
     (uuid 3b971ae3-6611-4c02-829f-0dc5598fca00)
@@ -2235,6 +2249,10 @@
     (stroke (width 0) (type default) (color 0 0 0 0))
     (uuid 64f14ff0-8cd2-4556-a47d-c058da38bc95)
   )
+  (wire (pts (xy 140.97 73.66) (xy 147.32 73.66))
+    (stroke (width 0) (type default) (color 0 0 0 0))
+    (uuid 6573692b-041c-465e-a555-e94f07bb7fb4)
+  )
   (wire (pts (xy 167.005 48.26) (xy 169.545 48.26))
     (stroke (width 0) (type default) (color 0 0 0 0))
     (uuid 65aa68d1-ca3a-4c88-aea7-c676964b8d17)
@@ -2447,6 +2465,14 @@
     (stroke (width 0) (type default) (color 0 0 0 0))
     (uuid 903327ba-8d74-4b98-a190-e9183a3157bb)
   )
+  (wire (pts (xy 158.75 89.535) (xy 158.75 85.09))
+    (stroke (width 0) (type default) (color 0 0 0 0))
+    (uuid 9121e6f3-9a70-42c6-92cf-bbeabb5c3a42)
+  )
+  (wire (pts (xy 154.94 85.725) (xy 154.94 83.82))
+    (stroke (width 0) (type default) (color 0 0 0 0))
+    (uuid 929fffde-96ef-46ef-8f5b-ffa2bde1662b)
+  )
   (polyline (pts (xy 82.55 67.31) (xy 128.27 67.31))
     (stroke (width 0) (type default) (color 0 0 0 0))
     (uuid 94a095b0-6f62-4e93-a799-588e263496bc)
@@ -2607,6 +2633,10 @@
     (stroke (width 0) (type default) (color 0 0 0 0))
     (uuid ae3a27cf-da63-458b-b615-ef55e99a0994)
   )
+  (wire (pts (xy 151.765 53.975) (xy 158.75 53.975))
+    (stroke (width 0) (type default) (color 0 0 0 0))
+    (uuid aeba7a8e-6eee-4b29-8a8b-efae0400568e)
+  )
   (wire (pts (xy 151.765 32.385) (xy 150.495 32.385))
     (stroke (width 0) (type default) (color 0 0 0 0))
     (uuid af8b018d-d92b-49d1-a073-b283f2a3b15a)
@@ -2773,6 +2803,14 @@
     (stroke (width 0) (type default) (color 0 0 0 0))
     (uuid cc84ab0a-e10a-483b-8df3-5d69e7775b87)
   )
+  (wire (pts (xy 146.05 84.455) (xy 152.4 84.455))
+    (stroke (width 0) (type default) (color 0 0 0 0))
+    (uuid cdcb1c1b-d985-4eee-ab60-3f789f8bfd58)
+  )
+  (wire (pts (xy 158.75 85.09) (xy 157.48 85.09))
+    (stroke (width 0) (type default) (color 0 0 0 0))
+    (uuid ce399f7b-eeae-4438-a75b-458f469fdac0)
+  )
   (wire (pts (xy 52.07 105.41) (xy 54.61 105.41))
     (stroke (width 0) (type default) (color 0 0 0 0))
     (uuid ce4ba6fd-3071-4764-967a-ee436749fde0)
@@ -2789,11 +2827,10 @@
     (stroke (width 0) (type default) (color 0 0 0 0))
     (uuid d180abf9-c632-4e4f-84c1-91fafc69aad5)
   )
-  (polyline (pts (xy 189.865 92.075) (xy 220.345 92.075))
+  (wire (pts (xy 152.4 84.455) (xy 152.4 83.82))
     (stroke (width 0) (type default) (color 0 0 0 0))
-    (uuid d3edc2e2-058d-4ccd-a41c-0d2c98c35d52)
+    (uuid d398a3a8-5b37-4cef-a095-4f95212af86e)
   )
-
   (wire (pts (xy 214.63 48.26) (xy 217.17 48.26))
     (stroke (width 0) (type default) (color 0 0 0 0))
     (uuid d41070cb-ed1c-437e-85c6-c79e38f97547)
@@ -2840,6 +2877,10 @@
     (stroke (width 0) (type default) (color 0 0 0 0))
     (uuid e161142c-3832-41e1-a359-84844ba17ddb)
   )
+  (wire (pts (xy 157.48 85.09) (xy 157.48 83.82))
+    (stroke (width 0) (type default) (color 0 0 0 0))
+    (uuid e2063286-3892-49a7-95fb-5cae904bbe91)
+  )
   (wire (pts (xy 169.545 48.26) (xy 169.545 53.975))
     (stroke (width 0) (type default) (color 0 0 0 0))
     (uuid e27d7074-8124-4c3d-89a1-d22d07958783)
@@ -2996,7 +3037,7 @@
     (effects (font (size 1.27 1.27)) (justify left bottom))
     (uuid 4699488d-5eeb-4cc0-9023-ec23fd446ff9)
   )
-  (text "TODO:\n- audio versterker afmaken\n- vu meter\n- stylus verbindingen\n- peak detector voor lm3914 vu meter\n- meer footprints toevoegen"
+  (text "TODO:\n- vu meter\n- stylus verbindingen\n- peak detector voor lm3914 vu meter\n- meer footprints toevoegen"
     (at 13.97 196.215 0)
     (effects (font (size 1.27 1.27)) (justify left bottom))
     (uuid 5b52a86e-16dc-451d-99a6-9b6ee7561576)
@@ -3005,7 +3046,7 @@
     (effects (font (size 1.27 1.27)) (justify left bottom))
     (uuid 6ac3a70f-ef29-4617-bc10-b4a601260306)
   )
-  (text "audio versterker" (at 188.595 90.805 180)
+  (text "audio versterker" (at 188.595 95.25 180)
     (effects (font (size 1.27 1.27)) (justify right bottom))
     (uuid 82d2837a-0de6-4f98-8798-0eac06aec90e)
   )
@@ -3013,10 +3054,6 @@
     (effects (font (size 1.27 1.27)) (justify right bottom))
     (uuid 88573c77-a394-46f5-bbba-30cdfb8443c5)
   )
-  (text "WIP" (at 136.525 63.5 180)
-    (effects (font (size 1.27 1.27) (thickness 0.254) bold) (justify right bottom))
-    (uuid af60971b-c329-45d4-8751-d97c1536909b)
-  )
   (text "mixer\n" (at 83.82 66.04 0)
     (effects (font (size 1.27 1.27)) (justify left bottom))
     (uuid bb720018-2bf0-44d4-9803-9baca09bdc76)
@@ -3101,6 +3138,13 @@
       (effects (font (size 1.27 1.27)) (justify right) hide)
     )
   )
+  (global_label "PRE_AMP" (shape input) (at 140.97 73.66 270) (fields_autoplaced)
+    (effects (font (size 1.27 1.27)) (justify right))
+    (uuid 478e1d5f-3361-4094-b60f-abe6a720cf4e)
+    (property "Intersheet References" "${INTERSHEET_REFS}" (id 0) (at 141.0494 84.5398 90)
+      (effects (font (size 1.27 1.27)) (justify right) hide)
+    )
+  )
   (global_label "PAD_B4" (shape output) (at 217.17 50.8 0) (fields_autoplaced)
     (effects (font (size 1.27 1.27)) (justify left))
     (uuid 4d5a7dfc-7dda-44a7-aec2-97e29fe77465)
@@ -3206,7 +3250,7 @@
       (effects (font (size 1.27 1.27)) (justify left) hide)
     )
   )
-  (global_label "PRE_AMP" (shape input) (at 115.57 53.975 0) (fields_autoplaced)
+  (global_label "PRE_AMP" (shape output) (at 115.57 53.975 0) (fields_autoplaced)
     (effects (font (size 1.27 1.27)) (justify left))
     (uuid 95f48b5c-db0a-4376-aa99-0de539f5a372)
     (property "Intersheet References" "${INTERSHEET_REFS}" (id 0) (at 126.4498 53.8956 0)
@@ -3325,10 +3369,10 @@
       (effects (font (size 1.27 1.27)) (justify left) hide)
     )
   )
-  (global_label "PAD_E4" (shape output) (at 157.48 53.975 0) (fields_autoplaced)
+  (global_label "PAD_E4" (shape output) (at 158.75 53.975 0) (fields_autoplaced)
     (effects (font (size 1.27 1.27)) (justify left))
     (uuid c3a2e282-38bc-453e-b0b9-663b5fafdc73)
-    (property "Intersheet References" "${INTERSHEET_REFS}" (id 0) (at 166.8479 53.8956 0)
+    (property "Intersheet References" "${INTERSHEET_REFS}" (id 0) (at 168.1179 53.8956 0)
       (effects (font (size 1.27 1.27)) (justify left) hide)
     )
   )
@@ -3470,36 +3514,36 @@
     (pin "2" (uuid 08aa1ac6-99d5-419f-9f2e-29564151a508))
   )
 
-  (symbol (lib_id "power:GND") (at 109.22 114.935 0) (unit 1)
+  (symbol (lib_id "power:GND") (at 146.05 84.455 0) (unit 1)
     (in_bom yes) (on_board yes) (fields_autoplaced)
-    (uuid 0d4cdde9-b5a7-4654-b78b-4a706e923d42)
-    (property "Reference" "#PWR028" (id 0) (at 109.22 121.285 0)
+    (uuid 07d6f954-f048-445f-a3c0-332affd131c7)
+    (property "Reference" "#PWR?" (id 0) (at 146.05 90.805 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "Value" "GND" (id 1) (at 109.22 119.38 0))
-    (property "Footprint" "" (id 2) (at 109.22 114.935 0)
+    (property "Value" "GND" (id 1) (at 146.05 89.535 0))
+    (property "Footprint" "" (id 2) (at 146.05 84.455 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "Datasheet" "" (id 3) (at 109.22 114.935 0)
+    (property "Datasheet" "" (id 3) (at 146.05 84.455 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (pin "1" (uuid b418cd18-b56b-43b8-9d2d-932c6cb9e34e))
+    (pin "1" (uuid 82f6b266-12e1-42ff-af05-cd57993a33ab))
   )
 
-  (symbol (lib_id "power:GND") (at 152.4 83.82 0) (unit 1)
+  (symbol (lib_id "power:GND") (at 109.22 114.935 0) (unit 1)
     (in_bom yes) (on_board yes) (fields_autoplaced)
-    (uuid 0f53a7cb-a1ba-402c-b627-13d9057eb127)
-    (property "Reference" "#PWR023" (id 0) (at 152.4 90.17 0)
+    (uuid 0d4cdde9-b5a7-4654-b78b-4a706e923d42)
+    (property "Reference" "#PWR028" (id 0) (at 109.22 121.285 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "Value" "GND" (id 1) (at 152.4 88.9 0))
-    (property "Footprint" "" (id 2) (at 152.4 83.82 0)
+    (property "Value" "GND" (id 1) (at 109.22 119.38 0))
+    (property "Footprint" "" (id 2) (at 109.22 114.935 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "Datasheet" "" (id 3) (at 152.4 83.82 0)
+    (property "Datasheet" "" (id 3) (at 109.22 114.935 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (pin "1" (uuid 82c0d96c-c25b-4db3-9da1-8513ab4cb815))
+    (pin "1" (uuid b418cd18-b56b-43b8-9d2d-932c6cb9e34e))
   )
 
   (symbol (lib_id "Device:R") (at 153.67 44.45 0) (unit 1)
@@ -3687,19 +3731,19 @@
     (pin "T" (uuid abf5dc9a-cfd3-4adb-9c86-34518179a0a3))
   )
 
-  (symbol (lib_id "Device:R_Potentiometer") (at 164.465 62.865 0) (unit 1)
+  (symbol (lib_id "Device:R_Potentiometer") (at 154.94 89.535 0) (unit 1)
     (in_bom yes) (on_board yes)
     (uuid 269232c0-a455-433f-be4c-bf2abbe28701)
-    (property "Reference" "RV5" (id 0) (at 162.56 61.595 0)
+    (property "Reference" "RV5" (id 0) (at 153.035 90.805 0)
       (effects (font (size 1.27 1.27)) (justify right))
     )
-    (property "Value" "10k" (id 1) (at 162.56 64.135 0)
+    (property "Value" "10k" (id 1) (at 153.035 88.265 0)
       (effects (font (size 1.27 1.27)) (justify right))
     )
-    (property "Footprint" "keyboard:potm" (id 2) (at 164.465 62.865 0)
+    (property "Footprint" "keyboard:potm" (id 2) (at 154.94 89.535 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "Datasheet" "~" (id 3) (at 164.465 62.865 0)
+    (property "Datasheet" "~" (id 3) (at 154.94 89.535 0)
       (effects (font (size 1.27 1.27)) hide)
     )
     (pin "1" (uuid ecff22aa-f988-4816-8c9e-30427fb9e7d8))
@@ -4361,7 +4405,7 @@
     (uuid 8634edb8-50db-43d2-95bb-5918d2cd24cc)
     (property "Reference" "U2" (id 0) (at 159.385 69.85 0))
     (property "Value" "LM386" (id 1) (at 159.385 72.39 0))
-    (property "Footprint" "" (id 2) (at 157.48 73.66 0)
+    (property "Footprint" "Package_DIP:DIP-8_W7.62mm" (id 2) (at 157.48 73.66 0)
       (effects (font (size 1.27 1.27)) hide)
     )
     (property "Datasheet" "http://www.ti.com/lit/ds/symlink/lm386.pdf" (id 3) (at 160.02 71.12 0)
@@ -5324,9 +5368,6 @@
     (path "/598483d5-163b-475c-83a1-684fb184809e"
       (reference "#PWR022") (unit 1) (value "GND") (footprint "")
     )
-    (path "/0f53a7cb-a1ba-402c-b627-13d9057eb127"
-      (reference "#PWR023") (unit 1) (value "GND") (footprint "")
-    )
     (path "/c0a4e59a-2242-4ff3-a3b6-e1b8f7277d35"
       (reference "#PWR024") (unit 1) (value "GND") (footprint "")
     )
@@ -5345,6 +5386,9 @@
     (path "/365e72a4-b4a8-42c1-ba94-eb0f9c9fd3ff"
       (reference "#PWR029") (unit 1) (value "GND") (footprint "")
     )
+    (path "/07d6f954-f048-445f-a3c0-332affd131c7"
+      (reference "#PWR?") (unit 1) (value "GND") (footprint "")
+    )
     (path "/2102c637-9f11-48f1-aae6-b4139dc22be2"
       (reference "A1") (unit 1) (value "Arduino_UNO_R3") (footprint "Module:Arduino_UNO_R3")
     )
@@ -5559,7 +5603,7 @@
       (reference "U1") (unit 1) (value "NE555P") (footprint "Package_DIP:DIP-8_W7.62mm")
     )
     (path "/8634edb8-50db-43d2-95bb-5918d2cd24cc"
-      (reference "U2") (unit 1) (value "LM386") (footprint "")
+      (reference "U2") (unit 1) (value "LM386") (footprint "Package_DIP:DIP-8_W7.62mm")
     )
     (path "/6861c69a-2093-46f7-addc-65485166ba0a"
       (reference "U3") (unit 1) (value "LM3914V") (footprint "keyboard:avans-lm3914v")
diff --git a/logboek.md b/logboek.md
index f1d4afe..f6b5f9c 100644
--- a/logboek.md
+++ b/logboek.md
@@ -33,4 +33,5 @@
 |Wed Mar  9 10:12:26 AM CET 2022|00:10:00|elektrisch schema|
 |Wed Mar  9 02:09:42 PM CET 2022|01:34:22|elektrisch schema|
 |Wed Mar  9 07:05:48 PM CET 2022|00:42:53|elektrisch schema|
+|Thu Mar 10 05:24:24 PM CET 2022|00:28:16|elektrisch schema|