diff --git a/doc/gammaray2usb-bom.ods b/doc/gammaray2usb-bom.ods
index f4639cb..4c3f5b5 100644
Binary files a/doc/gammaray2usb-bom.ods and b/doc/gammaray2usb-bom.ods differ
diff --git a/kicad6/gammaray2usb.kicad_sch b/kicad6/gammaray2usb.kicad_sch
index 31331b1..293a8c1 100644
--- a/kicad6/gammaray2usb.kicad_sch
+++ b/kicad6/gammaray2usb.kicad_sch
@@ -96,217 +96,6 @@
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+    (uuid b95a9375-98e5-4d39-9527-0858a9b8044f)
   )
-  (wire (pts (xy 193.04 124.46) (xy 214.63 124.46))
+  (wire (pts (xy 153.67 57.15) (xy 153.67 36.83))
     (stroke (width 0) (type default) (color 0 0 0 0))
-    (uuid c16fbca6-d6ec-4c58-8555-e219cfc90001)
+    (uuid b9ee212e-9b99-484c-b87b-4dd323941e1a)
   )
   (wire (pts (xy 251.46 119.38) (xy 251.46 134.62))
     (stroke (width 0) (type default) (color 0 0 0 0))
@@ -1434,10 +1195,18 @@
     (stroke (width 0) (type default) (color 0 0 0 0))
     (uuid cb1601df-b8b0-4975-91b4-7b250ec6bac2)
   )
+  (wire (pts (xy 153.67 57.15) (xy 153.67 82.55))
+    (stroke (width 0) (type default) (color 0 0 0 0))
+    (uuid cf7d72b3-359e-4122-abe9-6063248d737f)
+  )
   (wire (pts (xy 74.93 69.85) (xy 74.93 76.2))
     (stroke (width 0) (type default) (color 0 0 0 0))
     (uuid d1591f6d-486b-4987-b452-7a1cad868982)
   )
+  (wire (pts (xy 165.1 68.58) (xy 165.1 77.47))
+    (stroke (width 0) (type default) (color 0 0 0 0))
+    (uuid d89c2bf8-d6ba-46cd-a161-97339d293eba)
+  )
   (wire (pts (xy 63.5 110.49) (xy 63.5 114.3))
     (stroke (width 0) (type default) (color 0 0 0 0))
     (uuid db3c1f36-a7a5-4800-8651-92bbac0e0374)
@@ -1446,9 +1215,9 @@
     (stroke (width 0) (type default) (color 0 0 0 0))
     (uuid ddb81492-b685-4381-8c55-883274c096c2)
   )
-  (wire (pts (xy 201.93 100.33) (xy 201.93 104.14))
+  (wire (pts (xy 74.93 87.63) (xy 74.93 90.17))
     (stroke (width 0) (type default) (color 0 0 0 0))
-    (uuid dfdbdff5-ce69-45b7-9ed0-94ebb31bb947)
+    (uuid df29515e-93c1-4218-8ac1-a9de7a7569b2)
   )
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     (stroke (width 0) (type default) (color 0 0 0 0))
@@ -1466,6 +1235,10 @@
     (stroke (width 0) (type default) (color 0 0 0 0))
     (uuid ef598296-cd50-4732-a8ca-44c25316e6d4)
   )
+  (wire (pts (xy 165.1 92.71) (xy 165.1 104.14))
+    (stroke (width 0) (type default) (color 0 0 0 0))
+    (uuid f05c390f-203b-4b57-8b63-8ee09c9fba92)
+  )
   (wire (pts (xy 100.33 31.75) (xy 100.33 45.72))
     (stroke (width 0) (type default) (color 0 0 0 0))
     (uuid f47fb7d9-c1ba-493a-9c2d-d9022d68de72)
@@ -3349,6 +3122,22 @@
     )
   )
 
+  (symbol (lib_id "power:+9V") (at 165.1 68.58 0) (unit 1)
+    (in_bom yes) (on_board yes) (fields_autoplaced)
+    (uuid 06592f22-0923-4326-8a2d-c445a3b40d99)
+    (property "Reference" "#PWR05" (id 0) (at 165.1 72.39 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Value" "+9V" (id 1) (at 165.1 63.5 0))
+    (property "Footprint" "" (id 2) (at 165.1 68.58 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Datasheet" "" (id 3) (at 165.1 68.58 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (pin "1" (uuid 72bd6e3e-1a8e-4839-a9f2-adbce0c66842))
+  )
+
   (symbol (lib_id "Device:C_Polarized") (at 125.73 62.23 0) (unit 1)
     (in_bom yes) (on_board yes) (fields_autoplaced)
     (uuid 0bf29121-f18f-4c86-a759-404d4ec66055)
@@ -3453,17 +3242,17 @@
     (pin "2" (uuid 838ca87b-bdb5-4ec4-a9ef-6ec563dde333))
   )
 
-  (symbol (lib_id "power:GNDREF") (at 215.9 95.25 0) (unit 1)
+  (symbol (lib_id "power:GNDREF") (at 165.1 104.14 0) (unit 1)
     (in_bom yes) (on_board yes) (fields_autoplaced)
     (uuid 2c6c8761-1335-4ea7-8bc8-75ca84c46070)
-    (property "Reference" "#PWR07" (id 0) (at 215.9 101.6 0)
+    (property "Reference" "#PWR08" (id 0) (at 165.1 110.49 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "Value" "GNDREF" (id 1) (at 215.9 100.33 0))
-    (property "Footprint" "" (id 2) (at 215.9 95.25 0)
+    (property "Value" "GNDREF" (id 1) (at 165.1 109.22 0))
+    (property "Footprint" "" (id 2) (at 165.1 104.14 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "Datasheet" "" (id 3) (at 215.9 95.25 0)
+    (property "Datasheet" "" (id 3) (at 165.1 104.14 0)
       (effects (font (size 1.27 1.27)) hide)
     )
     (pin "1" (uuid 1460346b-34c2-4015-b6cf-380ba0ce5728))
@@ -3525,7 +3314,7 @@
   (symbol (lib_id "power:GND") (at 250.19 134.62 0) (unit 1)
     (in_bom yes) (on_board yes) (fields_autoplaced)
     (uuid 5bdfcf3e-1c2f-4a2f-b349-a5a0d30e9f94)
-    (property "Reference" "#PWR09" (id 0) (at 250.19 140.97 0)
+    (property "Reference" "#PWR010" (id 0) (at 250.19 140.97 0)
       (effects (font (size 1.27 1.27)) hide)
     )
     (property "Value" "GND" (id 1) (at 250.19 139.7 0))
@@ -3572,6 +3361,25 @@
     (pin "2" (uuid 151c8de1-b09f-468b-b5a6-8987e7817cbc))
   )
 
+  (symbol (lib_id "Amplifier_Operational:LM358") (at 167.64 85.09 0) (unit 3)
+    (in_bom yes) (on_board yes)
+    (uuid 86eee192-26e0-42e3-9662-7d516b8d85d5)
+    (property "Reference" "U1" (id 0) (at 170.18 87.63 0)
+      (effects (font (size 1.27 1.27)) (justify left))
+    )
+    (property "Value" "LM358" (id 1) (at 167.64 91.44 0)
+      (effects (font (size 1.27 1.27)) (justify left))
+    )
+    (property "Footprint" "" (id 2) (at 167.64 85.09 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Datasheet" "http://www.ti.com/lit/ds/symlink/lm2904-n.pdf" (id 3) (at 167.64 85.09 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (pin "4" (uuid 220269d3-92c4-4836-89a5-fba6c7e8b088))
+    (pin "8" (uuid f15afe04-43bb-4661-b903-06d2a3f7934c))
+  )
+
   (symbol (lib_id "Device:C_Polarized") (at 190.5 36.83 90) (unit 1)
     (in_bom yes) (on_board yes) (fields_autoplaced)
     (uuid 9c4aab7d-20a7-4e36-aba8-1f04653b5d7c)
@@ -3626,24 +3434,6 @@
     (pin "2" (uuid 875c8b9e-f10c-4f13-83d3-52d23541749b))
   )
 
-  (symbol (lib_id "Analog_Switch:TS5A3166DBVR") (at 201.93 92.71 90) (mirror x) (unit 1)
-    (in_bom yes) (on_board yes) (fields_autoplaced)
-    (uuid acc0fc43-a19a-4c36-8278-2ffa0aaa57c9)
-    (property "Reference" "SW1" (id 0) (at 215.9 88.6712 90))
-    (property "Value" "TS5A3166DBVR" (id 1) (at 215.9 91.2112 90))
-    (property "Footprint" "Package_TO_SOT_SMD:SOT-23-5" (id 2) (at 205.74 91.44 0)
-      (effects (font (size 1.27 1.27)) hide)
-    )
-    (property "Datasheet" " http://www.ti.com/lit/ds/symlink/ts5a3166.pdf" (id 3) (at 199.39 92.71 0)
-      (effects (font (size 1.27 1.27)) hide)
-    )
-    (pin "1" (uuid 71a375c2-2836-4cd1-b226-d85a08736001))
-    (pin "2" (uuid 476cee13-bbf0-41c7-930b-5753956bb03c))
-    (pin "3" (uuid c1c54e2f-79f9-4eb6-a164-d9cb4b3b1782))
-    (pin "4" (uuid ae2bb3a2-93ae-4407-b30b-2a416dd55c6e))
-    (pin "5" (uuid 2ea4576a-0343-46f7-a12a-16c9233e3895))
-  )
-
   (symbol (lib_id "Sensor_Optical:BPW34") (at 48.26 87.63 270) (unit 1)
     (in_bom yes) (on_board yes) (fields_autoplaced)
     (uuid b10a43fe-d13a-4fb1-a50c-7b1f30f48d03)
@@ -3733,26 +3523,10 @@
     (pin "1" (uuid 1dfcd6d1-a486-4ccd-8e02-71c306742da5))
   )
 
-  (symbol (lib_id "Amplifier_Operational:LM358") (at 163.83 85.09 0) (mirror x) (unit 1)
-    (in_bom yes) (on_board yes) (fields_autoplaced)
-    (uuid c3212f85-cf66-4f7f-8b36-26a0c66bbcc2)
-    (property "Reference" "U1" (id 0) (at 163.83 74.93 0))
-    (property "Value" "LM358" (id 1) (at 163.83 77.47 0))
-    (property "Footprint" "Package_DIP:DIP-8_W7.62mm" (id 2) (at 163.83 85.09 0)
-      (effects (font (size 1.27 1.27)) hide)
-    )
-    (property "Datasheet" "http://www.ti.com/lit/ds/symlink/lm2904-n.pdf" (id 3) (at 163.83 85.09 0)
-      (effects (font (size 1.27 1.27)) hide)
-    )
-    (pin "1" (uuid bc8c0606-eae3-42c2-bdfa-41e547d9bcca))
-    (pin "2" (uuid b2ec89eb-0371-419f-a45e-4107bfbda0cf))
-    (pin "3" (uuid bfb6da8c-1f67-4daa-b465-f731dd0c9935))
-  )
-
   (symbol (lib_id "power:GND") (at 166.37 160.02 0) (unit 1)
     (in_bom yes) (on_board yes) (fields_autoplaced)
     (uuid cbd1beb0-4e1a-4131-bc21-f5d04a4adbc8)
-    (property "Reference" "#PWR05" (id 0) (at 166.37 166.37 0)
+    (property "Reference" "#PWR06" (id 0) (at 166.37 166.37 0)
       (effects (font (size 1.27 1.27)) hide)
     )
     (property "Value" "GND" (id 1) (at 166.37 165.1 0))
@@ -3768,7 +3542,7 @@
   (symbol (lib_id "power:GND") (at 204.47 44.45 0) (unit 1)
     (in_bom yes) (on_board yes) (fields_autoplaced)
     (uuid d3273f7f-81a8-4743-97b3-2d14d346318d)
-    (property "Reference" "#PWR06" (id 0) (at 204.47 50.8 0)
+    (property "Reference" "#PWR07" (id 0) (at 204.47 50.8 0)
       (effects (font (size 1.27 1.27)) hide)
     )
     (property "Value" "GND" (id 1) (at 204.47 49.53 0))
@@ -3796,6 +3570,22 @@
     (pin "2" (uuid 62e852a4-1763-4c21-ae61-7f02ecad037a))
   )
 
+  (symbol (lib_id "Amplifier_Operational:LM358") (at 200.66 87.63 0) (mirror x) (unit 2)
+    (in_bom yes) (on_board yes) (fields_autoplaced)
+    (uuid ddd3659c-4a53-497e-a3df-0fcba098bc87)
+    (property "Reference" "U1" (id 0) (at 200.66 77.47 0))
+    (property "Value" "LM358" (id 1) (at 200.66 80.01 0))
+    (property "Footprint" "" (id 2) (at 200.66 87.63 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Datasheet" "http://www.ti.com/lit/ds/symlink/lm2904-n.pdf" (id 3) (at 200.66 87.63 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (pin "5" (uuid 71870540-9d93-49ff-b300-aa1d15a588a0))
+    (pin "6" (uuid a55d44cd-3652-4592-9f4f-19e130b2c711))
+    (pin "7" (uuid 87dfdb54-6177-4cf9-8a12-1dadb6ab3bfc))
+  )
+
   (symbol (lib_id "power:GND") (at 63.5 114.3 0) (unit 1)
     (in_bom yes) (on_board yes) (fields_autoplaced)
     (uuid ebed6589-278a-4a15-9559-ea7a4d8d2b1c)
@@ -3812,6 +3602,26 @@
     (pin "1" (uuid d0cc4791-131e-4fd3-99cb-787c7704790a))
   )
 
+  (symbol (lib_id "Amplifier_Operational:LM358") (at 167.64 85.09 0) (mirror x) (unit 1)
+    (in_bom yes) (on_board yes) (fields_autoplaced)
+    (uuid ed55b9f2-a49e-44f9-9b80-7649ba91b79e)
+    (property "Reference" "U1" (id 0) (at 167.64 92.71 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Value" "LM358" (id 1) (at 167.64 92.71 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Footprint" "" (id 2) (at 167.64 85.09 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Datasheet" "http://www.ti.com/lit/ds/symlink/lm2904-n.pdf" (id 3) (at 167.64 85.09 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (pin "1" (uuid 2b1a30c8-fda3-4d4d-b835-6ab3c7839f0c))
+    (pin "2" (uuid 01e19628-d052-47da-a307-0959ce5ac414))
+    (pin "3" (uuid b7cbae14-5158-48dd-86ec-8e6cf52773d6))
+  )
+
   (symbol (lib_id "Device:C_Polarized") (at 35.56 69.85 270) (unit 1)
     (in_bom yes) (on_board yes) (fields_autoplaced)
     (uuid ef30db09-68a9-4ed2-a5ff-60d3bf9676f6)
@@ -3862,7 +3672,7 @@
   (symbol (lib_id "power:+9V") (at 217.17 140.97 0) (unit 1)
     (in_bom yes) (on_board yes) (fields_autoplaced)
     (uuid f6e75d5e-bca1-46da-ae17-c704cd15d3f1)
-    (property "Reference" "#PWR08" (id 0) (at 217.17 144.78 0)
+    (property "Reference" "#PWR09" (id 0) (at 217.17 144.78 0)
       (effects (font (size 1.27 1.27)) hide)
     )
     (property "Value" "+9V" (id 1) (at 217.17 135.89 0))
@@ -3914,20 +3724,23 @@
     (path "/2391cee2-00f1-4c66-9242-d3cd0fc1de93"
       (reference "#PWR04") (unit 1) (value "GND") (footprint "")
     )
+    (path "/06592f22-0923-4326-8a2d-c445a3b40d99"
+      (reference "#PWR05") (unit 1) (value "+9V") (footprint "")
+    )
     (path "/cbd1beb0-4e1a-4131-bc21-f5d04a4adbc8"
-      (reference "#PWR05") (unit 1) (value "GND") (footprint "")
+      (reference "#PWR06") (unit 1) (value "GND") (footprint "")
     )
     (path "/d3273f7f-81a8-4743-97b3-2d14d346318d"
-      (reference "#PWR06") (unit 1) (value "GND") (footprint "")
+      (reference "#PWR07") (unit 1) (value "GND") (footprint "")
     )
     (path "/2c6c8761-1335-4ea7-8bc8-75ca84c46070"
-      (reference "#PWR07") (unit 1) (value "GNDREF") (footprint "")
+      (reference "#PWR08") (unit 1) (value "GNDREF") (footprint "")
     )
     (path "/f6e75d5e-bca1-46da-ae17-c704cd15d3f1"
-      (reference "#PWR08") (unit 1) (value "+9V") (footprint "")
+      (reference "#PWR09") (unit 1) (value "+9V") (footprint "")
     )
     (path "/5bdfcf3e-1c2f-4a2f-b349-a5a0d30e9f94"
-      (reference "#PWR09") (unit 1) (value "GND") (footprint "")
+      (reference "#PWR010") (unit 1) (value "GND") (footprint "")
     )
     (path "/a43312f4-02b5-48f7-89da-9831bc965996"
       (reference "BZ1") (unit 1) (value "Buzzer") (footprint "Buzzer_Beeper:Buzzer_15x7.5RM7.6")
@@ -3986,11 +3799,14 @@
     (path "/fc08777f-d678-4bc4-8021-8a14b6505c88"
       (reference "RV1") (unit 1) (value "250kΩ") (footprint "Potentiometer_THT:Potentiometer_Vishay_T7-YA_Single_Vertical")
     )
-    (path "/acc0fc43-a19a-4c36-8278-2ffa0aaa57c9"
-      (reference "SW1") (unit 1) (value "TS5A3166DBVR") (footprint "Package_TO_SOT_SMD:SOT-23-5")
+    (path "/ed55b9f2-a49e-44f9-9b80-7649ba91b79e"
+      (reference "U1") (unit 1) (value "LM358") (footprint "")
+    )
+    (path "/ddd3659c-4a53-497e-a3df-0fcba098bc87"
+      (reference "U1") (unit 2) (value "LM358") (footprint "")
     )
-    (path "/c3212f85-cf66-4f7f-8b36-26a0c66bbcc2"
-      (reference "U1") (unit 1) (value "LM358") (footprint "Package_DIP:DIP-8_W7.62mm")
+    (path "/86eee192-26e0-42e3-9662-7d516b8d85d5"
+      (reference "U1") (unit 3) (value "LM358") (footprint "")
     )
   )
 )