diff --git a/c3pb-heizung/c3pb-heizung.kicad_sch b/c3pb-heizung/c3pb-heizung.kicad_sch
index e11f18255f3631abe589305c5f70fdbeb391b1c5..0be9e9011f7b3cff207aab6e23e66613e720685e 100644
--- a/c3pb-heizung/c3pb-heizung.kicad_sch
+++ b/c3pb-heizung/c3pb-heizung.kicad_sch
@@ -5,69 +5,6 @@
   (paper "A4")
 
   (lib_symbols
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-      (property "Reference" "U" (id 0) (at -2.54 3.81 0)
-        (effects (font (size 1.27 1.27)))
-      )
-      (property "Value" "74LVC2G04" (id 1) (at 0 -3.81 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.ti.com/lit/sg/scyt129e/scyt129e.pdf" (id 3) (at 0 0 0)
-        (effects (font (size 1.27 1.27)) hide)
-      )
-      (property "ki_keywords" "Dual Gate NOT LVC CMOS" (id 4) (at 0 0 0)
-        (effects (font (size 1.27 1.27)) hide)
-      )
-      (property "ki_description" "Dual NOT Gate, Low-Voltage CMOS" (id 5) (at 0 0 0)
-        (effects (font (size 1.27 1.27)) hide)
-      )
-      (property "ki_fp_filters" "SG-* SOT*" (id 6) (at 0 0 0)
-        (effects (font (size 1.27 1.27)) hide)
-      )
-      (symbol "74LVC2G04_0_1"
-        (polyline
-          (pts
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-          (stroke (width 0.254) (type default) (color 0 0 0 0))
-          (fill (type none))
-        )
-        (pin power_in line (at 0 -2.54 270) (length 0) hide
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-          (number "2" (effects (font (size 1.016 1.016))))
-        )
-        (pin power_in line (at 0 2.54 90) (length 0) hide
-          (name "VCC" (effects (font (size 1.016 1.016))))
-          (number "5" (effects (font (size 1.016 1.016))))
-        )
-      )
-      (symbol "74LVC2G04_1_1"
-        (pin input line (at -7.62 0 0) (length 3.81)
-          (name "~" (effects (font (size 1.016 1.016))))
-          (number "1" (effects (font (size 1.016 1.016))))
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-        (pin output inverted (at 6.35 0 180) (length 3.81)
-          (name "~" (effects (font (size 1.016 1.016))))
-          (number "6" (effects (font (size 1.016 1.016))))
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-      )
-      (symbol "74LVC2G04_2_1"
-        (pin input line (at -7.62 0 0) (length 3.81)
-          (name "~" (effects (font (size 1.016 1.016))))
-          (number "3" (effects (font (size 1.016 1.016))))
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-        (pin output inverted (at 6.35 0 180) (length 3.81)
-          (name "~" (effects (font (size 1.016 1.016))))
-          (number "4" (effects (font (size 1.016 1.016))))
-        )
-      )
-    )
     (symbol "Connector:TestPoint_Probe" (pin_numbers hide) (pin_names (offset 0.762) hide) (in_bom yes) (on_board yes)
       (property "Reference" "TP" (id 0) (at 1.651 5.842 0)
         (effects (font (size 1.27 1.27)))
@@ -1971,6 +1908,72 @@
         )
       )
     )
+    (symbol "c3pb-heizung:74LVC2G04" (pin_names (offset 1.016)) (in_bom yes) (on_board yes)
+      (property "Reference" "U14" (id 0) (at -6.35 7.62 0)
+        (effects (font (size 1.27 1.27)))
+      )
+      (property "Value" "74LVC2G04" (id 1) (at -6.35 5.08 0)
+        (effects (font (size 1.27 1.27)))
+      )
+      (property "Footprint" "Package_TO_SOT_SMD:SOT-363_SC-70-6" (id 2) (at 0 0 0)
+        (effects (font (size 1.27 1.27)) hide)
+      )
+      (property "Datasheet" "http://www.ti.com/lit/sg/scyt129e/scyt129e.pdf" (id 3) (at 0 0 0)
+        (effects (font (size 1.27 1.27)) hide)
+      )
+      (property "LCSC" "C3002791" (id 4) (at 0 0 0)
+        (effects (font (size 1.27 1.27)) hide)
+      )
+      (property "ki_keywords" "Dual Gate NOT LVC CMOS" (id 5) (at 0 0 0)
+        (effects (font (size 1.27 1.27)) hide)
+      )
+      (property "ki_description" "Dual NOT Gate, Low-Voltage CMOS" (id 6) (at 0 0 0)
+        (effects (font (size 1.27 1.27)) hide)
+      )
+      (property "ki_fp_filters" "SG-* SOT*" (id 7) (at 0 0 0)
+        (effects (font (size 1.27 1.27)) hide)
+      )
+      (symbol "74LVC2G04_0_1"
+        (polyline
+          (pts
+            (xy -3.81 2.54)
+            (xy -3.81 -2.54)
+            (xy 2.54 0)
+            (xy -3.81 2.54)
+          )
+          (stroke (width 0.254) (type default) (color 0 0 0 0))
+          (fill (type none))
+        )
+        (pin power_in line (at 0 -2.54 270) (length 0) hide
+          (name "GND" (effects (font (size 1.016 1.016))))
+          (number "2" (effects (font (size 1.016 1.016))))
+        )
+        (pin power_in line (at 0 2.54 90) (length 0)
+          (name "VCC" (effects (font (size 1.016 1.016))))
+          (number "5" (effects (font (size 1.016 1.016))))
+        )
+      )
+      (symbol "74LVC2G04_1_1"
+        (pin input line (at -7.62 0 0) (length 3.81)
+          (name "~" (effects (font (size 1.016 1.016))))
+          (number "1" (effects (font (size 1.016 1.016))))
+        )
+        (pin output inverted (at 6.35 0 180) (length 3.81)
+          (name "~" (effects (font (size 1.016 1.016))))
+          (number "6" (effects (font (size 1.016 1.016))))
+        )
+      )
+      (symbol "74LVC2G04_2_1"
+        (pin input line (at -7.62 0 0) (length 3.81)
+          (name "~" (effects (font (size 1.016 1.016))))
+          (number "3" (effects (font (size 1.016 1.016))))
+        )
+        (pin output inverted (at 6.35 0 180) (length 3.81)
+          (name "~" (effects (font (size 1.016 1.016))))
+          (number "4" (effects (font (size 1.016 1.016))))
+        )
+      )
+    )
     (symbol "c3pb-heizung:TMP102" (in_bom yes) (on_board yes)
       (property "Reference" "U" (id 0) (at 10.16 -2.54 0)
         (effects (font (size 1.27 1.27)))
@@ -2463,6 +2466,9 @@
   (junction (at 210.82 123.19) (diameter 0) (color 0 0 0 0)
     (uuid ce002e9f-a088-40d9-a841-480fde61affa)
   )
+  (junction (at 184.15 68.58) (diameter 0) (color 0 0 0 0)
+    (uuid d0052c74-0709-4998-b7b7-818bfe69a434)
+  )
   (junction (at 208.28 125.73) (diameter 0) (color 0 0 0 0)
     (uuid d3ab2cea-6366-4a5a-aced-7a32c5f2cd2e)
   )
@@ -3497,6 +3503,10 @@
     (stroke (width 0) (type default) (color 0 0 0 0))
     (uuid dde0746c-4139-4132-8363-07266f99f399)
   )
+  (wire (pts (xy 184.15 68.58) (xy 194.31 68.58))
+    (stroke (width 0) (type default) (color 0 0 0 0))
+    (uuid deee40c3-bb7f-4e80-9201-a4b815c8821f)
+  )
   (wire (pts (xy 147.32 114.3) (xy 161.29 114.3))
     (stroke (width 0) (type default) (color 0 0 0 0))
     (uuid df2cef98-9580-471a-86ca-689090630f00)
@@ -5037,11 +5047,11 @@
     (pin "1" (uuid 3a27bd3b-7d42-4fbc-9a44-6f76246148ce))
   )
 
-  (symbol (lib_id "74xGxx:74LVC2G04") (at 194.31 71.12 0) (unit 1)
-    (in_bom yes) (on_board yes) (fields_autoplaced)
+  (symbol (lib_id "c3pb-heizung:74LVC2G04") (at 194.31 71.12 0) (unit 1)
+    (in_bom yes) (on_board yes)
     (uuid 47a39238-77fa-4ece-bb5c-a55fc905dac8)
-    (property "Reference" "U14" (id 0) (at 193.675 63.5 0))
-    (property "Value" "74LVC2G04" (id 1) (at 193.675 66.04 0))
+    (property "Reference" "U14" (id 0) (at 194.31 60.96 0))
+    (property "Value" "74LVC2G04" (id 1) (at 194.31 63.5 0))
     (property "Footprint" "Package_TO_SOT_SMD:SOT-363_SC-70-6" (id 2) (at 194.31 71.12 0)
       (effects (font (size 1.27 1.27)) hide)
     )
@@ -5433,11 +5443,11 @@
     (pin "2" (uuid 841281a6-922e-4713-b6de-98ebff23e69c))
   )
 
-  (symbol (lib_id "74xGxx:74LVC2G04") (at 177.8 71.12 0) (unit 2)
-    (in_bom yes) (on_board yes) (fields_autoplaced)
+  (symbol (lib_id "c3pb-heizung:74LVC2G04") (at 177.8 71.12 0) (unit 2)
+    (in_bom yes) (on_board yes)
     (uuid 6167f342-071e-42b0-9a78-29409b6d01c4)
-    (property "Reference" "U14" (id 0) (at 177.165 63.5 0))
-    (property "Value" "74LVC2G04" (id 1) (at 177.165 66.04 0))
+    (property "Reference" "U14" (id 0) (at 171.45 63.5 0))
+    (property "Value" "74LVC2G04" (id 1) (at 171.45 66.04 0))
     (property "Footprint" "Package_TO_SOT_SMD:SOT-363_SC-70-6" (id 2) (at 177.8 71.12 0)
       (effects (font (size 1.27 1.27)) hide)
     )
diff --git a/c3pb-heizung/c3pb-heizung.kicad_sym b/c3pb-heizung/c3pb-heizung.kicad_sym
index c742282a546a3eea90f48239f5f819f5495d83a9..72db0dcd47964a07d678ac807e13dee0e0a2bc1d 100644
--- a/c3pb-heizung/c3pb-heizung.kicad_sym
+++ b/c3pb-heizung/c3pb-heizung.kicad_sym
@@ -1,4 +1,70 @@
 (kicad_symbol_lib (version 20211014) (generator kicad_symbol_editor)
+  (symbol "74LVC2G04" (pin_names (offset 1.016)) (in_bom yes) (on_board yes)
+    (property "Reference" "U14" (id 0) (at -6.35 7.62 0)
+      (effects (font (size 1.27 1.27)))
+    )
+    (property "Value" "74LVC2G04" (id 1) (at -6.35 5.08 0)
+      (effects (font (size 1.27 1.27)))
+    )
+    (property "Footprint" "Package_TO_SOT_SMD:SOT-363_SC-70-6" (id 2) (at 0 0 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Datasheet" "http://www.ti.com/lit/sg/scyt129e/scyt129e.pdf" (id 3) (at 0 0 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "LCSC" "C3002791" (id 4) (at 0 0 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "ki_keywords" "Dual Gate NOT LVC CMOS" (id 5) (at 0 0 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "ki_description" "Dual NOT Gate, Low-Voltage CMOS" (id 6) (at 0 0 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "ki_fp_filters" "SG-* SOT*" (id 7) (at 0 0 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (symbol "74LVC2G04_0_1"
+      (polyline
+        (pts
+          (xy -3.81 2.54)
+          (xy -3.81 -2.54)
+          (xy 2.54 0)
+          (xy -3.81 2.54)
+        )
+        (stroke (width 0.254) (type default) (color 0 0 0 0))
+        (fill (type none))
+      )
+      (pin power_in line (at 0 -2.54 270) (length 0) hide
+        (name "GND" (effects (font (size 1.016 1.016))))
+        (number "2" (effects (font (size 1.016 1.016))))
+      )
+      (pin power_in line (at 0 2.54 90) (length 0)
+        (name "VCC" (effects (font (size 1.016 1.016))))
+        (number "5" (effects (font (size 1.016 1.016))))
+      )
+    )
+    (symbol "74LVC2G04_1_1"
+      (pin input line (at -7.62 0 0) (length 3.81)
+        (name "~" (effects (font (size 1.016 1.016))))
+        (number "1" (effects (font (size 1.016 1.016))))
+      )
+      (pin output inverted (at 6.35 0 180) (length 3.81)
+        (name "~" (effects (font (size 1.016 1.016))))
+        (number "6" (effects (font (size 1.016 1.016))))
+      )
+    )
+    (symbol "74LVC2G04_2_1"
+      (pin input line (at -7.62 0 0) (length 3.81)
+        (name "~" (effects (font (size 1.016 1.016))))
+        (number "3" (effects (font (size 1.016 1.016))))
+      )
+      (pin output inverted (at 6.35 0 180) (length 3.81)
+        (name "~" (effects (font (size 1.016 1.016))))
+        (number "4" (effects (font (size 1.016 1.016))))
+      )
+    )
+  )
   (symbol "OLED" (in_bom yes) (on_board yes)
     (property "Reference" "U" (id 0) (at -7.62 7.62 0)
       (effects (font (size 1.27 1.27)))
diff --git a/c3pb-heizung/power.kicad_sch b/c3pb-heizung/power.kicad_sch
index 328d83e201a4dfe8416c46395002d6b15d657a6d..67abf671e3986abc689acc5960df44ae5b3421ae 100644
--- a/c3pb-heizung/power.kicad_sch
+++ b/c3pb-heizung/power.kicad_sch
@@ -2296,8 +2296,8 @@
     (pin "1" (uuid 65ef3c57-636e-4c96-b6d2-2061f20637c5))
     (pin "2" (uuid 1aff68c1-fd69-4dc2-8352-f9bdfd856403))
     (pin "3" (uuid a980ad92-36da-4774-962b-1789cf9d3f4d))
-    (pin "5" (uuid 7c5428af-ba6a-4a8a-9be2-8262cdd251d5))
-    (pin "5" (uuid 7c5428af-ba6a-4a8a-9be2-8262cdd251d5))
+    (pin "5" (uuid 7c5428af-ba6a-4a8a-9be2-8262cdd251d6))
+    (pin "5" (uuid 7c5428af-ba6a-4a8a-9be2-8262cdd251d6))
   )
 
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