diff --git a/pcb/fiatlux_cc48.kicad_sch b/pcb/fiatlux_cc48.kicad_sch
index e0cd88e..183cad0 100644
--- a/pcb/fiatlux_cc48.kicad_sch
+++ b/pcb/fiatlux_cc48.kicad_sch
@@ -3708,22 +3708,22 @@
       (reference "J10") (unit 1) (value "Conn_01x02_Male") (footprint "TerminalBlock:TerminalBlock_bornier-2_P5.08mm")
     )
     (path "/d33c1df4-7e91-4c8a-86ff-6749f0933357/c4a8317f-0ec5-42b5-bb36-e799c3b9465f"
-      (reference "L1") (unit 1) (value "L_Ferrite") (footprint "Inductor_SMD:L_12x12mm_H8mm")
+      (reference "L1") (unit 1) (value "680µ") (footprint "Inductor_SMD:L_12x12mm_H8mm")
     )
     (path "/ec392c76-0785-4274-a56a-aeb995601b34/c4a8317f-0ec5-42b5-bb36-e799c3b9465f"
-      (reference "L2") (unit 1) (value "L_Ferrite") (footprint "Inductor_SMD:L_12x12mm_H8mm")
+      (reference "L2") (unit 1) (value "680µ") (footprint "Inductor_SMD:L_12x12mm_H8mm")
     )
     (path "/0f2c710f-e0cf-4531-985d-317b699b8a1b/c4a8317f-0ec5-42b5-bb36-e799c3b9465f"
-      (reference "L3") (unit 1) (value "L_Ferrite") (footprint "Inductor_SMD:L_12x12mm_H8mm")
+      (reference "L3") (unit 1) (value "680µ") (footprint "Inductor_SMD:L_12x12mm_H8mm")
     )
     (path "/a672b323-13f7-4347-a8ce-0a3f96c45d44/c4a8317f-0ec5-42b5-bb36-e799c3b9465f"
-      (reference "L4") (unit 1) (value "L_Ferrite") (footprint "Inductor_SMD:L_12x12mm_H8mm")
+      (reference "L4") (unit 1) (value "680µ") (footprint "Inductor_SMD:L_12x12mm_H8mm")
     )
     (path "/a5f417c9-09b7-4103-a9bc-767ebcf97650/c4a8317f-0ec5-42b5-bb36-e799c3b9465f"
-      (reference "L5") (unit 1) (value "L_Ferrite") (footprint "Inductor_SMD:L_12x12mm_H8mm")
+      (reference "L5") (unit 1) (value "680µ") (footprint "Inductor_SMD:L_12x12mm_H8mm")
     )
     (path "/41c6dc95-230a-4992-8ca4-7f36f4bdcf94/c4a8317f-0ec5-42b5-bb36-e799c3b9465f"
-      (reference "L6") (unit 1) (value "L_Ferrite") (footprint "Inductor_SMD:L_12x12mm_H8mm")
+      (reference "L6") (unit 1) (value "680µ") (footprint "Inductor_SMD:L_12x12mm_H8mm")
     )
     (path "/d33c1df4-7e91-4c8a-86ff-6749f0933357/b01f9676-1c70-4d30-9cab-c3b74551b840"
       (reference "NT1") (unit 1) (value "NetTie_48V_DRIVER") (footprint "NetTie:NetTie-2_SMD_Pad2.0mm")
@@ -3786,7 +3786,7 @@
       (reference "R8") (unit 1) (value "100") (footprint "Resistor_SMD:R_0603_1608Metric")
     )
     (path "/d33c1df4-7e91-4c8a-86ff-6749f0933357/28371581-b085-414b-bbe0-1964cf2863a2"
-      (reference "R9") (unit 1) (value "1k") (footprint "Resistor_SMD:R_0603_1608Metric")
+      (reference "R9") (unit 1) (value "100") (footprint "Resistor_SMD:R_0603_1608Metric")
     )
     (path "/d33c1df4-7e91-4c8a-86ff-6749f0933357/30373001-f456-486c-8552-a67068f7a009"
       (reference "R10") (unit 1) (value "1.6") (footprint "Resistor_SMD:R_1206_3216Metric")
@@ -3795,7 +3795,7 @@
       (reference "R11") (unit 1) (value "100") (footprint "Resistor_SMD:R_0603_1608Metric")
     )
     (path "/ec392c76-0785-4274-a56a-aeb995601b34/28371581-b085-414b-bbe0-1964cf2863a2"
-      (reference "R12") (unit 1) (value "1k") (footprint "Resistor_SMD:R_0603_1608Metric")
+      (reference "R12") (unit 1) (value "100") (footprint "Resistor_SMD:R_0603_1608Metric")
     )
     (path "/ec392c76-0785-4274-a56a-aeb995601b34/30373001-f456-486c-8552-a67068f7a009"
       (reference "R13") (unit 1) (value "1.6") (footprint "Resistor_SMD:R_1206_3216Metric")
@@ -3804,7 +3804,7 @@
       (reference "R14") (unit 1) (value "100") (footprint "Resistor_SMD:R_0603_1608Metric")
     )
     (path "/0f2c710f-e0cf-4531-985d-317b699b8a1b/28371581-b085-414b-bbe0-1964cf2863a2"
-      (reference "R15") (unit 1) (value "1k") (footprint "Resistor_SMD:R_0603_1608Metric")
+      (reference "R15") (unit 1) (value "100") (footprint "Resistor_SMD:R_0603_1608Metric")
     )
     (path "/0f2c710f-e0cf-4531-985d-317b699b8a1b/30373001-f456-486c-8552-a67068f7a009"
       (reference "R16") (unit 1) (value "1.6") (footprint "Resistor_SMD:R_1206_3216Metric")
@@ -3813,7 +3813,7 @@
       (reference "R17") (unit 1) (value "100") (footprint "Resistor_SMD:R_0603_1608Metric")
     )
     (path "/a672b323-13f7-4347-a8ce-0a3f96c45d44/28371581-b085-414b-bbe0-1964cf2863a2"
-      (reference "R18") (unit 1) (value "1k") (footprint "Resistor_SMD:R_0603_1608Metric")
+      (reference "R18") (unit 1) (value "100") (footprint "Resistor_SMD:R_0603_1608Metric")
     )
     (path "/a672b323-13f7-4347-a8ce-0a3f96c45d44/30373001-f456-486c-8552-a67068f7a009"
       (reference "R19") (unit 1) (value "1.6") (footprint "Resistor_SMD:R_1206_3216Metric")
@@ -3822,7 +3822,7 @@
       (reference "R20") (unit 1) (value "100") (footprint "Resistor_SMD:R_0603_1608Metric")
     )
     (path "/a5f417c9-09b7-4103-a9bc-767ebcf97650/28371581-b085-414b-bbe0-1964cf2863a2"
-      (reference "R21") (unit 1) (value "1k") (footprint "Resistor_SMD:R_0603_1608Metric")
+      (reference "R21") (unit 1) (value "100") (footprint "Resistor_SMD:R_0603_1608Metric")
     )
     (path "/a5f417c9-09b7-4103-a9bc-767ebcf97650/30373001-f456-486c-8552-a67068f7a009"
       (reference "R22") (unit 1) (value "1.6") (footprint "Resistor_SMD:R_1206_3216Metric")
@@ -3831,7 +3831,7 @@
       (reference "R23") (unit 1) (value "100") (footprint "Resistor_SMD:R_0603_1608Metric")
     )
     (path "/41c6dc95-230a-4992-8ca4-7f36f4bdcf94/28371581-b085-414b-bbe0-1964cf2863a2"
-      (reference "R24") (unit 1) (value "1k") (footprint "Resistor_SMD:R_0603_1608Metric")
+      (reference "R24") (unit 1) (value "100") (footprint "Resistor_SMD:R_0603_1608Metric")
     )
     (path "/41c6dc95-230a-4992-8ca4-7f36f4bdcf94/30373001-f456-486c-8552-a67068f7a009"
       (reference "R25") (unit 1) (value "1.6") (footprint "Resistor_SMD:R_1206_3216Metric")
@@ -3848,41 +3848,41 @@
     (path "/62cf0a26-9096-4000-923a-60daf3aa23f8"
       (reference "U3") (unit 1) (value "STM8S003K3T") (footprint "Package_QFP:LQFP-32_7x7mm_P0.8mm")
     )
-    (path "/d33c1df4-7e91-4c8a-86ff-6749f0933357/f86b973b-bbe4-4041-8efe-650ad5189085"
-      (reference "U4") (unit 1) (value "WAS3157B") (footprint "Package_TO_SOT_SMD:SOT-363_SC-70-6")
-    )
     (path "/d33c1df4-7e91-4c8a-86ff-6749f0933357/dd58ff45-8682-4c68-9b58-6c676bdc956a"
       (reference "U5") (unit 1) (value "FL7760") (footprint "Package_TO_SOT_SMD:SOT-23-6")
     )
-    (path "/ec392c76-0785-4274-a56a-aeb995601b34/f86b973b-bbe4-4041-8efe-650ad5189085"
-      (reference "U6") (unit 1) (value "WAS3157B") (footprint "Package_TO_SOT_SMD:SOT-363_SC-70-6")
-    )
     (path "/ec392c76-0785-4274-a56a-aeb995601b34/dd58ff45-8682-4c68-9b58-6c676bdc956a"
       (reference "U7") (unit 1) (value "FL7760") (footprint "Package_TO_SOT_SMD:SOT-23-6")
     )
-    (path "/0f2c710f-e0cf-4531-985d-317b699b8a1b/f86b973b-bbe4-4041-8efe-650ad5189085"
-      (reference "U8") (unit 1) (value "WAS3157B") (footprint "Package_TO_SOT_SMD:SOT-363_SC-70-6")
-    )
     (path "/0f2c710f-e0cf-4531-985d-317b699b8a1b/dd58ff45-8682-4c68-9b58-6c676bdc956a"
       (reference "U9") (unit 1) (value "FL7760") (footprint "Package_TO_SOT_SMD:SOT-23-6")
     )
-    (path "/a672b323-13f7-4347-a8ce-0a3f96c45d44/f86b973b-bbe4-4041-8efe-650ad5189085"
-      (reference "U10") (unit 1) (value "WAS3157B") (footprint "Package_TO_SOT_SMD:SOT-363_SC-70-6")
-    )
     (path "/a672b323-13f7-4347-a8ce-0a3f96c45d44/dd58ff45-8682-4c68-9b58-6c676bdc956a"
       (reference "U11") (unit 1) (value "FL7760") (footprint "Package_TO_SOT_SMD:SOT-23-6")
     )
-    (path "/a5f417c9-09b7-4103-a9bc-767ebcf97650/f86b973b-bbe4-4041-8efe-650ad5189085"
-      (reference "U12") (unit 1) (value "WAS3157B") (footprint "Package_TO_SOT_SMD:SOT-363_SC-70-6")
-    )
     (path "/a5f417c9-09b7-4103-a9bc-767ebcf97650/dd58ff45-8682-4c68-9b58-6c676bdc956a"
       (reference "U13") (unit 1) (value "FL7760") (footprint "Package_TO_SOT_SMD:SOT-23-6")
     )
-    (path "/41c6dc95-230a-4992-8ca4-7f36f4bdcf94/f86b973b-bbe4-4041-8efe-650ad5189085"
-      (reference "U14") (unit 1) (value "WAS3157B") (footprint "Package_TO_SOT_SMD:SOT-363_SC-70-6")
-    )
     (path "/41c6dc95-230a-4992-8ca4-7f36f4bdcf94/dd58ff45-8682-4c68-9b58-6c676bdc956a"
       (reference "U15") (unit 1) (value "FL7760") (footprint "Package_TO_SOT_SMD:SOT-23-6")
     )
+    (path "/a5f417c9-09b7-4103-a9bc-767ebcf97650/958e95e5-02d0-4ace-ac52-862aac7a07d7"
+      (reference "U?") (unit 1) (value "BL1551B") (footprint "")
+    )
+    (path "/ec392c76-0785-4274-a56a-aeb995601b34/958e95e5-02d0-4ace-ac52-862aac7a07d7"
+      (reference "U?") (unit 1) (value "BL1551B") (footprint "")
+    )
+    (path "/41c6dc95-230a-4992-8ca4-7f36f4bdcf94/958e95e5-02d0-4ace-ac52-862aac7a07d7"
+      (reference "U?") (unit 1) (value "BL1551B") (footprint "")
+    )
+    (path "/0f2c710f-e0cf-4531-985d-317b699b8a1b/958e95e5-02d0-4ace-ac52-862aac7a07d7"
+      (reference "U?") (unit 1) (value "BL1551B") (footprint "")
+    )
+    (path "/d33c1df4-7e91-4c8a-86ff-6749f0933357/958e95e5-02d0-4ace-ac52-862aac7a07d7"
+      (reference "U?") (unit 1) (value "BL1551B") (footprint "")
+    )
+    (path "/a672b323-13f7-4347-a8ce-0a3f96c45d44/958e95e5-02d0-4ace-ac52-862aac7a07d7"
+      (reference "U?") (unit 1) (value "BL1551B") (footprint "")
+    )
   )
 )
diff --git a/pcb/fiatlux_cc48_channel_driver.kicad_sch b/pcb/fiatlux_cc48_channel_driver.kicad_sch
index e785295..1ec488f 100644
--- a/pcb/fiatlux_cc48_channel_driver.kicad_sch
+++ b/pcb/fiatlux_cc48_channel_driver.kicad_sch
@@ -596,48 +596,60 @@
         )
       )
     )
-    (symbol "Library:WAS3157B" (in_bom yes) (on_board yes)
+    (symbol "library:BL1551B" (in_bom yes) (on_board yes)
       (property "Reference" "U" (id 0) (at 0 -1.27 0)
         (effects (font (size 1.27 1.27)))
       )
-      (property "Value" "WAS3157B" (id 1) (at 0 1.27 0)
+      (property "Value" "BL1551B" (id 1) (at 0 1.27 0)
         (effects (font (size 1.27 1.27)))
       )
-      (property "Footprint" "" (id 2) (at -19.05 -6.35 0)
+      (property "Footprint" "" (id 2) (at 0 0 0)
         (effects (font (size 1.27 1.27)) hide)
       )
-      (property "Datasheet" "" (id 3) (at -19.05 -6.35 0)
+      (property "Datasheet" "" (id 3) (at 0 0 0)
         (effects (font (size 1.27 1.27)) hide)
       )
-      (symbol "WAS3157B_0_1"
-        (rectangle (start -6.35 6.35) (end 6.35 -6.35)
+      (symbol "BL1551B_0_1"
+        (rectangle (start 6.35 7.62) (end -6.35 -7.62)
           (stroke (width 0.1524) (type default) (color 0 0 0 0))
           (fill (type background))
         )
+        (rectangle (start 10.16 -10.16) (end 10.16 -10.16)
+          (stroke (width 0.1524) (type default) (color 0 0 0 0))
+          (fill (type none))
+        )
+        (rectangle (start 10.16 -10.16) (end 10.16 -10.16)
+          (stroke (width 0.1524) (type default) (color 0 0 0 0))
+          (fill (type none))
+        )
+        (rectangle (start 10.16 -10.16) (end 10.16 -10.16)
+          (stroke (width 0.1524) (type default) (color 0 0 0 0))
+          (fill (type none))
+        )
       )
-      (symbol "WAS3157B_1_1"
-        (pin input line (at 8.89 3.81 180) (length 2.54)
-          (name "B1" (effects (font (size 1.27 1.27))))
+      (symbol "BL1551B_1_1"
+        (pin bidirectional line (at -8.89 3.81 0) (length 2.54)
+          (name "A1" (effects (font (size 1.27 1.27))))
           (number "1" (effects (font (size 1.27 1.27))))
         )
-        (pin input line (at 0 -8.89 90) (length 2.54)
+        (pin power_in line (at 0 -10.16 90) (length 2.54)
           (name "GND" (effects (font (size 1.27 1.27))))
           (number "2" (effects (font (size 1.27 1.27))))
         )
-        (pin input line (at 8.89 -3.81 180) (length 2.54)
-          (name "B0" (effects (font (size 1.27 1.27))))
+        (pin bidirectional line (at -8.89 -3.81 0) (length 2.54)
+          (name "A2" (effects (font (size 1.27 1.27))))
           (number "3" (effects (font (size 1.27 1.27))))
         )
-        (pin input line (at -8.89 3.81 0) (length 2.54)
-          (name "A" (effects (font (size 1.27 1.27))))
+        (pin bidirectional line (at 8.89 -3.81 180) (length 2.54)
+          (name "B" (effects (font (size 1.27 1.27))))
           (number "4" (effects (font (size 1.27 1.27))))
         )
-        (pin input line (at 0 8.89 270) (length 2.54)
+        (pin power_in line (at 0 10.16 270) (length 2.54)
           (name "VCC" (effects (font (size 1.27 1.27))))
           (number "5" (effects (font (size 1.27 1.27))))
         )
-        (pin input line (at -8.89 -3.81 0) (length 2.54)
-          (name "SEL" (effects (font (size 1.27 1.27))))
+        (pin input line (at 8.89 3.81 180) (length 2.54)
+          (name "ENB" (effects (font (size 1.27 1.27))))
           (number "6" (effects (font (size 1.27 1.27))))
         )
       )
@@ -831,11 +843,6 @@
     (stroke (width 0) (type default) (color 0 0 0 0))
     (uuid 11fc9004-7d4d-4e10-8d6f-039411f5d6b9)
   )
-
-  (wire (pts (xy 90.17 107.95) (xy 90.17 106.68))
-    (stroke (width 0) (type default) (color 0 0 0 0))
-    (uuid 1fe20705-4cbc-49b3-b915-ba3860c21876)
-  )
   (polyline (pts (xy 73.66 114.3) (xy 52.07 114.3))
     (stroke (width 0) (type default) (color 0 0 0 0))
     (uuid 206d92a0-5181-4650-b311-8aef8bc64aa8)
@@ -845,7 +852,7 @@
     (stroke (width 0) (type default) (color 0 0 0 0))
     (uuid 25ee388c-d6a0-4d5e-a6eb-e6915cc4c858)
   )
-  (polyline (pts (xy 115.57 88.9) (xy 83.82 88.9))
+  (polyline (pts (xy 115.57 87.63) (xy 83.82 87.63))
     (stroke (width 0) (type default) (color 0 0 0 0))
     (uuid 26233592-bf68-4e18-a1b8-feeb2ca127c0)
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@@ -853,11 +860,15 @@
     (stroke (width 0) (type default) (color 0 0 0 0))
     (uuid 2ed98d99-4472-4b3b-9f02-edc4ecbe7eb4)
   )
-  (polyline (pts (xy 83.82 88.9) (xy 83.82 121.92))
+  (polyline (pts (xy 83.82 87.63) (xy 83.82 121.92))
     (stroke (width 0) (type default) (color 0 0 0 0))
     (uuid 36a79e11-f5fc-4a88-adfe-316a49d3df96)
   )
 
+  (wire (pts (xy 87.63 106.68) (xy 87.63 107.95))
+    (stroke (width 0) (type default) (color 0 0 0 0))
+    (uuid 3d2747e8-a65d-4e63-bf8c-9c98baf0e45b)
+  )
   (wire (pts (xy 149.86 73.66) (xy 149.86 82.55))
     (stroke (width 0) (type default) (color 0 0 0 0))
     (uuid 41b08c1e-8e5e-4e76-a857-4a9c4424dd92)
@@ -929,7 +940,7 @@
     (stroke (width 0) (type default) (color 0 0 0 0))
     (uuid be36da79-5329-4fd0-bf9e-2a207ac7374e)
   )
-  (wire (pts (xy 91.44 106.68) (xy 90.17 106.68))
+  (wire (pts (xy 87.63 106.68) (xy 91.44 106.68))
     (stroke (width 0) (type default) (color 0 0 0 0))
     (uuid cdccd26b-7b7d-497b-979d-3455097005a1)
   )
@@ -987,7 +998,7 @@
     (uuid ff660715-7eab-4c58-b2d8-1f0e378d8a76)
   )
 
-  (text "ANALOG PWM SWITCH" (at 83.82 88.9 0)
+  (text "ANALOG PWM SWITCH" (at 83.82 87.63 0)
     (effects (font (size 1.27 1.27)) (justify left bottom))
     (uuid 309b7a2c-5f84-4f52-8055-bb1e7a647833)
   )
@@ -1096,19 +1107,19 @@
     (pin "2" (uuid d7feaeca-c1ec-4e1f-aa08-5b8014528f8a))
   )
 
-  (symbol (lib_id "Device:R") (at 90.17 111.76 0) (mirror y) (unit 1)
+  (symbol (lib_id "Device:R") (at 87.63 111.76 0) (mirror y) (unit 1)
     (in_bom yes) (on_board yes) (fields_autoplaced)
     (uuid 28371581-b085-414b-bbe0-1964cf2863a2)
-    (property "Reference" "R12" (id 0) (at 88.392 110.8515 0)
-      (effects (font (size 1.27 1.27)) (justify left))
+    (property "Reference" "R12" (id 0) (at 89.408 110.9253 0)
+      (effects (font (size 1.27 1.27)) (justify right))
     )
-    (property "Value" "1k" (id 1) (at 88.392 113.6266 0)
-      (effects (font (size 1.27 1.27)) (justify left))
+    (property "Value" "100" (id 1) (at 89.408 113.4622 0)
+      (effects (font (size 1.27 1.27)) (justify right))
     )
-    (property "Footprint" "Resistor_SMD:R_0603_1608Metric" (id 2) (at 91.948 111.76 90)
+    (property "Footprint" "Resistor_SMD:R_0603_1608Metric" (id 2) (at 89.408 111.76 90)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "Datasheet" "~" (id 3) (at 90.17 111.76 0)
+    (property "Datasheet" "~" (id 3) (at 87.63 111.76 0)
       (effects (font (size 1.27 1.27)) hide)
     )
     (pin "1" (uuid f73dc082-0fa3-4b88-8aed-ee068dd803f6))
@@ -1274,6 +1285,25 @@
     (pin "2" (uuid 21ad3703-8b23-4bb5-8bb2-e4e3281048dc))
   )
 
+  (symbol (lib_id "library:BL1551B") (at 100.33 102.87 0) (unit 1)
+    (in_bom yes) (on_board yes)
+    (uuid 958e95e5-02d0-4ace-ac52-862aac7a07d7)
+    (property "Reference" "U?" (id 0) (at 100.33 101.6 0))
+    (property "Value" "BL1551B" (id 1) (at 100.33 104.14 0))
+    (property "Footprint" "" (id 2) (at 100.33 102.87 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Datasheet" "" (id 3) (at 100.33 102.87 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (pin "1" (uuid 96fd0774-93fd-4112-8a66-a3eb3e9bf650))
+    (pin "2" (uuid e5110696-de5a-49cf-a4d3-4280c45ee181))
+    (pin "3" (uuid bcd5923b-c1b8-487d-9a37-e488ce3d3515))
+    (pin "4" (uuid 0dccee1b-71ff-4c47-887d-1c608e513879))
+    (pin "5" (uuid 0f2398ba-41a9-417d-98d8-60172bd84c63))
+    (pin "6" (uuid c0df4bce-baf2-4f56-b08b-3646eda63f91))
+  )
+
   (symbol (lib_id "Device:NetTie_2") (at 146.05 58.42 90) (unit 1)
     (in_bom yes) (on_board yes) (fields_autoplaced)
     (uuid b01f9676-1c70-4d30-9cab-c3b74551b840)
@@ -1293,17 +1323,17 @@
     (pin "2" (uuid 2d804580-45d8-4d5b-af99-e9291a298cf1))
   )
 
-  (symbol (lib_id "power:GND") (at 100.33 111.76 0) (unit 1)
+  (symbol (lib_id "power:GND") (at 100.33 113.03 0) (unit 1)
     (in_bom yes) (on_board yes) (fields_autoplaced)
     (uuid b226a041-a7ec-42f9-8871-339a0bba8fd1)
-    (property "Reference" "#PWR045" (id 0) (at 100.33 118.11 0)
+    (property "Reference" "#PWR045" (id 0) (at 100.33 119.38 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "Value" "GND" (id 1) (at 100.33 116.3225 0))
-    (property "Footprint" "" (id 2) (at 100.33 111.76 0)
+    (property "Value" "GND" (id 1) (at 100.33 117.5925 0))
+    (property "Footprint" "" (id 2) (at 100.33 113.03 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "Datasheet" "" (id 3) (at 100.33 111.76 0)
+    (property "Datasheet" "" (id 3) (at 100.33 113.03 0)
       (effects (font (size 1.27 1.27)) hide)
     )
     (pin "1" (uuid fcb4d5e4-47ec-4be4-9a81-c261c8e6d062))
@@ -1325,17 +1355,17 @@
     (pin "1" (uuid ecc5e3a2-71e3-4b58-908c-889b7c99c314))
   )
 
-  (symbol (lib_id "power:GND") (at 90.17 115.57 0) (mirror y) (unit 1)
+  (symbol (lib_id "power:GND") (at 87.63 115.57 0) (mirror y) (unit 1)
     (in_bom yes) (on_board yes) (fields_autoplaced)
     (uuid c0681a22-af4a-47ff-a80a-f553410f14c6)
-    (property "Reference" "#PWR043" (id 0) (at 90.17 121.92 0)
+    (property "Reference" "#PWR043" (id 0) (at 87.63 121.92 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "Value" "GND" (id 1) (at 90.17 120.1325 0))
-    (property "Footprint" "" (id 2) (at 90.17 115.57 0)
+    (property "Value" "GND" (id 1) (at 87.63 120.1325 0))
+    (property "Footprint" "" (id 2) (at 87.63 115.57 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "Datasheet" "" (id 3) (at 90.17 115.57 0)
+    (property "Datasheet" "" (id 3) (at 87.63 115.57 0)
       (effects (font (size 1.27 1.27)) hide)
     )
     (pin "1" (uuid ec0a8fe5-766f-4afc-8ea4-bd6055f7e316))
@@ -1344,10 +1374,10 @@
   (symbol (lib_id "Device:L_Ferrite") (at 162.56 88.9 0) (unit 1)
     (in_bom yes) (on_board yes) (fields_autoplaced)
     (uuid c4a8317f-0ec5-42b5-bb36-e799c3b9465f)
-    (property "Reference" "L2" (id 0) (at 164.719 87.9915 0)
+    (property "Reference" "L2" (id 0) (at 164.719 88.0653 0)
       (effects (font (size 1.27 1.27)) (justify left))
     )
-    (property "Value" "L_Ferrite" (id 1) (at 164.719 90.7666 0)
+    (property "Value" "680µ" (id 1) (at 164.719 90.6022 0)
       (effects (font (size 1.27 1.27)) (justify left))
     )
     (property "Footprint" "Inductor_SMD:L_12x12mm_H8mm" (id 2) (at 162.56 88.9 0)
@@ -1376,17 +1406,17 @@
     (pin "1" (uuid 49523718-255c-4ade-bb94-e7f2369bdc32))
   )
 
-  (symbol (lib_id "power:+3V3") (at 100.33 93.98 0) (unit 1)
-    (in_bom yes) (on_board yes) (fields_autoplaced)
+  (symbol (lib_id "power:+3V3") (at 100.33 92.71 0) (unit 1)
+    (in_bom yes) (on_board yes)
     (uuid d6594617-1361-4a74-9b3a-a5c3d0392c3b)
-    (property "Reference" "#PWR044" (id 0) (at 100.33 97.79 0)
+    (property "Reference" "#PWR044" (id 0) (at 100.33 96.52 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "Value" "+3V3" (id 1) (at 100.33 90.3755 0))
-    (property "Footprint" "" (id 2) (at 100.33 93.98 0)
+    (property "Value" "+3V3" (id 1) (at 100.33 89.1055 0))
+    (property "Footprint" "" (id 2) (at 100.33 92.71 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "Datasheet" "" (id 3) (at 100.33 93.98 0)
+    (property "Datasheet" "" (id 3) (at 100.33 92.71 0)
       (effects (font (size 1.27 1.27)) hide)
     )
     (pin "1" (uuid 99d670fb-f510-4172-9529-dcc11191021e))
@@ -1445,27 +1475,4 @@
     )
     (pin "1" (uuid 9acc2439-42f3-4630-ac23-4b95b855c757))
   )
-
-  (symbol (lib_id "Library:WAS3157B") (at 100.33 102.87 0) (mirror y) (unit 1)
-    (in_bom yes) (on_board yes)
-    (uuid f86b973b-bbe4-4041-8efe-650ad5189085)
-    (property "Reference" "U6" (id 0) (at 98.3106 92.6043 0)
-      (effects (font (size 1.27 1.27)) (justify left))
-    )
-    (property "Value" "WAS3157B" (id 1) (at 98.3106 95.3794 0)
-      (effects (font (size 1.27 1.27)) (justify left))
-    )
-    (property "Footprint" "Package_TO_SOT_SMD:SOT-363_SC-70-6" (id 2) (at 119.38 109.22 0)
-      (effects (font (size 1.27 1.27)) hide)
-    )
-    (property "Datasheet" "" (id 3) (at 119.38 109.22 0)
-      (effects (font (size 1.27 1.27)) hide)
-    )
-    (pin "1" (uuid e89c0ae2-6207-4343-854e-c86da645acf1))
-    (pin "2" (uuid bddf42b2-927e-4876-b12d-d6d61544b245))
-    (pin "3" (uuid 0ee8b487-df95-43ef-b2ec-24ddab4f785b))
-    (pin "4" (uuid 0342113e-f65a-4afb-8dc3-cda915541cdc))
-    (pin "5" (uuid 7b2ce7bf-6f87-4110-8b75-6f1d47eab8a2))
-    (pin "6" (uuid 30222d6e-d866-4172-83cf-5f34ec45e625))
-  )
 )
diff --git a/pcb/library.kicad_sym b/pcb/library.kicad_sym
new file mode 100644
index 0000000..26c318a
--- /dev/null
+++ b/pcb/library.kicad_sym
@@ -0,0 +1,60 @@
+(kicad_symbol_lib (version 20211014) (generator kicad_symbol_editor)
+  (symbol "BL1551B" (in_bom yes) (on_board yes)
+    (property "Reference" "U" (id 0) (at 0 -1.27 0)
+      (effects (font (size 1.27 1.27)))
+    )
+    (property "Value" "BL1551B" (id 1) (at 0 1.27 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" "" (id 3) (at 0 0 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (symbol "BL1551B_0_1"
+      (rectangle (start 6.35 7.62) (end -6.35 -7.62)
+        (stroke (width 0.1524) (type default) (color 0 0 0 0))
+        (fill (type background))
+      )
+      (rectangle (start 10.16 -10.16) (end 10.16 -10.16)
+        (stroke (width 0.1524) (type default) (color 0 0 0 0))
+        (fill (type none))
+      )
+      (rectangle (start 10.16 -10.16) (end 10.16 -10.16)
+        (stroke (width 0.1524) (type default) (color 0 0 0 0))
+        (fill (type none))
+      )
+      (rectangle (start 10.16 -10.16) (end 10.16 -10.16)
+        (stroke (width 0.1524) (type default) (color 0 0 0 0))
+        (fill (type none))
+      )
+    )
+    (symbol "BL1551B_1_1"
+      (pin bidirectional line (at -8.89 3.81 0) (length 2.54)
+        (name "A1" (effects (font (size 1.27 1.27))))
+        (number "1" (effects (font (size 1.27 1.27))))
+      )
+      (pin power_in line (at 0 -10.16 90) (length 2.54)
+        (name "GND" (effects (font (size 1.27 1.27))))
+        (number "2" (effects (font (size 1.27 1.27))))
+      )
+      (pin bidirectional line (at -8.89 -3.81 0) (length 2.54)
+        (name "A2" (effects (font (size 1.27 1.27))))
+        (number "3" (effects (font (size 1.27 1.27))))
+      )
+      (pin bidirectional line (at 8.89 -3.81 180) (length 2.54)
+        (name "B" (effects (font (size 1.27 1.27))))
+        (number "4" (effects (font (size 1.27 1.27))))
+      )
+      (pin power_in line (at 0 10.16 270) (length 2.54)
+        (name "VCC" (effects (font (size 1.27 1.27))))
+        (number "5" (effects (font (size 1.27 1.27))))
+      )
+      (pin input line (at 8.89 3.81 180) (length 2.54)
+        (name "ENB" (effects (font (size 1.27 1.27))))
+        (number "6" (effects (font (size 1.27 1.27))))
+      )
+    )
+  )
+)
diff --git a/pcb/sym-lib-table b/pcb/sym-lib-table
new file mode 100644
index 0000000..e02e1e9
--- /dev/null
+++ b/pcb/sym-lib-table
@@ -0,0 +1,3 @@
+(sym_lib_table
+  (lib (name "library")(type "KiCad")(uri "${KIPRJMOD}/library.kicad_sym")(options "")(descr ""))
+)