diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..5551f23
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,9 @@
+*~
+*.bak
+*.bck
+*-cache.lib
+*.kicad_pcb-bak
+*.dcm
+*.pho
+*.drl
+.dropbox.attr
diff --git a/kicad/stm32/elements.bck b/kicad/stm32/elements.bck
index 79c8d04..91d282f 100644
--- a/kicad/stm32/elements.bck
+++ b/kicad/stm32/elements.bck
@@ -1,12 +1,22 @@
 EESchema-DOCLIB  Version 2.0
 #
+$CMP 74HC4051
+D Multiplexer 8 to 1
+K TTL MUX8
+$ENDCMP
+#
 $CMP D_Schottky_x2_ACom_AKK
 D Dual schottky diode, common anode
 K diode
 $ENDCMP
 #
 $CMP PESD1CAN
-D Dual schottky diode, common anode
+D CAN bus ESD protection
+K diode
+$ENDCMP
+#
+$CMP USB6B1
+D USB bus ESD protection
 K diode
 $ENDCMP
 #
diff --git a/kicad/stm32/elements.dcm b/kicad/stm32/elements.dcm
index fa6d454..91d282f 100644
--- a/kicad/stm32/elements.dcm
+++ b/kicad/stm32/elements.dcm
@@ -1,5 +1,10 @@
 EESchema-DOCLIB  Version 2.0
 #
+$CMP 74HC4051
+D Multiplexer 8 to 1
+K TTL MUX8
+$ENDCMP
+#
 $CMP D_Schottky_x2_ACom_AKK
 D Dual schottky diode, common anode
 K diode
@@ -10,4 +15,9 @@ D CAN bus ESD protection
 K diode
 $ENDCMP
 #
+$CMP USB6B1
+D USB bus ESD protection
+K diode
+$ENDCMP
+#
 #End Doc Library
diff --git a/kicad/stm32/elements.lib b/kicad/stm32/elements.lib
index 35aa329..e6982d8 100644
--- a/kicad/stm32/elements.lib
+++ b/kicad/stm32/elements.lib
@@ -1,6 +1,40 @@
 EESchema-LIBRARY Version 2.3
 #encoding utf-8
 #
+# 74HC4051
+#
+DEF 74HC4051 U 0 10 Y Y 1 F N
+F0 "U" 0 0 50 H V C CNN
+F1 "74HC4051" 0 -150 50 H V C CNN
+F2 "" 0 0 50 H V C CNN
+F3 "" 0 0 50 H V C CNN
+$FPLIST
+ SO16
+ TSSOP16
+ SSOP16
+ DHVQFN16
+$ENDFPLIST
+DRAW
+S -400 450 400 -450 0 1 0 N
+X Y4 1 700 -50 300 L 50 50 1 1 B
+X Y6 2 700 -250 300 L 50 50 1 1 B
+X Z 3 0 -750 300 U 50 50 1 1 B
+X Y7 4 700 -350 300 L 50 50 1 1 B
+X Y5 5 700 -150 300 L 50 50 1 1 B
+X ~E 6 -700 -350 300 R 50 50 1 1 I I
+X VEE 7 -700 0 300 R 50 50 1 1 W
+X GND 8 -700 -200 300 R 50 50 1 1 W
+X S2 9 -700 150 300 R 50 50 1 1 I
+X S1 10 -700 250 300 R 50 50 1 1 I
+X S0 11 -700 350 300 R 50 50 1 1 I
+X Y3 12 700 50 300 L 50 50 1 1 B
+X Y0 13 700 350 300 L 50 50 1 1 B
+X Y1 14 700 250 300 L 50 50 1 1 B
+X Y2 15 700 150 300 L 50 50 1 1 B
+X VCC 16 -700 -100 300 R 50 50 1 1 W
+ENDDRAW
+ENDDEF
+#
 # D_Schottky_x2_ACom_AKK
 #
 DEF D_Schottky_x2_ACom_AKK D 0 30 Y N 1 F N
@@ -62,4 +96,54 @@ X O 3 400 -100 150 L 50 50 0 1 P
 ENDDRAW
 ENDDEF
 #
+# USB6B1
+#
+DEF USB6B1 D 0 30 Y N 1 F N
+F0 "D" 0 -450 50 H V C CNN
+F1 "USB6B1" 0 400 50 H V C CNN
+F2 "" 200 -100 50 V V C CNN
+F3 "" 200 -100 50 V V C CNN
+$FPLIST
+ SO8
+$ENDFPLIST
+DRAW
+C -150 -300 7 0 1 0 N
+C -150 100 7 0 1 0 N
+C -150 300 7 0 1 0 N
+C 0 -300 7 0 1 0 N
+C 0 -100 7 0 1 0 N
+C 0 300 7 0 1 0 N
+C 200 -300 7 0 1 0 N
+C 200 300 7 0 1 0 N
+S -300 -100 300 -100 0 1 0 N
+S -300 300 300 300 0 1 0 N
+S -200 -150 -100 -150 0 1 0 N
+S -200 250 -100 250 0 1 0 N
+S -150 300 -150 -300 0 1 0 N
+S -50 -150 50 -150 0 1 0 N
+S -50 250 50 250 0 1 0 N
+S 0 300 0 -300 0 1 0 N
+S 200 300 200 -300 0 1 0 N
+S 300 -300 -300 -300 0 1 0 N
+S 300 100 -300 100 0 1 0 N
+P 3 0 1 8 150 50 250 50 250 50 N
+P 4 0 1 8 150 50 150 30 160 30 160 30 N
+P 4 0 1 8 250 50 250 70 240 70 240 70 N
+P 5 0 1 0 -250 350 300 350 300 -350 -250 -350 -250 350 N
+P 6 0 1 8 -200 -250 -150 -150 -100 -250 -200 -250 -200 -250 -200 -250 N
+P 6 0 1 8 -200 150 -150 250 -100 150 -200 150 -200 150 -200 150 N
+P 6 0 1 8 -50 -250 0 -150 50 -250 -50 -250 -50 -250 -50 -250 N
+P 6 0 1 8 -50 150 0 250 50 150 -50 150 -50 150 -50 150 N
+P 6 0 1 8 150 -50 200 50 250 -50 150 -50 150 -50 150 -50 N
+X VCC 1 -500 300 200 R 50 50 1 1 W
+X I/O1 2 -500 100 200 R 50 50 1 1 B
+X I/O2 3 -500 -100 200 R 50 50 1 1 B
+X GND 4 -500 -300 200 R 50 50 1 1 W
+X GND 5 500 -300 200 L 50 50 1 1 W
+X I/O2 6 500 -100 200 L 50 50 1 1 B
+X I/O1 7 500 100 200 L 50 50 1 1 B
+X VCC 8 500 300 200 L 50 50 1 1 W
+ENDDRAW
+ENDDEF
+#
 #End Library
diff --git a/kicad/stm32/fp-lib-table b/kicad/stm32/fp-lib-table
new file mode 100644
index 0000000..9831fe1
--- /dev/null
+++ b/kicad/stm32/fp-lib-table
@@ -0,0 +1,3 @@
+(fp_lib_table
+  (lib (name my_footprints)(type KiCad)(uri "$(KIPRJMOD)/my_footprints.pretty")(options "")(descr ""))
+)
diff --git a/kicad/stm32/my_footprints.pretty/RJ9-4P4C.kicad_mod b/kicad/stm32/my_footprints.pretty/RJ9-4P4C.kicad_mod
new file mode 100644
index 0000000..566b04b
--- /dev/null
+++ b/kicad/stm32/my_footprints.pretty/RJ9-4P4C.kicad_mod
@@ -0,0 +1,31 @@
+(module RJ9-4P4C (layer F.Cu) (tedit 555F7A30)
+  (fp_text reference J** (at 0 -10.1346) (layer F.SilkS)
+    (effects (font (size 1 1) (thickness 0.15)))
+  )
+  (fp_text value RJ9-4P4C (at 0 10.2108) (layer F.Fab) hide
+    (effects (font (size 1 1) (thickness 0.15)))
+  )
+  (fp_circle (center 0 0) (end -0.25 0) (layer F.CrtYd) (width 0.05))
+  (fp_line (start -5.84 -9.25) (end 5.84 -9.25) (layer F.CrtYd) (width 0.05))
+  (fp_line (start 5.84 -9.25) (end 5.84 9.25) (layer F.CrtYd) (width 0.05))
+  (fp_line (start 5.84 9.25) (end -5.84 9.25) (layer F.CrtYd) (width 0.05))
+  (fp_line (start -5.84 9.25) (end -5.84 -9.25) (layer F.CrtYd) (width 0.05))
+  (fp_line (start 0 -0.35) (end 0 0.35) (layer F.CrtYd) (width 0.05))
+  (fp_line (start -0.35 0) (end 0.35 0) (layer F.CrtYd) (width 0.05))
+  (fp_line (start -5.59 9) (end -5.59 -9) (layer F.Fab) (width 0.12))
+  (fp_line (start -5.59 -9) (end 5.59 -9) (layer F.Fab) (width 0.12))
+  (fp_line (start 5.59 -9) (end 5.59 9) (layer F.Fab) (width 0.12))
+  (fp_line (start 5.59 9) (end -5.59 9) (layer F.Fab) (width 0.12))
+  (fp_line (start -5.59 8.8) (end -5.59 -9) (layer F.SilkS) (width 0.12))
+  (fp_line (start -5.59 -9) (end 5.59 -9) (layer F.SilkS) (width 0.12))
+  (fp_line (start 5.59 -9) (end 5.59 8.8) (layer F.SilkS) (width 0.12))
+  (fp_circle (center 3.81 1.15) (end 5.75 1.15) (layer B.CrtYd) (width 0.05))
+  (fp_circle (center -3.81 1.15) (end -5.75 1.15) (layer B.CrtYd) (width 0.05))
+  (fp_circle (center -1.905 -6.12) (end -1.805 -6.12) (layer F.SilkS) (width 0.2))
+  (pad 1 thru_hole circle (at -1.905 -5.2) (size 1.2 1.2) (drill 0.8) (layers *.Cu *.Mask))
+  (pad 2 thru_hole circle (at -0.635 -7.74) (size 1.2 1.2) (drill 0.8) (layers *.Cu *.Mask))
+  (pad 3 thru_hole circle (at 0.635 -5.2) (size 1.2 1.2) (drill 0.8) (layers *.Cu *.Mask))
+  (pad 4 thru_hole circle (at 1.905 -7.74) (size 1.2 1.2) (drill 0.8) (layers *.Cu *.Mask))
+  (pad "" np_thru_hole circle (at -3.81 1.15) (size 3.2 3.2) (drill 3.2) (layers *.Cu *.Mask))
+  (pad "" np_thru_hole circle (at 3.81 1.15) (size 3.2 3.2) (drill 3.2) (layers *.Cu *.Mask))
+)
diff --git a/kicad/stm32/my_footprints.pretty/SMD_conn_4x2.5mm.kicad_mod b/kicad/stm32/my_footprints.pretty/SMD_conn_4x2.5mm.kicad_mod
new file mode 100644
index 0000000..3c4cbd2
--- /dev/null
+++ b/kicad/stm32/my_footprints.pretty/SMD_conn_4x2.5mm.kicad_mod
@@ -0,0 +1,12 @@
+(module SMD_conn_4x2.5mm (layer F.Cu) (tedit 58B86145)
+  (fp_text reference REF** (at 0 3.81) (layer F.SilkS)
+    (effects (font (size 1 1) (thickness 0.15)))
+  )
+  (fp_text value SMD_conn_4x2.5mm (at 0 -3.81) (layer F.Fab)
+    (effects (font (size 1 1) (thickness 0.15)))
+  )
+  (pad 1 smd rect (at -3.81 0) (size 1.5 5) (layers F.Cu F.Paste F.Mask))
+  (pad 2 smd rect (at -1.27 0) (size 1.5 5) (layers F.Cu F.Paste F.Mask))
+  (pad 3 smd rect (at 1.27 0) (size 1.5 5) (layers F.Cu F.Paste F.Mask))
+  (pad 4 smd rect (at 3.81 0) (size 1.5 5) (layers F.Cu F.Paste F.Mask))
+)
diff --git a/kicad/stm32/stm32-cache.lib b/kicad/stm32/stm32-cache.lib
index f4ee750..dda77e4 100644
--- a/kicad/stm32/stm32-cache.lib
+++ b/kicad/stm32/stm32-cache.lib
@@ -32,6 +32,40 @@ X +5V 1 0 0 0 U 50 50 1 1 W N
 ENDDRAW
 ENDDEF
 #
+# 74HC4051
+#
+DEF 74HC4051 U 0 10 Y Y 1 F N
+F0 "U" 0 0 50 H V C CNN
+F1 "74HC4051" 0 -150 50 H V C CNN
+F2 "" 0 0 50 H V C CNN
+F3 "" 0 0 50 H V C CNN
+$FPLIST
+ SO16
+ TSSOP16
+ SSOP16
+ DHVQFN16
+$ENDFPLIST
+DRAW
+S -400 450 400 -450 0 1 0 N
+X Y4 1 700 -50 300 L 50 50 1 1 B
+X Y6 2 700 -250 300 L 50 50 1 1 B
+X Z 3 0 -750 300 U 50 50 1 1 B
+X Y7 4 700 -350 300 L 50 50 1 1 B
+X Y5 5 700 -150 300 L 50 50 1 1 B
+X ~E 6 -700 -350 300 R 50 50 1 1 I I
+X VEE 7 -700 0 300 R 50 50 1 1 W
+X GND 8 -700 -200 300 R 50 50 1 1 W
+X S2 9 -700 150 300 R 50 50 1 1 I
+X S1 10 -700 250 300 R 50 50 1 1 I
+X S0 11 -700 350 300 R 50 50 1 1 I
+X Y3 12 700 50 300 L 50 50 1 1 B
+X Y0 13 700 350 300 L 50 50 1 1 B
+X Y1 14 700 250 300 L 50 50 1 1 B
+X Y2 15 700 150 300 L 50 50 1 1 B
+X VCC 16 -700 -100 300 R 50 50 1 1 W
+ENDDRAW
+ENDDEF
+#
 # C
 #
 DEF C C 0 10 N Y 1 F N
@@ -49,8 +83,32 @@ $ENDFPLIST
 DRAW
 P 2 0 1 20 -80 -30 80 -30 N
 P 2 0 1 20 -80 30 80 30 N
-X ~ 1 0 150 110 D 40 40 1 1 P
-X ~ 2 0 -150 110 U 40 40 1 1 P
+X ~ 1 0 150 110 D 50 50 1 1 P
+X ~ 2 0 -150 110 U 50 50 1 1 P
+ENDDRAW
+ENDDEF
+#
+# CONN_01X03
+#
+DEF CONN_01X03 P 0 40 Y N 1 F N
+F0 "P" 0 200 50 H V C CNN
+F1 "CONN_01X03" 100 0 50 V V C CNN
+F2 "" 0 0 50 H V C CNN
+F3 "" 0 0 50 H V C CNN
+$FPLIST
+ Pin_Header_Straight_1X03
+ Pin_Header_Angled_1X03
+ Socket_Strip_Straight_1X03
+ Socket_Strip_Angled_1X03
+$ENDFPLIST
+DRAW
+S -50 -95 10 -105 0 1 0 N
+S -50 5 10 -5 0 1 0 N
+S -50 105 10 95 0 1 0 N
+S -50 150 50 -150 0 1 0 N
+X P1 1 -200 100 150 R 50 50 1 1 P
+X P2 2 -200 0 150 R 50 50 1 1 P
+X P3 3 -200 -100 150 R 50 50 1 1 P
 ENDDRAW
 ENDDEF
 #
@@ -80,6 +138,40 @@ X P4 4 -200 -150 150 R 50 50 1 1 P
 ENDDRAW
 ENDDEF
 #
+# CONN_01X08
+#
+DEF CONN_01X08 P 0 40 Y N 1 F N
+F0 "P" 0 450 50 H V C CNN
+F1 "CONN_01X08" 100 0 50 V V C CNN
+F2 "" 0 0 50 H V C CNN
+F3 "" 0 0 50 H V C CNN
+$FPLIST
+ Pin_Header_Straight_1X08
+ Pin_Header_Angled_1X08
+ Socket_Strip_Straight_1X08
+ Socket_Strip_Angled_1X08
+$ENDFPLIST
+DRAW
+S -50 -400 50 400 0 1 0 N
+S -50 -345 10 -355 0 1 0 N
+S -50 -245 10 -255 0 1 0 N
+S -50 -145 10 -155 0 1 0 N
+S -50 -45 10 -55 0 1 0 N
+S -50 55 10 45 0 1 0 N
+S -50 155 10 145 0 1 0 N
+S -50 255 10 245 0 1 0 N
+S -50 355 10 345 0 1 0 N
+X P1 1 -200 350 150 R 50 50 1 1 P
+X P2 2 -200 250 150 R 50 50 1 1 P
+X P3 3 -200 150 150 R 50 50 1 1 P
+X P4 4 -200 50 150 R 50 50 1 1 P
+X P5 5 -200 -50 150 R 50 50 1 1 P
+X P6 6 -200 -150 150 R 50 50 1 1 P
+X P7 7 -200 -250 150 R 50 50 1 1 P
+X P8 8 -200 -350 150 R 50 50 1 1 P
+ENDDRAW
+ENDDEF
+#
 # CP
 #
 DEF CP C 0 10 N Y 1 F N
@@ -104,8 +196,29 @@ S 90 40 -90 40 0 1 0 N
 S 90 40 90 20 0 1 0 N
 P 2 0 1 0 -70 90 -30 90 N
 P 2 0 1 0 -50 110 -50 70 N
-X ~ 1 0 150 110 D 40 40 1 1 P
-X ~ 2 0 -150 110 U 40 40 1 1 P
+X ~ 1 0 150 110 D 50 50 1 1 P
+X ~ 2 0 -150 110 U 50 50 1 1 P
+ENDDRAW
+ENDDEF
+#
+# Crystal
+#
+DEF Crystal Y 0 40 N N 1 F N
+F0 "Y" 0 150 50 H V C CNN
+F1 "Crystal" 0 -150 50 H V C CNN
+F2 "" 0 0 50 H V C CNN
+F3 "" 0 0 50 H V C CNN
+$FPLIST
+ Crystal*
+$ENDFPLIST
+DRAW
+S -45 100 45 -100 0 1 12 N
+P 2 0 1 0 -100 0 -75 0 N
+P 2 0 1 20 -75 -50 -75 50 N
+P 2 0 1 20 75 -50 75 50 N
+P 2 0 1 0 100 0 75 0 N
+X 1 1 -150 0 50 R 50 50 1 1 P
+X 2 2 150 0 50 L 50 50 1 1 P
 ENDDRAW
 ENDDEF
 #
@@ -116,16 +229,42 @@ F0 "D" 0 100 50 H V C CNN
 F1 "D" 0 -100 50 H V C CNN
 F2 "" 0 0 50 H V C CNN
 F3 "" 0 0 50 H V C CNN
+$FPLIST
+ Diode_*
+ D-*
+ *SingleDiode
+ *_Diode_*
+ *SingleDiode*
+ D_*
+$ENDFPLIST
+DRAW
+P 2 0 1 8 -50 50 -50 -50 N
+P 2 0 1 0 50 0 -50 0 N
+P 4 0 1 8 50 50 50 -50 -50 0 50 50 N
+X K 1 -150 0 100 R 50 50 1 1 P
+X A 2 150 0 100 L 50 50 1 1 P
+ENDDRAW
+ENDDEF
+#
+# D_Zener
+#
+DEF D_Zener D 0 40 N N 1 F N
+F0 "D" 0 100 50 H V C CNN
+F1 "D_Zener" 0 -100 50 H V C CNN
+F2 "" 0 0 50 H V C CNN
+F3 "" 0 0 50 H V C CNN
 $FPLIST
  Diode_*
  D-Pak_TO252AA
  *SingleDiode
  *_Diode_*
  *SingleDiode*
+ D_*
 $ENDFPLIST
 DRAW
-P 2 0 1 6 -50 50 -50 -50 N
-P 3 0 1 0 50 50 -50 0 50 -50 F
+P 2 0 1 0 50 0 -50 0 N
+P 3 0 1 8 -50 -50 -50 50 -30 50 N
+P 4 0 1 8 50 -50 50 50 -50 0 50 -50 N
 X K 1 -150 0 100 R 50 50 1 1 P
 X A 2 150 0 100 L 50 50 1 1 P
 ENDDRAW
@@ -146,9 +285,9 @@ ENDDEF
 #
 # Jumper_NO_Small
 #
-DEF ~Jumper_NO_Small JP 0 30 N N 1 F N
+DEF Jumper_NO_Small JP 0 30 N N 1 F N
 F0 "JP" 0 80 50 H V C CNN
-F1 "Jumper_NO_Small" 10 -60 50 H I C CNN
+F1 "Jumper_NO_Small" 10 -60 50 H V C CNN
 F2 "" 0 0 50 H V C CNN
 F3 "" 0 0 50 H V C CNN
 DRAW
@@ -180,6 +319,27 @@ X 2 2 0 -150 50 U 50 50 1 1 P
 ENDDRAW
 ENDDEF
 #
+# LED
+#
+DEF LED D 0 40 Y N 1 F N
+F0 "D" 0 100 50 H V C CNN
+F1 "LED" 0 -100 50 H V C CNN
+F2 "" 0 0 50 H V C CNN
+F3 "" 0 0 50 H V C CNN
+$FPLIST
+ LED*
+$ENDFPLIST
+DRAW
+P 2 0 1 8 -50 -50 -50 50 N
+P 2 0 1 0 -50 0 50 0 N
+P 4 0 1 8 50 -50 50 50 -50 0 50 -50 N
+P 5 0 1 0 -120 -30 -180 -90 -150 -90 -180 -90 -180 -60 N
+P 5 0 1 0 -70 -30 -130 -90 -100 -90 -130 -90 -130 -60 N
+X K 1 -150 0 100 R 50 50 1 1 P
+X A 2 150 0 100 L 50 50 1 1 P
+ENDDRAW
+ENDDEF
+#
 # LM1117-ADJ
 #
 DEF LM1117-ADJ U 0 30 Y Y 1 F N
@@ -285,6 +445,37 @@ X O 3 400 -100 150 L 50 50 0 1 P
 ENDDRAW
 ENDDEF
 #
+# Q_PMOS_GSD
+#
+DEF Q_PMOS_GSD Q 0 0 Y N 1 F N
+F0 "Q" 200 50 50 H V L CNN
+F1 "Q_PMOS_GSD" 200 -50 50 H V L CNN
+F2 "" 200 100 50 H V C CNN
+F3 "" 0 0 50 H V C CNN
+DRAW
+C 65 0 111 0 1 10 N
+C 100 -70 11 0 1 0 F
+C 100 70 11 0 1 0 F
+P 2 0 1 0 30 -70 100 -70 N
+P 2 0 1 10 30 -50 30 -90 N
+P 2 0 1 0 30 0 100 0 N
+P 2 0 1 10 30 20 30 -20 N
+P 2 0 1 0 30 70 100 70 N
+P 2 0 1 10 30 90 30 50 N
+P 2 0 1 0 100 -70 100 -100 N
+P 2 0 1 0 100 -70 100 0 N
+P 2 0 1 0 100 100 100 70 N
+P 3 0 1 10 10 75 10 -75 10 -75 N
+P 4 0 1 0 90 0 50 -15 50 15 90 0 F
+P 4 0 1 0 100 -70 130 -70 130 70 100 70 N
+P 4 0 1 0 110 -20 115 -15 145 -15 150 -10 N
+P 4 0 1 0 130 -15 115 10 145 10 130 -15 N
+X G 1 -200 0 210 R 50 50 1 1 I
+X S 2 100 -200 100 U 50 50 1 1 P
+X D 3 100 200 100 D 50 50 1 1 P
+ENDDRAW
+ENDDEF
+#
 # R
 #
 DEF R R 0 0 N Y 1 F N
@@ -364,6 +555,56 @@ X PB3/I2S1_CK/SPI1_SCK/TIM2_CH2/TSC_G5_IO1 39 -3100 -200 100 R 50 50 1 1 B
 ENDDRAW
 ENDDEF
 #
+# USB6B1
+#
+DEF USB6B1 D 0 30 Y N 1 F N
+F0 "D" 0 -450 50 H V C CNN
+F1 "USB6B1" 0 400 50 H V C CNN
+F2 "" 200 -100 50 V V C CNN
+F3 "" 200 -100 50 V V C CNN
+$FPLIST
+ SO8
+$ENDFPLIST
+DRAW
+C -150 -300 7 0 1 0 N
+C -150 100 7 0 1 0 N
+C -150 300 7 0 1 0 N
+C 0 -300 7 0 1 0 N
+C 0 -100 7 0 1 0 N
+C 0 300 7 0 1 0 N
+C 200 -300 7 0 1 0 N
+C 200 300 7 0 1 0 N
+S -300 -100 300 -100 0 1 0 N
+S -300 300 300 300 0 1 0 N
+S -200 -150 -100 -150 0 1 0 N
+S -200 250 -100 250 0 1 0 N
+S -150 300 -150 -300 0 1 0 N
+S -50 -150 50 -150 0 1 0 N
+S -50 250 50 250 0 1 0 N
+S 0 300 0 -300 0 1 0 N
+S 200 300 200 -300 0 1 0 N
+S 300 -300 -300 -300 0 1 0 N
+S 300 100 -300 100 0 1 0 N
+P 3 0 1 8 150 50 250 50 250 50 N
+P 4 0 1 8 150 50 150 30 160 30 160 30 N
+P 4 0 1 8 250 50 250 70 240 70 240 70 N
+P 5 0 1 0 -250 350 300 350 300 -350 -250 -350 -250 350 N
+P 6 0 1 8 -200 -250 -150 -150 -100 -250 -200 -250 -200 -250 -200 -250 N
+P 6 0 1 8 -200 150 -150 250 -100 150 -200 150 -200 150 -200 150 N
+P 6 0 1 8 -50 -250 0 -150 50 -250 -50 -250 -50 -250 -50 -250 N
+P 6 0 1 8 -50 150 0 250 50 150 -50 150 -50 150 -50 150 N
+P 6 0 1 8 150 -50 200 50 250 -50 150 -50 150 -50 150 -50 N
+X VCC 1 -500 300 200 R 50 50 1 1 W
+X I/O1 2 -500 100 200 R 50 50 1 1 B
+X I/O2 3 -500 -100 200 R 50 50 1 1 B
+X GND 4 -500 -300 200 R 50 50 1 1 W
+X GND 5 500 -300 200 L 50 50 1 1 W
+X I/O2 6 500 -100 200 L 50 50 1 1 B
+X I/O1 7 500 100 200 L 50 50 1 1 B
+X VCC 8 500 300 200 L 50 50 1 1 W
+ENDDRAW
+ENDDEF
+#
 # USB_A-RESCUE-stm32
 #
 DEF USB_A-RESCUE-stm32 P 0 40 Y Y 1 F N
diff --git a/kicad/stm32/stm32.sch b/kicad/stm32/stm32.sch
index 062bbad..b39fa3d 100644
--- a/kicad/stm32/stm32.sch
+++ b/kicad/stm32/stm32.sch
@@ -61,407 +61,1877 @@ $EndComp
 $Comp
 L C C?
 U 1 1 58C42D39
-P 16450 14100
-F 0 "C?" H 16475 14200 50  0000 L CNN
-F 1 "0.1" H 16475 14000 50  0000 L CNN
-F 2 "Capacitors_SMD.pretty:C_0603_HandSoldering" H 16488 13950 50  0001 C CNN
-F 3 "" H 16450 14100 50  0000 C CNN
-	1    16450 14100
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 L R R?
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 L GND #PWR?
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 L R R?
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 L Jumper_NO_Small JP?
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 L CONN_01X04 P?
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 $EndComp
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+	8100 3550 8250 3550
+$Comp
+L GND #PWR?
+U 1 1 591110C9
+P 8600 2750
+F 0 "#PWR?" H 8600 2500 50  0001 C CNN
+F 1 "GND" H 8600 2600 50  0000 C CNN
+F 2 "" H 8600 2750 50  0000 C CNN
+F 3 "" H 8600 2750 50  0000 C CNN
+	1    8600 2750
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	8600 2550 8600 2750
+NoConn ~ 20900 11250
 $EndSCHEMATC
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diff --git a/specification b/specification
index eaf561d..d1b0c4b 100644
--- a/specification
+++ b/specification
@@ -31,3 +31,6 @@ STM8S003F3P6         - 20
 N2A-06-T007R-350     - 4
 MAX485ECSA           - 10
 NUCLEO-F042K6        - 1
+
+ali:
+74HC4051D            - 100