diff --git a/.gitignore b/.gitignore
index 0e1514e..29f6341 100644
--- a/.gitignore
+++ b/.gitignore
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\ No newline at end of file
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diff --git a/7segments.dxf b/7segments.dxf
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+AcDbEntity
+8
+outline
+6
+ByLayer
+62
+256
+370
+-1
+100
+AcDbLine
+10
+203
+20
+32
+11
+191
+21
+21
+0
+LINE
+5
+11E
+100
+AcDbEntity
+8
+outline
+6
+ByLayer
+62
+256
+370
+-1
+100
+AcDbLine
+10
+191
+20
+21
+11
+200
+21
+10
+0
+LINE
+5
+11F
+100
+AcDbEntity
+8
+outline
+6
+ByLayer
+62
+256
+370
+-1
+100
+AcDbLine
+10
+203
+20
+32
+11
+235
+21
+32
+0
+LINE
+5
+120
+100
+AcDbEntity
+8
+outline
+6
+ByLayer
+62
+256
+370
+-1
+100
+AcDbLine
+10
+200
+20
+10
+11
+235
+21
+10
+0
+CIRCLE
+5
+121
+100
+AcDbEntity
+8
+outline
+6
+ByLayer
+62
+256
+370
+-1
+100
+AcDbCircle
+10
+196
+20
+21
+40
+1.5
+0
+CIRCLE
+5
+122
+100
+AcDbEntity
+8
+outline
+6
+ByLayer
+62
+256
+370
+-1
+100
+AcDbCircle
+10
+208
+20
+25
+40
+1.5
+0
+CIRCLE
+5
+123
+100
+AcDbEntity
+8
+outline
+6
+ByLayer
+62
+256
+370
+-1
+100
+AcDbCircle
+10
+208
+20
+17
+40
+1.5
+0
+LINE
+5
+124
+100
+AcDbEntity
+8
+outline
+6
+ByLayer
+62
+256
+370
+-1
+100
+AcDbLine
+10
+200
+20
+38
+11
+189
+21
+26
+0
+LINE
+5
+125
+100
+AcDbEntity
+8
+outline
+6
+ByLayer
+62
+256
+370
+-1
+100
+AcDbLine
+10
+189
+20
+26
+11
+178
+21
+35
+0
+LINE
+5
+126
+100
+AcDbEntity
+8
+outline
+6
+ByLayer
+62
+256
+370
+-1
+100
+AcDbLine
+10
+200
+20
+38
+11
+200
+21
+70
+0
+LINE
+5
+127
+100
+AcDbEntity
+8
+outline
+6
+ByLayer
+62
+256
+370
+-1
+100
+AcDbLine
+10
+178
+20
+35
+11
+178
+21
+70
+0
+CIRCLE
+5
+128
+100
+AcDbEntity
+8
+outline
+6
+ByLayer
+62
+256
+370
+-1
+100
+AcDbCircle
+10
+189
+20
+31
+40
+1.5
+0
+CIRCLE
+5
+129
+100
+AcDbEntity
+8
+outline
+6
+ByLayer
+62
+256
+370
+-1
+100
+AcDbCircle
+10
+193
+20
+43
+40
+1.5
+0
+CIRCLE
+5
+12A
+100
+AcDbEntity
+8
+outline
+6
+ByLayer
+62
+256
+370
+-1
+100
+AcDbCircle
+10
+185
+20
+43
+40
+1.5
+0
+LINE
+5
+12B
+100
+AcDbEntity
+8
+outline
+6
+ByLayer
+62
+256
+370
+-1
+100
+AcDbLine
+10
+178
+20
+102
+11
+189
+21
+114
+0
+LINE
+5
+12C
+100
+AcDbEntity
+8
+outline
+6
+ByLayer
+62
+256
+370
+-1
+100
+AcDbLine
+10
+189
+20
+114
+11
+200
+21
+105
+0
+LINE
+5
+12D
+100
+AcDbEntity
+8
+outline
+6
+ByLayer
+62
+256
+370
+-1
+100
+AcDbLine
+10
+178
+20
+102
+11
+178
+21
+70
+0
+LINE
+5
+12E
+100
+AcDbEntity
+8
+outline
+6
+ByLayer
+62
+256
+370
+-1
+100
+AcDbLine
+10
+200
+20
+105
+11
+200
+21
+70
+0
+CIRCLE
+5
+12F
+100
+AcDbEntity
+8
+outline
+6
+ByLayer
+62
+256
+370
+-1
+100
+AcDbCircle
+10
+189
+20
+109
+40
+1.5
+0
+CIRCLE
+5
+130
+100
+AcDbEntity
+8
+outline
+6
+ByLayer
+62
+256
+370
+-1
+100
+AcDbCircle
+10
+185
+20
+97
+40
+1.5
+0
+CIRCLE
+5
+131
+100
+AcDbEntity
+8
+outline
+6
+ByLayer
+62
+256
+370
+-1
+100
+AcDbCircle
+10
+193
+20
+97
+40
+1.5
+0
+LINE
+5
+132
+100
+AcDbEntity
+8
+0
+6
+ByLayer
+62
+256
+370
+-1
+100
+AcDbLine
+10
+170
+20
+0
+11
+170
+21
+240
+0
+LINE
+5
+133
+100
+AcDbEntity
+8
+0
+6
+ByLayer
+62
+256
+370
+-1
+100
+AcDbLine
+10
+170
+20
+240
+11
+310
+21
+240
+0
+LINE
+5
+134
+100
+AcDbEntity
+8
+0
+6
+ByLayer
+62
+256
+370
+-1
+100
+AcDbLine
+10
+310
+20
+240
+11
+310
+21
+0
+0
+LINE
+5
+135
+100
+AcDbEntity
+8
+0
+6
+ByLayer
+62
+256
+370
+-1
+100
+AcDbLine
+10
+310
+20
+0
+11
+170
+21
+0
+0
+DIMENSION
+5
+136
+100
+AcDbEntity
+8
+0
+6
+ByLayer
+62
+256
+370
+-1
+100
+AcDbDimension
+2
+*D3
+10
+310
+20
+270
+30
+0
+11
+240
+21
+271.875
+31
+0
+70
+33
+71
+5
+3
+Standard
+53
+0
+210
+0
+220
+0
+230
+1
+100
+AcDbAlignedDimension
+13
+170
+23
+240
+33
+0
+14
+310
+24
+240
+34
+0
+0
 ENDSEC
 0
 SECTION
diff --git a/boards/levelshifter/leveshifterboard-cache.lib b/boards/levelshifter/leveshifterboard-cache.lib
index fe80c3a..5d31c92 100644
--- a/boards/levelshifter/leveshifterboard-cache.lib
+++ b/boards/levelshifter/leveshifterboard-cache.lib
@@ -1,4 +1,4 @@
-EESchema-LIBRARY Version 2.3  Date: Sun 09 Mar 2014 07:38:12 PM CET
+EESchema-LIBRARY Version 2.3  Date: Tue 19 Aug 2014 11:18:53 PM CEST
 #encoding utf-8
 #
 # +24V
@@ -395,4 +395,24 @@ X VO 3 400 50 200 L 40 40 1 1 w
 ENDDRAW
 ENDDEF
 #
+# ZENER
+#
+DEF ZENER D 0 40 N N 1 F N
+F0 "D" 0 100 50 H V C CNN
+F1 "ZENER" 0 -100 40 H V C CNN
+F2 "~" 0 0 60 H V C CNN
+F3 "~" 0 0 60 H V C CNN
+$FPLIST
+ D?
+ SO*
+ SM*
+$ENDFPLIST
+DRAW
+P 5 0 1 0  50 0  -50 50  -50 -50  50 0  50 0 F
+P 5 0 1 8  70 50  50 30  50 -30  30 -50  30 -50 N
+X A 1 -200 0 150 R 40 40 1 1 P
+X K 2 200 0 150 L 40 40 1 1 P
+ENDDRAW
+ENDDEF
+#
 #End Library
diff --git a/boards/levelshifter/leveshifterboard.cmp b/boards/levelshifter/leveshifterboard.cmp
index 2973ad4..479c64e 100644
--- a/boards/levelshifter/leveshifterboard.cmp
+++ b/boards/levelshifter/leveshifterboard.cmp
@@ -1,16 +1,16 @@
-Cmp-Mod V01 Created by CvPcb (2013-may-18)-stable date = Wed 05 Mar 2014 05:29:32 PM CET
+Cmp-Mod V01 Created by CvPcb (2013-may-18)-stable date = Tue 19 Aug 2014 11:22:04 PM CEST
 
 BeginCmp
 TimeStamp = /53135158;
 Reference = C1;
-ValeurCmp = 100n;
+ValeurCmp = 100nF;
 IdModule  = SM0603;
 EndCmp
 
 BeginCmp
 TimeStamp = /530E62FF;
 Reference = C2;
-ValeurCmp = 100nf;
+ValeurCmp = 100nF;
 IdModule  = SM0603;
 EndCmp
 
@@ -45,7 +45,7 @@ EndCmp
 BeginCmp
 TimeStamp = /5315FBCE;
 Reference = C7;
-ValeurCmp = 100nf;
+ValeurCmp = 100nF;
 IdModule  = SM0603;
 EndCmp
 
@@ -77,6 +77,34 @@ ValeurCmp = LED;
 IdModule  = SM0603;
 EndCmp
 
+BeginCmp
+TimeStamp = /53F3BB95;
+Reference = D5;
+ValeurCmp = ZENER_5.6V;
+IdModule  = sod123;
+EndCmp
+
+BeginCmp
+TimeStamp = /53F3BBA2;
+Reference = D6;
+ValeurCmp = ZENER_5.6V;
+IdModule  = sod123;
+EndCmp
+
+BeginCmp
+TimeStamp = /53F3BBA8;
+Reference = D7;
+ValeurCmp = ZENER_5.6V;
+IdModule  = sod123;
+EndCmp
+
+BeginCmp
+TimeStamp = /53F3BBAE;
+Reference = D8;
+ValeurCmp = ZENER_5.6V;
+IdModule  = sod123;
+EndCmp
+
 BeginCmp
 TimeStamp = /530A3B07;
 Reference = F1;
@@ -192,14 +220,42 @@ EndCmp
 BeginCmp
 TimeStamp = /5316122F;
 Reference = R11;
-ValeurCmp = R;
+ValeurCmp = 1k;
 IdModule  = SM0603;
 EndCmp
 
 BeginCmp
 TimeStamp = /53160BB6;
 Reference = R12;
-ValeurCmp = R;
+ValeurCmp = 1k;
+IdModule  = SM0603;
+EndCmp
+
+BeginCmp
+TimeStamp = /53F3C2AF;
+Reference = R13;
+ValeurCmp = 1k;
+IdModule  = SM0603;
+EndCmp
+
+BeginCmp
+TimeStamp = /53F3C2BC;
+Reference = R14;
+ValeurCmp = 1k;
+IdModule  = SM0603;
+EndCmp
+
+BeginCmp
+TimeStamp = /53F3C2C2;
+Reference = R15;
+ValeurCmp = 1k;
+IdModule  = SM0603;
+EndCmp
+
+BeginCmp
+TimeStamp = /53F3C2C8;
+Reference = R16;
+ValeurCmp = 1k;
 IdModule  = SM0603;
 EndCmp
 
diff --git a/boards/levelshifter/leveshifterboard.net b/boards/levelshifter/leveshifterboard.net
index db1c2d7..386cf54 100644
--- a/boards/levelshifter/leveshifterboard.net
+++ b/boards/levelshifter/leveshifterboard.net
@@ -1,7 +1,7 @@
 (export (version D)
   (design
-    (source /home/sebastian/projects/HeptaLED/boards/levelshifter/leveshifterboard.sch)
-    (date "Sun 09 Mar 2014 07:03:32 PM CET")
+    (source /home/sebastian/projects/7segment_timer/boards/levelshifter/leveshifterboard.sch)
+    (date "Tue 19 Aug 2014 11:19:38 PM CEST")
     (tool "eeschema (2013-may-18)-stable"))
   (components
     (comp (ref C4)
@@ -135,7 +135,7 @@
       (sheetpath (names /) (tstamps /))
       (tstamp 530E5BAD))
     (comp (ref C2)
-      (value 100nf)
+      (value 100nF)
       (libsource (lib device) (part C))
       (sheetpath (names /) (tstamps /))
       (tstamp 530E62FF))
@@ -145,12 +145,12 @@
       (sheetpath (names /) (tstamps /))
       (tstamp 53135149))
     (comp (ref C1)
-      (value 100n)
+      (value 100nF)
       (libsource (lib device) (part C))
       (sheetpath (names /) (tstamps /))
       (tstamp 53135158))
     (comp (ref C7)
-      (value 100nf)
+      (value 100nF)
       (libsource (lib device) (part C))
       (sheetpath (names /) (tstamps /))
       (tstamp 5315FBCE))
@@ -178,7 +178,47 @@
       (value IRLR110)
       (libsource (lib irlr110) (part IRLR110))
       (sheetpath (names /) (tstamps /))
-      (tstamp 53174CDC)))
+      (tstamp 53174CDC))
+    (comp (ref D5)
+      (value ZENER_5.6V)
+      (libsource (lib device) (part ZENER))
+      (sheetpath (names /) (tstamps /))
+      (tstamp 53F3BB95))
+    (comp (ref D6)
+      (value ZENER_5.6V)
+      (libsource (lib device) (part ZENER))
+      (sheetpath (names /) (tstamps /))
+      (tstamp 53F3BBA2))
+    (comp (ref D7)
+      (value ZENER_5.6V)
+      (libsource (lib device) (part ZENER))
+      (sheetpath (names /) (tstamps /))
+      (tstamp 53F3BBA8))
+    (comp (ref D8)
+      (value ZENER_5.6V)
+      (libsource (lib device) (part ZENER))
+      (sheetpath (names /) (tstamps /))
+      (tstamp 53F3BBAE))
+    (comp (ref R13)
+      (value 1k)
+      (libsource (lib device) (part R))
+      (sheetpath (names /) (tstamps /))
+      (tstamp 53F3C2AF))
+    (comp (ref R14)
+      (value 1k)
+      (libsource (lib device) (part R))
+      (sheetpath (names /) (tstamps /))
+      (tstamp 53F3C2BC))
+    (comp (ref R15)
+      (value 1k)
+      (libsource (lib device) (part R))
+      (sheetpath (names /) (tstamps /))
+      (tstamp 53F3C2C2))
+    (comp (ref R16)
+      (value 1k)
+      (libsource (lib device) (part R))
+      (sheetpath (names /) (tstamps /))
+      (tstamp 53F3C2C8)))
   (libparts
     (libpart (lib device) (part C)
       (description "Condensateur non polarise")
@@ -283,6 +323,20 @@
       (pins
         (pin (num 1) (name 1) (type passive))
         (pin (num 2) (name 2) (type passive))))
+    (libpart (lib device) (part ZENER)
+      (description "Diode zener")
+      (footprints
+        (fp D?)
+        (fp SO*)
+        (fp SM*))
+      (fields
+        (field (name Reference) D)
+        (field (name Value) ZENER)
+        (field (name Footprint) ~)
+        (field (name Datasheet) ~))
+      (pins
+        (pin (num 1) (name A) (type passive))
+        (pin (num 2) (name K) (type passive))))
     (libpart (lib conn) (part CONN_2)
       (description "Symbole general de connecteur")
       (fields
@@ -354,16 +408,6 @@
         (pin (num 6) (name CLR) (type input))
         (pin (num 7) (name PRE) (type input))
         (pin (num 8) (name Vcc) (type input))))
-    (libpart (lib ts2937) (part TS2937)
-      (fields
-        (field (name Reference) U)
-        (field (name Value) TS2937)
-        (field (name Footprint) ~)
-        (field (name Datasheet) ~))
-      (pins
-        (pin (num 1) (name VI) (type input))
-        (pin (num 2) (name GND) (type input))
-        (pin (num 3) (name VO) (type power_out))))
     (libpart (lib 74hct125) (part 74HCT125)
       (fields
         (field (name Reference) U)
@@ -385,6 +429,16 @@
         (pin (num 12) (name 4A) (type input))
         (pin (num 13) (name OE4) (type input))
         (pin (num 14) (name Vcc) (type input))))
+    (libpart (lib ts2937) (part TS2937)
+      (fields
+        (field (name Reference) U)
+        (field (name Value) TS2937)
+        (field (name Footprint) ~)
+        (field (name Datasheet) ~))
+      (pins
+        (pin (num 1) (name VI) (type input))
+        (pin (num 2) (name GND) (type input))
+        (pin (num 3) (name VO) (type power_out))))
     (libpart (lib nds355) (part NDS355)
       (fields
         (field (name Reference) Q)
@@ -412,152 +466,172 @@
       (uri /usr/share/kicad/library/conn.lib))
     (library (logical linear)
       (uri /usr/share/kicad/library/linear.lib))
+    (library (logical ts2937)
+      (uri ../lib/ts2937.lib))
     (library (logical sn74lvc1g74)
       (uri ../lib/sn74lvc1g74.lib))
     (library (logical nds355)
       (uri ../lib/nds355.lib))
-    (library (logical ts2937)
-      (uri ../lib/ts2937.lib))
     (library (logical 74hct125)
       (uri ../lib/74hct125.lib))
     (library (logical irlr110)
       (uri ../lib/irlr110.lib)))
   (nets
-    (net (code 1) (name PowerOn)
-      (node (ref R3) (pin 2))
-      (node (ref Q1) (pin 1))
-      (node (ref U2) (pin 3)))
-    (net (code 2) (name 3.3_Enable)
-      (node (ref U3) (pin 5))
-      (node (ref P2) (pin 4)))
-    (net (code 3) (name Clock)
-      (node (ref J1) (pin 1))
-      (node (ref U3) (pin 3)))
-    (net (code 4) (name 3.3_Clock)
-      (node (ref P2) (pin 2))
-      (node (ref U3) (pin 2)))
-    (net (code 5) (name Shutdown)
-      (node (ref R6) (pin 2))
-      (node (ref U1) (pin 7))
-      (node (ref U2) (pin 7)))
-    (net (code 6) (name 3.3_Data_Out)
-      (node (ref P2) (pin 3))
-      (node (ref U3) (pin 9)))
-    (net (code 7) (name 3.3_Reset)
-      (node (ref U3) (pin 12))
-      (node (ref P2) (pin 5)))
-    (net (code 8) (name Reset)
-      (node (ref J1) (pin 7))
-      (node (ref U3) (pin 11)))
-    (net (code 9) (name Data_Out)
-      (node (ref J1) (pin 5))
-      (node (ref U3) (pin 8)))
-    (net (code 10) (name "")
-      (node (ref F1) (pin 1))
-      (node (ref P1) (pin 2)))
-    (net (code 11) (name "")
-      (node (ref D4) (pin 1))
-      (node (ref R10) (pin 2)))
-    (net (code 12) (name "")
+    (net (code 1) (name +5V)
+      (node (ref U1) (pin 8))
+      (node (ref D3) (pin 1))
+      (node (ref U4) (pin 3))
+      (node (ref C6) (pin 1))
+      (node (ref R10) (pin 1))
+      (node (ref C5) (pin 1))
+      (node (ref C7) (pin 1))
+      (node (ref RV1) (pin 1))
+      (node (ref R8) (pin 2))
+      (node (ref R3) (pin 1))
+      (node (ref R6) (pin 1))
+      (node (ref U2) (pin 8))
+      (node (ref U3) (pin 14))
+      (node (ref C2) (pin 1)))
+    (net (code 2) (name BusOff)
+      (node (ref R11) (pin 1))
+      (node (ref U3) (pin 4))
+      (node (ref U3) (pin 1))
+      (node (ref U2) (pin 5))
+      (node (ref U3) (pin 10))
+      (node (ref U3) (pin 13))
+      (node (ref R7) (pin 1)))
+    (net (code 3) (name "")
+      (node (ref R4) (pin 1))
+      (node (ref U1) (pin 1))
+      (node (ref R2) (pin 2)))
+    (net (code 4) (name "")
+      (node (ref R8) (pin 1))
+      (node (ref SW1) (pin 1))
+      (node (ref U2) (pin 6)))
+    (net (code 5) (name "")
+      (node (ref R7) (pin 2))
+      (node (ref D1) (pin 1)))
+    (net (code 6) (name "")
       (node (ref U1) (pin 5))
       (node (ref RV1) (pin 2)))
-    (net (code 13) (name "")
+    (net (code 7) (name Sense)
+      (node (ref U1) (pin 3))
+      (node (ref J1) (pin 9))
+      (node (ref J1) (pin 8))
+      (node (ref R5) (pin 1))
+      (node (ref J1) (pin 6)))
+    (net (code 8) (name "")
       (node (ref R1) (pin 1))
       (node (ref U1) (pin 2))
       (node (ref R2) (pin 1)))
-    (net (code 14) (name +24V)
-      (node (ref C3) (pin 1))
-      (node (ref U4) (pin 1))
-      (node (ref Q1) (pin 2))
-      (node (ref C4) (pin 1))
-      (node (ref D3) (pin 2))
+    (net (code 9) (name +24V)
       (node (ref R9) (pin 1))
-      (node (ref F1) (pin 2)))
-    (net (code 15) (name +3.3V)
-      (node (ref R12) (pin 1))
-      (node (ref P2) (pin 1)))
-    (net (code 16) (name "")
-      (node (ref Q2) (pin 2))
-      (node (ref P2) (pin 6))
-      (node (ref R12) (pin 2)))
-    (net (code 17) (name GND)
-      (node (ref U2) (pin 1))
-      (node (ref U2) (pin 2))
+      (node (ref D3) (pin 2))
+      (node (ref U4) (pin 1))
+      (node (ref C4) (pin 1))
+      (node (ref C3) (pin 1))
+      (node (ref F1) (pin 2))
+      (node (ref Q1) (pin 2)))
+    (net (code 10) (name "")
+      (node (ref F1) (pin 1))
+      (node (ref P1) (pin 2)))
+    (net (code 11) (name GND)
       (node (ref R5) (pin 2))
-      (node (ref R1) (pin 2))
-      (node (ref U1) (pin 4))
-      (node (ref U2) (pin 4))
       (node (ref D1) (pin 2))
+      (node (ref RV1) (pin 3))
+      (node (ref R1) (pin 2))
+      (node (ref C2) (pin 2))
+      (node (ref SW1) (pin 2))
+      (node (ref P1) (pin 1))
+      (node (ref U2) (pin 2))
+      (node (ref U4) (pin 2))
+      (node (ref U2) (pin 4))
+      (node (ref U2) (pin 1))
       (node (ref D2) (pin 2))
       (node (ref D4) (pin 2))
-      (node (ref SW1) (pin 2))
-      (node (ref RV1) (pin 3))
-      (node (ref C3) (pin 2))
       (node (ref C5) (pin 2))
       (node (ref C6) (pin 2))
+      (node (ref C3) (pin 2))
       (node (ref C4) (pin 2))
-      (node (ref P1) (pin 1))
-      (node (ref U4) (pin 2))
-      (node (ref P2) (pin 7))
-      (node (ref Q2) (pin 3))
-      (node (ref C1) (pin 2))
       (node (ref C7) (pin 2))
+      (node (ref C1) (pin 2))
+      (node (ref Q2) (pin 3))
+      (node (ref D5) (pin 1))
+      (node (ref D6) (pin 1))
+      (node (ref D7) (pin 1))
+      (node (ref D8) (pin 1))
       (node (ref U3) (pin 7))
-      (node (ref C2) (pin 2)))
+      (node (ref U1) (pin 4))
+      (node (ref P2) (pin 7)))
+    (net (code 12) (name Shutdown)
+      (node (ref U2) (pin 7))
+      (node (ref R6) (pin 2))
+      (node (ref U1) (pin 7)))
+    (net (code 13) (name PowerOn)
+      (node (ref Q1) (pin 1))
+      (node (ref U2) (pin 3))
+      (node (ref R3) (pin 2)))
+    (net (code 14) (name "")
+      (node (ref U3) (pin 11))
+      (node (ref R16) (pin 1))
+      (node (ref D8) (pin 2)))
+    (net (code 15) (name "")
+      (node (ref D7) (pin 2))
+      (node (ref U3) (pin 8))
+      (node (ref R15) (pin 1)))
+    (net (code 16) (name "")
+      (node (ref D6) (pin 2))
+      (node (ref R14) (pin 1))
+      (node (ref U3) (pin 6)))
+    (net (code 17) (name "")
+      (node (ref D5) (pin 2))
+      (node (ref R13) (pin 1))
+      (node (ref U3) (pin 3)))
     (net (code 18) (name "")
-      (node (ref R11) (pin 2))
-      (node (ref Q2) (pin 1)))
-    (net (code 19) (name BusOff)
-      (node (ref U3) (pin 13))
-      (node (ref U3) (pin 10))
-      (node (ref U2) (pin 5))
-      (node (ref R7) (pin 1))
-      (node (ref U3) (pin 1))
-      (node (ref U3) (pin 4))
-      (node (ref R11) (pin 1)))
-    (net (code 20) (name "")
-      (node (ref R7) (pin 2))
-      (node (ref D1) (pin 1)))
-    (net (code 21) (name +5V)
-      (node (ref R3) (pin 1))
-      (node (ref R8) (pin 2))
-      (node (ref R6) (pin 1))
-      (node (ref U2) (pin 8))
-      (node (ref C2) (pin 1))
-      (node (ref C7) (pin 1))
-      (node (ref R10) (pin 1))
-      (node (ref RV1) (pin 1))
-      (node (ref U3) (pin 14))
-      (node (ref D3) (pin 1))
-      (node (ref U4) (pin 3))
-      (node (ref U1) (pin 8))
-      (node (ref C6) (pin 1))
-      (node (ref C5) (pin 1)))
-    (net (code 22) (name "")
-      (node (ref U1) (pin 6))
-      (node (ref R4) (pin 2))
-      (node (ref C1) (pin 1)))
+      (node (ref Q2) (pin 1))
+      (node (ref R11) (pin 2)))
+    (net (code 19) (name Reset)
+      (node (ref R16) (pin 2))
+      (node (ref J1) (pin 7)))
+    (net (code 20) (name Data_Out)
+      (node (ref R15) (pin 2))
+      (node (ref J1) (pin 5)))
+    (net (code 21) (name Enable)
+      (node (ref J1) (pin 3))
+      (node (ref R14) (pin 2)))
+    (net (code 22) (name Clock)
+      (node (ref R13) (pin 2))
+      (node (ref J1) (pin 1)))
     (net (code 23) (name "")
-      (node (ref U1) (pin 1))
-      (node (ref R2) (pin 2))
-      (node (ref R4) (pin 1)))
+      (node (ref Q2) (pin 2))
+      (node (ref R12) (pin 2))
+      (node (ref P2) (pin 6)))
     (net (code 24) (name "")
-      (node (ref U2) (pin 6))
-      (node (ref R8) (pin 1))
-      (node (ref SW1) (pin 1)))
-    (net (code 25) (name Sense)
-      (node (ref R5) (pin 1))
-      (node (ref J1) (pin 6))
-      (node (ref J1) (pin 8))
-      (node (ref J1) (pin 9))
-      (node (ref U1) (pin 3)))
-    (net (code 26) (name Enable)
-      (node (ref U3) (pin 6))
-      (node (ref J1) (pin 3)))
-    (net (code 27) (name "")
+      (node (ref C1) (pin 1))
+      (node (ref R4) (pin 2))
+      (node (ref U1) (pin 6)))
+    (net (code 25) (name +3.3V)
+      (node (ref R12) (pin 1))
+      (node (ref P2) (pin 1)))
+    (net (code 26) (name 3.3_Reset)
+      (node (ref P2) (pin 5))
+      (node (ref U3) (pin 12)))
+    (net (code 27) (name 3.3_Enable)
+      (node (ref U3) (pin 5))
+      (node (ref P2) (pin 4)))
+    (net (code 28) (name 3.3_Data_Out)
+      (node (ref P2) (pin 3))
+      (node (ref U3) (pin 9)))
+    (net (code 29) (name 3.3_Clock)
+      (node (ref U3) (pin 2))
+      (node (ref P2) (pin 2)))
+    (net (code 30) (name "")
+      (node (ref D4) (pin 1))
+      (node (ref R10) (pin 2)))
+    (net (code 31) (name "")
+      (node (ref J1) (pin 2))
       (node (ref J1) (pin 4))
-      (node (ref Q1) (pin 3))
-      (node (ref J1) (pin 2)))
-    (net (code 28) (name "")
+      (node (ref Q1) (pin 3)))
+    (net (code 32) (name "")
       (node (ref R9) (pin 2))
       (node (ref D2) (pin 1)))))
\ No newline at end of file
diff --git a/boards/levelshifter/leveshifterboard.sch b/boards/levelshifter/leveshifterboard.sch
index 946e250..2c40e7d 100644
--- a/boards/levelshifter/leveshifterboard.sch
+++ b/boards/levelshifter/leveshifterboard.sch
@@ -41,7 +41,7 @@ $Descr A4 11693 8268
 encoding utf-8
 Sheet 1 1
 Title "noname.sch"
-Date "9 mar 2014"
+Date "19 aug 2014"
 Rev ""
 Comp ""
 Comment1 ""
@@ -50,10 +50,10 @@ Comment3 ""
 Comment4 ""
 $EndDescr
 $Comp
-L GND #PWR01
+L GND #PWR34
 U 1 1 52EA25FE
 P 9300 2750
-F 0 "#PWR01" H 9300 2750 30  0001 C CNN
+F 0 "#PWR34" H 9300 2750 30  0001 C CNN
 F 1 "GND" H 9300 2680 30  0001 C CNN
 F 2 "" H 9300 2750 60  0000 C CNN
 F 3 "" H 9300 2750 60  0000 C CNN
@@ -61,10 +61,10 @@ F 3 "" H 9300 2750 60  0000 C CNN
 	1    0    0    -1  
 $EndComp
 $Comp
-L +24V #PWR02
+L +24V #PWR27
 U 1 1 52EA25FF
 P 8050 1050
-F 0 "#PWR02" H 8050 1000 20  0001 C CNN
+F 0 "#PWR27" H 8050 1000 20  0001 C CNN
 F 1 "+24V" H 8050 1150 30  0000 C CNN
 F 2 "" H 8050 1050 60  0000 C CNN
 F 3 "" H 8050 1050 60  0000 C CNN
@@ -72,10 +72,10 @@ F 3 "" H 8050 1050 60  0000 C CNN
 	1    0    0    -1  
 $EndComp
 $Comp
-L +5V #PWR03
+L +5V #PWR39
 U 1 1 52EA2600
 P 10600 1050
-F 0 "#PWR03" H 10600 1140 20  0001 C CNN
+F 0 "#PWR39" H 10600 1140 20  0001 C CNN
 F 1 "+5V" H 10600 1140 30  0000 C CNN
 F 2 "" H 10600 1050 60  0000 C CNN
 F 3 "" H 10600 1050 60  0000 C CNN
@@ -127,10 +127,10 @@ F 3 "~" H 9800 2200 60  0000 C CNN
 	1    0    0    -1  
 $EndComp
 $Comp
-L GND #PWR04
+L GND #PWR30
 U 1 1 52EA2605
 P 8400 2750
-F 0 "#PWR04" H 8400 2750 30  0001 C CNN
+F 0 "#PWR30" H 8400 2750 30  0001 C CNN
 F 1 "GND" H 8400 2680 30  0001 C CNN
 F 2 "" H 8400 2750 60  0000 C CNN
 F 3 "" H 8400 2750 60  0000 C CNN
@@ -138,10 +138,10 @@ F 3 "" H 8400 2750 60  0000 C CNN
 	1    0    0    -1  
 $EndComp
 $Comp
-L GND #PWR05
+L GND #PWR31
 U 1 1 52EA2606
 P 8800 2750
-F 0 "#PWR05" H 8800 2750 30  0001 C CNN
+F 0 "#PWR31" H 8800 2750 30  0001 C CNN
 F 1 "GND" H 8800 2680 30  0001 C CNN
 F 2 "" H 8800 2750 60  0000 C CNN
 F 3 "" H 8800 2750 60  0000 C CNN
@@ -149,10 +149,10 @@ F 3 "" H 8800 2750 60  0000 C CNN
 	1    0    0    -1  
 $EndComp
 $Comp
-L GND #PWR06
+L GND #PWR36
 U 1 1 52EA2607
 P 9800 2750
-F 0 "#PWR06" H 9800 2750 30  0001 C CNN
+F 0 "#PWR36" H 9800 2750 30  0001 C CNN
 F 1 "GND" H 9800 2680 30  0001 C CNN
 F 2 "" H 9800 2750 60  0000 C CNN
 F 3 "" H 9800 2750 60  0000 C CNN
@@ -160,10 +160,10 @@ F 3 "" H 9800 2750 60  0000 C CNN
 	1    0    0    -1  
 $EndComp
 $Comp
-L GND #PWR07
+L GND #PWR38
 U 1 1 52EA2608
 P 10200 2750
-F 0 "#PWR07" H 10200 2750 30  0001 C CNN
+F 0 "#PWR38" H 10200 2750 30  0001 C CNN
 F 1 "GND" H 10200 2680 30  0001 C CNN
 F 2 "" H 10200 2750 60  0000 C CNN
 F 3 "" H 10200 2750 60  0000 C CNN
@@ -193,10 +193,10 @@ F 3 "~" H 10600 2450 60  0000 C CNN
 	0    1    1    0   
 $EndComp
 $Comp
-L GND #PWR08
+L GND #PWR40
 U 1 1 52EA260B
 P 10600 2750
-F 0 "#PWR08" H 10600 2750 30  0001 C CNN
+F 0 "#PWR40" H 10600 2750 30  0001 C CNN
 F 1 "GND" H 10600 2680 30  0001 C CNN
 F 2 "" H 10600 2750 60  0000 C CNN
 F 3 "" H 10600 2750 60  0000 C CNN
@@ -226,10 +226,10 @@ F 3 "~" H 8050 2450 60  0000 C CNN
 	0    1    1    0   
 $EndComp
 $Comp
-L GND #PWR09
+L GND #PWR28
 U 1 1 52EA260E
 P 8050 2750
-F 0 "#PWR09" H 8050 2750 30  0001 C CNN
+F 0 "#PWR28" H 8050 2750 30  0001 C CNN
 F 1 "GND" H 8050 2680 30  0001 C CNN
 F 2 "" H 8050 2750 60  0000 C CNN
 F 3 "" H 8050 2750 60  0000 C CNN
@@ -270,10 +270,10 @@ F 3 "~" H 4100 1900 60  0000 C CNN
 	-1   0    0    1   
 $EndComp
 $Comp
-L GND #PWR010
+L GND #PWR8
 U 1 1 52EA26AF
 P 3200 3350
-F 0 "#PWR010" H 3200 3350 30  0001 C CNN
+F 0 "#PWR8" H 3200 3350 30  0001 C CNN
 F 1 "GND" H 3200 3280 30  0001 C CNN
 F 2 "" H 3200 3350 60  0000 C CNN
 F 3 "" H 3200 3350 60  0000 C CNN
@@ -300,31 +300,31 @@ Enable
 Text GLabel 3100 2100 3    60   Output ~ 0
 Reset
 $Comp
-L +24V #PWR011
+L +24V #PWR6
 U 1 1 52EA29D0
 P 2100 1050
-F 0 "#PWR011" H 2100 1000 20  0001 C CNN
+F 0 "#PWR6" H 2100 1000 20  0001 C CNN
 F 1 "+24V" H 2100 1150 30  0000 C CNN
 F 2 "" H 2100 1050 60  0000 C CNN
 F 3 "" H 2100 1050 60  0000 C CNN
 	1    2100 1050
 	1    0    0    -1  
 $EndComp
-Text GLabel 9650 4050 2    60   Input ~ 0
+Text GLabel 10550 4050 2    60   Input ~ 0
 Clock
-Text GLabel 7850 4050 0    60   Output ~ 0
+Text GLabel 7050 4050 0    60   Output ~ 0
 3.3_Clock
-Text GLabel 9650 4400 2    60   Input ~ 0
+Text GLabel 10550 4400 2    60   Input ~ 0
 Enable
-Text GLabel 7850 4400 0    60   Output ~ 0
+Text GLabel 7050 4400 0    60   Output ~ 0
 3.3_Enable
-Text GLabel 9650 4750 2    60   Input ~ 0
+Text GLabel 10550 4750 2    60   Input ~ 0
 Data_Out
-Text GLabel 7850 4750 0    60   Output ~ 0
+Text GLabel 7050 4750 0    60   Output ~ 0
 3.3_Data_Out
-Text GLabel 9650 5100 2    60   Input ~ 0
+Text GLabel 10550 5100 2    60   Input ~ 0
 Reset
-Text GLabel 7850 5100 0    60   Output ~ 0
+Text GLabel 7050 5100 0    60   Output ~ 0
 3.3_Reset
 Text GLabel 5750 1800 2    60   Input ~ 0
 3.3_Clock
@@ -372,10 +372,10 @@ F 3 "~" H 4550 1450 60  0000 C CNN
 	0    -1   -1   0   
 $EndComp
 $Comp
-L +24V #PWR012
+L +24V #PWR19
 U 1 1 530A3C65
 P 4550 1050
-F 0 "#PWR012" H 4550 1000 20  0001 C CNN
+F 0 "#PWR19" H 4550 1000 20  0001 C CNN
 F 1 "+24V" H 4550 1150 30  0000 C CNN
 F 2 "" H 4550 1050 60  0000 C CNN
 F 3 "" H 4550 1050 60  0000 C CNN
@@ -383,10 +383,10 @@ F 3 "" H 4550 1050 60  0000 C CNN
 	1    0    0    -1  
 $EndComp
 $Comp
-L GND #PWR013
+L GND #PWR20
 U 1 1 530A3CE3
 P 4550 2750
-F 0 "#PWR013" H 4550 2750 30  0001 C CNN
+F 0 "#PWR20" H 4550 2750 30  0001 C CNN
 F 1 "GND" H 4550 2680 30  0001 C CNN
 F 2 "" H 4550 2750 60  0000 C CNN
 F 3 "" H 4550 2750 60  0000 C CNN
@@ -405,10 +405,10 @@ F 3 "~" H 1150 4850 30  0000 C CNN
 	1    0    0    -1  
 $EndComp
 $Comp
-L GND #PWR014
+L GND #PWR4
 U 1 1 530A41D9
 P 1550 4350
-F 0 "#PWR014" H 1550 4350 30  0001 C CNN
+F 0 "#PWR4" H 1550 4350 30  0001 C CNN
 F 1 "GND" H 1550 4280 30  0001 C CNN
 F 2 "" H 1550 4350 60  0000 C CNN
 F 3 "" H 1550 4350 60  0000 C CNN
@@ -427,10 +427,10 @@ F 3 "~" H 1550 4550 30  0000 C CNN
 	0    -1   -1   0   
 $EndComp
 $Comp
-L +5V #PWR015
+L +5V #PWR3
 U 1 1 530A445E
 P 1550 3450
-F 0 "#PWR015" H 1550 3540 20  0001 C CNN
+F 0 "#PWR3" H 1550 3540 20  0001 C CNN
 F 1 "+5V" H 1550 3540 30  0000 C CNN
 F 2 "" H 1550 3450 60  0000 C CNN
 F 3 "" H 1550 3450 60  0000 C CNN
@@ -440,10 +440,10 @@ $EndComp
 Text GLabel 950  3800 0    60   Output ~ 0
 Sense
 $Comp
-L GND #PWR016
+L GND #PWR2
 U 1 1 530A45FC
 P 1150 5150
-F 0 "#PWR016" H 1150 5150 30  0001 C CNN
+F 0 "#PWR2" H 1150 5150 30  0001 C CNN
 F 1 "GND" H 1150 5080 30  0001 C CNN
 F 2 "" H 1150 5150 60  0000 C CNN
 F 3 "" H 1150 5150 60  0000 C CNN
@@ -462,10 +462,10 @@ F 3 "" H 4000 4100 60  0000 C CNN
 	1    0    0    -1  
 $EndComp
 $Comp
-L GND #PWR017
+L GND #PWR16
 U 1 1 530A46A0
 P 3900 4800
-F 0 "#PWR017" H 3900 4800 30  0001 C CNN
+F 0 "#PWR16" H 3900 4800 30  0001 C CNN
 F 1 "GND" H 3900 4730 30  0001 C CNN
 F 2 "" H 3900 4800 60  0000 C CNN
 F 3 "" H 3900 4800 60  0000 C CNN
@@ -473,10 +473,10 @@ F 3 "" H 3900 4800 60  0000 C CNN
 	1    0    0    -1  
 $EndComp
 $Comp
-L +5V #PWR018
+L +5V #PWR15
 U 1 1 530A46B3
 P 3900 3650
-F 0 "#PWR018" H 3900 3740 20  0001 C CNN
+F 0 "#PWR15" H 3900 3740 20  0001 C CNN
 F 1 "+5V" H 3900 3740 30  0000 C CNN
 F 2 "" H 3900 3650 60  0000 C CNN
 F 3 "" H 3900 3650 60  0000 C CNN
@@ -495,10 +495,10 @@ F 3 "~" H 3200 4000 60  0000 C CNN
 	0    1    1    0   
 $EndComp
 $Comp
-L +5V #PWR019
+L +5V #PWR9
 U 1 1 530A49D4
 P 3200 3650
-F 0 "#PWR019" H 3200 3740 20  0001 C CNN
+F 0 "#PWR9" H 3200 3740 20  0001 C CNN
 F 1 "+5V" H 3200 3740 30  0000 C CNN
 F 2 "" H 3200 3650 60  0000 C CNN
 F 3 "" H 3200 3650 60  0000 C CNN
@@ -506,10 +506,10 @@ F 3 "" H 3200 3650 60  0000 C CNN
 	1    0    0    -1  
 $EndComp
 $Comp
-L GND #PWR020
+L GND #PWR10
 U 1 1 530A49DA
 P 3200 4800
-F 0 "#PWR020" H 3200 4800 30  0001 C CNN
+F 0 "#PWR10" H 3200 4800 30  0001 C CNN
 F 1 "GND" H 3200 4730 30  0001 C CNN
 F 2 "" H 3200 4800 60  0000 C CNN
 F 3 "" H 3200 4800 60  0000 C CNN
@@ -528,10 +528,10 @@ F 3 "~" H 2600 6200 60  0000 C CNN
 	1    0    0    -1  
 $EndComp
 $Comp
-L GND #PWR021
+L GND #PWR1
 U 1 1 530DC73E
 P 950 6850
-F 0 "#PWR021" H 950 6850 30  0001 C CNN
+F 0 "#PWR1" H 950 6850 30  0001 C CNN
 F 1 "GND" H 950 6780 30  0001 C CNN
 F 2 "" H 950 6850 60  0000 C CNN
 F 3 "" H 950 6850 60  0000 C CNN
@@ -539,10 +539,10 @@ F 3 "" H 950 6850 60  0000 C CNN
 	1    0    0    -1  
 $EndComp
 $Comp
-L +5V #PWR022
+L +5V #PWR12
 U 1 1 530DC9D0
 P 3600 5250
-F 0 "#PWR022" H 3600 5340 20  0001 C CNN
+F 0 "#PWR12" H 3600 5340 20  0001 C CNN
 F 1 "+5V" H 3600 5340 30  0000 C CNN
 F 2 "" H 3600 5250 60  0000 C CNN
 F 3 "" H 3600 5250 60  0000 C CNN
@@ -578,10 +578,10 @@ F 3 "~" H 4500 5650 30  0000 C CNN
 	-1   0    0    1   
 $EndComp
 $Comp
-L GND #PWR023
+L GND #PWR18
 U 1 1 530DD22C
 P 4500 7700
-F 0 "#PWR023" H 4500 7700 30  0001 C CNN
+F 0 "#PWR18" H 4500 7700 30  0001 C CNN
 F 1 "GND" H 4500 7630 30  0001 C CNN
 F 2 "" H 4500 7700 60  0000 C CNN
 F 3 "" H 4500 7700 60  0000 C CNN
@@ -600,10 +600,10 @@ F 3 "~" H 3800 5650 30  0000 C CNN
 	1    0    0    -1  
 $EndComp
 $Comp
-L +5V #PWR024
+L +5V #PWR17
 U 1 1 530DD52B
 P 4500 5250
-F 0 "#PWR024" H 4500 5340 20  0001 C CNN
+F 0 "#PWR17" H 4500 5340 20  0001 C CNN
 F 1 "+5V" H 4500 5340 30  0000 C CNN
 F 2 "" H 4500 5250 60  0000 C CNN
 F 3 "" H 4500 5250 60  0000 C CNN
@@ -622,10 +622,10 @@ F 3 "~" H 1700 1550 30  0000 C CNN
 	1    0    0    -1  
 $EndComp
 $Comp
-L +5V #PWR025
+L +5V #PWR5
 U 1 1 530DD553
 P 1700 1050
-F 0 "#PWR025" H 1700 1140 20  0001 C CNN
+F 0 "#PWR5" H 1700 1140 20  0001 C CNN
 F 1 "+5V" H 1700 1140 30  0000 C CNN
 F 2 "" H 1700 1050 60  0000 C CNN
 F 3 "" H 1700 1050 60  0000 C CNN
@@ -655,10 +655,10 @@ F 3 "~" H 3800 7400 60  0000 C CNN
 	0    1    1    0   
 $EndComp
 $Comp
-L GND #PWR026
+L GND #PWR14
 U 1 1 530DDB59
 P 3800 7700
-F 0 "#PWR026" H 3800 7700 30  0001 C CNN
+F 0 "#PWR14" H 3800 7700 30  0001 C CNN
 F 1 "GND" H 3800 7630 30  0001 C CNN
 F 2 "" H 3800 7700 60  0000 C CNN
 F 3 "" H 3800 7700 60  0000 C CNN
@@ -666,10 +666,10 @@ F 3 "" H 3800 7700 60  0000 C CNN
 	1    0    0    -1  
 $EndComp
 $Comp
-L +5V #PWR027
+L +5V #PWR13
 U 1 1 530E4827
 P 3800 5250
-F 0 "#PWR027" H 3800 5340 20  0001 C CNN
+F 0 "#PWR13" H 3800 5340 20  0001 C CNN
 F 1 "+5V" H 3800 5340 30  0000 C CNN
 F 2 "" H 3800 5250 60  0000 C CNN
 F 3 "" H 3800 5250 60  0000 C CNN
@@ -834,84 +834,84 @@ Wire Wire Line
 $Comp
 L 74HCT125 U3
 U 1 1 530E5BAD
-P 8800 4650
-F 0 "U3" H 8800 4400 60  0000 C CNN
-F 1 "74HCT125" V 8800 4700 60  0000 C CNN
-F 2 "~" H 9350 4950 60  0000 C CNN
-F 3 "~" H 9350 4950 60  0000 C CNN
-	1    8800 4650
+P 8000 4650
+F 0 "U3" H 8000 4400 60  0000 C CNN
+F 1 "74HCT125" V 8000 4700 60  0000 C CNN
+F 2 "~" H 8550 4950 60  0000 C CNN
+F 3 "~" H 8550 4950 60  0000 C CNN
+	1    8000 4650
 	1    0    0    -1  
 $EndComp
 Wire Wire Line
-	7850 4050 8100 4050
+	7050 4050 7300 4050
 Wire Wire Line
-	7850 4400 8100 4400
+	7050 4400 7300 4400
 Wire Wire Line
-	7850 4750 8100 4750
+	7050 4750 7300 4750
 Wire Wire Line
-	8100 5100 7850 5100
+	7300 5100 7050 5100
 Wire Wire Line
-	9500 4050 9650 4050
+	8700 4050 9950 4050
 Wire Wire Line
-	8000 4200 8100 4200
+	7200 4200 7300 4200
 Wire Wire Line
-	8000 4550 8100 4550
-Connection ~ 8000 4550
+	7200 4550 7300 4550
+Connection ~ 7200 4550
 Wire Wire Line
-	8000 4900 8100 4900
-Connection ~ 8000 4900
+	7200 4900 7300 4900
+Connection ~ 7200 4900
 Wire Wire Line
-	8000 5250 8100 5250
-Connection ~ 8000 5250
+	7200 5250 7300 5250
+Connection ~ 7200 5250
 $Comp
-L +5V #PWR028
+L +5V #PWR25
 U 1 1 530E62F0
-P 8800 3150
-F 0 "#PWR028" H 8800 3240 20  0001 C CNN
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 Wire Wire Line
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 $Comp
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 Wire Wire Line
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 Wire Wire Line
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 $EndComp
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 Wire Wire Line
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