diff --git a/mcp23017.pdf b/mcp23017.pdf
new file mode 100644
index 0000000..1e5abc0
Binary files /dev/null and b/mcp23017.pdf differ
diff --git a/platinedehaute/MCP23017.dcm b/platinedehaute/MCP23017.dcm
new file mode 100644
index 0000000..4553011
--- /dev/null
+++ b/platinedehaute/MCP23017.dcm
@@ -0,0 +1,3 @@
+EESchema-DOCLIB  Version 2.0  Date: Sunday, April 29, 2012 10:26:01 pm
+#
+#End Doc Library
diff --git a/platinedehaute/MCP23017.lib b/platinedehaute/MCP23017.lib
new file mode 100644
index 0000000..1e4a0e5
--- /dev/null
+++ b/platinedehaute/MCP23017.lib
@@ -0,0 +1,42 @@
+EESchema-LIBRARY Version 2.3  Date: Sunday, April 29, 2012 10:26:01 pm
+#encoding utf-8
+#
+# MCP23017
+#
+DEF MCP23017 U 0 40 Y Y 1 F N
+F0 "U" -550 1100 50 H V C CNN
+F1 "MCP23017" 450 -1100 50 H V C CNN
+F2 "MODULE" -500 -1100 50 H I C CNN
+F3 "DOCUMENTATION" 0 -50 50 H I C CNN
+DRAW
+S -650 -1050 650 1050 1 0 0 N
+X GPB0 1 950 50 300 L 50 50 1 1 T
+X GPB1 2 950 -50 300 L 50 50 1 1 T
+X GPB2 3 950 -150 300 L 50 50 1 1 T
+X GPB3 4 950 -250 300 L 50 50 1 1 T
+X GPB4 5 950 -350 300 L 50 50 1 1 T
+X GPB5 6 950 -450 300 L 50 50 1 1 T
+X GPB6 7 950 -550 300 L 50 50 1 1 T
+X GPB7 8 950 -650 300 L 50 50 1 1 T
+X VDD 9 0 1350 300 D 50 50 1 1 W
+X VSS 10 0 -1350 300 U 50 50 1 1 W
+X INTA 20 950 -800 300 L 50 50 1 1 O
+X GPA0 21 950 900 300 L 50 50 1 1 T
+X SCL 12 -950 -600 300 R 50 50 1 1 I
+X GPA1 22 950 800 300 L 50 50 1 1 T
+X SDA 13 -950 -500 300 R 50 50 1 1 T
+X GPA2 23 950 700 300 L 50 50 1 1 T
+X GPA3 24 950 600 300 L 50 50 1 1 T
+X A0 15 -950 450 300 R 50 50 1 1 I
+X GPA4 25 950 500 300 L 50 50 1 1 T
+X A1 16 -950 350 300 R 50 50 1 1 I
+X GPA5 26 950 400 300 L 50 50 1 1 T
+X A2 17 -950 250 300 R 50 50 1 1 I
+X GPA6 27 950 300 300 L 50 50 1 1 T
+X ~RESET 18 -950 900 300 R 50 50 1 1 I
+X GPA7 28 950 200 300 L 50 50 1 1 T
+X INTB 19 950 -900 300 L 50 50 1 1 O
+ENDDRAW
+ENDDEF
+#
+#End Library
diff --git a/platinedehaute/platinedehaute-cache.lib b/platinedehaute/platinedehaute-cache.lib
index 92c38f0..2229add 100644
--- a/platinedehaute/platinedehaute-cache.lib
+++ b/platinedehaute/platinedehaute-cache.lib
@@ -43,6 +43,118 @@ X ~ 8 400 400 100 L 50 50 1 1 P
 ENDDRAW
 ENDDEF
 #
+# Connector_Generic:Conn_01x03
+#
+DEF Connector_Generic:Conn_01x03 J 0 40 Y N 1 F N
+F0 "J" 0 200 50 H V C CNN
+F1 "Connector_Generic:Conn_01x03" 0 -200 50 H V C CNN
+F2 "" 0 0 50 H I C CNN
+F3 "" 0 0 50 H I C CNN
+$FPLIST
+ Connector*:*_1x??_*
+$ENDFPLIST
+DRAW
+S -50 -95 0 -105 1 1 6 N
+S -50 5 0 -5 1 1 6 N
+S -50 105 0 95 1 1 6 N
+S -50 150 50 -150 1 1 10 f
+X Pin_1 1 -200 100 150 R 50 50 1 1 P
+X Pin_2 2 -200 0 150 R 50 50 1 1 P
+X Pin_3 3 -200 -100 150 R 50 50 1 1 P
+ENDDRAW
+ENDDEF
+#
+# Connector_Generic:Conn_02x03_Odd_Even
+#
+DEF Connector_Generic:Conn_02x03_Odd_Even J 0 40 Y N 1 F N
+F0 "J" 50 200 50 H V C CNN
+F1 "Connector_Generic:Conn_02x03_Odd_Even" 50 -200 50 H V C CNN
+F2 "" 0 0 50 H I C CNN
+F3 "" 0 0 50 H I C CNN
+$FPLIST
+ Connector*:*_2x??_*
+$ENDFPLIST
+DRAW
+S -50 -95 0 -105 1 1 6 N
+S -50 5 0 -5 1 1 6 N
+S -50 105 0 95 1 1 6 N
+S -50 150 150 -150 1 1 10 f
+S 150 -95 100 -105 1 1 6 N
+S 150 5 100 -5 1 1 6 N
+S 150 105 100 95 1 1 6 N
+X Pin_1 1 -200 100 150 R 50 50 1 1 P
+X Pin_2 2 300 100 150 L 50 50 1 1 P
+X Pin_3 3 -200 0 150 R 50 50 1 1 P
+X Pin_4 4 300 0 150 L 50 50 1 1 P
+X Pin_5 5 -200 -100 150 R 50 50 1 1 P
+X Pin_6 6 300 -100 150 L 50 50 1 1 P
+ENDDRAW
+ENDDEF
+#
+# Device:C
+#
+DEF Device:C C 0 10 N Y 1 F N
+F0 "C" 25 100 50 H V L CNN
+F1 "Device:C" 25 -100 50 H V L CNN
+F2 "" 38 -150 50 H I C CNN
+F3 "" 0 0 50 H I C CNN
+$FPLIST
+ C_*
+$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 50 50 1 1 P
+X ~ 2 0 -150 110 U 50 50 1 1 P
+ENDDRAW
+ENDDEF
+#
+# Device:CP
+#
+DEF Device:CP C 0 10 N Y 1 F N
+F0 "C" 25 100 50 H V L CNN
+F1 "Device:CP" 25 -100 50 H V L CNN
+F2 "" 38 -150 50 H I C CNN
+F3 "" 0 0 50 H I C CNN
+$FPLIST
+ CP_*
+$ENDFPLIST
+DRAW
+S -90 20 -90 40 0 1 0 N
+S -90 20 90 20 0 1 0 N
+S 90 -20 -90 -40 0 1 0 F
+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 50 50 1 1 P
+X ~ 2 0 -150 110 U 50 50 1 1 P
+ENDDRAW
+ENDDEF
+#
+# Device:LED
+#
+DEF Device:LED D 0 40 N N 1 F N
+F0 "D" 0 100 50 H V C CNN
+F1 "Device:LED" 0 -100 50 H V C CNN
+F2 "" 0 0 50 H I C CNN
+F3 "" 0 0 50 H I C CNN
+$FPLIST
+ LED*
+ LED_SMD:*
+ LED_THT:*
+$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
+#
 # Device:Q_PNP_ECB
 #
 DEF Device:Q_PNP_ECB Q 0 0 Y N 1 F N
@@ -125,41 +237,6 @@ X R8 9 100 -200 100 U 50 50 1 1 P
 ENDDRAW
 ENDDEF
 #
-# Interface_Expansion:PCF8574
-#
-DEF Interface_Expansion:PCF8574 U 0 40 Y Y 1 F N
-F0 "U" -350 600 50 H V L CNN
-F1 "Interface_Expansion:PCF8574" 100 600 50 H V L CNN
-F2 "" 0 0 50 H I C CNN
-F3 "" 0 0 50 H I C CNN
-ALIAS PCF8574A
-$FPLIST
- DIP*
- PDIP*
- SO*
- SOIC*
-$ENDFPLIST
-DRAW
-S -350 -550 350 550 0 1 10 f
-X A0 1 -500 100 150 R 50 50 1 1 I
-X P5 10 500 -100 150 L 50 50 1 1 B
-X P6 11 500 -200 150 L 50 50 1 1 B
-X P7 12 500 -300 150 L 50 50 1 1 B
-X ~INT~ 13 -500 -400 150 R 50 50 1 1 C V
-X SCL 14 -500 400 150 R 50 50 1 1 I
-X SDA 15 -500 300 150 R 50 50 1 1 B
-X VDD 16 0 700 150 D 50 50 1 1 W
-X A1 2 -500 0 150 R 50 50 1 1 I
-X A2 3 -500 -100 150 R 50 50 1 1 I
-X P0 4 500 400 150 L 50 50 1 1 B
-X P1 5 500 300 150 L 50 50 1 1 B
-X P2 6 500 200 150 L 50 50 1 1 B
-X P3 7 500 100 150 L 50 50 1 1 B
-X VSS 8 0 -700 150 U 50 50 1 1 W
-X P4 9 500 0 150 L 50 50 1 1 B
-ENDDRAW
-ENDDEF
-#
 # Isolator:LTV-847
 #
 DEF Isolator:LTV-847 U 0 40 Y Y 4 F N
@@ -204,6 +281,59 @@ X ~ 9 300 -100 100 L 50 50 4 1 P
 ENDDRAW
 ENDDEF
 #
+# MCP23017:MCP23017
+#
+DEF MCP23017:MCP23017 U 0 40 Y Y 1 F N
+F0 "U" -550 1100 50 H V C CNN
+F1 "MCP23017:MCP23017" 450 -1100 50 H V C CNN
+F2 "MODULE" -500 -1100 50 H I C CNN
+F3 "DOCUMENTATION" 0 -50 50 H I C CNN
+DRAW
+S -650 -1050 650 1050 1 0 0 N
+X GPB0 1 950 50 300 L 50 50 1 1 T
+X VSS 10 0 -1350 300 U 50 50 1 1 W
+X SCL 12 -950 -600 300 R 50 50 1 1 I
+X SDA 13 -950 -500 300 R 50 50 1 1 T
+X A0 15 -950 450 300 R 50 50 1 1 I
+X A1 16 -950 350 300 R 50 50 1 1 I
+X A2 17 -950 250 300 R 50 50 1 1 I
+X ~RESET 18 -950 900 300 R 50 50 1 1 I
+X INTB 19 950 -900 300 L 50 50 1 1 O
+X GPB1 2 950 -50 300 L 50 50 1 1 T
+X INTA 20 950 -800 300 L 50 50 1 1 O
+X GPA0 21 950 900 300 L 50 50 1 1 T
+X GPA1 22 950 800 300 L 50 50 1 1 T
+X GPA2 23 950 700 300 L 50 50 1 1 T
+X GPA3 24 950 600 300 L 50 50 1 1 T
+X GPA4 25 950 500 300 L 50 50 1 1 T
+X GPA5 26 950 400 300 L 50 50 1 1 T
+X GPA6 27 950 300 300 L 50 50 1 1 T
+X GPA7 28 950 200 300 L 50 50 1 1 T
+X GPB2 3 950 -150 300 L 50 50 1 1 T
+X GPB3 4 950 -250 300 L 50 50 1 1 T
+X GPB4 5 950 -350 300 L 50 50 1 1 T
+X GPB5 6 950 -450 300 L 50 50 1 1 T
+X GPB6 7 950 -550 300 L 50 50 1 1 T
+X GPB7 8 950 -650 300 L 50 50 1 1 T
+X VDD 9 0 1350 300 D 50 50 1 1 W
+ENDDRAW
+ENDDEF
+#
+# power:+24V
+#
+DEF power:+24V #PWR 0 0 Y Y 1 F P
+F0 "#PWR" 0 -150 50 H I C CNN
+F1 "power:+24V" 0 140 50 H V C CNN
+F2 "" 0 0 50 H I C CNN
+F3 "" 0 0 50 H I C CNN
+DRAW
+P 2 0 1 0 -30 50 0 100 N
+P 2 0 1 0 0 0 0 100 N
+P 2 0 1 0 0 100 30 50 N
+X +24V 1 0 0 0 U 50 50 1 1 W N
+ENDDRAW
+ENDDEF
+#
 # power:+5V
 #
 DEF power:+5V #PWR 0 0 Y Y 1 F P
@@ -232,4 +362,23 @@ X GND 1 0 0 0 D 50 50 1 1 W N
 ENDDRAW
 ENDDEF
 #
+# power:GNDPWR
+#
+DEF power:GNDPWR #PWR 0 0 Y Y 1 F P
+F0 "#PWR" 0 -200 50 H I C CNN
+F1 "power:GNDPWR" 0 -130 50 H V C CNN
+F2 "" 0 -50 50 H I C CNN
+F3 "" 0 -50 50 H I C CNN
+DRAW
+P 2 0 1 0 0 -50 0 0 N
+P 3 0 1 8 -40 -50 -50 -80 -50 -80 N
+P 3 0 1 8 -20 -50 -30 -80 -30 -80 N
+P 3 0 1 8 0 -50 -10 -80 -10 -80 N
+P 3 0 1 8 20 -50 10 -80 10 -80 N
+P 3 0 1 8 40 -50 -40 -50 -40 -50 N
+P 4 0 1 8 40 -50 30 -80 30 -80 30 -80 N
+X GNDPWR 1 0 0 0 D 50 50 1 1 W N
+ENDDRAW
+ENDDEF
+#
 #End Library
diff --git a/platinedehaute/platinedehaute.bak b/platinedehaute/platinedehaute.bak
new file mode 100644
index 0000000..6ec4983
--- /dev/null
+++ b/platinedehaute/platinedehaute.bak
@@ -0,0 +1,1452 @@
+EESchema Schematic File Version 4
+LIBS:platinedehaute-cache
+EELAYER 26 0
+EELAYER END
+$Descr A4 11693 8268
+encoding utf-8
+Sheet 1 1
+Title ""
+Date ""
+Rev ""
+Comp ""
+Comment1 ""
+Comment2 ""
+Comment3 ""
+Comment4 ""
+$EndDescr
+$Comp
+L Connector:8P8C J?
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+P 7600 2550
+F 0 "J?" H 7655 3217 50  0000 C CNN
+F 1 "8P8C" H 7655 3126 50  0000 C CNN
+F 2 "" V 7600 2575 50  0001 C CNN
+F 3 "~" V 7600 2575 50  0001 C CNN
+	1    7600 2550
+	-1   0    0    1   
+$EndComp
+$Comp
+L power:GND #PWR?
+U 1 1 5B72E959
+P 2150 4850
+F 0 "#PWR?" H 2150 4600 50  0001 C CNN
+F 1 "GND" H 2155 4677 50  0000 C CNN
+F 2 "" H 2150 4850 50  0001 C CNN
+F 3 "" H 2150 4850 50  0001 C CNN
+	1    2150 4850
+	1    0    0    -1  
+$EndComp
+$Comp
+L power:+5V #PWR?
+U 1 1 5B72E9AC
+P 2150 1950
+F 0 "#PWR?" H 2150 1800 50  0001 C CNN
+F 1 "+5V" H 2165 2123 50  0000 C CNN
+F 2 "" H 2150 1950 50  0001 C CNN
+F 3 "" H 2150 1950 50  0001 C CNN
+	1    2150 1950
+	1    0    0    -1  
+$EndComp
+NoConn ~ 17850 -3100
+NoConn ~ 24650 -800
+$Comp
+L Isolator:LTV-847 U?
+U 1 1 5B733EB2
+P 4750 3600
+F 0 "U?" H 4750 3925 50  0000 C CNN
+F 1 "LTV-847" H 4750 3834 50  0000 C CNN
+F 2 "Package_DIP:DIP-16_W7.62mm" H 4550 3400 50  0001 L CIN
+F 3 "http://optoelectronics.liteon.com/upload/download/DS-70-96-0016/LTV-8X7%20series.PDF" H 4750 3600 50  0001 L CNN
+	1    4750 3600
+	1    0    0    -1  
+$EndComp
+$Comp
+L Isolator:LTV-847 U?
+U 2 1 5B733FBE
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+F 0 "U?" H 4750 4375 50  0000 C CNN
+F 1 "LTV-847" H 4750 4284 50  0000 C CNN
+F 2 "Package_DIP:DIP-16_W7.62mm" H 4550 3850 50  0001 L CIN
+F 3 "http://optoelectronics.liteon.com/upload/download/DS-70-96-0016/LTV-8X7%20series.PDF" H 4750 4050 50  0001 L CNN
+	2    4750 4050
+	1    0    0    -1  
+$EndComp
+$Comp
+L Isolator:LTV-847 U?
+U 3 1 5B734057
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+F 0 "U?" H 4750 4825 50  0000 C CNN
+F 1 "LTV-847" H 4750 4734 50  0000 C CNN
+F 2 "Package_DIP:DIP-16_W7.62mm" H 4550 4300 50  0001 L CIN
+F 3 "http://optoelectronics.liteon.com/upload/download/DS-70-96-0016/LTV-8X7%20series.PDF" H 4750 4500 50  0001 L CNN
+	3    4750 4500
+	1    0    0    -1  
+$EndComp
+$Comp
+L Isolator:LTV-847 U?
+U 4 1 5B7340EB
+P 4750 4950
+F 0 "U?" H 4750 5275 50  0000 C CNN
+F 1 "LTV-847" H 4750 5184 50  0000 C CNN
+F 2 "Package_DIP:DIP-16_W7.62mm" H 4550 4750 50  0001 L CIN
+F 3 "http://optoelectronics.liteon.com/upload/download/DS-70-96-0016/LTV-8X7%20series.PDF" H 4750 4950 50  0001 L CNN
+	4    4750 4950
+	1    0    0    -1  
+$EndComp
+$Comp
+L Isolator:LTV-847 U?
+U 1 1 5B7353E2
+P 4750 1800
+F 0 "U?" H 4750 2125 50  0000 C CNN
+F 1 "LTV-847" H 4750 2034 50  0000 C CNN
+F 2 "Package_DIP:DIP-16_W7.62mm" H 4550 1600 50  0001 L CIN
+F 3 "http://optoelectronics.liteon.com/upload/download/DS-70-96-0016/LTV-8X7%20series.PDF" H 4750 1800 50  0001 L CNN
+	1    4750 1800
+	1    0    0    -1  
+$EndComp
+$Comp
+L Isolator:LTV-847 U?
+U 2 1 5B7353E8
+P 4750 2250
+F 0 "U?" H 4750 2575 50  0000 C CNN
+F 1 "LTV-847" H 4750 2484 50  0000 C CNN
+F 2 "Package_DIP:DIP-16_W7.62mm" H 4550 2050 50  0001 L CIN
+F 3 "http://optoelectronics.liteon.com/upload/download/DS-70-96-0016/LTV-8X7%20series.PDF" H 4750 2250 50  0001 L CNN
+	2    4750 2250
+	1    0    0    -1  
+$EndComp
+$Comp
+L Isolator:LTV-847 U?
+U 3 1 5B7353EE
+P 4750 2700
+F 0 "U?" H 4750 3025 50  0000 C CNN
+F 1 "LTV-847" H 4750 2934 50  0000 C CNN
+F 2 "Package_DIP:DIP-16_W7.62mm" H 4550 2500 50  0001 L CIN
+F 3 "http://optoelectronics.liteon.com/upload/download/DS-70-96-0016/LTV-8X7%20series.PDF" H 4750 2700 50  0001 L CNN
+	3    4750 2700
+	1    0    0    -1  
+$EndComp
+$Comp
+L Isolator:LTV-847 U?
+U 4 1 5B7353F4
+P 4750 3150
+F 0 "U?" H 4750 3475 50  0000 C CNN
+F 1 "LTV-847" H 4750 3384 50  0000 C CNN
+F 2 "Package_DIP:DIP-16_W7.62mm" H 4550 2950 50  0001 L CIN
+F 3 "http://optoelectronics.liteon.com/upload/download/DS-70-96-0016/LTV-8X7%20series.PDF" H 4750 3150 50  0001 L CNN
+	4    4750 3150
+	1    0    0    -1  
+$EndComp
+$Comp
+L Device:Q_PNP_ECB Q?
+U 1 1 5B738E50
+P 6150 1700
+F 0 "Q?" H 6341 1654 50  0000 L CNN
+F 1 "Q_PNP_ECB" H 6341 1745 50  0000 L CNN
+F 2 "" H 6350 1800 50  0001 C CNN
+F 3 "~" H 6150 1700 50  0001 C CNN
+	1    6150 1700
+	1    0    0    1   
+$EndComp
+$Comp
+L Device:Q_PNP_ECB Q?
+U 1 1 5B73B28F
+P 6150 2150
+F 0 "Q?" H 6341 2104 50  0000 L CNN
+F 1 "Q_PNP_ECB" H 6341 2195 50  0000 L CNN
+F 2 "" H 6350 2250 50  0001 C CNN
+F 3 "~" H 6150 2150 50  0001 C CNN
+	1    6150 2150
+	1    0    0    1   
+$EndComp
+$Comp
+L Device:Q_PNP_ECB Q?
+U 1 1 5B73B2EB
+P 6150 2600
+F 0 "Q?" H 6341 2554 50  0000 L CNN
+F 1 "Q_PNP_ECB" H 6341 2645 50  0000 L CNN
+F 2 "" H 6350 2700 50  0001 C CNN
+F 3 "~" H 6150 2600 50  0001 C CNN
+	1    6150 2600
+	1    0    0    1   
+$EndComp
+$Comp
+L Device:Q_PNP_ECB Q?
+U 1 1 5B741988
+P 6150 3050
+F 0 "Q?" H 6341 3004 50  0000 L CNN
+F 1 "Q_PNP_ECB" H 6341 3095 50  0000 L CNN
+F 2 "" H 6350 3150 50  0001 C CNN
+F 3 "~" H 6150 3050 50  0001 C CNN
+	1    6150 3050
+	1    0    0    1   
+$EndComp
+$Comp
+L Device:Q_PNP_ECB Q?
+U 1 1 5B74198E
+P 6150 3500
+F 0 "Q?" H 6341 3454 50  0000 L CNN
+F 1 "Q_PNP_ECB" H 6341 3545 50  0000 L CNN
+F 2 "" H 6350 3600 50  0001 C CNN
+F 3 "~" H 6150 3500 50  0001 C CNN
+	1    6150 3500
+	1    0    0    1   
+$EndComp
+$Comp
+L Device:Q_PNP_ECB Q?
+U 1 1 5B741994
+P 6150 3950
+F 0 "Q?" H 6341 3904 50  0000 L CNN
+F 1 "Q_PNP_ECB" H 6341 3995 50  0000 L CNN
+F 2 "" H 6350 4050 50  0001 C CNN
+F 3 "~" H 6150 3950 50  0001 C CNN
+	1    6150 3950
+	1    0    0    1   
+$EndComp
+$Comp
+L Device:Q_PNP_ECB Q?
+U 1 1 5B741B64
+P 6150 4400
+F 0 "Q?" H 6341 4354 50  0000 L CNN
+F 1 "Q_PNP_ECB" H 6341 4445 50  0000 L CNN
+F 2 "" H 6350 4500 50  0001 C CNN
+F 3 "~" H 6150 4400 50  0001 C CNN
+	1    6150 4400
+	1    0    0    1   
+$EndComp
+$Comp
+L Device:Q_PNP_ECB Q?
+U 1 1 5B741B6A
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+F 0 "Q?" H 6341 4804 50  0000 L CNN
+F 1 "Q_PNP_ECB" H 6341 4895 50  0000 L CNN
+F 2 "" H 6350 4950 50  0001 C CNN
+F 3 "~" H 6150 4850 50  0001 C CNN
+	1    6150 4850
+	1    0    0    1   
+$EndComp
+Wire Wire Line
+	7200 2250 6900 2250
+Wire Wire Line
+	6900 2250 6900 1900
+Wire Wire Line
+	6250 3250 6650 3250
+Wire Wire Line
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+	6700 3700 6700 2850
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+	6700 2850 7200 2850
+Wire Wire Line
+	6250 4150 6750 4150
+Wire Wire Line
+	6750 4150 6750 2950
+Wire Wire Line
+	6750 2950 7200 2950
+$Comp
+L Connector:8P8C J?
+U 1 1 5B742CE5
+P 7600 4900
+F 0 "J?" H 7655 5567 50  0000 C CNN
+F 1 "8P8C" H 7655 5476 50  0000 C CNN
+F 2 "" V 7600 4925 50  0001 C CNN
+F 3 "~" V 7600 4925 50  0001 C CNN
+	1    7600 4900
+	-1   0    0    1   
+$EndComp
+$Comp
+L Isolator:LTV-847 U?
+U 1 1 5B745234
+P 4750 5400
+F 0 "U?" H 4750 5725 50  0000 C CNN
+F 1 "LTV-847" H 4750 5634 50  0000 C CNN
+F 2 "Package_DIP:DIP-16_W7.62mm" H 4550 5200 50  0001 L CIN
+F 3 "http://optoelectronics.liteon.com/upload/download/DS-70-96-0016/LTV-8X7%20series.PDF" H 4750 5400 50  0001 L CNN
+	1    4750 5400
+	1    0    0    -1  
+$EndComp
+$Comp
+L Isolator:LTV-847 U?
+U 2 1 5B74523A
+P 4750 5850
+F 0 "U?" H 4750 6175 50  0000 C CNN
+F 1 "LTV-847" H 4750 6084 50  0000 C CNN
+F 2 "Package_DIP:DIP-16_W7.62mm" H 4550 5650 50  0001 L CIN
+F 3 "http://optoelectronics.liteon.com/upload/download/DS-70-96-0016/LTV-8X7%20series.PDF" H 4750 5850 50  0001 L CNN
+	2    4750 5850
+	1    0    0    -1  
+$EndComp
+$Comp
+L Isolator:LTV-847 U?
+U 3 1 5B745240
+P 4750 6300
+F 0 "U?" H 4750 6625 50  0000 C CNN
+F 1 "LTV-847" H 4750 6534 50  0000 C CNN
+F 2 "Package_DIP:DIP-16_W7.62mm" H 4550 6100 50  0001 L CIN
+F 3 "http://optoelectronics.liteon.com/upload/download/DS-70-96-0016/LTV-8X7%20series.PDF" H 4750 6300 50  0001 L CNN
+	3    4750 6300
+	1    0    0    -1  
+$EndComp
+$Comp
+L Isolator:LTV-847 U?
+U 4 1 5B745246
+P 4750 6750
+F 0 "U?" H 4750 7075 50  0000 C CNN
+F 1 "LTV-847" H 4750 6984 50  0000 C CNN
+F 2 "Package_DIP:DIP-16_W7.62mm" H 4550 6550 50  0001 L CIN
+F 3 "http://optoelectronics.liteon.com/upload/download/DS-70-96-0016/LTV-8X7%20series.PDF" H 4750 6750 50  0001 L CNN
+	4    4750 6750
+	1    0    0    -1  
+$EndComp
+$Comp
+L Device:Q_PNP_ECB Q?
+U 1 1 5B74524C
+P 6150 5300
+F 0 "Q?" H 6341 5254 50  0000 L CNN
+F 1 "Q_PNP_ECB" H 6341 5345 50  0000 L CNN
+F 2 "" H 6350 5400 50  0001 C CNN
+F 3 "~" H 6150 5300 50  0001 C CNN
+	1    6150 5300
+	1    0    0    1   
+$EndComp
+$Comp
+L Device:Q_PNP_ECB Q?
+U 1 1 5B745252
+P 6150 5750
+F 0 "Q?" H 6341 5704 50  0000 L CNN
+F 1 "Q_PNP_ECB" H 6341 5795 50  0000 L CNN
+F 2 "" H 6350 5850 50  0001 C CNN
+F 3 "~" H 6150 5750 50  0001 C CNN
+	1    6150 5750
+	1    0    0    1   
+$EndComp
+$Comp
+L Device:Q_PNP_ECB Q?
+U 1 1 5B745258
+P 6150 6200
+F 0 "Q?" H 6341 6154 50  0000 L CNN
+F 1 "Q_PNP_ECB" H 6341 6245 50  0000 L CNN
+F 2 "" H 6350 6300 50  0001 C CNN
+F 3 "~" H 6150 6200 50  0001 C CNN
+	1    6150 6200
+	1    0    0    1   
+$EndComp
+$Comp
+L Device:Q_PNP_ECB Q?
+U 1 1 5B74525E
+P 6150 6650
+F 0 "Q?" H 6341 6604 50  0000 L CNN
+F 1 "Q_PNP_ECB" H 6341 6695 50  0000 L CNN
+F 2 "" H 6350 6750 50  0001 C CNN
+F 3 "~" H 6150 6650 50  0001 C CNN
+	1    6150 6650
+	1    0    0    1   
+$EndComp
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Connection ~ 6900 5000
+Wire Wire Line
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+L Device:R_Network12 RN?
+U 1 1 5B75C1E1
+P 5500 1100
+F 0 "RN?" H 6080 1146 50  0000 L CNN
+F 1 "R_Network12" H 6080 1055 50  0000 L CNN
+F 2 "Resistor_THT:R_Array_SIP13" V 6175 1100 50  0001 C CNN
+F 3 "http://www.vishay.com/docs/31509/csc.pdf" H 5500 1100 50  0001 C CNN
+	1    5500 1100
+	1    0    0    -1  
+$EndComp
+$Comp
+L Device:R_Network12 RN?
+U 1 1 5B75C249
+P 3500 7200
+F 0 "RN?" H 4080 7246 50  0000 L CNN
+F 1 "R_Network12" H 4080 7155 50  0000 L CNN
+F 2 "Resistor_THT:R_Array_SIP13" V 4175 7200 50  0001 C CNN
+F 3 "http://www.vishay.com/docs/31509/csc.pdf" H 3500 7200 50  0001 C CNN
+	1    3500 7200
+	1    0    0    1   
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+L MCP23017:MCP23017 U?
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+P 2150 3400
+F 0 "U?" H 2150 4928 50  0000 C CNN
+F 1 "MCP23017" H 2150 4837 50  0000 C CNN
+F 2 "MODULE" H 1650 2300 50  0001 C CNN
+F 3 "DOCUMENTATION" H 2150 3350 50  0001 C CNN
+	1    2150 3400
+	1    0    0    -1  
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+P 6500 900
+F 0 "#PWR?" H 6500 750 50  0001 C CNN
+F 1 "+24V" H 6515 1073 50  0000 C CNN
+F 2 "" H 6500 900 50  0001 C CNN
+F 3 "" H 6500 900 50  0001 C CNN
+	1    6500 900 
+	1    0    0    -1  
+$EndComp
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+L power:GNDPWR #PWR?
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+P 6600 7100
+F 0 "#PWR?" H 6600 6900 50  0001 C CNN
+F 1 "GNDPWR" H 6604 6946 50  0000 C CNN
+F 2 "" H 6600 7050 50  0001 C CNN
+F 3 "" H 6600 7050 50  0001 C CNN
+	1    6600 7100
+	1    0    0    -1  
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+Connection ~ 5400 2150
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+Connection ~ 5450 2600
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+Connection ~ 5600 3950
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+Connection ~ 6500 1500
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+P 4250 3700
+F 0 "D?" H 4241 3916 50  0000 C CNN
+F 1 "LED" H 4241 3825 50  0000 C CNN
+F 2 "" H 4250 3700 50  0001 C CNN
+F 3 "~" H 4250 3700 50  0001 C CNN
+	1    4250 3700
+	1    0    0    -1  
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+F 0 "D?" H 4241 4366 50  0000 C CNN
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+F 2 "" H 4250 4150 50  0001 C CNN
+F 3 "~" H 4250 4150 50  0001 C CNN
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+	1    0    0    -1  
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+$Comp
+L Device:LED D?
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+F 0 "D?" H 4241 4816 50  0000 C CNN
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+F 2 "" H 4250 4600 50  0001 C CNN
+F 3 "~" H 4250 4600 50  0001 C CNN
+	1    4250 4600
+	1    0    0    -1  
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+$Comp
+L Device:LED D?
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+P 4250 5050
+F 0 "D?" H 4241 5266 50  0000 C CNN
+F 1 "LED" H 4241 5175 50  0000 C CNN
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+F 3 "~" H 4250 5050 50  0001 C CNN
+	1    4250 5050
+	1    0    0    -1  
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+$Comp
+L Device:LED D?
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+F 0 "D?" H 4241 2116 50  0000 C CNN
+F 1 "LED" H 4241 2025 50  0000 C CNN
+F 2 "" H 4250 1900 50  0001 C CNN
+F 3 "~" H 4250 1900 50  0001 C CNN
+	1    4250 1900
+	1    0    0    -1  
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+L Device:LED D?
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+F 0 "D?" H 4241 2566 50  0000 C CNN
+F 1 "LED" H 4241 2475 50  0000 C CNN
+F 2 "" H 4250 2350 50  0001 C CNN
+F 3 "~" H 4250 2350 50  0001 C CNN
+	1    4250 2350
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+L Device:LED D?
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+F 0 "D?" H 4241 3016 50  0000 C CNN
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+F 2 "" H 4250 2800 50  0001 C CNN
+F 3 "~" H 4250 2800 50  0001 C CNN
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+F 0 "D?" H 4241 3466 50  0000 C CNN
+F 1 "LED" H 4241 3375 50  0000 C CNN
+F 2 "" H 4250 3250 50  0001 C CNN
+F 3 "~" H 4250 3250 50  0001 C CNN
+	1    4250 3250
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+$Comp
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+F 0 "D?" H 4241 5716 50  0000 C CNN
+F 1 "LED" H 4241 5625 50  0000 C CNN
+F 2 "" H 4250 5500 50  0001 C CNN
+F 3 "~" H 4250 5500 50  0001 C CNN
+	1    4250 5500
+	1    0    0    -1  
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+L Device:LED D?
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+F 0 "D?" H 4241 6166 50  0000 C CNN
+F 1 "LED" H 4241 6075 50  0000 C CNN
+F 2 "" H 4250 5950 50  0001 C CNN
+F 3 "~" H 4250 5950 50  0001 C CNN
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+F 0 "D?" H 4241 6616 50  0000 C CNN
+F 1 "LED" H 4241 6525 50  0000 C CNN
+F 2 "" H 4250 6400 50  0001 C CNN
+F 3 "~" H 4250 6400 50  0001 C CNN
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+	1    0    0    -1  
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+$Comp
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+F 0 "D?" H 4241 7066 50  0000 C CNN
+F 1 "LED" H 4241 6975 50  0000 C CNN
+F 2 "" H 4250 6850 50  0001 C CNN
+F 3 "~" H 4250 6850 50  0001 C CNN
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+F 0 "#PWR?" H 2900 7200 50  0001 C CNN
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+F 2 "" H 2900 7450 50  0001 C CNN
+F 3 "" H 2900 7450 50  0001 C CNN
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+L Device:R_Network12 RN?
+U 1 1 5B75BF03
+P 5700 7200
+F 0 "RN?" H 5020 7154 50  0000 R CNN
+F 1 "R_Network12" H 5020 7245 50  0000 R CNN
+F 2 "Resistor_THT:R_Array_SIP13" V 6375 7200 50  0001 C CNN
+F 3 "http://www.vishay.com/docs/31509/csc.pdf" H 5700 7200 50  0001 C CNN
+	1    5700 7200
+	1    0    0    1   
+$EndComp
+Wire Wire Line
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+Wire Wire Line
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+F 2 "" H 1350 1000 50  0001 C CNN
+F 3 "~" H 1350 1000 50  0001 C CNN
+	1    1350 1000
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+L Connector_Generic:Conn_01x03 J?
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+F 3 "~" H 1350 1350 50  0001 C CNN
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+F 2 "" H 1350 1700 50  0001 C CNN
+F 3 "~" H 1350 1700 50  0001 C CNN
+	1    1350 1700
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+F 2 "" H 800 700 50  0001 C CNN
+F 3 "" H 800 700 50  0001 C CNN
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+F 3 "" H 600 1950 50  0001 C CNN
+	1    600  1950
+	1    0    0    -1  
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+Wire Wire Line
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+Wire Wire Line
+	1050 1700 1150 1700
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+	1050 2950 1200 2950
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+Wire Wire Line
+	800  1250 800  900 
+Wire Wire Line
+	1150 900  800  900 
+Connection ~ 800  900 
+Wire Wire Line
+	800  900  800  700 
+$Comp
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+F 2 "" H 1188 5350 50  0001 C CNN
+F 3 "~" H 1150 5500 50  0001 C CNN
+	1    1150 5500
+	1    0    0    -1  
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+L Device:CP C?
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+F 0 "C?" H 1818 5546 50  0000 L CNN
+F 1 "100µF" H 1818 5455 50  0000 L CNN
+F 2 "" H 1738 5350 50  0001 C CNN
+F 3 "~" H 1700 5500 50  0001 C CNN
+	1    1700 5500
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+L power:GND #PWR?
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+F 0 "#PWR?" H 1700 5550 50  0001 C CNN
+F 1 "GND" H 1705 5627 50  0000 C CNN
+F 2 "" H 1700 5800 50  0001 C CNN
+F 3 "" H 1700 5800 50  0001 C CNN
+	1    1700 5800
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+$Comp
+L power:GND #PWR?
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+F 0 "#PWR?" H 1150 5550 50  0001 C CNN
+F 1 "GND" H 1155 5627 50  0000 C CNN
+F 2 "" H 1150 5800 50  0001 C CNN
+F 3 "" H 1150 5800 50  0001 C CNN
+	1    1150 5800
+	1    0    0    -1  
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+L power:+5V #PWR?
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+F 0 "#PWR?" H 1150 5050 50  0001 C CNN
+F 1 "+5V" H 1165 5373 50  0000 C CNN
+F 2 "" H 1150 5200 50  0001 C CNN
+F 3 "" H 1150 5200 50  0001 C CNN
+	1    1150 5200
+	1    0    0    -1  
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+L power:+5V #PWR?
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+F 0 "#PWR?" H 1700 5050 50  0001 C CNN
+F 1 "+5V" H 1715 5373 50  0000 C CNN
+F 2 "" H 1700 5200 50  0001 C CNN
+F 3 "" H 1700 5200 50  0001 C CNN
+	1    1700 5200
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	1700 5350 1700 5200
+Wire Wire Line
+	1150 5350 1150 5200
+Wire Wire Line
+	1150 5650 1150 5800
+Wire Wire Line
+	1700 5800 1700 5650
+$Comp
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+U 1 1 5CA85AEF
+P 1450 6700
+F 0 "J?" H 1500 7017 50  0000 C CNN
+F 1 "CONN_I2C" H 1500 6926 50  0000 C CNN
+F 2 "" H 1450 6700 50  0001 C CNN
+F 3 "~" H 1450 6700 50  0001 C CNN
+	1    1450 6700
+	1    0    0    -1  
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+L power:+5V #PWR?
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+F 0 "#PWR?" H 1150 6200 50  0001 C CNN
+F 1 "+5V" H 1165 6523 50  0000 C CNN
+F 2 "" H 1150 6350 50  0001 C CNN
+F 3 "" H 1150 6350 50  0001 C CNN
+	1    1150 6350
+	1    0    0    -1  
+$EndComp
+$Comp
+L power:+5V #PWR?
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+F 0 "#PWR?" H 1900 6200 50  0001 C CNN
+F 1 "+5V" H 1915 6523 50  0000 C CNN
+F 2 "" H 1900 6350 50  0001 C CNN
+F 3 "" H 1900 6350 50  0001 C CNN
+	1    1900 6350
+	1    0    0    -1  
+$EndComp
+$Comp
+L power:GND #PWR?
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+F 0 "#PWR?" H 1900 6650 50  0001 C CNN
+F 1 "GND" H 1905 6727 50  0000 C CNN
+F 2 "" H 1900 6900 50  0001 C CNN
+F 3 "" H 1900 6900 50  0001 C CNN
+	1    1900 6900
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+$Comp
+L power:GND #PWR?
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+P 1150 6900
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+F 1 "GND" H 1155 6727 50  0000 C CNN
+F 2 "" H 1150 6900 50  0001 C CNN
+F 3 "" H 1150 6900 50  0001 C CNN
+	1    1150 6900
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+Wire Wire Line
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+Text Label 1100 6700 0    50   ~ 0
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+Text Label 1800 6700 0    50   ~ 0
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+$EndSCHEMATC
diff --git a/platinedehaute/platinedehaute.sch b/platinedehaute/platinedehaute.sch
index 44553cf..452b469 100644
--- a/platinedehaute/platinedehaute.sch
+++ b/platinedehaute/platinedehaute.sch
@@ -1,4 +1,5 @@
 EESchema Schematic File Version 4
+LIBS:platinedehaute-cache
 EELAYER 26 0
 EELAYER END
 $Descr A4 11693 8268
@@ -16,633 +17,1436 @@ $EndDescr
 $Comp
 L Connector:8P8C J?
 U 1 1 5B72E546
-P 7200 2150
-F 0 "J?" H 7255 2817 50  0000 C CNN
-F 1 "8P8C" H 7255 2726 50  0000 C CNN
-F 2 "" V 7200 2175 50  0001 C CNN
-F 3 "~" V 7200 2175 50  0001 C CNN
-	1    7200 2150
+P 7600 2550
+F 0 "J?" H 7655 3217 50  0000 C CNN
+F 1 "8P8C" H 7655 3126 50  0000 C CNN
+F 2 "" V 7600 2575 50  0001 C CNN
+F 3 "~" V 7600 2575 50  0001 C CNN
+	1    7600 2550
 	-1   0    0    1   
 $EndComp
 $Comp
-L Interface_Expansion:PCF8574 U?
-U 1 1 5B72E735
-P 1400 5950
-F 0 "U?" H 1400 6828 50  0000 C CNN
-F 1 "PCF8574" H 1400 6737 50  0000 C CNN
-F 2 "" H 1400 5950 50  0001 C CNN
-F 3 "http://www.nxp.com/documents/data_sheet/PCF8574_PCF8574A.pdf" H 1400 5950 50  0001 C CNN
-	1    1400 5950
-	1    0    0    -1  
-$EndComp
-$Comp
 L power:GND #PWR?
 U 1 1 5B72E959
-P 1400 6800
-F 0 "#PWR?" H 1400 6550 50  0001 C CNN
-F 1 "GND" H 1405 6627 50  0000 C CNN
-F 2 "" H 1400 6800 50  0001 C CNN
-F 3 "" H 1400 6800 50  0001 C CNN
-	1    1400 6800
+P 2150 4850
+F 0 "#PWR?" H 2150 4600 50  0001 C CNN
+F 1 "GND" H 2155 4677 50  0000 C CNN
+F 2 "" H 2150 4850 50  0001 C CNN
+F 3 "" H 2150 4850 50  0001 C CNN
+	1    2150 4850
 	1    0    0    -1  
 $EndComp
 $Comp
 L power:+5V #PWR?
 U 1 1 5B72E9AC
-P 1400 5150
-F 0 "#PWR?" H 1400 5000 50  0001 C CNN
-F 1 "+5V" H 1415 5323 50  0000 C CNN
-F 2 "" H 1400 5150 50  0001 C CNN
-F 3 "" H 1400 5150 50  0001 C CNN
-	1    1400 5150
+P 2150 1950
+F 0 "#PWR?" H 2150 1800 50  0001 C CNN
+F 1 "+5V" H 2165 2123 50  0000 C CNN
+F 2 "" H 2150 1950 50  0001 C CNN
+F 3 "" H 2150 1950 50  0001 C CNN
+	1    2150 1950
 	1    0    0    -1  
 $EndComp
-Wire Wire Line
-	1400 5150 1400 5250
-Wire Wire Line
-	1400 6650 1400 6800
 NoConn ~ 17850 -3100
 NoConn ~ 24650 -800
 $Comp
 L Isolator:LTV-847 U?
 U 1 1 5B733EB2
-P 3200 3100
-F 0 "U?" H 3200 3425 50  0000 C CNN
-F 1 "LTV-847" H 3200 3334 50  0000 C CNN
-F 2 "Package_DIP:DIP-16_W7.62mm" H 3000 2900 50  0001 L CIN
-F 3 "http://optoelectronics.liteon.com/upload/download/DS-70-96-0016/LTV-8X7%20series.PDF" H 3200 3100 50  0001 L CNN
-	1    3200 3100
+P 4750 3600
+F 0 "U?" H 4750 3925 50  0000 C CNN
+F 1 "LTV-847" H 4750 3834 50  0000 C CNN
+F 2 "Package_DIP:DIP-16_W7.62mm" H 4550 3400 50  0001 L CIN
+F 3 "http://optoelectronics.liteon.com/upload/download/DS-70-96-0016/LTV-8X7%20series.PDF" H 4750 3600 50  0001 L CNN
+	1    4750 3600
 	1    0    0    -1  
 $EndComp
 $Comp
 L Isolator:LTV-847 U?
 U 2 1 5B733FBE
-P 3200 3650
-F 0 "U?" H 3200 3975 50  0000 C CNN
-F 1 "LTV-847" H 3200 3884 50  0000 C CNN
-F 2 "Package_DIP:DIP-16_W7.62mm" H 3000 3450 50  0001 L CIN
-F 3 "http://optoelectronics.liteon.com/upload/download/DS-70-96-0016/LTV-8X7%20series.PDF" H 3200 3650 50  0001 L CNN
-	2    3200 3650
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+F 0 "U?" H 4750 4375 50  0000 C CNN
+F 1 "LTV-847" H 4750 4284 50  0000 C CNN
+F 2 "Package_DIP:DIP-16_W7.62mm" H 4550 3850 50  0001 L CIN
+F 3 "http://optoelectronics.liteon.com/upload/download/DS-70-96-0016/LTV-8X7%20series.PDF" H 4750 4050 50  0001 L CNN
+	2    4750 4050
 	1    0    0    -1  
 $EndComp
 $Comp
 L Isolator:LTV-847 U?
 U 3 1 5B734057
-P 3200 4200
-F 0 "U?" H 3200 4525 50  0000 C CNN
-F 1 "LTV-847" H 3200 4434 50  0000 C CNN
-F 2 "Package_DIP:DIP-16_W7.62mm" H 3000 4000 50  0001 L CIN
-F 3 "http://optoelectronics.liteon.com/upload/download/DS-70-96-0016/LTV-8X7%20series.PDF" H 3200 4200 50  0001 L CNN
-	3    3200 4200
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 $EndComp
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 L Isolator:LTV-847 U?
 U 4 1 5B7340EB
-P 3200 4750
-F 0 "U?" H 3200 5075 50  0000 C CNN
-F 1 "LTV-847" H 3200 4984 50  0000 C CNN
-F 2 "Package_DIP:DIP-16_W7.62mm" H 3000 4550 50  0001 L CIN
-F 3 "http://optoelectronics.liteon.com/upload/download/DS-70-96-0016/LTV-8X7%20series.PDF" H 3200 4750 50  0001 L CNN
-	4    3200 4750
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+F 0 "U?" H 4750 5275 50  0000 C CNN
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 L Isolator:LTV-847 U?
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-F 3 "http://optoelectronics.liteon.com/upload/download/DS-70-96-0016/LTV-8X7%20series.PDF" H 3200 950 50  0001 L CNN
-	1    3200 950 
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 L Isolator:LTV-847 U?
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-F 3 "http://optoelectronics.liteon.com/upload/download/DS-70-96-0016/LTV-8X7%20series.PDF" H 3200 1500 50  0001 L CNN
-	2    3200 1500
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 L Isolator:LTV-847 U?
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-F 3 "http://optoelectronics.liteon.com/upload/download/DS-70-96-0016/LTV-8X7%20series.PDF" H 3200 2050 50  0001 L CNN
-	3    3200 2050
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+F 2 "Package_DIP:DIP-16_W7.62mm" H 4550 2500 50  0001 L CIN
+F 3 "http://optoelectronics.liteon.com/upload/download/DS-70-96-0016/LTV-8X7%20series.PDF" H 4750 2700 50  0001 L CNN
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 $EndComp
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 L Isolator:LTV-847 U?
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-F 0 "U?" H 3200 2875 50  0000 C CNN
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-F 2 "Package_DIP:DIP-16_W7.62mm" H 3000 2350 50  0001 L CIN
-F 3 "http://optoelectronics.liteon.com/upload/download/DS-70-96-0016/LTV-8X7%20series.PDF" H 3200 2550 50  0001 L CNN
-	4    3200 2550
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+F 0 "U?" H 4750 3475 50  0000 C CNN
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+F 2 "Package_DIP:DIP-16_W7.62mm" H 4550 2950 50  0001 L CIN
+F 3 "http://optoelectronics.liteon.com/upload/download/DS-70-96-0016/LTV-8X7%20series.PDF" H 4750 3150 50  0001 L CNN
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-F 3 "~" H 5050 850 50  0001 C CNN
-	1    5050 850 
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+F 2 "" H 6350 1800 50  0001 C CNN
+F 3 "~" H 6150 1700 50  0001 C CNN
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 $Comp
 L Device:Q_PNP_ECB Q?
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-F 0 "Q?" H 5241 1354 50  0000 L CNN
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-F 2 "" H 5250 1500 50  0001 C CNN
-F 3 "~" H 5050 1400 50  0001 C CNN
-	1    5050 1400
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+F 0 "Q?" H 6341 2104 50  0000 L CNN
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+F 2 "" H 6350 2250 50  0001 C CNN
+F 3 "~" H 6150 2150 50  0001 C CNN
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 	1    0    0    1   
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 L Device:Q_PNP_ECB Q?
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-P 5050 1950
-F 0 "Q?" H 5241 1904 50  0000 L CNN
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-F 2 "" H 5250 2050 50  0001 C CNN
-F 3 "~" H 5050 1950 50  0001 C CNN
-	1    5050 1950
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+F 2 "" H 6350 2700 50  0001 C CNN
+F 3 "~" H 6150 2600 50  0001 C CNN
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 	1    0    0    1   
 $EndComp
 $Comp
 L Device:Q_PNP_ECB Q?
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-P 5050 2450
-F 0 "Q?" H 5241 2404 50  0000 L CNN
-F 1 "Q_PNP_ECB" H 5241 2495 50  0000 L CNN
-F 2 "" H 5250 2550 50  0001 C CNN
-F 3 "~" H 5050 2450 50  0001 C CNN
-	1    5050 2450
+P 6150 3050
+F 0 "Q?" H 6341 3004 50  0000 L CNN
+F 1 "Q_PNP_ECB" H 6341 3095 50  0000 L CNN
+F 2 "" H 6350 3150 50  0001 C CNN
+F 3 "~" H 6150 3050 50  0001 C CNN
+	1    6150 3050
 	1    0    0    1   
 $EndComp
 $Comp
 L Device:Q_PNP_ECB Q?
 U 1 1 5B74198E
-P 5050 3000
-F 0 "Q?" H 5241 2954 50  0000 L CNN
-F 1 "Q_PNP_ECB" H 5241 3045 50  0000 L CNN
-F 2 "" H 5250 3100 50  0001 C CNN
-F 3 "~" H 5050 3000 50  0001 C CNN
-	1    5050 3000
+P 6150 3500
+F 0 "Q?" H 6341 3454 50  0000 L CNN
+F 1 "Q_PNP_ECB" H 6341 3545 50  0000 L CNN
+F 2 "" H 6350 3600 50  0001 C CNN
+F 3 "~" H 6150 3500 50  0001 C CNN
+	1    6150 3500
 	1    0    0    1   
 $EndComp
 $Comp
 L Device:Q_PNP_ECB Q?
 U 1 1 5B741994
-P 5050 3550
-F 0 "Q?" H 5241 3504 50  0000 L CNN
-F 1 "Q_PNP_ECB" H 5241 3595 50  0000 L CNN
-F 2 "" H 5250 3650 50  0001 C CNN
-F 3 "~" H 5050 3550 50  0001 C CNN
-	1    5050 3550
+P 6150 3950
+F 0 "Q?" H 6341 3904 50  0000 L CNN
+F 1 "Q_PNP_ECB" H 6341 3995 50  0000 L CNN
+F 2 "" H 6350 4050 50  0001 C CNN
+F 3 "~" H 6150 3950 50  0001 C CNN
+	1    6150 3950
 	1    0    0    1   
 $EndComp
 $Comp
 L Device:Q_PNP_ECB Q?
 U 1 1 5B741B64
-P 5050 4100
-F 0 "Q?" H 5241 4054 50  0000 L CNN
-F 1 "Q_PNP_ECB" H 5241 4145 50  0000 L CNN
-F 2 "" H 5250 4200 50  0001 C CNN
-F 3 "~" H 5050 4100 50  0001 C CNN
-	1    5050 4100
+P 6150 4400
+F 0 "Q?" H 6341 4354 50  0000 L CNN
+F 1 "Q_PNP_ECB" H 6341 4445 50  0000 L CNN
+F 2 "" H 6350 4500 50  0001 C CNN
+F 3 "~" H 6150 4400 50  0001 C CNN
+	1    6150 4400
 	1    0    0    1   
 $EndComp
 $Comp
 L Device:Q_PNP_ECB Q?
 U 1 1 5B741B6A
-P 5050 4650
-F 0 "Q?" H 5241 4604 50  0000 L CNN
-F 1 "Q_PNP_ECB" H 5241 4695 50  0000 L CNN
-F 2 "" H 5250 4750 50  0001 C CNN
-F 3 "~" H 5050 4650 50  0001 C CNN
-	1    5050 4650
+P 6150 4850
+F 0 "Q?" H 6341 4804 50  0000 L CNN
+F 1 "Q_PNP_ECB" H 6341 4895 50  0000 L CNN
+F 2 "" H 6350 4950 50  0001 C CNN
+F 3 "~" H 6150 4850 50  0001 C CNN
+	1    6150 4850
 	1    0    0    1   
 $EndComp
 Wire Wire Line
-	6800 1850 6700 1850
+	7200 2250 6900 2250
 Wire Wire Line
-	6700 1850 6700 1050
+	6900 2250 6900 1900
 Wire Wire Line
-	5150 1600 6650 1600
+	6250 3250 6650 3250
 Wire Wire Line
-	6650 1600 6650 1950
+	6650 3250 6650 2750
 Wire Wire Line
-	6650 1950 6800 1950
+	6250 3700 6700 3700
 Wire Wire Line
-	6800 2050 5850 2050
+	6700 3700 6700 2850
 Wire Wire Line
-	5850 2050 5850 2150
+	6700 2850 7200 2850
 Wire Wire Line
-	5850 2150 5150 2150
+	6250 4150 6750 4150
 Wire Wire Line
-	5150 2650 5900 2650
+	6750 4150 6750 2950
 Wire Wire Line
-	5900 2650 5900 2350
-Wire Wire Line
-	5900 2350 6800 2350
-Wire Wire Line
-	5150 3200 5950 3200
-Wire Wire Line
-	5950 3200 5950 2450
-Wire Wire Line
-	5950 2450 6800 2450
-Wire Wire Line
-	5150 3750 6000 3750
-Wire Wire Line
-	6000 3750 6000 2550
-Wire Wire Line
-	6000 2550 6800 2550
+	6750 2950 7200 2950
 $Comp
 L Connector:8P8C J?
 U 1 1 5B742CE5
-P 7200 3450
-F 0 "J?" H 7255 4117 50  0000 C CNN
-F 1 "8P8C" H 7255 4026 50  0000 C CNN
-F 2 "" V 7200 3475 50  0001 C CNN
-F 3 "~" V 7200 3475 50  0001 C CNN
-	1    7200 3450
+P 7600 4900
+F 0 "J?" H 7655 5567 50  0000 C CNN
+F 1 "8P8C" H 7655 5476 50  0000 C CNN
+F 2 "" V 7600 4925 50  0001 C CNN
+F 3 "~" V 7600 4925 50  0001 C CNN
+	1    7600 4900
 	-1   0    0    1   
 $EndComp
-Wire Wire Line
-	5150 4300 6100 4300
-Wire Wire Line
-	6100 4300 6100 3150
-Wire Wire Line
-	6100 3150 6800 3150
-Wire Wire Line
-	5150 4850 6150 4850
-Wire Wire Line
-	6150 4850 6150 3250
-Wire Wire Line
-	6150 3250 6800 3250
 $Comp
 L Isolator:LTV-847 U?
 U 1 1 5B745234
-P 3200 5300
-F 0 "U?" H 3200 5625 50  0000 C CNN
-F 1 "LTV-847" H 3200 5534 50  0000 C CNN
-F 2 "Package_DIP:DIP-16_W7.62mm" H 3000 5100 50  0001 L CIN
-F 3 "http://optoelectronics.liteon.com/upload/download/DS-70-96-0016/LTV-8X7%20series.PDF" H 3200 5300 50  0001 L CNN
-	1    3200 5300
+P 4750 5400
+F 0 "U?" H 4750 5725 50  0000 C CNN
+F 1 "LTV-847" H 4750 5634 50  0000 C CNN
+F 2 "Package_DIP:DIP-16_W7.62mm" H 4550 5200 50  0001 L CIN
+F 3 "http://optoelectronics.liteon.com/upload/download/DS-70-96-0016/LTV-8X7%20series.PDF" H 4750 5400 50  0001 L CNN
+	1    4750 5400
 	1    0    0    -1  
 $EndComp
 $Comp
 L Isolator:LTV-847 U?
 U 2 1 5B74523A
-P 3200 5850
-F 0 "U?" H 3200 6175 50  0000 C CNN
-F 1 "LTV-847" H 3200 6084 50  0000 C CNN
-F 2 "Package_DIP:DIP-16_W7.62mm" H 3000 5650 50  0001 L CIN
-F 3 "http://optoelectronics.liteon.com/upload/download/DS-70-96-0016/LTV-8X7%20series.PDF" H 3200 5850 50  0001 L CNN
-	2    3200 5850
+P 4750 5850
+F 0 "U?" H 4750 6175 50  0000 C CNN
+F 1 "LTV-847" H 4750 6084 50  0000 C CNN
+F 2 "Package_DIP:DIP-16_W7.62mm" H 4550 5650 50  0001 L CIN
+F 3 "http://optoelectronics.liteon.com/upload/download/DS-70-96-0016/LTV-8X7%20series.PDF" H 4750 5850 50  0001 L CNN
+	2    4750 5850
 	1    0    0    -1  
 $EndComp
 $Comp
 L Isolator:LTV-847 U?
 U 3 1 5B745240
-P 3200 6400
-F 0 "U?" H 3200 6725 50  0000 C CNN
-F 1 "LTV-847" H 3200 6634 50  0000 C CNN
-F 2 "Package_DIP:DIP-16_W7.62mm" H 3000 6200 50  0001 L CIN
-F 3 "http://optoelectronics.liteon.com/upload/download/DS-70-96-0016/LTV-8X7%20series.PDF" H 3200 6400 50  0001 L CNN
-	3    3200 6400
+P 4750 6300
+F 0 "U?" H 4750 6625 50  0000 C CNN
+F 1 "LTV-847" H 4750 6534 50  0000 C CNN
+F 2 "Package_DIP:DIP-16_W7.62mm" H 4550 6100 50  0001 L CIN
+F 3 "http://optoelectronics.liteon.com/upload/download/DS-70-96-0016/LTV-8X7%20series.PDF" H 4750 6300 50  0001 L CNN
+	3    4750 6300
 	1    0    0    -1  
 $EndComp
 $Comp
 L Isolator:LTV-847 U?
 U 4 1 5B745246
-P 3200 6950
-F 0 "U?" H 3200 7275 50  0000 C CNN
-F 1 "LTV-847" H 3200 7184 50  0000 C CNN
-F 2 "Package_DIP:DIP-16_W7.62mm" H 3000 6750 50  0001 L CIN
-F 3 "http://optoelectronics.liteon.com/upload/download/DS-70-96-0016/LTV-8X7%20series.PDF" H 3200 6950 50  0001 L CNN
-	4    3200 6950
+P 4750 6750
+F 0 "U?" H 4750 7075 50  0000 C CNN
+F 1 "LTV-847" H 4750 6984 50  0000 C CNN
+F 2 "Package_DIP:DIP-16_W7.62mm" H 4550 6550 50  0001 L CIN
+F 3 "http://optoelectronics.liteon.com/upload/download/DS-70-96-0016/LTV-8X7%20series.PDF" H 4750 6750 50  0001 L CNN
+	4    4750 6750
 	1    0    0    -1  
 $EndComp
 $Comp
 L Device:Q_PNP_ECB Q?
 U 1 1 5B74524C
-P 5050 5200
-F 0 "Q?" H 5241 5154 50  0000 L CNN
-F 1 "Q_PNP_ECB" H 5241 5245 50  0000 L CNN
-F 2 "" H 5250 5300 50  0001 C CNN
-F 3 "~" H 5050 5200 50  0001 C CNN
-	1    5050 5200
+P 6150 5300
+F 0 "Q?" H 6341 5254 50  0000 L CNN
+F 1 "Q_PNP_ECB" H 6341 5345 50  0000 L CNN
+F 2 "" H 6350 5400 50  0001 C CNN
+F 3 "~" H 6150 5300 50  0001 C CNN
+	1    6150 5300
 	1    0    0    1   
 $EndComp
 $Comp
 L Device:Q_PNP_ECB Q?
 U 1 1 5B745252
-P 5050 5750
-F 0 "Q?" H 5241 5704 50  0000 L CNN
-F 1 "Q_PNP_ECB" H 5241 5795 50  0000 L CNN
-F 2 "" H 5250 5850 50  0001 C CNN
-F 3 "~" H 5050 5750 50  0001 C CNN
-	1    5050 5750
+P 6150 5750
+F 0 "Q?" H 6341 5704 50  0000 L CNN
+F 1 "Q_PNP_ECB" H 6341 5795 50  0000 L CNN
+F 2 "" H 6350 5850 50  0001 C CNN
+F 3 "~" H 6150 5750 50  0001 C CNN
+	1    6150 5750
 	1    0    0    1   
 $EndComp
 $Comp
 L Device:Q_PNP_ECB Q?
 U 1 1 5B745258
-P 5050 6300
-F 0 "Q?" H 5241 6254 50  0000 L CNN
-F 1 "Q_PNP_ECB" H 5241 6345 50  0000 L CNN
-F 2 "" H 5250 6400 50  0001 C CNN
-F 3 "~" H 5050 6300 50  0001 C CNN
-	1    5050 6300
+P 6150 6200
+F 0 "Q?" H 6341 6154 50  0000 L CNN
+F 1 "Q_PNP_ECB" H 6341 6245 50  0000 L CNN
+F 2 "" H 6350 6300 50  0001 C CNN
+F 3 "~" H 6150 6200 50  0001 C CNN
+	1    6150 6200
 	1    0    0    1   
 $EndComp
 $Comp
 L Device:Q_PNP_ECB Q?
 U 1 1 5B74525E
-P 5050 6850
-F 0 "Q?" H 5241 6804 50  0000 L CNN
-F 1 "Q_PNP_ECB" H 5241 6895 50  0000 L CNN
-F 2 "" H 5250 6950 50  0001 C CNN
-F 3 "~" H 5050 6850 50  0001 C CNN
-	1    5050 6850
+P 6150 6650
+F 0 "Q?" H 6341 6604 50  0000 L CNN
+F 1 "Q_PNP_ECB" H 6341 6695 50  0000 L CNN
+F 2 "" H 6350 6750 50  0001 C CNN
+F 3 "~" H 6150 6650 50  0001 C CNN
+	1    6150 6650
 	1    0    0    1   
 $EndComp
 Wire Wire Line
-	5150 5400 6200 5400
+	6250 5500 6600 5500
 Wire Wire Line
-	6200 5400 6200 3350
+	6600 5500 6600 4800
 Wire Wire Line
-	6200 3350 6800 3350
+	6600 4800 7200 4800
 Wire Wire Line
-	5150 5950 6250 5950
+	6700 6400 6700 5200
 Wire Wire Line
-	6250 5950 6250 3650
+	6700 5200 7200 5200
 Wire Wire Line
-	6250 3650 6800 3650
+	6750 6850 6750 5300
 Wire Wire Line
-	6300 6500 6300 3750
+	6750 5300 7200 5300
 Wire Wire Line
-	6300 3750 6800 3750
+	6900 7400 6900 7050
 Wire Wire Line
-	6350 7050 6350 3850
+	7200 4900 6900 4900
+Connection ~ 6900 4900
 Wire Wire Line
-	6350 3850 6800 3850
+	6900 4900 6900 2650
 Wire Wire Line
-	6500 7650 6500 3550
+	7200 5000 6900 5000
+Connection ~ 6900 5000
 Wire Wire Line
-	6500 2150 6800 2150
-Wire Wire Line
-	6800 2250 6500 2250
-Connection ~ 6500 2250
-Wire Wire Line
-	6500 2250 6500 2150
-Wire Wire Line
-	6800 3450 6500 3450
-Connection ~ 6500 3450
-Wire Wire Line
-	6500 3450 6500 2250
-Wire Wire Line
-	6800 3550 6500 3550
-Connection ~ 6500 3550
-Wire Wire Line
-	6500 3550 6500 3450
-Wire Wire Line
-	3500 1050 3700 1050
-Wire Wire Line
-	3700 1050 3700 7250
-Wire Wire Line
-	3500 1600 3800 1600
-Wire Wire Line
-	3800 1600 3800 7250
-Wire Wire Line
-	3900 7250 3900 2150
-Wire Wire Line
-	3900 2150 3500 2150
-Wire Wire Line
-	4000 7250 4000 2650
-Wire Wire Line
-	4000 2650 3500 2650
-Wire Wire Line
-	4100 7250 4100 3200
-Wire Wire Line
-	4100 3200 3500 3200
-Wire Wire Line
-	4200 7250 4200 3750
-Wire Wire Line
-	4200 3750 3500 3750
-Wire Wire Line
-	4300 7250 4300 4300
-Wire Wire Line
-	4300 4300 3500 4300
-Wire Wire Line
-	4400 7250 4400 4850
-Wire Wire Line
-	4400 4850 3500 4850
-$Comp
-L Device:R_Network12 RN?
-U 1 1 5B75BF03
-P 4300 7450
-F 0 "RN?" H 3620 7404 50  0000 R CNN
-F 1 "R_Network12" H 3620 7495 50  0000 R CNN
-F 2 "Resistor_THT:R_Array_SIP13" V 4975 7450 50  0001 C CNN
-F 3 "http://www.vishay.com/docs/31509/csc.pdf" H 4300 7450 50  0001 C CNN
-	1    4300 7450
-	1    0    0    1   
-$EndComp
+	6900 5000 6900 4900
 $Comp
 L Device:R_Network12 RN?
 U 1 1 5B75C1E1
-P 7900 5500
-F 0 "RN?" H 8480 5546 50  0000 L CNN
-F 1 "R_Network12" H 8480 5455 50  0000 L CNN
-F 2 "Resistor_THT:R_Array_SIP13" V 8575 5500 50  0001 C CNN
-F 3 "http://www.vishay.com/docs/31509/csc.pdf" H 7900 5500 50  0001 C CNN
-	1    7900 5500
+P 5500 1100
+F 0 "RN?" H 6080 1146 50  0000 L CNN
+F 1 "10K" H 6080 1055 50  0000 L CNN
+F 2 "Resistor_THT:R_Array_SIP13" V 6175 1100 50  0001 C CNN
+F 3 "http://www.vishay.com/docs/31509/csc.pdf" H 5500 1100 50  0001 C CNN
+	1    5500 1100
 	1    0    0    -1  
 $EndComp
 $Comp
 L Device:R_Network12 RN?
 U 1 1 5B75C249
-P 7900 6050
-F 0 "RN?" H 8480 6096 50  0000 L CNN
-F 1 "R_Network12" H 8480 6005 50  0000 L CNN
-F 2 "Resistor_THT:R_Array_SIP13" V 8575 6050 50  0001 C CNN
-F 3 "http://www.vishay.com/docs/31509/csc.pdf" H 7900 6050 50  0001 C CNN
-	1    7900 6050
+P 3500 7200
+F 0 "RN?" H 4080 7246 50  0000 L CNN
+F 1 "820R" H 4080 7155 50  0000 L CNN
+F 2 "Resistor_THT:R_Array_SIP13" V 4175 7200 50  0001 C CNN
+F 3 "http://www.vishay.com/docs/31509/csc.pdf" H 3500 7200 50  0001 C CNN
+	1    3500 7200
+	1    0    0    1   
+$EndComp
+Wire Wire Line
+	5050 6650 5900 6650
+Wire Wire Line
+	5050 5750 5800 5750
+Wire Wire Line
+	5050 5300 5750 5300
+Wire Wire Line
+	5050 4850 5700 4850
+Wire Wire Line
+	5050 4400 5650 4400
+Wire Wire Line
+	5050 3950 5600 3950
+Wire Wire Line
+	6250 1900 6900 1900
+Wire Wire Line
+	5100 7400 6900 7400
+Wire Wire Line
+	6250 6850 6750 6850
+Wire Wire Line
+	6250 6400 6700 6400
+$Comp
+L MCP23017:MCP23017 U?
+U 1 1 5B78D6DD
+P 2150 3400
+F 0 "U?" H 2150 4928 50  0000 C CNN
+F 1 "MCP23017" H 2150 4837 50  0000 C CNN
+F 2 "MODULE" H 1650 2300 50  0001 C CNN
+F 3 "DOCUMENTATION" H 2150 3350 50  0001 C CNN
+	1    2150 3400
+	1    0    0    -1  
+$EndComp
+$Comp
+L power:+24V #PWR?
+U 1 1 5B80591D
+P 6500 900
+F 0 "#PWR?" H 6500 750 50  0001 C CNN
+F 1 "+24V" H 6515 1073 50  0000 C CNN
+F 2 "" H 6500 900 50  0001 C CNN
+F 3 "" H 6500 900 50  0001 C CNN
+	1    6500 900 
+	1    0    0    -1  
+$EndComp
+$Comp
+L power:GNDPWR #PWR?
+U 1 1 5B805BF8
+P 6600 7100
+F 0 "#PWR?" H 6600 6900 50  0001 C CNN
+F 1 "GNDPWR" H 6604 6946 50  0000 C CNN
+F 2 "" H 6600 7050 50  0001 C CNN
+F 3 "" H 6600 7050 50  0001 C CNN
+	1    6600 7100
 	1    0    0    -1  
 $EndComp
 Wire Wire Line
-	3500 5400 4500 5400
+	6250 5050 6550 5050
 Wire Wire Line
-	4500 5400 4500 7250
+	6550 5050 6550 4700
 Wire Wire Line
-	3500 5950 4600 5950
+	6550 4700 7200 4700
 Wire Wire Line
-	4600 5950 4600 7250
+	5900 1650 6000 1550
 Wire Wire Line
-	3500 6500 4700 6500
+	6000 1550 6000 1300
 Wire Wire Line
-	4700 6500 4700 7250
+	5850 1650 5900 1550
 Wire Wire Line
-	3500 7050 4800 7050
+	5900 1550 5900 1300
 Wire Wire Line
-	4800 7050 4800 7250
+	5750 1650 5700 1600
 Wire Wire Line
-	3500 6850 4850 6850
+	5700 1600 5700 1300
 Wire Wire Line
-	3500 6300 4850 6300
+	5600 1300 5600 1550
 Wire Wire Line
-	3500 5750 4850 5750
+	5600 1550 5700 1650
 Wire Wire Line
-	3500 5200 4850 5200
+	5500 1300 5500 1500
 Wire Wire Line
-	3500 4650 4850 4650
+	5500 1500 5650 1650
 Wire Wire Line
-	3500 4100 4850 4100
+	5400 1450 5400 1300
 Wire Wire Line
-	3500 3550 4850 3550
+	5300 1400 5300 1300
 Wire Wire Line
-	3500 3000 4850 3000
+	5200 1350 5200 1300
 Wire Wire Line
-	3500 2450 4850 2450
+	5050 3500 5550 3500
 Wire Wire Line
-	3500 1950 4850 1950
+	5050 3050 5500 3050
 Wire Wire Line
-	3500 1400 4850 1400
+	5050 2600 5450 2600
 Wire Wire Line
-	3500 850  4850 850 
+	5050 2150 5400 2150
 Wire Wire Line
-	5150 1050 6700 1050
+	5050 1700 5350 1700
+Wire Wire Line
+	5350 1650 5350 1700
+Connection ~ 5350 1700
+Wire Wire Line
+	5350 1700 5950 1700
+Wire Wire Line
+	5400 1650 5400 2150
+Connection ~ 5400 2150
+Wire Wire Line
+	5400 2150 5950 2150
+Wire Wire Line
+	5450 1650 5450 2600
+Connection ~ 5450 2600
+Wire Wire Line
+	5450 2600 5950 2600
+Wire Wire Line
+	5500 1650 5500 3050
+Connection ~ 5500 3050
+Wire Wire Line
+	5500 3050 5950 3050
+Wire Wire Line
+	5550 1650 5550 3500
+Connection ~ 5550 3500
+Wire Wire Line
+	5550 3500 5950 3500
+Wire Wire Line
+	5600 1650 5600 3950
+Connection ~ 5600 3950
+Wire Wire Line
+	5600 3950 5950 3950
+Wire Wire Line
+	5650 1650 5650 4400
+Connection ~ 5650 4400
+Wire Wire Line
+	5650 4400 5950 4400
+Wire Wire Line
+	5700 1650 5700 4850
+Connection ~ 5700 4850
+Wire Wire Line
+	5700 4850 5950 4850
+Wire Wire Line
+	5750 1650 5750 5300
+Connection ~ 5750 5300
+Wire Wire Line
+	5750 5300 5950 5300
+Wire Wire Line
+	5800 1300 5800 5750
+Connection ~ 5800 5750
+Wire Wire Line
+	5800 5750 5950 5750
+Wire Wire Line
+	5850 1650 5850 6200
+Connection ~ 5850 6200
+Wire Wire Line
+	5850 6200 5950 6200
+Wire Wire Line
+	5900 1650 5900 6650
+Connection ~ 5900 6650
+Wire Wire Line
+	5900 6650 5950 6650
+Wire Wire Line
+	5050 6850 6200 6850
+Wire Wire Line
+	5050 6400 5600 6400
+Wire Wire Line
+	5050 5950 5550 5950
+Wire Wire Line
+	5050 5500 5500 5500
+Wire Wire Line
+	5050 3250 5250 3250
+Wire Wire Line
+	5050 2800 5200 2800
+Wire Wire Line
+	5050 2350 5150 2350
+Wire Wire Line
+	5050 1900 5100 1900
+Wire Wire Line
+	4900 900  6500 900 
+Wire Wire Line
+	6500 900  6500 1500
+Wire Wire Line
+	6500 6450 6250 6450
+Connection ~ 6500 900 
+Wire Wire Line
+	6250 6000 6500 6000
+Connection ~ 6500 6000
+Wire Wire Line
+	6500 6000 6500 6450
+Wire Wire Line
+	6250 5550 6500 5550
+Connection ~ 6500 5550
+Wire Wire Line
+	6500 5550 6500 6000
+Wire Wire Line
+	6250 5100 6500 5100
+Connection ~ 6500 5100
+Wire Wire Line
+	6500 5100 6500 5550
+Wire Wire Line
+	6250 4650 6500 4650
+Connection ~ 6500 4650
+Wire Wire Line
+	6500 4650 6500 5100
+Wire Wire Line
+	6250 4200 6500 4200
+Connection ~ 6500 4200
+Wire Wire Line
+	6500 4200 6500 4650
+Wire Wire Line
+	6250 3750 6500 3750
+Connection ~ 6500 3750
+Wire Wire Line
+	6500 3750 6500 4200
+Wire Wire Line
+	6250 3300 6500 3300
+Connection ~ 6500 3300
+Wire Wire Line
+	6500 3300 6500 3750
+Wire Wire Line
+	6250 2850 6500 2850
+Connection ~ 6500 2850
+Wire Wire Line
+	6500 2850 6500 3300
+Wire Wire Line
+	6250 2400 6500 2400
+Connection ~ 6500 2400
+Wire Wire Line
+	6500 2400 6500 2850
+Wire Wire Line
+	6250 1950 6500 1950
+Connection ~ 6500 1950
+Wire Wire Line
+	6500 1950 6500 2400
+Wire Wire Line
+	6250 1500 6500 1500
+Connection ~ 6500 1500
+Wire Wire Line
+	6500 1500 6500 1950
+Wire Wire Line
+	6600 7100 6600 7050
+Wire Wire Line
+	6600 7050 6900 7050
+Connection ~ 6900 7050
+Wire Wire Line
+	6900 7050 6900 5000
 $Comp
-L Interface_Expansion:PCF8574 U?
-U 1 1 5B797237
-P 1400 2600
-F 0 "U?" H 1400 3478 50  0000 C CNN
-F 1 "PCF8574" H 1400 3387 50  0000 C CNN
-F 2 "" H 1400 2600 50  0001 C CNN
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 $EndComp
 $Comp
 L power:GND #PWR?
-U 1 1 5B79723D
-P 1400 3450
-F 0 "#PWR?" H 1400 3200 50  0001 C CNN
-F 1 "GND" H 1405 3277 50  0000 C CNN
-F 2 "" H 1400 3450 50  0001 C CNN
-F 3 "" H 1400 3450 50  0001 C CNN
-	1    1400 3450
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+L Device:R_Network12 RN?
+U 1 1 5B75BF03
+P 5700 7200
+F 0 "RN?" H 5020 7154 50  0000 R CNN
+F 1 "4K7" H 5020 7245 50  0000 R CNN
+F 2 "Resistor_THT:R_Array_SIP13" V 6375 7200 50  0001 C CNN
+F 3 "http://www.vishay.com/docs/31509/csc.pdf" H 5700 7200 50  0001 C CNN
+	1    5700 7200
+	1    0    0    1   
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+F 0 "J?" H 1429 1042 50  0000 L CNN
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+F 2 "" H 1350 1000 50  0001 C CNN
+F 3 "~" H 1350 1000 50  0001 C CNN
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+L Connector_Generic:Conn_01x03 J?
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+F 0 "J?" H 1429 1392 50  0000 L CNN
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+	1    1350 1350
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+P 1350 1700
+F 0 "J?" H 1429 1742 50  0000 L CNN
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+F 2 "" H 1350 1700 50  0001 C CNN
+F 3 "~" H 1350 1700 50  0001 C CNN
+	1    1350 1700
 	1    0    0    -1  
 $EndComp
 $Comp
 L power:+5V #PWR?
-U 1 1 5B797243
-P 1400 1800
-F 0 "#PWR?" H 1400 1650 50  0001 C CNN
-F 1 "+5V" H 1415 1973 50  0000 C CNN
-F 2 "" H 1400 1800 50  0001 C CNN
-F 3 "" H 1400 1800 50  0001 C CNN
-	1    1400 1800
+U 1 1 5C939376
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+L power:GND #PWR?
+U 1 1 5C9395CA
+P 600 1950
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+F 2 "" H 600 1950 50  0001 C CNN
+F 3 "" H 600 1950 50  0001 C CNN
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 	1    0    0    -1  
 $EndComp
 Wire Wire Line
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 Wire Wire Line
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 Wire Wire Line
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 Wire Wire Line
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 Wire Wire Line
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 Wire Wire Line
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 Wire Wire Line
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 Wire Wire Line
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 Wire Wire Line
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 Wire Wire Line
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 Wire Wire Line
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 Wire Wire Line
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 Wire Wire Line
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 Wire Wire Line
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 Wire Wire Line
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 Wire Wire Line
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 Wire Wire Line
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 Wire Wire Line
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 Wire Wire Line
-	2900 3200 2100 3200
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 Wire Wire Line
-	2100 2600 2100 3200
+	1150 900  800  900 
+Connection ~ 800  900 
 Wire Wire Line
-	2900 3750 2050 3750
+	800  900  800  700 
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+L Device:C C?
+U 1 1 5CA079CD
+P 1150 5500
+F 0 "C?" H 1265 5546 50  0000 L CNN
+F 1 "100nF" H 1265 5455 50  0000 L CNN
+F 2 "" H 1188 5350 50  0001 C CNN
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+L Device:CP C?
+U 1 1 5CA07BF6
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+F 0 "C?" H 1818 5546 50  0000 L CNN
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+F 3 "~" H 1700 5500 50  0001 C CNN
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+L power:GND #PWR?
+U 1 1 5CA20682
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+F 2 "" H 1700 5800 50  0001 C CNN
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+L power:GND #PWR?
+U 1 1 5CA206EB
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+F 2 "" H 1150 5800 50  0001 C CNN
+F 3 "" H 1150 5800 50  0001 C CNN
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+L power:+5V #PWR?
+U 1 1 5CA20BEB
+P 1150 5200
+F 0 "#PWR?" H 1150 5050 50  0001 C CNN
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+F 2 "" H 1150 5200 50  0001 C CNN
+F 3 "" H 1150 5200 50  0001 C CNN
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+L power:+5V #PWR?
+U 1 1 5CA20E59
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+F 0 "#PWR?" H 1700 5050 50  0001 C CNN
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+F 2 "" H 1700 5200 50  0001 C CNN
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 Wire Wire Line
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 Wire Wire Line
-	2900 4300 2000 4300
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 Wire Wire Line
-	2000 2800 2000 4300
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 Wire Wire Line
-	2900 4850 1950 4850
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+L Connector_Generic:Conn_02x03_Odd_Even J?
+U 1 1 5CA85AEF
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+F 0 "J?" H 1500 7017 50  0000 C CNN
+F 1 "CONN_I2C" H 1500 6926 50  0000 C CNN
+F 2 "" H 1450 6700 50  0001 C CNN
+F 3 "~" H 1450 6700 50  0001 C CNN
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+L power:+5V #PWR?
+U 1 1 5CA8601F
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+F 0 "#PWR?" H 1150 6200 50  0001 C CNN
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+F 2 "" H 1150 6350 50  0001 C CNN
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+L power:+5V #PWR?
+U 1 1 5CA8608A
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+F 0 "#PWR?" H 1900 6200 50  0001 C CNN
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+$EndComp
+$Comp
+L power:GND #PWR?
+U 1 1 5CA860F5
+P 1900 6900
+F 0 "#PWR?" H 1900 6650 50  0001 C CNN
+F 1 "GND" H 1905 6727 50  0000 C CNN
+F 2 "" H 1900 6900 50  0001 C CNN
+F 3 "" H 1900 6900 50  0001 C CNN
+	1    1900 6900
+	1    0    0    -1  
+$EndComp
+$Comp
+L power:GND #PWR?
+U 1 1 5CA86160
+P 1150 6900
+F 0 "#PWR?" H 1150 6650 50  0001 C CNN
+F 1 "GND" H 1155 6727 50  0000 C CNN
+F 2 "" H 1150 6900 50  0001 C CNN
+F 3 "" H 1150 6900 50  0001 C CNN
+	1    1150 6900
+	1    0    0    -1  
+$EndComp
 Wire Wire Line
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 Wire Wire Line
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 Wire Wire Line
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 Wire Wire Line
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 Wire Wire Line
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 Wire Wire Line
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 Wire Wire Line
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 Wire Wire Line
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 Wire Wire Line
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 Wire Wire Line
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 Wire Wire Line
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 Wire Wire Line
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 Wire Wire Line
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 Wire Wire Line
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 Wire Wire Line
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 Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Text Label 1100 6700 0    50   ~ 0
+SDA
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+SCL
 $EndSCHEMATC