diff --git a/TODO b/TODO
new file mode 100644
index 0000000..f9bbc73
--- /dev/null
+++ b/TODO
@@ -0,0 +1,14 @@
+Schematic
+---------
+Regulator							- Placed
+MIC4680
+
+Ethernet chip						- Placed
+ENC28J60
+
+Ethernet plug						- Placed
+
+Atmega328							- Placed
+
+4 port opto
+TLP291-4
diff --git a/pcb/RevA/ste-cache.lib b/pcb/RevA/ste-cache.lib
index 3405530..7bafad9 100644
--- a/pcb/RevA/ste-cache.lib
+++ b/pcb/RevA/ste-cache.lib
@@ -1,6 +1,21 @@
 EESchema-LIBRARY Version 2.3
 #encoding utf-8
 #
+# +5V
+#
+DEF +5V #PWR 0 0 Y Y 1 F P
+F0 "#PWR" 0 -150 50 H I C CNN
+F1 "+5V" 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 +5V 1 0 0 0 U 50 50 1 1 W N
+ENDDRAW
+ENDDEF
+#
 # ATMEGA168A-AU
 #
 DEF ATMEGA168A-AU U 0 40 Y Y 1 F N
@@ -49,6 +64,127 @@ X (PCINT14/~RESET~)PC6 29 1000 -350 150 L 40 40 1 1 B
 ENDDRAW
 ENDDEF
 #
+# C
+#
+DEF C C 0 10 N Y 1 F N
+F0 "C" 25 100 50 H V L CNN
+F1 "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
+#
+# CP_Small
+#
+DEF CP_Small C 0 10 N N 1 F N
+F0 "C" 10 70 50 H V L CNN
+F1 "CP_Small" 10 -80 50 H V L CNN
+F2 "" 0 0 50 H I C CNN
+F3 "" 0 0 50 H I C CNN
+$FPLIST
+ CP_*
+$ENDFPLIST
+DRAW
+S -60 -12 60 -27 0 1 0 F
+S -60 27 60 12 0 1 0 N
+P 2 0 1 0 -50 60 -30 60 N
+P 2 0 1 0 -40 50 -40 70 N
+X ~ 1 0 100 73 D 50 50 1 1 P
+X ~ 2 0 -100 73 U 50 50 1 1 P
+ENDDRAW
+ENDDEF
+#
+# Conn_01x02
+#
+DEF Conn_01x02 J 0 40 Y N 1 F N
+F0 "J" 0 100 50 H V C CNN
+F1 "Conn_01x02" 0 -200 50 H V C CNN
+F2 "" 0 0 50 H I C CNN
+F3 "" 0 0 50 H I C CNN
+$FPLIST
+ Connector*:*_??x*mm*
+ Connector*:*1x??x*mm*
+ Pin?Header?Straight?1X*
+ Pin?Header?Angled?1X*
+ Socket?Strip?Straight?1X*
+ Socket?Strip?Angled?1X*
+$ENDFPLIST
+DRAW
+S -50 -95 0 -105 1 1 6 N
+S -50 5 0 -5 1 1 6 N
+S -50 50 50 -150 1 1 10 f
+X Pin_1 1 -200 0 150 R 50 50 1 1 P
+X Pin_2 2 -200 -100 150 R 50 50 1 1 P
+ENDDRAW
+ENDDEF
+#
+# Conn_01x08
+#
+DEF Conn_01x08 J 0 40 Y N 1 F N
+F0 "J" 0 400 50 H V C CNN
+F1 "Conn_01x08" 0 -500 50 H V C CNN
+F2 "" 0 0 50 H I C CNN
+F3 "" 0 0 50 H I C CNN
+$FPLIST
+ Connector*:*_??x*mm*
+ Connector*:*1x??x*mm*
+ Pin?Header?Straight?1X*
+ Pin?Header?Angled?1X*
+ Socket?Strip?Straight?1X*
+ Socket?Strip?Angled?1X*
+$ENDFPLIST
+DRAW
+S -50 -395 0 -405 1 1 6 N
+S -50 -295 0 -305 1 1 6 N
+S -50 -195 0 -205 1 1 6 N
+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 -50 205 0 195 1 1 6 N
+S -50 305 0 295 1 1 6 N
+S -50 350 50 -450 1 1 10 f
+X Pin_1 1 -200 300 150 R 50 50 1 1 P
+X Pin_2 2 -200 200 150 R 50 50 1 1 P
+X Pin_3 3 -200 100 150 R 50 50 1 1 P
+X Pin_4 4 -200 0 150 R 50 50 1 1 P
+X Pin_5 5 -200 -100 150 R 50 50 1 1 P
+X Pin_6 6 -200 -200 150 R 50 50 1 1 P
+X Pin_7 7 -200 -300 150 R 50 50 1 1 P
+X Pin_8 8 -200 -400 150 R 50 50 1 1 P
+ENDDRAW
+ENDDEF
+#
+# D_Schottky
+#
+DEF D_Schottky D 0 40 N N 1 F N
+F0 "D" 0 100 50 H V C CNN
+F1 "D_Schottky" 0 -100 50 H V C CNN
+F2 "" 0 0 50 H I C CNN
+F3 "" 0 0 50 H I C CNN
+$FPLIST
+ TO-???*
+ *SingleDiode
+ *_Diode_*
+ *SingleDiode*
+ D_*
+$ENDFPLIST
+DRAW
+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 6 0 1 8 -75 25 -75 50 -50 50 -50 -50 -25 -50 -25 -25 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
+#
 # ENC28J60-C/SS
 #
 DEF ENC28J60-C/SS U 0 40 Y Y 1 F N
@@ -92,4 +228,232 @@ X VDDRX 19 700 500 150 L 50 50 1 1 W
 ENDDRAW
 ENDDEF
 #
+# GND
+#
+DEF GND #PWR 0 0 Y Y 1 F P
+F0 "#PWR" 0 -250 50 H I C CNN
+F1 "GND" 0 -150 50 H V C CNN
+F2 "" 0 0 50 H I C CNN
+F3 "" 0 0 50 H I C CNN
+DRAW
+P 6 0 1 0 0 0 0 -50 50 -50 0 -100 -50 -50 0 -50 N
+X GND 1 0 0 0 D 50 50 1 1 W N
+ENDDRAW
+ENDDEF
+#
+# L
+#
+DEF L L 0 40 N N 1 F N
+F0 "L" -50 0 50 V V C CNN
+F1 "L" 75 0 50 V V C CNN
+F2 "" 0 0 50 H I C CNN
+F3 "" 0 0 50 H I C CNN
+$FPLIST
+ Choke_*
+ *Coil*
+ Inductor_*
+ L_*
+$ENDFPLIST
+DRAW
+A 0 -75 25 -899 899 0 1 0 N 0 -100 0 -50
+A 0 -25 25 -899 899 0 1 0 N 0 -50 0 0
+A 0 25 25 -899 899 0 1 0 N 0 0 0 50
+A 0 75 25 -899 899 0 1 0 N 0 50 0 100
+X 1 1 0 150 50 D 50 50 1 1 P
+X 2 2 0 -150 50 U 50 50 1 1 P
+ENDDRAW
+ENDDEF
+#
+# MIC4680
+#
+DEF MIC4680 U 0 40 Y Y 1 F N
+F0 "U" -350 350 50 H V C CNN
+F1 "MIC4680" 350 -350 50 H V C CNN
+F2 "" 0 0 60 H I C CNN
+F3 "" 0 0 60 H I C CNN
+$FPLIST
+ SOIC-8
+$ENDFPLIST
+DRAW
+S 400 -300 -400 300 0 1 0 f
+X SHDN 1 -550 -100 150 R 40 40 1 1 I
+X IN 2 -550 150 150 R 40 40 1 1 W
+X SW 3 550 150 150 L 40 40 1 1 w
+X GND 5 -150 -450 150 U 40 40 1 1 B
+X GND 6 -50 -450 150 U 40 40 1 1 B
+X GND 7 50 -450 150 U 40 40 1 1 B
+X GND 8 150 -450 150 U 40 40 1 1 B
+X FB ~ 550 -100 150 L 40 40 1 1 I
+ENDDRAW
+ENDDEF
+#
+# R
+#
+DEF R R 0 0 N Y 1 F N
+F0 "R" 80 0 50 V V C CNN
+F1 "R" 0 0 50 V V C CNN
+F2 "" -70 0 50 V I C CNN
+F3 "" 0 0 50 H I C CNN
+$FPLIST
+ R_*
+ R_*
+$ENDFPLIST
+DRAW
+S -40 -100 40 100 0 1 10 N
+X ~ 1 0 150 50 D 50 50 1 1 P
+X ~ 2 0 -150 50 U 50 50 1 1 P
+ENDDRAW
+ENDDEF
+#
+# RJ45-TRANSFO
+#
+DEF RJ45-TRANSFO J 0 1 Y Y 1 F N
+F0 "J" 100 600 50 H V L CNN
+F1 "RJ45-TRANSFO" -50 600 50 H V R CNN
+F2 "" 0 0 50 H I C CNN
+F3 "" 0 0 50 H I C CNN
+DRAW
+T 0 -575 -250 40 0 0 0 GREEN Normal 0 C C
+T 0 -275 475 40 0 0 0 J1 Normal 0 C C
+T 0 -275 325 40 0 0 0 J2 Normal 0 C C
+T 0 -275 175 40 0 0 0 J3 Normal 0 C C
+T 0 -275 400 35 0 0 0 J4 Normal 0 C B
+T 0 -275 375 35 0 0 0 J5 Normal 0 C C
+T 0 -275 25 40 0 0 0 J6 Normal 0 C C
+T 0 -275 100 35 0 0 0 J7 Normal 0 C B
+T 0 -275 75 35 0 0 0 J8 Normal 0 C C
+T 0 -675 -25 40 0 0 0 RCV Normal 0 C C
+T 0 -650 275 40 0 0 0 XMIT Normal 0 C C
+T 0 -575 -450 40 0 0 0 YELLOW Normal 0 C C
+P 3 0 0 0 -750 -275 -750 -300 -850 -300 N
+P 3 0 0 0 -700 -475 -800 -475 -800 -475 N
+P 3 0 0 0 -700 -275 -800 -275 -800 -275 N
+P 3 0 0 0 -500 100 -500 0 -500 0 N
+P 3 0 0 0 -500 400 -500 100 -500 100 N
+P 3 0 0 10 -450 -25 -550 -25 -550 -25 N
+P 3 0 0 0 -350 100 -375 100 -375 100 N
+P 3 0 0 0 -350 400 -375 400 -375 400 N
+P 4 0 0 0 -850 -500 -750 -500 -750 -475 -750 -475 N
+P 4 0 0 0 -850 -400 -750 -400 -750 -425 -750 -425 N
+P 4 0 0 0 -850 -200 -750 -200 -750 -225 -750 -225 N
+P 4 0 0 0 -500 -25 -500 -100 -1125 -100 -875 -100 N
+P 4 0 0 10 -450 0 -525 0 -550 0 -550 0 N
+P 5 0 0 0 -800 -225 -700 -225 -750 -275 -800 -225 -800 -225 N
+P 5 0 0 0 -700 -425 -800 -425 -750 -475 -700 -425 -700 -425 N
+P 5 0 0 0 -325 125 -350 125 -350 75 -325 75 -325 75 N
+P 5 0 0 0 -325 425 -350 425 -350 375 -325 375 -325 375 N
+A -900 25 25 -899 899 0 1 0 N -900 0 -900 50
+A -900 75 25 -899 899 0 1 0 N -900 50 -900 100
+A -900 125 25 -899 899 0 1 0 N -900 100 -900 150
+A -900 175 25 -899 899 0 1 0 N -900 150 -900 200
+A -900 325 25 -899 899 0 1 0 N -900 300 -900 350
+A -900 375 25 -899 899 0 1 0 N -900 350 -900 400
+A -900 425 25 -899 899 0 1 0 N -900 400 -900 450
+A -900 475 25 -899 899 0 1 0 N -900 450 -900 500
+A -800 25 25 901 -901 0 1 0 N -800 50 -800 0
+A -800 75 25 901 -901 0 1 0 N -800 100 -800 50
+A -800 125 25 901 -901 0 1 0 N -800 150 -800 100
+A -800 175 25 901 -901 0 1 0 N -800 200 -800 150
+A -800 325 25 901 -901 0 1 0 N -800 350 -800 300
+A -800 375 25 901 -901 0 1 0 N -800 400 -800 350
+A -800 425 25 901 -901 0 1 0 N -800 450 -800 400
+A -800 475 25 901 -901 0 1 0 N -800 500 -800 450
+A -725 25 25 1 1799 0 1 0 N -700 25 -750 25
+A -725 175 25 -1799 -1 0 1 0 N -750 175 -700 175
+A -725 325 25 1 1799 0 1 0 N -700 325 -750 325
+A -725 475 25 -1799 -1 0 1 0 N -750 475 -700 475
+A -675 25 25 1 1799 0 1 0 N -650 25 -700 25
+A -675 175 25 -1799 -1 0 1 0 N -700 175 -650 175
+A -675 325 25 1 1799 0 1 0 N -650 325 -700 325
+A -675 475 25 -1799 -1 0 1 0 N -700 475 -650 475
+S -1125 -550 400 550 0 1 10 f
+S -625 125 -525 75 0 1 0 N
+S -625 425 -525 375 0 1 0 N
+S -475 125 -375 75 0 1 0 N
+S -475 425 -375 375 0 1 0 N
+P 3 0 1 0 -900 0 -950 0 -925 0 N
+P 3 0 1 0 -900 100 -950 100 -925 100 N
+P 3 0 1 0 -900 200 -950 200 -925 200 N
+P 3 0 1 0 -900 300 -950 300 -925 300 N
+P 3 0 1 0 -900 400 -950 400 -925 400 N
+P 3 0 1 0 -650 25 -325 25 -325 25 N
+P 3 0 1 0 -650 175 -325 175 -325 175 N
+P 3 0 1 0 -650 325 -325 325 -325 325 N
+P 3 0 1 0 -650 475 -325 475 -325 475 N
+P 3 0 1 0 -525 100 -475 100 -475 100 N
+P 3 0 1 0 -525 400 -475 400 -475 400 N
+P 3 0 1 0 -175 300 -175 350 -175 350 N
+P 3 0 1 0 -125 350 -125 300 -125 300 N
+P 3 0 1 0 -75 350 -75 300 -75 300 N
+P 3 0 1 0 -25 350 -25 300 -25 300 N
+P 3 0 1 0 25 350 25 300 25 300 N
+P 3 0 1 0 75 350 75 300 75 300 N
+P 3 0 1 0 125 300 125 350 125 350 N
+P 3 0 1 0 175 300 175 350 175 350 N
+P 4 0 1 0 -900 500 -950 500 -925 500 -925 500 N
+P 4 0 1 0 -750 25 -750 0 -800 0 -800 0 N
+P 4 0 1 0 -750 325 -750 300 -800 300 -800 300 N
+P 4 0 1 0 -625 100 -800 100 -800 100 -800 100 N
+P 4 0 1 0 -625 400 -800 400 -800 400 -800 400 N
+P 6 0 1 0 -800 200 -750 200 -750 175 -750 175 -750 175 -750 175 N
+P 6 0 1 0 -800 500 -750 500 -750 475 -750 475 -750 475 -750 475 N
+P 14 0 1 0 -225 350 225 350 225 -50 125 -50 125 -100 75 -100 75 -150 -75 -150 -75 -100 -125 -100 -125 -50 -225 -50 -225 350 -225 350 N
+X TD+ 1 -1300 500 175 R 50 50 1 1 P
+X TCT 2 -1300 400 175 R 50 50 1 1 P
+X TD- 3 -1300 300 175 R 50 50 1 1 P
+X RD+ 4 -1300 200 175 R 50 50 1 1 P
+X RCT 5 -1300 100 175 R 50 50 1 1 P
+X RD- 6 -1300 0 175 R 50 50 1 1 P
+X ~ 8 -1300 -100 175 R 50 50 1 1 P
+X SHIELD 13 600 -400 200 L 50 50 1 1 P
+X LEDG_A GA -1300 -200 175 R 50 50 1 1 P
+X LEDY_A YA -1300 -400 175 R 50 50 1 1 P
+X LEDG_K GK -1300 -300 175 R 50 50 1 1 P
+X LEDY_K YK -1300 -500 175 R 50 50 1 1 P
+ENDDRAW
+ENDDEF
+#
+# TLP291-4
+#
+DEF TLP291-4 U 0 40 Y Y 4 F N
+F0 "U" -200 200 50 H V L CNN
+F1 "TLP291-4" 0 200 50 H V L CNN
+F2 "Housings_DIP:DIP-16_W7.62mm_SMD" -200 -200 50 H I L CIN
+F3 "" 0 0 50 H I L CNN
+$FPLIST
+ DIP*W7.62mm*SMD*
+$ENDFPLIST
+DRAW
+S -200 150 200 -150 0 1 10 f
+P 2 0 1 10 -125 -25 -75 -25 N
+P 2 0 1 0 100 25 175 100 N
+P 2 0 1 0 175 -100 100 -25 F
+P 2 0 1 0 175 -100 200 -100 N
+P 2 0 1 0 175 100 200 100 N
+P 3 0 1 0 -200 100 -100 100 -100 25 N
+P 3 0 1 0 -100 -25 -100 -100 -200 -100 N
+P 3 0 1 20 100 75 100 -75 100 -75 N
+P 4 0 1 10 -100 -25 -125 25 -75 25 -100 -25 F
+P 5 0 1 0 -20 -20 30 -20 15 -25 15 -15 30 -20 N
+P 5 0 1 0 -20 20 30 20 15 15 15 25 30 20 N
+P 5 0 1 0 120 -65 140 -45 160 -85 120 -65 120 -65 F
+X ~ 1 -300 100 100 R 50 50 1 1 P
+X ~ 2 -300 -100 100 R 50 50 1 1 P
+X ~ 15 300 -100 100 L 50 50 1 1 P
+X ~ 16 300 100 100 L 50 50 1 1 P
+X ~ 3 -300 100 100 R 50 50 2 1 P
+X ~ 4 -300 -100 100 R 50 50 2 1 P
+X ~ 13 300 -100 100 L 50 50 2 1 P
+X ~ 14 300 100 100 L 50 50 2 1 P
+X ~ 5 -300 100 100 R 50 50 3 1 P
+X ~ 6 -300 -100 100 R 50 50 3 1 P
+X ~ 11 300 -100 100 L 50 50 3 1 P
+X ~ 12 300 100 100 L 50 50 3 1 P
+X ~ 7 -300 100 100 R 50 50 4 1 P
+X ~ 8 -300 -100 100 R 50 50 4 1 P
+X ~ 9 300 -100 100 L 50 50 4 1 P
+X ~ 10 300 100 100 L 50 50 4 1 P
+ENDDRAW
+ENDDEF
+#
 #End Library
diff --git a/pcb/RevA/ste.pro b/pcb/RevA/ste.pro
index 4a944c5..79676ff 100644
--- a/pcb/RevA/ste.pro
+++ b/pcb/RevA/ste.pro
@@ -1,4 +1,4 @@
-update=Wed 20 Jun 2018 03:05:27 PM GMT
+update=Tue 26 Jun 2018 09:42:40 AM GMT
 version=1
 last_client=kicad
 [pcbnew]
@@ -23,6 +23,8 @@ ModuleOutlineThickness=0.150000000000
 [cvpcb]
 version=1
 NetIExt=net
+[general]
+version=1
 [eeschema]
 version=1
 LibDir=
@@ -59,5 +61,4 @@ LibName29=opto
 LibName30=atmel
 LibName31=contrib
 LibName32=valves
-[general]
-version=1
+LibName33=/home/ricardo/Projects/Kicad/libs/electropepper_kicad
diff --git a/pcb/RevA/ste.sch b/pcb/RevA/ste.sch
index eddb6b6..9f7fc43 100644
--- a/pcb/RevA/ste.sch
+++ b/pcb/RevA/ste.sch
@@ -31,14 +31,16 @@ LIBS:opto
 LIBS:atmel
 LIBS:contrib
 LIBS:valves
+LIBS:electropepper_kicad
+LIBS:ste-cache
 EELAYER 25 0
 EELAYER END
 $Descr A4 11693 8268
 encoding utf-8
 Sheet 1 1
-Title ""
+Title "STE"
 Date ""
-Rev ""
+Rev "A"
 Comp ""
 Comment1 ""
 Comment2 ""
@@ -48,23 +50,687 @@ $EndDescr
 $Comp
 L ATMEGA328P-AU U?
 U 1 1 5B2A6D85
-P 3925 3300
-F 0 "U?" H 3175 4550 50  0000 L BNN
-F 1 "ATMEGA328P-AU" H 4325 1900 50  0000 L BNN
-F 2 "Housings_QFP:TQFP-32_7x7mm_Pitch0.8mm" H 3925 3300 50  0001 C CIN
-F 3 "" H 3925 3300 50  0001 C CNN
-	1    3925 3300
+P 2525 3475
+F 0 "U?" H 1775 4725 50  0000 L BNN
+F 1 "ATMEGA328P-AU" H 2700 4700 50  0000 L BNN
+F 2 "Housings_QFP:TQFP-32_7x7mm_Pitch0.8mm" H 2525 3475 50  0001 C CIN
+F 3 "" H 2525 3475 50  0001 C CNN
+	1    2525 3475
 	1    0    0    -1  
 $EndComp
 $Comp
 L ENC28J60-C/SS U?
 U 1 1 5B2A6DFE
-P 7250 3325
-F 0 "U?" H 6700 4275 50  0000 L CNN
-F 1 "ENC28J60-C/SS" H 7450 4275 50  0000 L CNN
-F 2 "SSOP-28" H 7250 3325 50  0001 C CIN
-F 3 "" H 7250 3325 50  0001 C CNN
-	1    7250 3325
+P 6600 3475
+F 0 "U?" H 6050 4425 50  0000 L CNN
+F 1 "ENC28J60-C/SS" H 6800 4425 50  0000 L CNN
+F 2 "SSOP-28" H 6600 3475 50  0001 C CIN
+F 3 "" H 6600 3475 50  0001 C CNN
+	1    6600 3475
 	1    0    0    -1  
 $EndComp
+$Comp
+L RJ45-TRANSFO J?
+U 1 1 5B2BCB23
+P 10075 3225
+F 0 "J?" H 10175 3825 50  0000 L CNN
+F 1 "RJ45-TRANSFO" H 10025 3825 50  0000 R CNN
+F 2 "" H 10075 3225 50  0001 C CNN
+F 3 "" H 10075 3225 50  0001 C CNN
+	1    10075 3225
+	1    0    0    -1  
+$EndComp
+$Comp
+L MIC4680 U?
+U 1 1 5B3217BF
+P 2525 1125
+F 0 "U?" H 2175 1475 50  0000 C CNN
+F 1 "MIC4680" H 2875 775 50  0000 C CNN
+F 2 "" H 2525 1125 60  0001 C CNN
+F 3 "" H 2525 1125 60  0001 C CNN
+	1    2525 1125
+	1    0    0    -1  
+$EndComp
+$Comp
+L D_Schottky D?
+U 1 1 5B321B81
+P 3150 1475
+F 0 "D?" V 3025 1550 50  0000 C CNN
+F 1 "SS26" V 3250 1575 50  0000 C CNN
+F 2 "" H 3150 1475 50  0001 C CNN
+F 3 "" H 3150 1475 50  0001 C CNN
+	1    3150 1475
+	0    1    1    0   
+$EndComp
+$Comp
+L L L?
+U 1 1 5B321C58
+P 3375 975
+F 0 "L?" V 3450 1025 50  0000 C CNN
+F 1 "68uH" V 3325 1025 50  0000 C CNN
+F 2 "" H 3375 975 50  0001 C CNN
+F 3 "" H 3375 975 50  0001 C CNN
+	1    3375 975 
+	0    -1   -1   0   
+$EndComp
+$Comp
+L CP_Small C?
+U 1 1 5B321F5E
+P 1200 1125
+F 0 "C?" H 1210 1195 50  0000 L CNN
+F 1 "15pF/35V" H 1210 1045 50  0000 L CNN
+F 2 "" H 1200 1125 50  0001 C CNN
+F 3 "" H 1200 1125 50  0001 C CNN
+	1    1200 1125
+	1    0    0    -1  
+$EndComp
+$Comp
+L CP_Small C?
+U 1 1 5B321FDB
+P 4100 1375
+F 0 "C?" H 4110 1445 50  0000 L CNN
+F 1 "220uF/10V" H 4110 1295 50  0000 L CNN
+F 2 "" H 4100 1375 50  0001 C CNN
+F 3 "" H 4100 1375 50  0001 C CNN
+	1    4100 1375
+	1    0    0    -1  
+$EndComp
+$Comp
+L R R?
+U 1 1 5B32210E
+P 3650 1200
+F 0 "R?" H 3750 1300 50  0000 C CNN
+F 1 "3.01K" H 3825 1125 50  0000 C CNN
+F 2 "" V 3580 1200 50  0001 C CNN
+F 3 "" H 3650 1200 50  0001 C CNN
+	1    3650 1200
+	1    0    0    -1  
+$EndComp
+$Comp
+L R R?
+U 1 1 5B322173
+P 3650 1550
+F 0 "R?" H 3750 1625 50  0000 C CNN
+F 1 "1.788K" H 3825 1425 50  0000 C CNN
+F 2 "" V 3580 1550 50  0001 C CNN
+F 3 "" H 3650 1550 50  0001 C CNN
+	1    3650 1550
+	1    0    0    -1  
+$EndComp
+$Comp
+L Conn_01x02 J?
+U 1 1 5B322696
+P 750 975
+F 0 "J?" H 750 1075 50  0000 C CNN
+F 1 "Con_2" H 750 775 50  0000 C CNN
+F 2 "" H 750 975 50  0001 C CNN
+F 3 "" H 750 975 50  0001 C CNN
+	1    750  975 
+	-1   0    0    -1  
+$EndComp
+$Comp
+L GND #PWR?
+U 1 1 5B322C74
+P 1200 1275
+F 0 "#PWR?" H 1200 1025 50  0001 C CNN
+F 1 "GND" H 1200 1125 50  0000 C CNN
+F 2 "" H 1200 1275 50  0001 C CNN
+F 3 "" H 1200 1275 50  0001 C CNN
+	1    1200 1275
+	1    0    0    -1  
+$EndComp
+$Comp
+L GND #PWR?
+U 1 1 5B3247B7
+P 2575 1725
+F 0 "#PWR?" H 2575 1475 50  0001 C CNN
+F 1 "GND" H 2575 1575 50  0000 C CNN
+F 2 "" H 2575 1725 50  0001 C CNN
+F 3 "" H 2575 1725 50  0001 C CNN
+	1    2575 1725
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	950  975  1200 975 
+Wire Wire Line
+	1200 975  1975 975 
+Wire Wire Line
+	1200 1025 1200 975 
+Connection ~ 1200 975 
+Wire Wire Line
+	1200 1225 1200 1250
+Wire Wire Line
+	1200 1250 1200 1275
+Wire Wire Line
+	950  1075 1025 1075
+Wire Wire Line
+	1025 1075 1025 1250
+Wire Wire Line
+	1025 1250 1200 1250
+Wire Wire Line
+	1200 1250 1675 1250
+Connection ~ 1200 1250
+Wire Wire Line
+	1675 1250 1675 1225
+Wire Wire Line
+	1675 1225 1975 1225
+Wire Wire Line
+	3075 975  3150 975 
+Wire Wire Line
+	3150 975  3225 975 
+Wire Wire Line
+	3150 1325 3150 975 
+Connection ~ 3150 975 
+Wire Wire Line
+	3650 1350 3650 1375
+Wire Wire Line
+	3650 1375 3650 1400
+Wire Wire Line
+	3075 1225 3425 1225
+Wire Wire Line
+	3425 1225 3425 1375
+Wire Wire Line
+	3425 1375 3650 1375
+Connection ~ 3650 1375
+$Comp
+L GND #PWR?
+U 1 1 5B3262AA
+P 3650 1750
+F 0 "#PWR?" H 3650 1500 50  0001 C CNN
+F 1 "GND" H 3650 1600 50  0000 C CNN
+F 2 "" H 3650 1750 50  0001 C CNN
+F 3 "" H 3650 1750 50  0001 C CNN
+	1    3650 1750
+	1    0    0    -1  
+$EndComp
+$Comp
+L GND #PWR?
+U 1 1 5B326416
+P 4100 1525
+F 0 "#PWR?" H 4100 1275 50  0001 C CNN
+F 1 "GND" H 4100 1375 50  0000 C CNN
+F 2 "" H 4100 1525 50  0001 C CNN
+F 3 "" H 4100 1525 50  0001 C CNN
+	1    4100 1525
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	3150 1675 3150 1625
+Wire Wire Line
+	2375 1675 2475 1675
+Wire Wire Line
+	2475 1675 2575 1675
+Wire Wire Line
+	2575 1675 2675 1675
+Wire Wire Line
+	2675 1675 3150 1675
+Wire Wire Line
+	2375 1675 2375 1575
+Wire Wire Line
+	2575 1575 2575 1675
+Wire Wire Line
+	2575 1675 2575 1725
+Connection ~ 2575 1675
+Wire Wire Line
+	2475 1575 2475 1675
+Connection ~ 2475 1675
+Wire Wire Line
+	2675 1575 2675 1675
+Connection ~ 2675 1675
+Wire Wire Line
+	3650 1700 3650 1750
+Wire Wire Line
+	4100 1475 4100 1525
+$Comp
+L +5V #PWR?
+U 1 1 5B326D69
+P 4100 900
+F 0 "#PWR?" H 4100 750 50  0001 C CNN
+F 1 "+5V" H 4100 1040 50  0000 C CNN
+F 2 "" H 4100 900 50  0001 C CNN
+F 3 "" H 4100 900 50  0001 C CNN
+	1    4100 900 
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	4100 900  4100 975 
+Wire Wire Line
+	4100 975  4100 1275
+Wire Wire Line
+	3525 975  3650 975 
+Wire Wire Line
+	3650 975  4100 975 
+Connection ~ 4100 975 
+Wire Wire Line
+	3650 1050 3650 975 
+Connection ~ 3650 975 
+$Comp
+L GND #PWR?
+U 1 1 5B329C0C
+P 1550 4750
+F 0 "#PWR?" H 1550 4500 50  0001 C CNN
+F 1 "GND" H 1550 4600 50  0000 C CNN
+F 2 "" H 1550 4750 50  0001 C CNN
+F 3 "" H 1550 4750 50  0001 C CNN
+	1    1550 4750
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	1625 4475 1550 4475
+Wire Wire Line
+	1550 4475 1550 4575
+Wire Wire Line
+	1550 4575 1550 4675
+Wire Wire Line
+	1550 4675 1550 4750
+Wire Wire Line
+	1550 4575 1625 4575
+Connection ~ 1550 4575
+Wire Wire Line
+	1625 4675 1550 4675
+Connection ~ 1550 4675
+$Comp
+L C C?
+U 1 1 5B32A1F9
+P 1500 3175
+F 0 "C?" H 1525 3275 50  0000 L CNN
+F 1 "100nF" H 1500 3075 50  0000 L CNN
+F 2 "" H 1538 3025 50  0001 C CNN
+F 3 "" H 1500 3175 50  0001 C CNN
+	1    1500 3175
+	1    0    0    -1  
+$EndComp
+$Comp
+L GND #PWR?
+U 1 1 5B32A49E
+P 1500 3375
+F 0 "#PWR?" H 1500 3125 50  0001 C CNN
+F 1 "GND" H 1500 3225 50  0000 C CNN
+F 2 "" H 1500 3375 50  0001 C CNN
+F 3 "" H 1500 3375 50  0001 C CNN
+	1    1500 3375
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	1625 2975 1500 2975
+Wire Wire Line
+	1500 2975 1500 3025
+Wire Wire Line
+	1500 3325 1500 3375
+$Comp
+L C C?
+U 1 1 5B32A8F2
+P 1225 2375
+F 0 "C?" V 1075 2250 50  0000 L CNN
+F 1 "100nF" V 1350 2300 50  0000 L CNN
+F 2 "" H 1263 2225 50  0001 C CNN
+F 3 "" H 1225 2375 50  0001 C CNN
+	1    1225 2375
+	0    1    1    0   
+$EndComp
+$Comp
+L +5V #PWR?
+U 1 1 5B32A9F1
+P 1500 2250
+F 0 "#PWR?" H 1500 2100 50  0001 C CNN
+F 1 "+5V" H 1500 2390 50  0000 C CNN
+F 2 "" H 1500 2250 50  0001 C CNN
+F 3 "" H 1500 2250 50  0001 C CNN
+	1    1500 2250
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	1500 2250 1500 2375
+Wire Wire Line
+	1500 2375 1500 2475
+Wire Wire Line
+	1500 2475 1500 2675
+Wire Wire Line
+	1500 2675 1625 2675
+Wire Wire Line
+	1375 2375 1500 2375
+Wire Wire Line
+	1500 2375 1625 2375
+Connection ~ 1500 2375
+Wire Wire Line
+	1625 2475 1500 2475
+Connection ~ 1500 2475
+$Comp
+L GND #PWR?
+U 1 1 5B32AE1B
+P 1000 2425
+F 0 "#PWR?" H 1000 2175 50  0001 C CNN
+F 1 "GND" H 1000 2275 50  0000 C CNN
+F 2 "" H 1000 2425 50  0001 C CNN
+F 3 "" H 1000 2425 50  0001 C CNN
+	1    1000 2425
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	1075 2375 1000 2375
+Wire Wire Line
+	1000 2375 1000 2425
+NoConn ~ 1625 3725
+NoConn ~ 1625 3825
+$Comp
+L TLP291-4 U?
+U 1 1 5B32EAE7
+P 2600 5550
+F 0 "U?" H 2375 5750 50  0000 L CNN
+F 1 "TLP291-4" H 2450 5350 50  0000 L CNN
+F 2 "Housings_DIP:DIP-16_W7.62mm_SMD" H 2400 5350 50  0001 L CIN
+F 3 "" H 2600 5550 50  0001 L CNN
+	1    2600 5550
+	1    0    0    -1  
+$EndComp
+$Comp
+L TLP291-4 U?
+U 2 1 5B32EB66
+P 2600 6125
+F 0 "U?" H 2375 6325 50  0000 L CNN
+F 1 "TLP291-4" H 2450 5925 50  0000 L CNN
+F 2 "Housings_DIP:DIP-16_W7.62mm_SMD" H 2400 5925 50  0001 L CIN
+F 3 "" H 2600 6125 50  0001 L CNN
+	2    2600 6125
+	1    0    0    -1  
+$EndComp
+$Comp
+L TLP291-4 U?
+U 3 1 5B32EC10
+P 2625 6700
+F 0 "U?" H 2400 6900 50  0000 L CNN
+F 1 "TLP291-4" H 2475 6500 50  0000 L CNN
+F 2 "Housings_DIP:DIP-16_W7.62mm_SMD" H 2425 6500 50  0001 L CIN
+F 3 "" H 2625 6700 50  0001 L CNN
+	3    2625 6700
+	1    0    0    -1  
+$EndComp
+$Comp
+L TLP291-4 U?
+U 4 1 5B32ECA3
+P 2625 7275
+F 0 "U?" H 2400 7475 50  0000 L CNN
+F 1 "TLP291-4" H 2475 7075 50  0000 L CNN
+F 2 "Housings_DIP:DIP-16_W7.62mm_SMD" H 2425 7075 50  0001 L CIN
+F 3 "" H 2625 7275 50  0001 L CNN
+	4    2625 7275
+	1    0    0    -1  
+$EndComp
+$Comp
+L GND #PWR?
+U 1 1 5B3323CA
+P 3025 7475
+F 0 "#PWR?" H 3025 7225 50  0001 C CNN
+F 1 "GND" H 3025 7325 50  0000 C CNN
+F 2 "" H 3025 7475 50  0001 C CNN
+F 3 "" H 3025 7475 50  0001 C CNN
+	1    3025 7475
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	3025 5650 3025 6225
+Wire Wire Line
+	3025 6225 3025 6800
+Wire Wire Line
+	3025 6800 3025 7375
+Wire Wire Line
+	3025 7375 3025 7475
+Wire Wire Line
+	3025 5650 2900 5650
+Wire Wire Line
+	2900 6225 3025 6225
+Connection ~ 3025 6225
+Wire Wire Line
+	2925 6800 3025 6800
+Connection ~ 3025 6800
+Wire Wire Line
+	2925 7375 3025 7375
+Connection ~ 3025 7375
+Wire Wire Line
+	3525 4275 3600 4275
+Wire Wire Line
+	3600 4275 3600 5450
+Wire Wire Line
+	3600 5450 3325 5450
+Wire Wire Line
+	3325 5450 2900 5450
+Wire Wire Line
+	3525 4175 3700 4175
+Wire Wire Line
+	3700 4175 3700 6025
+Wire Wire Line
+	3700 6025 3325 6025
+Wire Wire Line
+	3325 6025 2900 6025
+Wire Wire Line
+	3525 4075 3800 4075
+Wire Wire Line
+	3800 4075 3800 6600
+Wire Wire Line
+	3800 6600 3325 6600
+Wire Wire Line
+	3325 6600 2925 6600
+Wire Wire Line
+	3525 3975 3900 3975
+Wire Wire Line
+	3900 3975 3900 7175
+Wire Wire Line
+	3900 7175 3325 7175
+Wire Wire Line
+	3325 7175 2925 7175
+$Comp
+L R R?
+U 1 1 5B334A61
+P 3325 5250
+F 0 "R?" H 3375 5400 50  0000 C CNN
+F 1 "1K" H 3425 5250 50  0000 C CNN
+F 2 "" V 3255 5250 50  0001 C CNN
+F 3 "" H 3325 5250 50  0001 C CNN
+	1    3325 5250
+	1    0    0    -1  
+$EndComp
+$Comp
+L R R?
+U 1 1 5B334B6C
+P 3325 5850
+F 0 "R?" H 3375 6000 50  0000 C CNN
+F 1 "1K" H 3425 5850 50  0000 C CNN
+F 2 "" V 3255 5850 50  0001 C CNN
+F 3 "" H 3325 5850 50  0001 C CNN
+	1    3325 5850
+	1    0    0    -1  
+$EndComp
+$Comp
+L R R?
+U 1 1 5B334F7D
+P 3325 6425
+F 0 "R?" H 3375 6575 50  0000 C CNN
+F 1 "1K" H 3425 6425 50  0000 C CNN
+F 2 "" V 3255 6425 50  0001 C CNN
+F 3 "" H 3325 6425 50  0001 C CNN
+	1    3325 6425
+	1    0    0    -1  
+$EndComp
+$Comp
+L R R?
+U 1 1 5B335573
+P 3325 7000
+F 0 "R?" H 3375 7150 50  0000 C CNN
+F 1 "1K" H 3425 7000 50  0000 C CNN
+F 2 "" V 3255 7000 50  0001 C CNN
+F 3 "" H 3325 7000 50  0001 C CNN
+	1    3325 7000
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	3325 6000 3325 6025
+Connection ~ 3325 6025
+Wire Wire Line
+	3325 5400 3325 5450
+Connection ~ 3325 5450
+Wire Wire Line
+	3325 7150 3325 7175
+Connection ~ 3325 7175
+Wire Wire Line
+	3325 6575 3325 6600
+Connection ~ 3325 6600
+$Comp
+L +5V #PWR?
+U 1 1 5B3260E7
+P 3325 5675
+F 0 "#PWR?" H 3325 5525 50  0001 C CNN
+F 1 "+5V" H 3325 5815 50  0000 C CNN
+F 2 "" H 3325 5675 50  0001 C CNN
+F 3 "" H 3325 5675 50  0001 C CNN
+	1    3325 5675
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	3325 5675 3325 5700
+$Comp
+L +5V #PWR?
+U 1 1 5B327562
+P 3325 6250
+F 0 "#PWR?" H 3325 6100 50  0001 C CNN
+F 1 "+5V" H 3325 6390 50  0000 C CNN
+F 2 "" H 3325 6250 50  0001 C CNN
+F 3 "" H 3325 6250 50  0001 C CNN
+	1    3325 6250
+	1    0    0    -1  
+$EndComp
+$Comp
+L +5V #PWR?
+U 1 1 5B3277B9
+P 3325 6825
+F 0 "#PWR?" H 3325 6675 50  0001 C CNN
+F 1 "+5V" H 3325 6965 50  0000 C CNN
+F 2 "" H 3325 6825 50  0001 C CNN
+F 3 "" H 3325 6825 50  0001 C CNN
+	1    3325 6825
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	3325 6825 3325 6850
+Wire Wire Line
+	3325 6250 3325 6275
+$Comp
+L +5V #PWR?
+U 1 1 5B328171
+P 3325 5075
+F 0 "#PWR?" H 3325 4925 50  0001 C CNN
+F 1 "+5V" H 3325 5215 50  0000 C CNN
+F 2 "" H 3325 5075 50  0001 C CNN
+F 3 "" H 3325 5075 50  0001 C CNN
+	1    3325 5075
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	3325 5075 3325 5100
+$Comp
+L Conn_01x08 J?
+U 1 1 5B32AE99
+P 850 5750
+F 0 "J?" H 850 6150 50  0000 C CNN
+F 1 "Con_8" H 850 5250 50  0000 C CNN
+F 2 "" H 850 5750 50  0001 C CNN
+F 3 "" H 850 5750 50  0001 C CNN
+	1    850  5750
+	-1   0    0    -1  
+$EndComp
+$Comp
+L R R?
+U 1 1 5B32B4B7
+P 1800 5450
+F 0 "R?" V 1700 5400 50  0000 C CNN
+F 1 "1K" V 1850 5625 50  0000 C CNN
+F 2 "" V 1730 5450 50  0001 C CNN
+F 3 "" H 1800 5450 50  0001 C CNN
+	1    1800 5450
+	0    1    1    0   
+$EndComp
+$Comp
+L R R?
+U 1 1 5B32B672
+P 1800 6025
+F 0 "R?" V 1700 5975 50  0000 C CNN
+F 1 "1K" V 1850 6200 50  0000 C CNN
+F 2 "" V 1730 6025 50  0001 C CNN
+F 3 "" H 1800 6025 50  0001 C CNN
+	1    1800 6025
+	0    1    1    0   
+$EndComp
+$Comp
+L R R?
+U 1 1 5B32C31C
+P 1800 7175
+F 0 "R?" V 1700 7125 50  0000 C CNN
+F 1 "1K" V 1850 7350 50  0000 C CNN
+F 2 "" V 1730 7175 50  0001 C CNN
+F 3 "" H 1800 7175 50  0001 C CNN
+	1    1800 7175
+	0    1    1    0   
+$EndComp
+$Comp
+L R R?
+U 1 1 5B32C310
+P 1800 6600
+F 0 "R?" V 1700 6550 50  0000 C CNN
+F 1 "1K" V 1850 6775 50  0000 C CNN
+F 2 "" V 1730 6600 50  0001 C CNN
+F 3 "" H 1800 6600 50  0001 C CNN
+	1    1800 6600
+	0    1    1    0   
+$EndComp
+Wire Wire Line
+	1050 5450 1650 5450
+Wire Wire Line
+	1950 5450 2300 5450
+Wire Wire Line
+	1050 5650 1600 5650
+Wire Wire Line
+	1600 5650 1600 6025
+Wire Wire Line
+	1600 6025 1650 6025
+Wire Wire Line
+	1950 6025 2300 6025
+Wire Wire Line
+	1050 5850 1450 5850
+Wire Wire Line
+	1450 5850 1450 6600
+Wire Wire Line
+	1450 6600 1650 6600
+Wire Wire Line
+	1050 6050 1300 6050
+Wire Wire Line
+	1300 6050 1300 7175
+Wire Wire Line
+	1300 7175 1650 7175
+Wire Wire Line
+	1950 6600 2325 6600
+Wire Wire Line
+	1950 7175 2325 7175
+Wire Wire Line
+	1050 5550 1675 5550
+Wire Wire Line
+	1675 5550 1675 5650
+Wire Wire Line
+	1675 5650 2300 5650
+Wire Wire Line
+	1050 5750 1525 5750
+Wire Wire Line
+	1525 5750 1525 6225
+Wire Wire Line
+	1525 6225 2300 6225
+Wire Wire Line
+	1050 5950 1375 5950
+Wire Wire Line
+	1375 5950 1375 6800
+Wire Wire Line
+	1375 6800 2325 6800
+Wire Wire Line
+	1050 6150 1225 6150
+Wire Wire Line
+	1225 6150 1225 7375
+Wire Wire Line
+	1225 7375 2325 7375
 $EndSCHEMATC