diff --git a/pcb/RevA/ste-cache.lib b/pcb/RevA/ste-cache.lib
new file mode 100644
index 0000000..3405530
--- /dev/null
+++ b/pcb/RevA/ste-cache.lib
@@ -0,0 +1,95 @@
+EESchema-LIBRARY Version 2.3
+#encoding utf-8
+#
+# ATMEGA168A-AU
+#
+DEF ATMEGA168A-AU U 0 40 Y Y 1 F N
+F0 "U" -750 1250 50 H V L BNN
+F1 "ATMEGA168A-AU" 400 -1400 50 H V L BNN
+F2 "Housings_QFP:TQFP-32_7x7mm_Pitch0.8mm" 0 0 50 H I C CIN
+F3 "" 0 0 50 H I C CNN
+ALIAS ATMEGA48A-AU ATMEGA48PA-AU ATMEGA88A-AU ATMEGA88PA-AU ATMEGA168PA-AU ATMEGA328-AU ATMEGA328P-AU
+$FPLIST
+ TQFP*7x7mm*Pitch0.8mm*
+$ENDFPLIST
+DRAW
+S -750 1200 850 -1300 0 1 10 f
+X (PCINT19/OC2B/INT1)PD3 1 1000 -800 150 L 40 40 1 1 B
+X (PCINT20/XCK/T0)PD4 2 1000 -900 150 L 40 40 1 1 B
+X GND 3 -900 -1200 150 R 40 40 1 1 W
+X VCC 4 -900 1100 150 R 40 40 1 1 W
+X GND 5 -900 -1100 150 R 40 40 1 1 W
+X VCC 6 -900 1000 150 R 40 40 1 1 W
+X (PCINT6/XTAL1/TOSC1)PB6 7 1000 500 150 L 40 40 1 1 B
+X (PCINT7/XTAL2/TOSC2)PB7 8 1000 400 150 L 40 40 1 1 B
+X (PCINT21/OC0B/T1)PD5 9 1000 -1000 150 L 40 40 1 1 B
+X (PCINT22/OC0A/AIN0)PD6 10 1000 -1100 150 L 40 40 1 1 B
+X AREF 20 -900 500 150 R 40 40 1 1 B
+X (PCINT16/RXD)PD0 30 1000 -500 150 L 40 40 1 1 B
+X (PCINT23/AIN1)PD7 11 1000 -1200 150 L 40 40 1 1 B
+X GND 21 -900 -1000 150 R 40 40 1 1 W
+X (PCINT17/TXD)PD1 31 1000 -600 150 L 40 40 1 1 B
+X (PCINT0/CLKO/ICP1)PB0 12 1000 1100 150 L 40 40 1 1 B
+X ADC7 22 -900 -350 150 R 40 40 1 1 I
+X (PCINT18/INT0)PD2 32 1000 -700 150 L 40 40 1 1 B
+X (PCINT1/OC1A)PB1 13 1000 1000 150 L 40 40 1 1 B
+X (PCINT8/ADC0)PC0 23 1000 250 150 L 40 40 1 1 B
+X (PCINT2/OC1B/~SS~)PB2 14 1000 900 150 L 40 40 1 1 B
+X (PCINT9/ADC1)PC1 24 1000 150 150 L 40 40 1 1 B
+X (PCINT3/OC2A/MOSI)PB3 15 1000 800 150 L 40 40 1 1 B
+X (PCINT10/ADC2)PC2 25 1000 50 150 L 40 40 1 1 B
+X (PCINT4/MISO)PB4 16 1000 700 150 L 40 40 1 1 B
+X (PCINT11/ADC3)PC3 26 1000 -50 150 L 40 40 1 1 B
+X (PCINT5/SCK)PB5 17 1000 600 150 L 40 40 1 1 B
+X (PCINT12/SDA/ADC4)PC4 27 1000 -150 150 L 40 40 1 1 B
+X AVCC 18 -900 800 150 R 40 40 1 1 W
+X (PCINT13/SCL/ADC5)PC5 28 1000 -250 150 L 40 40 1 1 B
+X ADC6 19 -900 -250 150 R 40 40 1 1 I
+X (PCINT14/~RESET~)PC6 29 1000 -350 150 L 40 40 1 1 B
+ENDDRAW
+ENDDEF
+#
+# ENC28J60-C/SS
+#
+DEF ENC28J60-C/SS U 0 40 Y Y 1 F N
+F0 "U" -550 950 50 H V L CNN
+F1 "ENC28J60-C/SS" 200 950 50 H V L CNN
+F2 "SSOP-28" 0 0 50 H I C CIN
+F3 "" 0 0 50 H I C CNN
+$FPLIST
+ SSOP*
+$ENDFPLIST
+DRAW
+S -550 900 550 -900 0 1 10 f
+X VCAP 1 700 -800 150 L 50 50 1 1 I
+X VSS 2 -100 -1050 150 U 50 50 1 1 W
+X CLKOUT 3 -700 -800 150 R 50 50 1 1 O
+X ~INT 4 -700 100 150 R 50 50 1 1 O
+X ~WOL 5 -700 0 150 R 50 50 1 1 O
+X SO 6 -700 500 150 R 50 50 1 1 O
+X SI 7 -700 600 150 R 50 50 1 1 I
+X SCK 8 -700 400 150 R 50 50 1 1 I
+X ~CS 9 -700 300 150 R 50 50 1 1 I
+X ~RESET 10 -700 800 150 R 50 50 1 1 I
+X VDDPLL 20 100 1050 150 D 50 50 1 1 W
+X VSSRX 11 700 200 150 L 50 50 1 1 W
+X VSSPLL 21 100 -1050 150 U 50 50 1 1 W
+X TPIN- 12 700 300 150 L 50 50 1 1 I
+X VSSOSC 22 -700 -600 150 R 50 50 1 1 W
+X TPIN+ 13 700 400 150 L 50 50 1 1 I
+X OSC1 23 -700 -300 150 R 50 50 1 1 I
+X RBIAS 14 700 -600 150 L 50 50 1 1 I
+X OSC2 24 -700 -500 150 R 50 50 1 1 I
+X VDDTX 15 700 0 150 L 50 50 1 1 W
+X VDDOSC 25 -700 -200 150 R 50 50 1 1 W
+X TPOUT- 16 700 -200 150 L 50 50 1 1 O
+X LEDB 26 700 700 150 L 50 50 1 1 O
+X TPOUT+ 17 700 -100 150 L 50 50 1 1 O
+X LEDA 27 700 800 150 L 50 50 1 1 O
+X VSSTX 18 700 -300 150 L 50 50 1 1 W
+X VDD 28 -100 1050 150 D 50 50 1 1 W
+X VDDRX 19 700 500 150 L 50 50 1 1 W
+ENDDRAW
+ENDDEF
+#
+#End Library
diff --git a/pcb/RevA/ste.kicad_pcb b/pcb/RevA/ste.kicad_pcb
new file mode 100644
index 0000000..02c8ecb
--- /dev/null
+++ b/pcb/RevA/ste.kicad_pcb
@@ -0,0 +1 @@
+(kicad_pcb (version 4) (host kicad "dummy file") )
diff --git a/pcb/RevA/ste.pro b/pcb/RevA/ste.pro
new file mode 100644
index 0000000..4a944c5
--- /dev/null
+++ b/pcb/RevA/ste.pro
@@ -0,0 +1,63 @@
+update=Wed 20 Jun 2018 03:05:27 PM GMT
+version=1
+last_client=kicad
+[pcbnew]
+version=1
+LastNetListRead=
+UseCmpFile=1
+PadDrill=0.600000000000
+PadDrillOvalY=0.600000000000
+PadSizeH=1.500000000000
+PadSizeV=1.500000000000
+PcbTextSizeV=1.500000000000
+PcbTextSizeH=1.500000000000
+PcbTextThickness=0.300000000000
+ModuleTextSizeV=1.000000000000
+ModuleTextSizeH=1.000000000000
+ModuleTextSizeThickness=0.150000000000
+SolderMaskClearance=0.000000000000
+SolderMaskMinWidth=0.000000000000
+DrawSegmentWidth=0.200000000000
+BoardOutlineThickness=0.100000000000
+ModuleOutlineThickness=0.150000000000
+[cvpcb]
+version=1
+NetIExt=net
+[eeschema]
+version=1
+LibDir=
+[eeschema/libraries]
+LibName1=power
+LibName2=device
+LibName3=switches
+LibName4=relays
+LibName5=motors
+LibName6=transistors
+LibName7=conn
+LibName8=linear
+LibName9=regul
+LibName10=74xx
+LibName11=cmos4000
+LibName12=adc-dac
+LibName13=memory
+LibName14=xilinx
+LibName15=microcontrollers
+LibName16=dsp
+LibName17=microchip
+LibName18=analog_switches
+LibName19=motorola
+LibName20=texas
+LibName21=intel
+LibName22=audio
+LibName23=interface
+LibName24=digital-audio
+LibName25=philips
+LibName26=display
+LibName27=cypress
+LibName28=siliconi
+LibName29=opto
+LibName30=atmel
+LibName31=contrib
+LibName32=valves
+[general]
+version=1
diff --git a/pcb/RevA/ste.sch b/pcb/RevA/ste.sch
new file mode 100644
index 0000000..eddb6b6
--- /dev/null
+++ b/pcb/RevA/ste.sch
@@ -0,0 +1,70 @@
+EESchema Schematic File Version 2
+LIBS:power
+LIBS:device
+LIBS:switches
+LIBS:relays
+LIBS:motors
+LIBS:transistors
+LIBS:conn
+LIBS:linear
+LIBS:regul
+LIBS:74xx
+LIBS:cmos4000
+LIBS:adc-dac
+LIBS:memory
+LIBS:xilinx
+LIBS:microcontrollers
+LIBS:dsp
+LIBS:microchip
+LIBS:analog_switches
+LIBS:motorola
+LIBS:texas
+LIBS:intel
+LIBS:audio
+LIBS:interface
+LIBS:digital-audio
+LIBS:philips
+LIBS:display
+LIBS:cypress
+LIBS:siliconi
+LIBS:opto
+LIBS:atmel
+LIBS:contrib
+LIBS:valves
+EELAYER 25 0
+EELAYER END
+$Descr A4 11693 8268
+encoding utf-8
+Sheet 1 1
+Title ""
+Date ""
+Rev ""
+Comp ""
+Comment1 ""
+Comment2 ""
+Comment3 ""
+Comment4 ""
+$EndDescr
+$Comp
+L ATMEGA328P-AU U?
+U 1 1 5B2A6D85
+P 3925 3300
+F 0 "U?" H 3175 4550 50  0000 L BNN
+F 1 "ATMEGA328P-AU" H 4325 1900 50  0000 L BNN
+F 2 "Housings_QFP:TQFP-32_7x7mm_Pitch0.8mm" H 3925 3300 50  0001 C CIN
+F 3 "" H 3925 3300 50  0001 C CNN
+	1    3925 3300
+	1    0    0    -1  
+$EndComp
+$Comp
+L ENC28J60-C/SS U?
+U 1 1 5B2A6DFE
+P 7250 3325
+F 0 "U?" H 6700 4275 50  0000 L CNN
+F 1 "ENC28J60-C/SS" H 7450 4275 50  0000 L CNN
+F 2 "SSOP-28" H 7250 3325 50  0001 C CIN
+F 3 "" H 7250 3325 50  0001 C CNN
+	1    7250 3325
+	1    0    0    -1  
+$EndComp
+$EndSCHEMATC