diff --git a/anykey-cache.lib b/anykey-cache.lib
new file mode 100644
index 0000000..58f2a14
--- /dev/null
+++ b/anykey-cache.lib
@@ -0,0 +1,195 @@
+EESchema-LIBRARY Version 2.4
+#encoding utf-8
+#
+# Connector_USB_A
+#
+DEF Connector_USB_A J 0 40 Y Y 1 F N
+F0 "J" -200 450 50 H V L CNN
+F1 "Connector_USB_A" -200 350 50 H V L CNN
+F2 "" 150 -50 50 H I C CNN
+F3 "" 150 -50 50 H I C CNN
+$FPLIST
+ USB*
+$ENDFPLIST
+DRAW
+C -150 85 25 0 1 10 F
+C -25 135 15 0 1 10 F
+S -200 -300 200 300 0 1 10 f
+S -60 190 -170 210 0 1 0 F
+S -50 180 -180 230 0 1 0 N
+S -5 -300 5 -270 0 1 0 N
+S 10 50 -20 20 0 1 10 F
+S 200 -105 170 -95 0 1 0 N
+S 200 -5 170 5 0 1 0 N
+S 200 195 170 205 0 1 0 N
+P 4 0 1 10 -125 85 -100 85 -50 135 -25 135 N
+P 4 0 1 10 -100 85 -75 85 -50 35 0 35 N
+P 4 0 1 10 25 110 25 60 75 85 25 110 F
+P 2 1 1 10 -75 85 25 85 N
+X VBUS 1 300 200 100 L 50 50 1 1 W
+X D- 2 300 -100 100 L 50 50 1 1 P
+X D+ 3 300 0 100 L 50 50 1 1 P
+X GND 4 0 -400 100 U 50 50 1 1 W
+X Shield 5 -100 -400 100 U 50 50 1 1 P
+ENDDRAW
+ENDDEF
+#
+# Device_C_Small
+#
+DEF Device_C_Small C 0 10 N N 1 F N
+F0 "C" 10 70 50 H V L CNN
+F1 "Device_C_Small" 10 -80 50 H V L CNN
+F2 "" 0 0 50 H I C CNN
+F3 "" 0 0 50 H I C CNN
+$FPLIST
+ C_*
+$ENDFPLIST
+DRAW
+P 2 0 1 13 -60 -20 60 -20 N
+P 2 0 1 12 -60 20 60 20 N
+X ~ 1 0 100 80 D 50 50 1 1 P
+X ~ 2 0 -100 80 U 50 50 1 1 P
+ENDDRAW
+ENDDEF
+#
+# Device_R_Small
+#
+DEF Device_R_Small R 0 10 N N 1 F N
+F0 "R" 30 20 50 H V L CNN
+F1 "Device_R_Small" 30 -40 50 H V L CNN
+F2 "" 0 0 50 H I C CNN
+F3 "" 0 0 50 H I C CNN
+$FPLIST
+ R_*
+$ENDFPLIST
+DRAW
+S -30 70 30 -70 0 1 8 N
+X ~ 1 0 100 30 D 50 50 1 1 P
+X ~ 2 0 -100 30 U 50 50 1 1 P
+ENDDRAW
+ENDDEF
+#
+# MCU_ST_STM32F0_STM32F072CBTx
+#
+DEF MCU_ST_STM32F0_STM32F072CBTx U 0 20 Y Y 1 F N
+F0 "U" -600 1450 50 H V L CNN
+F1 "MCU_ST_STM32F0_STM32F072CBTx" 300 1450 50 H V L CNN
+F2 "Package_QFP:LQFP-48_7x7mm_P0.5mm" -600 -1400 50 H I R CNN
+F3 "" 0 0 50 H I C CNN
+ALIAS STM32F072CBTx
+$FPLIST
+ LQFP*7x7mm*P0.5mm*
+$ENDFPLIST
+DRAW
+S -600 -1400 500 1400 0 1 10 f
+X VBAT 1 -200 1500 100 D 50 50 1 1 W
+X PA0 10 600 200 100 L 50 50 1 1 B
+X PA1 11 600 100 100 L 50 50 1 1 B
+X PA2 12 600 0 100 L 50 50 1 1 B
+X PA3 13 600 -100 100 L 50 50 1 1 B
+X PA4 14 600 -200 100 L 50 50 1 1 B
+X PA5 15 600 -300 100 L 50 50 1 1 B
+X PA6 16 600 -400 100 L 50 50 1 1 B
+X PA7 17 600 -500 100 L 50 50 1 1 B
+X PB0 18 -700 200 100 R 50 50 1 1 B
+X PB1 19 -700 100 100 R 50 50 1 1 B
+X PC13 2 -700 600 100 R 50 50 1 1 B
+X PB2 20 -700 0 100 R 50 50 1 1 B
+X PB10 21 -700 -800 100 R 50 50 1 1 B
+X PB11 22 -700 -900 100 R 50 50 1 1 B
+X VSS 23 -200 -1500 100 U 50 50 1 1 W
+X VDD 24 -100 1500 100 D 50 50 1 1 W
+X PB12 25 -700 -1000 100 R 50 50 1 1 B
+X PB13 26 -700 -1100 100 R 50 50 1 1 B
+X PB14 27 -700 -1200 100 R 50 50 1 1 B
+X PB15 28 -700 -1300 100 R 50 50 1 1 B
+X PA8 29 600 -600 100 L 50 50 1 1 B
+X PC14 3 -700 500 100 R 50 50 1 1 B
+X PA9 30 600 -700 100 L 50 50 1 1 B
+X PA10 31 600 -800 100 L 50 50 1 1 B
+X PA11 32 600 -900 100 L 50 50 1 1 B
+X PA12 33 600 -1000 100 L 50 50 1 1 B
+X PA13 34 600 -1100 100 L 50 50 1 1 B
+X VSS 35 -100 -1500 100 U 50 50 1 1 W
+X VDDIO2 36 200 1500 100 D 50 50 1 1 W
+X PA14 37 600 -1200 100 L 50 50 1 1 B
+X PA15 38 600 -1300 100 L 50 50 1 1 B
+X PB3 39 -700 -100 100 R 50 50 1 1 B
+X PC15 4 -700 400 100 R 50 50 1 1 B
+X PB4 40 -700 -200 100 R 50 50 1 1 B
+X PB5 41 -700 -300 100 R 50 50 1 1 B
+X PB6 42 -700 -400 100 R 50 50 1 1 B
+X PB7 43 -700 -500 100 R 50 50 1 1 B
+X BOOT0 44 -700 1100 100 R 50 50 1 1 I
+X PB8 45 -700 -600 100 R 50 50 1 1 B
+X PB9 46 -700 -700 100 R 50 50 1 1 B
+X VSS 47 0 -1500 100 U 50 50 1 1 W
+X VDD 48 0 1500 100 D 50 50 1 1 W
+X PF0 5 -700 900 100 R 50 50 1 1 I
+X PF1 6 -700 800 100 R 50 50 1 1 I
+X NRST 7 -700 1300 100 R 50 50 1 1 I
+X VSSA 8 100 -1500 100 U 50 50 1 1 W
+X VDDA 9 100 1500 100 D 50 50 1 1 W
+ENDDRAW
+ENDDEF
+#
+# Switch_SW_Push
+#
+DEF Switch_SW_Push SW 0 40 N N 1 F N
+F0 "SW" 50 100 50 H V L CNN
+F1 "Switch_SW_Push" 0 -60 50 H V C CNN
+F2 "" 0 200 50 H I C CNN
+F3 "" 0 200 50 H I C CNN
+DRAW
+C -80 0 20 0 1 0 N
+C 80 0 20 0 1 0 N
+P 2 0 1 0 0 50 0 120 N
+P 2 0 1 0 100 50 -100 50 N
+X 1 1 -200 0 100 R 50 50 0 1 P
+X 2 2 200 0 100 L 50 50 0 1 P
+ENDDRAW
+ENDDEF
+#
+# power_+3V3
+#
+DEF power_+3V3 #PWR 0 0 Y Y 1 F P
+F0 "#PWR" 0 -150 50 H I C CNN
+F1 "power_+3V3" 0 140 50 H V C CNN
+F2 "" 0 0 50 H I C CNN
+F3 "" 0 0 50 H I C CNN
+ALIAS +3.3V
+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 +3V3 1 0 0 0 U 50 50 1 1 W N
+ENDDRAW
+ENDDEF
+#
+# power_GND
+#
+DEF power_GND #PWR 0 0 Y Y 1 F P
+F0 "#PWR" 0 -250 50 H I C CNN
+F1 "power_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
+#
+# power_PWR_FLAG
+#
+DEF power_PWR_FLAG #FLG 0 0 N N 1 F P
+F0 "#FLG" 0 75 50 H I C CNN
+F1 "power_PWR_FLAG" 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 -40 75 0 100 40 75 0 50 N
+X pwr 1 0 0 0 U 50 50 0 0 w
+ENDDRAW
+ENDDEF
+#
+#End Library
diff --git a/anykey.sch b/anykey.sch
index fff8c68..24eb808 100644
--- a/anykey.sch
+++ b/anykey.sch
@@ -1,4 +1,447 @@
-EESchema Schematic File Version 2
-EELAYER 25 0
+EESchema Schematic File Version 4
+EELAYER 30 0
 EELAYER END
+$Descr A4 11693 8268
+encoding utf-8
+Sheet 1 1
+Title ""
+Date ""
+Rev ""
+Comp ""
+Comment1 ""
+Comment2 ""
+Comment3 ""
+Comment4 ""
+$EndDescr
+$Comp
+L Connector:USB_A J?
+U 1 1 5F874047
+P 1500 1500
+F 0 "J?" H 1557 1967 50  0000 C CNN
+F 1 "USB_A" H 1557 1876 50  0000 C CNN
+F 2 "" H 1650 1450 50  0001 C CNN
+F 3 " ~" H 1650 1450 50  0001 C CNN
+	1    1500 1500
+	1    0    0    -1  
+$EndComp
+$Comp
+L power:GND #PWR?
+U 1 1 5F877F81
+P 1750 2000
+F 0 "#PWR?" H 1750 1750 50  0001 C CNN
+F 1 "GND" H 1755 1827 50  0000 C CNN
+F 2 "" H 1750 2000 50  0001 C CNN
+F 3 "" H 1750 2000 50  0001 C CNN
+	1    1750 2000
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	1400 1900 1400 2000
+$Comp
+L power:PWR_FLAG #FLG?
+U 1 1 5F878854
+P 2000 1250
+F 0 "#FLG?" H 2000 1325 50  0001 C CNN
+F 1 "PWR_FLAG" H 2000 1423 50  0000 C CNN
+F 2 "" H 2000 1250 50  0001 C CNN
+F 3 "~" H 2000 1250 50  0001 C CNN
+	1    2000 1250
+	1    0    0    -1  
+$EndComp
+$Comp
+L MCU_ST_STM32F0:STM32F072CBTx U?
+U 1 1 5F878F8D
+P 5500 3000
+F 0 "U?" H 5450 1411 50  0000 C CNN
+F 1 "STM32F072CBTx" H 5450 1320 50  0000 C CNN
+F 2 "Package_QFP:LQFP-48_7x7mm_P0.5mm" H 4900 1600 50  0001 R CNN
+F 3 "http://www.st.com/st-web-ui/static/active/en/resource/technical/document/datasheet/DM00090510.pdf" H 5500 3000 50  0001 C CNN
+	1    5500 3000
+	1    0    0    -1  
+$EndComp
+$Comp
+L power:GND #PWR?
+U 1 1 5F885927
+P 5050 4600
+F 0 "#PWR?" H 5050 4350 50  0001 C CNN
+F 1 "GND" H 5055 4427 50  0000 C CNN
+F 2 "" H 5050 4600 50  0001 C CNN
+F 3 "" H 5050 4600 50  0001 C CNN
+	1    5050 4600
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	5050 4600 5050 4550
+Wire Wire Line
+	5050 4550 5300 4550
+Wire Wire Line
+	5600 4550 5600 4500
+Wire Wire Line
+	5500 4500 5500 4550
+Connection ~ 5500 4550
+Wire Wire Line
+	5500 4550 5600 4550
+Wire Wire Line
+	5400 4500 5400 4550
+Connection ~ 5400 4550
+Wire Wire Line
+	5400 4550 5500 4550
+Wire Wire Line
+	5300 4500 5300 4550
+Connection ~ 5300 4550
+Wire Wire Line
+	5300 4550 5400 4550
+$Comp
+L power:+3V3 #PWR?
+U 1 1 5F88771B
+P 5300 1400
+F 0 "#PWR?" H 5300 1250 50  0001 C CNN
+F 1 "+3V3" H 5315 1573 50  0000 C CNN
+F 2 "" H 5300 1400 50  0001 C CNN
+F 3 "" H 5300 1400 50  0001 C CNN
+	1    5300 1400
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	5300 1400 5300 1450
+Wire Wire Line
+	5300 1450 5400 1450
+Wire Wire Line
+	5700 1450 5700 1500
+Wire Wire Line
+	5300 1450 5300 1500
+Connection ~ 5300 1450
+Wire Wire Line
+	5400 1450 5400 1500
+Connection ~ 5400 1450
+Wire Wire Line
+	5400 1450 5500 1450
+Wire Wire Line
+	5500 1450 5500 1500
+Connection ~ 5500 1450
+Wire Wire Line
+	5500 1450 5600 1450
+Wire Wire Line
+	5600 1450 5600 1500
+Connection ~ 5600 1450
+Wire Wire Line
+	5600 1450 5700 1450
+$Comp
+L Device:C_Small C?
+U 1 1 5F891F39
+P 10500 1100
+F 0 "C?" H 10592 1146 50  0000 L CNN
+F 1 "100n" H 10592 1055 50  0000 L CNN
+F 2 "" H 10500 1100 50  0001 C CNN
+F 3 "~" H 10500 1100 50  0001 C CNN
+	1    10500 1100
+	1    0    0    -1  
+$EndComp
+$Comp
+L Device:C_Small C?
+U 1 1 5F892CC5
+P 10150 1100
+F 0 "C?" H 10242 1146 50  0000 L CNN
+F 1 "100n" H 10242 1055 50  0000 L CNN
+F 2 "" H 10150 1100 50  0001 C CNN
+F 3 "~" H 10150 1100 50  0001 C CNN
+	1    10150 1100
+	1    0    0    -1  
+$EndComp
+$Comp
+L Device:C_Small C?
+U 1 1 5F893113
+P 9800 1100
+F 0 "C?" H 9892 1146 50  0000 L CNN
+F 1 "100n" H 9892 1055 50  0000 L CNN
+F 2 "" H 9800 1100 50  0001 C CNN
+F 3 "~" H 9800 1100 50  0001 C CNN
+	1    9800 1100
+	1    0    0    -1  
+$EndComp
+$Comp
+L Device:C_Small C?
+U 1 1 5F89352A
+P 9450 1100
+F 0 "C?" H 9542 1146 50  0000 L CNN
+F 1 "100n" H 9542 1055 50  0000 L CNN
+F 2 "" H 9450 1100 50  0001 C CNN
+F 3 "~" H 9450 1100 50  0001 C CNN
+	1    9450 1100
+	1    0    0    -1  
+$EndComp
+$Comp
+L power:+3V3 #PWR?
+U 1 1 5F893B24
+P 10500 900
+F 0 "#PWR?" H 10500 750 50  0001 C CNN
+F 1 "+3V3" H 10515 1073 50  0000 C CNN
+F 2 "" H 10500 900 50  0001 C CNN
+F 3 "" H 10500 900 50  0001 C CNN
+	1    10500 900 
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	10500 900  10500 950 
+Wire Wire Line
+	10150 1000 10150 950 
+Wire Wire Line
+	10150 950  10500 950 
+Connection ~ 10500 950 
+Wire Wire Line
+	10500 950  10500 1000
+Wire Wire Line
+	9800 1000 9800 950 
+Wire Wire Line
+	9800 950  10150 950 
+Connection ~ 10150 950 
+Wire Wire Line
+	9450 1000 9450 950 
+Wire Wire Line
+	9450 950  9800 950 
+Connection ~ 9800 950 
+$Comp
+L power:GND #PWR?
+U 1 1 5F895DED
+P 10500 1300
+F 0 "#PWR?" H 10500 1050 50  0001 C CNN
+F 1 "GND" H 10505 1127 50  0000 C CNN
+F 2 "" H 10500 1300 50  0001 C CNN
+F 3 "" H 10500 1300 50  0001 C CNN
+	1    10500 1300
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	10500 1200 10500 1250
+Wire Wire Line
+	10150 1200 10150 1250
+Wire Wire Line
+	10150 1250 10500 1250
+Connection ~ 10500 1250
+Wire Wire Line
+	10500 1250 10500 1300
+Wire Wire Line
+	9800 1200 9800 1250
+Wire Wire Line
+	9800 1250 10150 1250
+Connection ~ 10150 1250
+Wire Wire Line
+	9450 1200 9450 1250
+Wire Wire Line
+	9450 1250 9800 1250
+Connection ~ 9800 1250
+$Comp
+L Device:C_Small C?
+U 1 1 5F8978DB
+P 9100 1100
+F 0 "C?" H 9192 1146 50  0000 L CNN
+F 1 "4.7u" H 9192 1055 50  0000 L CNN
+F 2 "" H 9100 1100 50  0001 C CNN
+F 3 "~" H 9100 1100 50  0001 C CNN
+	1    9100 1100
+	1    0    0    -1  
+$EndComp
+$Comp
+L Device:C_Small C?
+U 1 1 5F89851C
+P 8750 1100
+F 0 "C?" H 8842 1146 50  0000 L CNN
+F 1 "4.7u" H 8842 1055 50  0000 L CNN
+F 2 "" H 8750 1100 50  0001 C CNN
+F 3 "~" H 8750 1100 50  0001 C CNN
+	1    8750 1100
+	1    0    0    -1  
+$EndComp
+$Comp
+L Device:C_Small C?
+U 1 1 5F8989CC
+P 8400 1100
+F 0 "C?" H 8492 1146 50  0000 L CNN
+F 1 "10n" H 8492 1055 50  0000 L CNN
+F 2 "" H 8400 1100 50  0001 C CNN
+F 3 "~" H 8400 1100 50  0001 C CNN
+	1    8400 1100
+	1    0    0    -1  
+$EndComp
+$Comp
+L Device:C_Small C?
+U 1 1 5F898D1B
+P 8100 1100
+F 0 "C?" H 8192 1146 50  0000 L CNN
+F 1 "1u" H 8192 1055 50  0000 L CNN
+F 2 "" H 8100 1100 50  0001 C CNN
+F 3 "~" H 8100 1100 50  0001 C CNN
+	1    8100 1100
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	8100 1000 8100 950 
+Wire Wire Line
+	8100 950  8400 950 
+Connection ~ 9450 950 
+Wire Wire Line
+	8100 1200 8100 1250
+Wire Wire Line
+	8100 1250 8400 1250
+Connection ~ 9450 1250
+Wire Wire Line
+	8400 1000 8400 950 
+Connection ~ 8400 950 
+Wire Wire Line
+	8400 950  8750 950 
+Wire Wire Line
+	8400 1200 8400 1250
+Connection ~ 8400 1250
+Wire Wire Line
+	8400 1250 8750 1250
+Wire Wire Line
+	8750 1000 8750 950 
+Connection ~ 8750 950 
+Wire Wire Line
+	8750 950  9100 950 
+Wire Wire Line
+	8750 1200 8750 1250
+Connection ~ 8750 1250
+Wire Wire Line
+	8750 1250 9100 1250
+Wire Wire Line
+	9100 1000 9100 950 
+Connection ~ 9100 950 
+Wire Wire Line
+	9100 950  9450 950 
+Wire Wire Line
+	9100 1200 9100 1250
+Connection ~ 9100 1250
+Wire Wire Line
+	9100 1250 9450 1250
+Text Label 2000 1600 2    50   ~ 0
+D-
+Text Label 2000 1500 2    50   ~ 0
+D+
+Text Label 6350 3900 2    50   ~ 0
+D-
+Text Label 6350 4000 2    50   ~ 0
+D+
+Wire Wire Line
+	6100 3900 6350 3900
+Wire Wire Line
+	6100 4000 6350 4000
+$Comp
+L power:+3V3 #PWR?
+U 1 1 5F8BF530
+P 2300 1250
+F 0 "#PWR?" H 2300 1100 50  0001 C CNN
+F 1 "+3V3" H 2315 1423 50  0000 C CNN
+F 2 "" H 2300 1250 50  0001 C CNN
+F 3 "" H 2300 1250 50  0001 C CNN
+	1    2300 1250
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	1800 1300 2000 1300
+Wire Wire Line
+	2300 1300 2300 1250
+Wire Wire Line
+	2000 1250 2000 1300
+Connection ~ 2000 1300
+Wire Wire Line
+	2000 1300 2300 1300
+Wire Wire Line
+	1800 1500 2000 1500
+Wire Wire Line
+	1800 1600 2000 1600
+$Comp
+L power:PWR_FLAG #FLG?
+U 1 1 5F8EC2DD
+P 2000 1900
+F 0 "#FLG?" H 2000 1975 50  0001 C CNN
+F 1 "PWR_FLAG" H 2000 2073 50  0000 C CNN
+F 2 "" H 2000 1900 50  0001 C CNN
+F 3 "~" H 2000 1900 50  0001 C CNN
+	1    2000 1900
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	1750 2000 1750 1950
+Wire Wire Line
+	1500 1900 1500 1950
+Wire Wire Line
+	1500 1950 1750 1950
+Wire Wire Line
+	2000 1900 2000 1950
+Wire Wire Line
+	2000 1950 1750 1950
+Connection ~ 1750 1950
+$Comp
+L power:GND #PWR?
+U 1 1 5F8FB997
+P 1400 2000
+F 0 "#PWR?" H 1400 1750 50  0001 C CNN
+F 1 "GND" H 1405 1827 50  0000 C CNN
+F 2 "" H 1400 2000 50  0001 C CNN
+F 3 "" H 1400 2000 50  0001 C CNN
+	1    1400 2000
+	1    0    0    -1  
+$EndComp
+$Comp
+L Device:R_Small R?
+U 1 1 5F905B31
+P 4450 2050
+F 0 "R?" H 4509 2096 50  0000 L CNN
+F 1 "10k" H 4509 2005 50  0000 L CNN
+F 2 "" H 4450 2050 50  0001 C CNN
+F 3 "~" H 4450 2050 50  0001 C CNN
+	1    4450 2050
+	1    0    0    -1  
+$EndComp
+$Comp
+L power:GND #PWR?
+U 1 1 5F9081DB
+P 4450 2200
+F 0 "#PWR?" H 4450 1950 50  0001 C CNN
+F 1 "GND" H 4455 2027 50  0000 C CNN
+F 2 "" H 4450 2200 50  0001 C CNN
+F 3 "" H 4450 2200 50  0001 C CNN
+	1    4450 2200
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	4450 1900 4800 1900
+Wire Wire Line
+	4450 2200 4450 2150
+NoConn ~ 4800 1700
+NoConn ~ 4800 2100
+NoConn ~ 4800 2200
+NoConn ~ 4800 2400
+NoConn ~ 4800 2500
+NoConn ~ 4800 2600
+$Comp
+L Switch:SW_Push SW?
+U 1 1 5F925207
+P 4450 1650
+F 0 "SW?" V 4496 1602 50  0000 R CNN
+F 1 "MX" V 4405 1602 50  0000 R CNN
+F 2 "" H 4450 1850 50  0001 C CNN
+F 3 "~" H 4450 1850 50  0001 C CNN
+	1    4450 1650
+	0    -1   -1   0   
+$EndComp
+$Comp
+L power:+3V3 #PWR?
+U 1 1 5F92756B
+P 4450 1400
+F 0 "#PWR?" H 4450 1250 50  0001 C CNN
+F 1 "+3V3" H 4465 1573 50  0000 C CNN
+F 2 "" H 4450 1400 50  0001 C CNN
+F 3 "" H 4450 1400 50  0001 C CNN
+	1    4450 1400
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	4450 1400 4450 1450
+Wire Wire Line
+	4450 1850 4450 1900
+Connection ~ 4450 1900
+Wire Wire Line
+	4450 1900 4450 1950
 $EndSCHEMATC