diff --git a/twoface/twoface-cache.lib b/twoface/twoface-cache.lib
index 62266ac6e223c69d99add5259ec452eb3923dd08..53263bd3c3e7f3af4cd7eb99bd7b1d40ad492c86 100644
--- a/twoface/twoface-cache.lib
+++ b/twoface/twoface-cache.lib
@@ -38,26 +38,6 @@ X AD 9 -500 600 100 R 50 50 1 1 I
 ENDDRAW
 ENDDEF
 #
-# Connector_Conn_01x02_Male
-#
-DEF Connector_Conn_01x02_Male J 0 40 Y N 1 F N
-F0 "J" 0 100 50 H V C CNN
-F1 "Connector_Conn_01x02_Male" 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 34 -95 0 -105 1 1 6 F
-S 34 5 0 -5 1 1 6 F
-P 2 1 1 6 50 -100 34 -100 N
-P 2 1 1 6 50 0 34 0 N
-X Pin_1 1 200 0 150 L 50 50 1 1 P
-X Pin_2 2 200 -100 150 L 50 50 1 1 P
-ENDDRAW
-ENDDEF
-#
 # Connector_Generic_Conn_01x01
 #
 DEF Connector_Generic_Conn_01x01 J 0 40 Y N 1 F N
@@ -93,26 +73,6 @@ X ~ 2 0 -150 110 U 50 50 1 1 P
 ENDDRAW
 ENDDEF
 #
-# Device_CP1
-#
-DEF Device_CP1 C 0 10 N N 1 F N
-F0 "C" 25 100 50 H V L CNN
-F1 "Device_CP1" 25 -100 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
-A 0 -150 128 1287 513 0 1 20 N -80 -50 80 -50
-P 2 0 1 20 -80 30 80 30 N
-P 2 0 1 0 -70 90 -30 90 N
-P 2 0 1 0 -50 70 -50 110 N
-X ~ 1 0 150 110 D 50 50 1 1 P
-X ~ 2 0 -150 130 U 50 50 1 1 P
-ENDDRAW
-ENDDEF
-#
 # Device_Crystal
 #
 DEF Device_Crystal Y 0 40 N N 1 F N
@@ -134,6 +94,29 @@ X 2 2 150 0 50 L 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 10 -50 -50 -50 50 N
+P 2 0 1 0 -50 0 50 0 N
+P 4 0 1 10 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_R
 #
 DEF Device_R R 0 0 N Y 1 F N
@@ -215,28 +198,6 @@ X P0.07 9 900 800 100 L 50 50 1 1 B
 ENDDRAW
 ENDDEF
 #
-# Regulator_Linear_LM1117-3.3
-#
-DEF Regulator_Linear_LM1117-3.3 U 0 10 Y Y 1 F N
-F0 "U" -150 125 50 H V C CNN
-F1 "Regulator_Linear_LM1117-3.3" 0 125 50 H V L CNN
-F2 "" 0 0 50 H I C CNN
-F3 "" 0 0 50 H I C CNN
-ALIAS LM1117-2.5 LM1117-3.3 LM1117-5.0 TLV1117-15 TLV1117-18 TLV1117-25 TLV1117-33 TLV1117-50
-$FPLIST
- SOT?223*
- TO?263*
- TO?252*
- TO?220*
-$ENDFPLIST
-DRAW
-S -200 -200 200 75 0 1 10 f
-X GND 1 0 -300 100 U 50 50 1 1 W
-X VO 2 300 0 100 L 50 50 1 1 w
-X VI 3 -300 0 100 R 50 50 1 1 W
-ENDDRAW
-ENDDEF
-#
 # connectors_tag-connect-swd
 #
 DEF connectors_tag-connect-swd J 0 100 Y Y 1 F N
diff --git a/twoface/twoface.sch b/twoface/twoface.sch
index d2d9ea03959be06c254986b80a0f34da9e0487b1..3e0db4adc085ad559817eff445c924b4e3a54fbd 100644
--- a/twoface/twoface.sch
+++ b/twoface/twoface.sch
@@ -14,84 +14,6 @@ Comment3 ""
 Comment4 ""
 $EndDescr
 $Comp
-L Connector:Conn_01x02_Male J?
-U 1 1 5F070CD3
-P 650 950
-F 0 "J?" H 758 1131 50  0000 C CNN
-F 1 "Conn_01x02_Male" H 758 1040 50  0000 C CNN
-F 2 "" H 650 950 50  0001 C CNN
-F 3 "~" H 650 950 50  0001 C CNN
-	1    650  950 
-	1    0    0    -1  
-$EndComp
-$Comp
-L Regulator_Linear:LM1117-3.3 U?
-U 1 1 5F073C0F
-P 2000 950
-F 0 "U?" H 2000 1192 50  0000 C CNN
-F 1 "LM1117-3.3" H 2000 1101 50  0000 C CNN
-F 2 "" H 2000 950 50  0001 C CNN
-F 3 "http://www.ti.com/lit/ds/symlink/lm1117.pdf" H 2000 950 50  0001 C CNN
-	1    2000 950 
-	1    0    0    -1  
-$EndComp
-Wire Wire Line
-	850  1050 1000 1050
-Connection ~ 1500 950 
-Wire Wire Line
-	1500 1050 1500 950 
-$Comp
-L Device:CP1 C?
-U 1 1 5F07B006
-P 1500 1200
-F 0 "C?" H 1615 1246 50  0000 L CNN
-F 1 "CP1" H 1615 1155 50  0000 L CNN
-F 2 "" H 1500 1200 50  0001 C CNN
-F 3 "~" H 1500 1200 50  0001 C CNN
-	1    1500 1200
-	1    0    0    -1  
-$EndComp
-Wire Wire Line
-	850  950  1500 950 
-Wire Wire Line
-	2500 1050 2500 950 
-$Comp
-L Device:CP1 C?
-U 1 1 5F08D627
-P 2500 1200
-F 0 "C?" H 2615 1246 50  0000 L CNN
-F 1 "CP1" H 2615 1155 50  0000 L CNN
-F 2 "" H 2500 1200 50  0001 C CNN
-F 3 "~" H 2500 1200 50  0001 C CNN
-	1    2500 1200
-	1    0    0    -1  
-$EndComp
-$Comp
-L Device:C C?
-U 1 1 5F08F5C0
-P 3000 1200
-F 0 "C?" H 2885 1154 50  0000 R CNN
-F 1 "12pF" H 2885 1245 50  0000 R CNN
-F 2 "" H 3038 1050 50  0001 C CNN
-F 3 "~" H 3000 1200 50  0001 C CNN
-	1    3000 1200
-	-1   0    0    1   
-$EndComp
-Wire Wire Line
-	3000 1050 3000 950 
-Connection ~ 3000 950 
-$Comp
-L power:GND #PWR?
-U 1 1 5F093416
-P 3500 1600
-F 0 "#PWR?" H 3500 1350 50  0001 C CNN
-F 1 "GND" H 3505 1427 50  0000 C CNN
-F 2 "" H 3500 1600 50  0001 C CNN
-F 3 "" H 3500 1600 50  0001 C CNN
-	1    3500 1600
-	1    0    0    -1  
-$EndComp
-$Comp
 L Device:Crystal Y?
 U 1 1 5F097A22
 P 2000 4800
@@ -184,17 +106,6 @@ $EndComp
 Wire Wire Line
 	3200 5400 2750 5400
 Connection ~ 1000 5000
-$Comp
-L power:+3.3V #PWR?
-U 1 1 5F0DAADC
-P 3500 850
-F 0 "#PWR?" H 3500 700 50  0001 C CNN
-F 1 "+3.3V" H 3515 1023 50  0000 C CNN
-F 2 "" H 3500 850 50  0001 C CNN
-F 3 "" H 3500 850 50  0001 C CNN
-	1    3500 850 
-	1    0    0    -1  
-$EndComp
 Wire Wire Line
 	2750 5500 3200 5500
 Wire Wire Line
@@ -205,26 +116,6 @@ Text Label 2800 5500 0    50   ~ 0
 SWDCLK
 Text Label 2800 5400 0    50   ~ 0
 ~RESET
-Wire Wire Line
-	1000 1500 1500 1500
-Wire Wire Line
-	3500 1500 3500 1600
-Wire Wire Line
-	3500 850  3500 950 
-Wire Wire Line
-	3000 1350 3000 1500
-Connection ~ 3000 1500
-Wire Wire Line
-	2500 1350 2500 1500
-Connection ~ 2500 1500
-Wire Wire Line
-	2000 1250 2000 1500
-Connection ~ 2000 1500
-Wire Wire Line
-	1500 1350 1500 1500
-Connection ~ 1500 1500
-Wire Wire Line
-	1000 1050 1000 1500
 NoConn ~ 5000 3300
 NoConn ~ 5000 3400
 Text Label 5100 5100 0    50   ~ 0
@@ -265,23 +156,6 @@ F 3 "" H 1000 3600 50  0001 C CNN
 $EndComp
 Wire Wire Line
 	3900 2700 3900 3100
-Wire Wire Line
-	1500 950  1700 950 
-Wire Wire Line
-	1500 1500 2000 1500
-Wire Wire Line
-	3000 950  3500 950 
-Wire Wire Line
-	3000 1500 3500 1500
-Wire Wire Line
-	2500 1500 3000 1500
-Wire Wire Line
-	2300 950  2500 950 
-Wire Wire Line
-	2000 1500 2500 1500
-Connection ~ 2500 950 
-Wire Wire Line
-	2500 950  3000 950 
 Connection ~ 1000 3500
 Wire Wire Line
 	1000 3400 1000 3500
@@ -592,63 +466,55 @@ Wire Wire Line
 $Comp
 L Device:C C?
 U 1 1 5F4D5C9B
-P 9600 4900
-F 0 "C?" H 9485 4854 50  0000 R CNN
-F 1 "10u" H 9485 4945 50  0000 R CNN
-F 2 "" H 9638 4750 50  0001 C CNN
-F 3 "~" H 9600 4900 50  0001 C CNN
-	1    9600 4900
+P 9900 4900
+F 0 "C?" H 9785 4854 50  0000 R CNN
+F 1 "10u" H 9785 4945 50  0000 R CNN
+F 2 "" H 9938 4750 50  0001 C CNN
+F 3 "~" H 9900 4900 50  0001 C CNN
+	1    9900 4900
 	-1   0    0    1   
 $EndComp
 $Comp
 L Device:C C?
 U 1 1 5F4D611A
-P 10000 4900
-F 0 "C?" H 9885 4854 50  0000 R CNN
-F 1 "10u" H 9885 4945 50  0000 R CNN
-F 2 "" H 10038 4750 50  0001 C CNN
-F 3 "~" H 10000 4900 50  0001 C CNN
-	1    10000 4900
+P 10300 4900
+F 0 "C?" H 10185 4854 50  0000 R CNN
+F 1 "10u" H 10185 4945 50  0000 R CNN
+F 2 "" H 10338 4750 50  0001 C CNN
+F 3 "~" H 10300 4900 50  0001 C CNN
+	1    10300 4900
 	-1   0    0    1   
 $EndComp
 $Comp
 L power:GND #PWR?
 U 1 1 5F4D6F1F
-P 9600 5050
-F 0 "#PWR?" H 9600 4800 50  0001 C CNN
-F 1 "GND" V 9605 4922 50  0001 R CNN
-F 2 "" H 9600 5050 50  0001 C CNN
-F 3 "" H 9600 5050 50  0001 C CNN
-	1    9600 5050
+P 9900 5050
+F 0 "#PWR?" H 9900 4800 50  0001 C CNN
+F 1 "GND" V 9905 4922 50  0001 R CNN
+F 2 "" H 9900 5050 50  0001 C CNN
+F 3 "" H 9900 5050 50  0001 C CNN
+	1    9900 5050
 	1    0    0    -1  
 $EndComp
 $Comp
 L power:GND #PWR?
 U 1 1 5F4D73F3
-P 10000 5050
-F 0 "#PWR?" H 10000 4800 50  0001 C CNN
-F 1 "GND" V 10005 4922 50  0001 R CNN
-F 2 "" H 10000 5050 50  0001 C CNN
-F 3 "" H 10000 5050 50  0001 C CNN
-	1    10000 5050
+P 10300 5050
+F 0 "#PWR?" H 10300 4800 50  0001 C CNN
+F 1 "GND" V 10305 4922 50  0001 R CNN
+F 2 "" H 10300 5050 50  0001 C CNN
+F 3 "" H 10300 5050 50  0001 C CNN
+	1    10300 5050
 	1    0    0    -1  
 $EndComp
-Connection ~ 9600 4750
+Connection ~ 9900 4750
 Wire Wire Line
-	9600 4750 10000 4750
-Connection ~ 10000 4750
+	9900 4750 10300 4750
+Connection ~ 10300 4750
 Wire Wire Line
-	10000 4750 10400 4750
+	10300 4750 10600 4750
 Text GLabel 10700 4750 2    50   Input ~ 0
 VBAT
-Text GLabel 10700 4600 2    50   Input ~ 0
-~CHARGING
-Wire Wire Line
-	8950 4850 9100 4850
-Wire Wire Line
-	9100 4850 9100 4600
-Wire Wire Line
-	9100 4600 10700 4600
 $Comp
 L connectors:tag-connect-swd J?
 U 1 1 5F5045C0
@@ -663,41 +529,37 @@ $EndComp
 $Comp
 L Connector_Generic:Conn_01x01 J?
 U 1 1 5F530DF3
-P 10400 5100
-F 0 "J?" V 10272 5180 50  0000 L CNN
-F 1 "+" V 10363 5180 50  0000 L CNN
-F 2 "" H 10400 5100 50  0001 C CNN
-F 3 "~" H 10400 5100 50  0001 C CNN
-	1    10400 5100
-	0    1    1    0   
+P 10800 5100
+F 0 "J?" H 10800 5200 50  0000 L CNN
+F 1 "+" H 10900 5150 50  0000 L CNN
+F 2 "" H 10800 5100 50  0001 C CNN
+F 3 "~" H 10800 5100 50  0001 C CNN
+	1    10800 5100
+	1    0    0    -1  
 $EndComp
 $Comp
 L Connector_Generic:Conn_01x01 J?
 U 1 1 5F5313CB
-P 10400 5300
-F 0 "J?" V 10364 5212 50  0000 R CNN
-F 1 "-" V 10273 5212 50  0000 R CNN
-F 2 "" H 10400 5300 50  0001 C CNN
-F 3 "~" H 10400 5300 50  0001 C CNN
-	1    10400 5300
-	0    -1   -1   0   
+P 10800 5350
+F 0 "J?" H 10900 5250 50  0000 R CNN
+F 1 "-" H 10950 5400 50  0000 R CNN
+F 2 "" H 10800 5350 50  0001 C CNN
+F 3 "~" H 10800 5350 50  0001 C CNN
+	1    10800 5350
+	1    0    0    -1  
 $EndComp
+Connection ~ 10600 4750
 Wire Wire Line
-	8950 4750 9600 4750
-Wire Wire Line
-	10400 4900 10400 4750
-Connection ~ 10400 4750
-Wire Wire Line
-	10400 4750 10700 4750
+	10600 4750 10700 4750
 $Comp
 L power:GND #PWR?
 U 1 1 5F548B6C
-P 10400 5550
-F 0 "#PWR?" H 10400 5300 50  0001 C CNN
-F 1 "GND" V 10405 5422 50  0001 R CNN
-F 2 "" H 10400 5550 50  0001 C CNN
-F 3 "" H 10400 5550 50  0001 C CNN
-	1    10400 5550
+P 10600 5550
+F 0 "#PWR?" H 10600 5300 50  0001 C CNN
+F 1 "GND" V 10605 5422 50  0001 R CNN
+F 2 "" H 10600 5550 50  0001 C CNN
+F 3 "" H 10600 5550 50  0001 C CNN
+	1    10600 5550
 	1    0    0    -1  
 $EndComp
 $Comp
@@ -869,7 +731,7 @@ Connection ~ 6400 5250
 Wire Wire Line
 	6400 5250 6400 5450
 Wire Wire Line
-	6350 5450 6500 5450
+	6350 5450 6400 5450
 Wire Wire Line
 	6800 5450 6950 5450
 Wire Wire Line
@@ -1058,21 +920,20 @@ Connection ~ 6950 5450
 Wire Wire Line
 	6950 5450 7100 5450
 Wire Wire Line
-	10400 5500 10450 5500
-Connection ~ 10400 5500
+	10600 5500 10650 5500
 $Comp
 L power:PWR_FLAG #FLG?
 U 1 1 5F1B4702
-P 10450 5500
-F 0 "#FLG?" H 10450 5575 50  0001 C CNN
-F 1 "PWR_FLAG" V 10450 5628 50  0001 L CNN
-F 2 "" H 10450 5500 50  0001 C CNN
-F 3 "~" H 10450 5500 50  0001 C CNN
-	1    10450 5500
+P 10650 5500
+F 0 "#FLG?" H 10650 5575 50  0001 C CNN
+F 1 "PWR_FLAG" V 10650 5628 50  0001 L CNN
+F 2 "" H 10650 5500 50  0001 C CNN
+F 3 "~" H 10650 5500 50  0001 C CNN
+	1    10650 5500
 	0    1    1    0   
 $EndComp
 Wire Wire Line
-	10400 5550 10400 5500
+	10600 5550 10600 5500
 Wire Wire Line
 	9800 3500 9900 3500
 Wire Wire Line
@@ -1274,4 +1135,45 @@ Wire Wire Line
 Connection ~ 6350 1250
 Wire Wire Line
 	5900 1050 6100 1050
+$Comp
+L Device:LED D?
+U 1 1 5F1069F4
+P 9550 4850
+F 0 "D?" H 9550 4650 50  0000 C CNN
+F 1 "LED" H 9550 4750 50  0000 C CNN
+F 2 "" H 9550 4850 50  0001 C CNN
+F 3 "~" H 9550 4850 50  0001 C CNN
+	1    9550 4850
+	1    0    0    -1  
+$EndComp
+$Comp
+L Device:R R?
+U 1 1 5F14695D
+P 9200 4850
+F 0 "R?" V 9300 4850 50  0000 C CNN
+F 1 "1k" V 9200 4850 50  0000 C CNN
+F 2 "" V 9130 4850 50  0001 C CNN
+F 3 "~" H 9200 4850 50  0001 C CNN
+	1    9200 4850
+	0    1    1    0   
+$EndComp
+Wire Wire Line
+	9050 4850 8950 4850
+Wire Wire Line
+	9400 4850 9350 4850
+Wire Wire Line
+	10600 4750 10600 5100
+Wire Wire Line
+	10600 5350 10600 5500
+Connection ~ 10600 5500
+Wire Wire Line
+	8950 4750 9700 4750
+Wire Wire Line
+	9700 4850 9700 4750
+Connection ~ 9700 4750
+Wire Wire Line
+	9700 4750 9900 4750
+Connection ~ 6400 5450
+Wire Wire Line
+	6400 5450 6500 5450
 $EndSCHEMATC
diff --git a/twoface/twoface.sch-bak b/twoface/twoface.sch-bak
index 566733826c840b64b87f3987aa0fb7230a28e192..50f36cebf31fc2e16d755fcccca57be4f2146efe 100644
--- a/twoface/twoface.sch-bak
+++ b/twoface/twoface.sch-bak
@@ -14,84 +14,6 @@ Comment3 ""
 Comment4 ""
 $EndDescr
 $Comp
-L Connector:Conn_01x02_Male J?
-U 1 1 5F070CD3
-P 650 950
-F 0 "J?" H 758 1131 50  0000 C CNN
-F 1 "Conn_01x02_Male" H 758 1040 50  0000 C CNN
-F 2 "" H 650 950 50  0001 C CNN
-F 3 "~" H 650 950 50  0001 C CNN
-	1    650  950 
-	1    0    0    -1  
-$EndComp
-$Comp
-L Regulator_Linear:LM1117-3.3 U?
-U 1 1 5F073C0F
-P 2000 950
-F 0 "U?" H 2000 1192 50  0000 C CNN
-F 1 "LM1117-3.3" H 2000 1101 50  0000 C CNN
-F 2 "" H 2000 950 50  0001 C CNN
-F 3 "http://www.ti.com/lit/ds/symlink/lm1117.pdf" H 2000 950 50  0001 C CNN
-	1    2000 950 
-	1    0    0    -1  
-$EndComp
-Wire Wire Line
-	850  1050 1000 1050
-Connection ~ 1500 950 
-Wire Wire Line
-	1500 1050 1500 950 
-$Comp
-L Device:CP1 C?
-U 1 1 5F07B006
-P 1500 1200
-F 0 "C?" H 1615 1246 50  0000 L CNN
-F 1 "CP1" H 1615 1155 50  0000 L CNN
-F 2 "" H 1500 1200 50  0001 C CNN
-F 3 "~" H 1500 1200 50  0001 C CNN
-	1    1500 1200
-	1    0    0    -1  
-$EndComp
-Wire Wire Line
-	850  950  1500 950 
-Wire Wire Line
-	2500 1050 2500 950 
-$Comp
-L Device:CP1 C?
-U 1 1 5F08D627
-P 2500 1200
-F 0 "C?" H 2615 1246 50  0000 L CNN
-F 1 "CP1" H 2615 1155 50  0000 L CNN
-F 2 "" H 2500 1200 50  0001 C CNN
-F 3 "~" H 2500 1200 50  0001 C CNN
-	1    2500 1200
-	1    0    0    -1  
-$EndComp
-$Comp
-L Device:C C?
-U 1 1 5F08F5C0
-P 3000 1200
-F 0 "C?" H 2885 1154 50  0000 R CNN
-F 1 "12pF" H 2885 1245 50  0000 R CNN
-F 2 "" H 3038 1050 50  0001 C CNN
-F 3 "~" H 3000 1200 50  0001 C CNN
-	1    3000 1200
-	-1   0    0    1   
-$EndComp
-Wire Wire Line
-	3000 1050 3000 950 
-Connection ~ 3000 950 
-$Comp
-L power:GND #PWR?
-U 1 1 5F093416
-P 3500 1600
-F 0 "#PWR?" H 3500 1350 50  0001 C CNN
-F 1 "GND" H 3505 1427 50  0000 C CNN
-F 2 "" H 3500 1600 50  0001 C CNN
-F 3 "" H 3500 1600 50  0001 C CNN
-	1    3500 1600
-	1    0    0    -1  
-$EndComp
-$Comp
 L Device:Crystal Y?
 U 1 1 5F097A22
 P 2000 4800
@@ -184,17 +106,6 @@ $EndComp
 Wire Wire Line
 	3200 5400 2750 5400
 Connection ~ 1000 5000
-$Comp
-L power:+3.3V #PWR?
-U 1 1 5F0DAADC
-P 3500 850
-F 0 "#PWR?" H 3500 700 50  0001 C CNN
-F 1 "+3.3V" H 3515 1023 50  0000 C CNN
-F 2 "" H 3500 850 50  0001 C CNN
-F 3 "" H 3500 850 50  0001 C CNN
-	1    3500 850 
-	1    0    0    -1  
-$EndComp
 Wire Wire Line
 	2750 5500 3200 5500
 Wire Wire Line
@@ -205,26 +116,6 @@ Text Label 2800 5500 0    50   ~ 0
 SWDCLK
 Text Label 2800 5400 0    50   ~ 0
 ~RESET
-Wire Wire Line
-	1000 1500 1500 1500
-Wire Wire Line
-	3500 1500 3500 1600
-Wire Wire Line
-	3500 850  3500 950 
-Wire Wire Line
-	3000 1350 3000 1500
-Connection ~ 3000 1500
-Wire Wire Line
-	2500 1350 2500 1500
-Connection ~ 2500 1500
-Wire Wire Line
-	2000 1250 2000 1500
-Connection ~ 2000 1500
-Wire Wire Line
-	1500 1350 1500 1500
-Connection ~ 1500 1500
-Wire Wire Line
-	1000 1050 1000 1500
 NoConn ~ 5000 3300
 NoConn ~ 5000 3400
 Text Label 5100 5100 0    50   ~ 0
@@ -265,23 +156,6 @@ F 3 "" H 1000 3600 50  0001 C CNN
 $EndComp
 Wire Wire Line
 	3900 2700 3900 3100
-Wire Wire Line
-	1500 950  1700 950 
-Wire Wire Line
-	1500 1500 2000 1500
-Wire Wire Line
-	3000 950  3500 950 
-Wire Wire Line
-	3000 1500 3500 1500
-Wire Wire Line
-	2500 1500 3000 1500
-Wire Wire Line
-	2300 950  2500 950 
-Wire Wire Line
-	2000 1500 2500 1500
-Connection ~ 2500 950 
-Wire Wire Line
-	2500 950  3000 950 
 Connection ~ 1000 3500
 Wire Wire Line
 	1000 3400 1000 3500
@@ -1210,5 +1084,68 @@ F 3 "" H 7300 1350 50  0001 C CNN
 	1    0    0    -1  
 $EndComp
 Wire Wire Line
-	6350 1050 6000 1050
+	6350 1050 6100 1050
+$Comp
+L power:GND #PWR?
+U 1 1 5F0935F5
+P 4100 6500
+F 0 "#PWR?" H 4100 6250 50  0001 C CNN
+F 1 "GND" H 4105 6327 50  0001 C CNN
+F 2 "" H 4100 6500 50  0001 C CNN
+F 3 "" H 4100 6500 50  0001 C CNN
+	1    4100 6500
+	1    0    0    -1  
+$EndComp
+$Comp
+L power:+3.3V #PWR?
+U 1 1 5F095E85
+P 5900 1050
+F 0 "#PWR?" H 5900 900 50  0001 C CNN
+F 1 "+3.3V" V 5915 1178 50  0000 L CNN
+F 2 "" H 5900 1050 50  0001 C CNN
+F 3 "" H 5900 1050 50  0001 C CNN
+	1    5900 1050
+	0    -1   -1   0   
+$EndComp
+$Comp
+L Device:C C?
+U 1 1 5F09662A
+P 6100 1200
+F 0 "C?" H 6300 1150 50  0000 R CNN
+F 1 "0.1u" H 6300 1300 50  0000 R CNN
+F 2 "" H 6138 1050 50  0001 C CNN
+F 3 "~" H 6100 1200 50  0001 C CNN
+	1    6100 1200
+	1    0    0    1   
+$EndComp
+Connection ~ 6100 1050
+$Comp
+L power:GND #PWR?
+U 1 1 5F096D34
+P 6100 1350
+F 0 "#PWR?" H 6100 1100 50  0001 C CNN
+F 1 "GND" H 6105 1177 50  0001 C CNN
+F 2 "" H 6100 1350 50  0001 C CNN
+F 3 "" H 6100 1350 50  0001 C CNN
+	1    6100 1350
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	6350 1150 6350 1250
+$Comp
+L power:GND #PWR?
+U 1 1 5F0A7CE4
+P 6350 1350
+F 0 "#PWR?" H 6350 1100 50  0001 C CNN
+F 1 "GND" H 6355 1177 50  0001 C CNN
+F 2 "" H 6350 1350 50  0001 C CNN
+F 3 "" H 6350 1350 50  0001 C CNN
+	1    6350 1350
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	6350 1350 6350 1250
+Connection ~ 6350 1250
+Wire Wire Line
+	5900 1050 6100 1050
 $EndSCHEMATC