Schematic

Added Power wirings and connectors.
Added 7-segment display output components and wiring to schematic.
Added shift registers for button inputs.

3 files changed, 919 insertions, 90 deletions

diff --git a/PinLock-cache.lib b/PinLock-cache.lib
index 44c94e9..1698e50 100644
--- a/PinLock-cache.lib
+++ b/PinLock-cache.lib
@@ -1,6 +1,42 @@
 EESchema-LIBRARY Version 2.4
 #encoding utf-8
 #
+# 74xx_74HC595
+#
+DEF 74xx_74HC595 U 0 20 Y Y 1 F N
+F0 "U" -300 550 50 H V C CNN
+F1 "74xx_74HC595" -300 -650 50 H V C CNN
+F2 "" 0 0 50 H I C CNN
+F3 "" 0 0 50 H I C CNN
+ALIAS 74LS595 74HCT595
+$FPLIST
+ DIP*W7.62mm*
+ SOIC*3.9x9.9mm*P1.27mm*
+ TSSOP*4.4x5mm*P0.65mm*
+ SOIC*5.3x10.2mm*P1.27mm*
+ SOIC*7.5x10.3mm*P1.27mm*
+$ENDFPLIST
+DRAW
+S -300 500 300 -600 1 1 10 f
+X QB 1 400 300 100 L 50 50 1 0 T
+X ~SRCLR 10 -400 100 100 R 50 50 1 0 I
+X SRCLK 11 -400 200 100 R 50 50 1 0 I
+X RCLK 12 -400 -100 100 R 50 50 1 0 I
+X ~OE 13 -400 -200 100 R 50 50 1 0 I
+X SER 14 -400 400 100 R 50 50 1 0 I
+X QA 15 400 400 100 L 50 50 1 0 T
+X VCC 16 0 600 100 D 50 50 1 0 W
+X QC 2 400 200 100 L 50 50 1 0 T
+X QD 3 400 100 100 L 50 50 1 0 T
+X QE 4 400 0 100 L 50 50 1 0 T
+X QF 5 400 -100 100 L 50 50 1 0 T
+X QG 6 400 -200 100 L 50 50 1 0 T
+X QH 7 400 -300 100 L 50 50 1 0 T
+X GND 8 0 -700 100 U 50 50 1 0 W
+X QH' 9 400 -500 100 L 50 50 1 0 O
+ENDDRAW
+ENDDEF
+#
 # 74xx_74LS48
 #
 DEF 74xx_74LS48 U 0 40 Y Y 1 L N
@@ -57,6 +93,44 @@ X MountPin MP 0 -300 120 U 50 50 1 1 P
 ENDDRAW
 ENDDEF
 #
+# Connector_Conn_01x08_Female
+#
+DEF Connector_Conn_01x08_Female J 0 40 Y N 1 F N
+F0 "J" 0 400 50 H V C CNN
+F1 "Connector_Conn_01x08_Female" 0 -500 50 H V C CNN
+F2 "" 0 0 50 H I C CNN
+F3 "" 0 0 50 H I C CNN
+$FPLIST
+ Connector*:*_1x??_*
+$ENDFPLIST
+DRAW
+A 0 -400 20 901 -901 1 1 6 N 0 -380 0 -420
+A 0 -300 20 901 -901 1 1 6 N 0 -280 0 -320
+A 0 -200 20 901 -901 1 1 6 N 0 -180 0 -220
+A 0 -100 20 901 -901 1 1 6 N 0 -80 0 -120
+A 0 0 20 901 -901 1 1 6 N 0 20 0 -20
+A 0 100 20 901 -901 1 1 6 N 0 120 0 80
+A 0 200 20 901 -901 1 1 6 N 0 220 0 180
+A 0 300 20 901 -901 1 1 6 N 0 320 0 280
+P 2 1 1 6 -50 -400 -20 -400 N
+P 2 1 1 6 -50 -300 -20 -300 N
+P 2 1 1 6 -50 -200 -20 -200 N
+P 2 1 1 6 -50 -100 -20 -100 N
+P 2 1 1 6 -50 0 -20 0 N
+P 2 1 1 6 -50 100 -20 100 N
+P 2 1 1 6 -50 200 -20 200 N
+P 2 1 1 6 -50 300 -20 300 N
+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
+#
 # Connector_USB_B_Micro
 #
 DEF Connector_USB_B_Micro J 0 40 Y Y 1 F N
@@ -93,6 +167,66 @@ X Shield 6 -100 -400 100 U 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
+#
+# Display_Character_SA15-11GWA
+#
+DEF Display_Character_SA15-11GWA U 0 20 Y Y 1 F N
+F0 "U" 0 650 50 H V C CNN
+F1 "Display_Character_SA15-11GWA" 0 550 50 H V C CNN
+F2 "Display_7Segment:SA15-11xxx" 0 -50 50 H I C CNN
+F3 "" 0 -50 50 H I C CNN
+ALIAS SA15-11GWA SA15-11EWA
+$FPLIST
+ SA15?11*
+$ENDFPLIST
+DRAW
+T 0 10 270 20 0 1 0 A Normal 0 C C
+T 0 100 240 20 0 1 0 B Normal 0 C C
+T 0 90 120 20 0 1 0 C Normal 0 C C
+T 0 -10 90 20 0 1 0 D Normal 0 C C
+T 0 140 60 20 0 1 0 DP Normal 0 C C
+T 0 -100 120 20 0 1 0 E Normal 0 C C
+T 0 -90 240 20 0 1 0 F Normal 0 C C
+T 0 0 210 20 0 1 0 G Normal 0 C C
+S -200 500 200 -500 1 1 10 f
+P 2 1 1 20 -60 160 -70 80 N
+P 2 1 1 20 -50 60 30 60 N
+P 2 1 1 20 -50 280 -60 200 N
+P 2 1 1 20 -40 180 40 180 N
+P 2 1 1 20 -30 300 50 300 N
+P 2 1 1 20 60 160 50 80 N
+P 2 1 1 20 70 280 60 200 N
+P 2 1 1 20 100 60 100 60 N
+X CA 1 300 -400 100 L 50 50 1 1 I
+X G 10 -300 -300 100 R 50 50 1 1 I
+X E 2 -300 -100 100 R 50 50 1 1 I
+X D 3 -300 0 100 R 50 50 1 1 I
+X C 4 -300 100 100 R 50 50 1 1 I
+X CA 5 300 -300 100 L 50 50 1 1 I
+X B 6 -300 200 100 R 50 50 1 1 I
+X A 7 -300 300 100 R 50 50 1 1 I
+X DP 8 -300 -400 100 R 50 50 1 1 I
+X F 9 -300 -200 100 R 50 50 1 1 I
+ENDDRAW
+ENDDEF
+#
 # MCU_Microchip_ATmega_ATmega16A-PU
 #
 DEF MCU_Microchip_ATmega_ATmega16A-PU U 0 20 Y Y 1 F N
@@ -168,6 +302,23 @@ X VI 3 -300 0 100 R 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_GND
 #
 DEF power_GND #PWR 0 0 Y Y 1 F P
diff --git a/PinLock.sch b/PinLock.sch
index 675ba11..00a9108 100644
--- a/PinLock.sch
+++ b/PinLock.sch
@@ -16,136 +16,641 @@ Comment4 ""
 $EndDescr
 $Comp
 L 74xx:74LS48 U?
-U 1 1 5DB8ABBB
-P 7650 1800
-F 0 "U?" H 7650 2581 50  0000 C CNN
-F 1 "74LS48" H 7650 2490 50  0000 C CNN
-F 2 "" H 7650 1800 50  0001 C CNN
-F 3 "http://www.ti.com/lit/gpn/sn74LS48" H 7650 1800 50  0001 C CNN
-	1    7650 1800
-	1    0    0    -1  
-$EndComp
-$Comp
-L 74xx:74LS48 U?
-U 1 1 5DB8F280
-P 9150 1800
-F 0 "U?" H 9150 2581 50  0000 C CNN
-F 1 "74LS48" H 9150 2490 50  0000 C CNN
-F 2 "" H 9150 1800 50  0001 C CNN
-F 3 "http://www.ti.com/lit/gpn/sn74LS48" H 9150 1800 50  0001 C CNN
-	1    9150 1800
-	1    0    0    -1  
-$EndComp
-$Comp
-L 74xx:74LS48 U?
 U 1 1 5DB99928
-P 7650 3650
-F 0 "U?" H 7650 4431 50  0000 C CNN
-F 1 "74LS48" H 7650 4340 50  0000 C CNN
-F 2 "" H 7650 3650 50  0001 C CNN
-F 3 "http://www.ti.com/lit/gpn/sn74LS48" H 7650 3650 50  0001 C CNN
-	1    7650 3650
-	1    0    0    -1  
-$EndComp
-$Comp
-L 74xx:74LS48 U?
-U 1 1 5DB9A0A0
-P 9450 3650
-F 0 "U?" H 9450 4431 50  0000 C CNN
-F 1 "74LS48" H 9450 4340 50  0000 C CNN
-F 2 "" H 9450 3650 50  0001 C CNN
-F 3 "http://www.ti.com/lit/gpn/sn74LS48" H 9450 3650 50  0001 C CNN
-	1    9450 3650
+P 10300 2550
+F 0 "U?" H 10550 3000 50  0000 C CNN
+F 1 "74LS48" H 10100 3000 50  0000 C CNN
+F 2 "" H 10300 2550 50  0001 C CNN
+F 3 "http://www.ti.com/lit/gpn/sn74LS48" H 10300 2550 50  0001 C CNN
+	1    10300 2550
 	1    0    0    -1  
 $EndComp
+Wire Wire Line
+	5300 950  5400 950 
+Connection ~ 5300 950 
+Wire Wire Line
+	5400 950  5400 1300
+Wire Wire Line
+	5300 950  5300 1300
 $Comp
 L MCU_Microchip_ATmega:ATmega16A-PU U?
 U 1 1 5DB85A9E
 P 5300 3300
-F 0 "U?" H 5300 1211 50  0000 C CNN
-F 1 "ATmega16A-PU" H 5300 1120 50  0000 C CNN
+F 0 "U?" H 5750 1350 50  0000 C CNN
+F 1 "ATmega16A-PU" H 4900 1350 50  0000 C CNN
 F 2 "Package_DIP:DIP-40_W15.24mm" H 5300 3300 50  0001 C CIN
 F 3 "http://ww1.microchip.com/downloads/en/DeviceDoc/Atmel-8154-8-bit-AVR-ATmega16A_Datasheet.pdf" H 5300 3300 50  0001 C CNN
 	1    5300 3300
 	1    0    0    -1  
 $EndComp
 $Comp
-L Connector:Barrel_Jack_MountingPin J?
-U 1 1 5DBB60C9
-P 2300 1050
-F 0 "J?" H 2357 1367 50  0000 C CNN
-F 1 "Barrel_Jack_MountingPin" H 2357 1276 50  0000 C CNN
-F 2 "" H 2350 1010 50  0001 C CNN
-F 3 "~" H 2350 1010 50  0001 C CNN
-	1    2300 1050
+L Switch:SW_Push SW?
+U 1 1 5DBE2224
+P 4250 1600
+F 0 "SW?" H 4250 1885 50  0000 C CNN
+F 1 "SW_Push" H 4250 1794 50  0000 C CNN
+F 2 "" H 4250 1800 50  0001 C CNN
+F 3 "~" H 4250 1800 50  0001 C CNN
+	1    4250 1600
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	4700 1600 4450 1600
+$Comp
+L power:GND #PWR?
+U 1 1 5DBD43C2
+P 2050 7100
+F 0 "#PWR?" H 2050 6850 50  0001 C CNN
+F 1 "GND" H 2055 6927 50  0000 C CNN
+F 2 "" H 2050 7100 50  0001 C CNN
+F 3 "" H 2050 7100 50  0001 C CNN
+	1    2050 7100
 	1    0    0    -1  
 $EndComp
+NoConn ~ 1650 1350
 $Comp
 L Regulator_Linear:AMS1117-5.0 U?
 U 1 1 5DBB71E9
-P 3500 950
-F 0 "U?" H 3500 1192 50  0000 C CNN
-F 1 "AMS1117-5.0" H 3500 1101 50  0000 C CNN
-F 2 "Package_TO_SOT_SMD:SOT-223-3_TabPin2" H 3500 1150 50  0001 C CNN
-F 3 "http://www.advanced-monolithic.com/pdf/ds1117.pdf" H 3600 700 50  0001 C CNN
-	1    3500 950 
+P 3300 950
+F 0 "U?" H 3300 1192 50  0000 C CNN
+F 1 "AMS1117-5.0" H 3300 1101 50  0000 C CNN
+F 2 "Package_TO_SOT_SMD:SOT-223-3_TabPin2" H 3300 1150 50  0001 C CNN
+F 3 "http://www.advanced-monolithic.com/pdf/ds1117.pdf" H 3400 700 50  0001 C CNN
+	1    3300 950 
+	1    0    0    -1  
+$EndComp
+$Comp
+L Connector:Barrel_Jack_MountingPin J?
+U 1 1 5DBB60C9
+P 1650 1050
+F 0 "J?" H 1707 1367 50  0000 C CNN
+F 1 "Barrel_Jack_MountingPin" H 1707 1276 50  0000 C CNN
+F 2 "" H 1700 1010 50  0001 C CNN
+F 3 "~" H 1700 1010 50  0001 C CNN
+	1    1650 1050
 	1    0    0    -1  
 $EndComp
+Wire Wire Line
+	3600 950  3700 950 
 $Comp
 L Connector:USB_B_Micro J?
 U 1 1 5DBB7B46
-P 2250 2000
-F 0 "J?" H 2307 2467 50  0000 C CNN
-F 1 "USB_B_Micro" H 2307 2376 50  0000 C CNN
-F 2 "" H 2400 1950 50  0001 C CNN
-F 3 "~" H 2400 1950 50  0001 C CNN
-	1    2250 2000
+P 1650 1900
+F 0 "J?" H 1707 2367 50  0000 C CNN
+F 1 "USB_B_Micro" H 1707 2276 50  0000 C CNN
+F 2 "" H 1800 1850 50  0001 C CNN
+F 3 "~" H 1800 1850 50  0001 C CNN
+	1    1650 1900
 	1    0    0    -1  
 $EndComp
-NoConn ~ 2550 2000
-NoConn ~ 2300 1350
-NoConn ~ 2550 2100
-NoConn ~ 2550 2200
-NoConn ~ 2150 2400
+$Comp
+L Device:C C?
+U 1 1 5DC7168B
+P 2300 1250
+F 0 "C?" V 2250 1150 50  0000 C CNN
+F 1 "C" V 2250 1350 50  0000 C CNN
+F 2 "" H 2338 1100 50  0001 C CNN
+F 3 "~" H 2300 1250 50  0001 C CNN
+	1    2300 1250
+	0    1    1    0   
+$EndComp
+Wire Wire Line
+	1950 950  2050 950 
+Wire Wire Line
+	2050 950  2050 1250
+Wire Wire Line
+	1950 1150 2150 1150
+Wire Wire Line
+	2150 1150 2150 950 
+Wire Wire Line
+	2150 950  2550 950 
 Wire Wire Line
-	2600 1150 2900 1150
+	2050 1250 2150 1250
+Connection ~ 2050 1250
 Wire Wire Line
-	2900 1150 2900 950 
+	2050 1250 2050 1350
 Wire Wire Line
-	2600 950  2750 950 
+	2450 1250 2550 1250
 Wire Wire Line
-	2750 950  2750 2400
+	2550 1250 2550 950 
+Connection ~ 2550 950 
 Wire Wire Line
-	2250 2400 2750 2400
-Connection ~ 2750 2400
+	2550 950  3000 950 
 Wire Wire Line
-	2750 2400 2750 5950
+	3300 1250 3300 1350
+Wire Wire Line
+	3300 1350 2050 1350
+Connection ~ 2050 1350
+Wire Wire Line
+	2050 1350 2050 1600
+Wire Wire Line
+	1950 1700 2250 1700
+Wire Wire Line
+	3700 1700 3700 950 
+Connection ~ 3700 950 
+Wire Wire Line
+	3700 950  5300 950 
+Wire Wire Line
+	1650 2300 1650 2400
+Wire Wire Line
+	1650 2400 2050 2400
+Connection ~ 2050 2400
+Wire Wire Line
+	2050 2400 2050 7000
 $Comp
-L power:GND #PWR?
-U 1 1 5DBD43C2
-P 2750 5950
-F 0 "#PWR?" H 2750 5700 50  0001 C CNN
-F 1 "GND" H 2755 5777 50  0000 C CNN
-F 2 "" H 2750 5950 50  0001 C CNN
-F 3 "" H 2750 5950 50  0001 C CNN
-	1    2750 5950
+L Device:C C?
+U 1 1 5DC8ECAA
+P 2250 1950
+F 0 "C?" H 2365 1996 50  0000 L CNN
+F 1 "C" H 2365 1905 50  0000 L CNN
+F 2 "" H 2288 1800 50  0001 C CNN
+F 3 "~" H 2250 1950 50  0001 C CNN
+	1    2250 1950
 	1    0    0    -1  
 $EndComp
 Wire Wire Line
-	2900 950  3200 950 
+	2250 1700 2250 1800
+Connection ~ 2250 1700
 Wire Wire Line
-	3500 1250 3500 2400
+	2250 1700 3700 1700
 Wire Wire Line
-	3500 2400 2750 2400
+	2250 2100 2250 2400
 Wire Wire Line
-	3800 950  4000 950 
+	2250 2400 2050 2400
 Wire Wire Line
-	5300 950  5300 1300
+	4050 1600 2050 1600
+Connection ~ 2050 1600
+Wire Wire Line
+	2050 1600 2050 2400
+Wire Wire Line
+	5300 5300 5300 6200
+Wire Wire Line
+	5300 7000 2050 7000
+Connection ~ 2050 7000
+Wire Wire Line
+	2050 7000 2050 7100
+$Comp
+L Display_Character:SA15-11GWA U?
+U 1 1 5DCC2268
+P 10650 5600
+F 0 "U?" H 10650 6267 50  0000 C CNN
+F 1 "SA15-11GWA" H 10650 6176 50  0000 C CNN
+F 2 "Display_7Segment:SA15-11xxx" H 10650 5550 50  0001 C CNN
+F 3 "http://www.kingbrightusa.com/images/catalog/SPEC/SA15-11GWA.pdf" H 10650 5550 50  0001 C CNN
+	1    10650 5600
+	1    0    0    -1  
+$EndComp
+Text GLabel 10350 5900 0    50   Input ~ 0
+g4
+Text GLabel 10350 5800 0    50   Input ~ 0
+f4
+Text GLabel 10350 5700 0    50   Input ~ 0
+e4
+Text GLabel 10350 5600 0    50   Input ~ 0
+d4
+Text GLabel 10350 5500 0    50   Input ~ 0
+c4
+Text GLabel 10350 5400 0    50   Input ~ 0
+b4
+Text GLabel 10350 5300 0    50   Input ~ 0
+a4
+Text GLabel 9500 5900 0    50   Input ~ 0
+g3
+Text GLabel 9500 5800 0    50   Input ~ 0
+f3
+Text GLabel 9500 5700 0    50   Input ~ 0
+e3
+Text GLabel 9500 5600 0    50   Input ~ 0
+d3
+Text GLabel 9500 5500 0    50   Input ~ 0
+c3
+Text GLabel 9500 5400 0    50   Input ~ 0
+b3
+Text GLabel 9500 5300 0    50   Input ~ 0
+a3
+$Comp
+L Display_Character:SA15-11GWA U?
+U 1 1 5DCC1AA9
+P 9800 5600
+F 0 "U?" H 9800 6267 50  0000 C CNN
+F 1 "SA15-11GWA" H 9800 6176 50  0000 C CNN
+F 2 "Display_7Segment:SA15-11xxx" H 9800 5550 50  0001 C CNN
+F 3 "http://www.kingbrightusa.com/images/catalog/SPEC/SA15-11GWA.pdf" H 9800 5550 50  0001 C CNN
+	1    9800 5600
+	1    0    0    -1  
+$EndComp
+Text GLabel 8650 5300 0    50   Input ~ 0
+a2
+Text GLabel 7800 5300 0    50   Input ~ 0
+a1
+Text GLabel 8650 5400 0    50   Input ~ 0
+b2
+Text GLabel 8650 5500 0    50   Input ~ 0
+c2
+Text GLabel 8650 5600 0    50   Input ~ 0
+d2
+Text GLabel 8650 5700 0    50   Input ~ 0
+e2
+Text GLabel 8650 5800 0    50   Input ~ 0
+f2
+Text GLabel 8650 5900 0    50   Input ~ 0
+g2
+Text GLabel 7800 5800 0    50   Input ~ 0
+f1
+Text GLabel 7800 5900 0    50   Input ~ 0
+g1
+Text GLabel 7800 5700 0    50   Input ~ 0
+e1
+Text GLabel 7800 5600 0    50   Input ~ 0
+d1
+Text GLabel 7800 5500 0    50   Input ~ 0
+c1
+Text GLabel 7800 5400 0    50   Input ~ 0
+b1
+$Comp
+L Display_Character:SA15-11GWA U?
+U 1 1 5DCC1083
+P 8950 5600
+F 0 "U?" H 8950 6267 50  0000 C CNN
+F 1 "SA15-11GWA" H 8950 6176 50  0000 C CNN
+F 2 "Display_7Segment:SA15-11xxx" H 8950 5550 50  0001 C CNN
+F 3 "http://www.kingbrightusa.com/images/catalog/SPEC/SA15-11GWA.pdf" H 8950 5550 50  0001 C CNN
+	1    8950 5600
+	1    0    0    -1  
+$EndComp
+Text GLabel 9200 2850 2    50   Output ~ 0
+g1
+Text GLabel 9200 2750 2    50   Output ~ 0
+f1
+Text GLabel 9200 2650 2    50   Output ~ 0
+e1
+Text GLabel 9200 2550 2    50   Output ~ 0
+d1
+Text GLabel 9200 2450 2    50   Output ~ 0
+c1
+Text GLabel 9200 2350 2    50   Output ~ 0
+b1
+Text GLabel 9200 2250 2    50   Output ~ 0
+a1
+$Comp
+L Display_Character:SA15-11GWA U?
+U 1 1 5DC0704B
+P 8100 5600
+F 0 "U?" H 8100 6267 50  0000 C CNN
+F 1 "SA15-11GWA" H 8100 6176 50  0000 C CNN
+F 2 "Display_7Segment:SA15-11xxx" H 8100 5550 50  0001 C CNN
+F 3 "http://www.kingbrightusa.com/images/catalog/SPEC/SA15-11GWA.pdf" H 8100 5550 50  0001 C CNN
+	1    8100 5600
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	10950 5900 10950 6000
+Wire Wire Line
+	10950 6200 10350 6200
+Connection ~ 10950 6000
+Wire Wire Line
+	10950 6000 10950 6200
+Connection ~ 5300 6200
+Wire Wire Line
+	5300 6200 5300 7000
+Wire Wire Line
+	7800 6000 7800 6200
+Connection ~ 7800 6200
+Wire Wire Line
+	7800 6200 7550 6200
+Wire Wire Line
+	8400 5900 8400 6000
+Connection ~ 8400 6200
+Wire Wire Line
+	8400 6200 7800 6200
+Connection ~ 8400 6000
+Wire Wire Line
+	8400 6000 8400 6200
+Wire Wire Line
+	8650 6000 8650 6200
+Connection ~ 8650 6200
+Wire Wire Line
+	8650 6200 8400 6200
+Wire Wire Line
+	9250 5900 9250 6000
+Connection ~ 9250 6200
 Wire Wire Line
-	2550 1800 4000 1800
+	9250 6200 8650 6200
+Connection ~ 9250 6000
 Wire Wire Line
-	4000 1800 4000 950 
-Connection ~ 4000 950 
+	9250 6000 9250 6200
 Wire Wire Line
-	4000 950  5300 950 
+	9500 6000 9500 6200
+Connection ~ 9500 6200
+Wire Wire Line
+	9500 6200 9250 6200
+Wire Wire Line
+	10100 5900 10100 6000
+Connection ~ 10100 6200
+Wire Wire Line
+	10100 6200 9500 6200
+Connection ~ 10100 6000
+Wire Wire Line
+	10100 6000 10100 6200
+Wire Wire Line
+	10350 6000 10350 6200
+Connection ~ 10350 6200
+Wire Wire Line
+	10350 6200 10100 6200
+Text GLabel 8200 2250 0    50   Input ~ 0
+CHAR0_0
+Text GLabel 8200 2350 0    50   Input ~ 0
+CHAR0_1
+Text GLabel 8200 2450 0    50   Input ~ 0
+CHAR0_2
+Text GLabel 8200 2550 0    50   Input ~ 0
+CHAR0_3
+Text GLabel 10800 2250 2    50   Output ~ 0
+a2
+Text GLabel 10800 2350 2    50   Output ~ 0
+b2
+Text GLabel 10800 2450 2    50   Output ~ 0
+c2
+Text GLabel 10800 2550 2    50   Output ~ 0
+d2
+Text GLabel 10800 2650 2    50   Output ~ 0
+e2
+Text GLabel 10800 2750 2    50   Output ~ 0
+f2
+Text GLabel 10800 2850 2    50   Output ~ 0
+g2
+Text GLabel 9800 2250 0    50   Input ~ 0
+CHAR1_0
+Text GLabel 9800 2350 0    50   Input ~ 0
+CHAR1_1
+Text GLabel 9800 2450 0    50   Input ~ 0
+CHAR1_2
+Text GLabel 9800 2550 0    50   Input ~ 0
+CHAR1_3
+$Comp
+L 74xx:74LS48 U?
+U 1 1 5DB9A0A0
+P 8700 4050
+F 0 "U?" H 8950 4500 50  0000 C CNN
+F 1 "74LS48" H 8500 4500 50  0000 C CNN
+F 2 "" H 8700 4050 50  0001 C CNN
+F 3 "http://www.ti.com/lit/gpn/sn74LS48" H 8700 4050 50  0001 C CNN
+	1    8700 4050
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+Text GLabel 8200 3850 0    50   Input ~ 0
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+Text GLabel 8200 3750 0    50   Input ~ 0
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+Text GLabel 9200 3950 2    50   Output ~ 0
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+	1    10300 4050
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+Text GLabel 10800 3850 2    50   Output ~ 0
+b4
+Text GLabel 10800 3950 2    50   Output ~ 0
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+Text GLabel 10800 4050 2    50   Output ~ 0
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+	1    0    0    -1  
+$EndComp
+$Comp
+L 74xx:74HC595 U?
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+F 3 "~" H 7500 1700 50  0001 C CNN
+	1    7500 1700
+	1    0    0    -1  
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+L 74xx:74HC595 U?
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+F 0 "U?" H 7150 5450 50  0000 C CNN
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+F 3 "http://www.ti.com/lit/ds/symlink/sn74hc595.pdf" H 6900 4900 50  0001 C CNN
+	1    6900 4900
+	1    0    0    -1  
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 $EndSCHEMATC
diff --git a/PinLock.sch-bak b/PinLock.sch-bak
index 3e98ded..820c49a 100644
--- a/PinLock.sch-bak
+++ b/PinLock.sch-bak
@@ -1,4 +1,5 @@
 EESchema Schematic File Version 4
+LIBS:PinLock-cache
 EELAYER 30 0
 EELAYER END
 $Descr A4 11693 8268
@@ -13,4 +14,176 @@ Comment2 "WiSe 2019/2020"
 Comment3 ""
 Comment4 ""
 $EndDescr
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+F 0 "U?" H 7050 2681 50  0000 C CNN
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+F 3 "http://www.ti.com/lit/gpn/sn74LS48" H 7050 1900 50  0001 C CNN
+	1    7050 1900
+	1    0    0    -1  
+$EndComp
+$Comp
+L 74xx:74LS48 U?
+U 1 1 5DB8F280
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+F 0 "U?" H 9150 2581 50  0000 C CNN
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+F 2 "" H 9150 1800 50  0001 C CNN
+F 3 "http://www.ti.com/lit/gpn/sn74LS48" H 9150 1800 50  0001 C CNN
+	1    9150 1800
+	1    0    0    -1  
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+$Comp
+L 74xx:74LS48 U?
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+F 0 "U?" H 7650 4431 50  0000 C CNN
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+F 3 "http://www.ti.com/lit/gpn/sn74LS48" H 7650 3650 50  0001 C CNN
+	1    7650 3650
+	1    0    0    -1  
+$EndComp
+$Comp
+L 74xx:74LS48 U?
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+F 0 "U?" H 9450 4431 50  0000 C CNN
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+F 3 "http://www.ti.com/lit/gpn/sn74LS48" H 9450 3650 50  0001 C CNN
+	1    9450 3650
+	1    0    0    -1  
+$EndComp
+$Comp
+L Connector:Barrel_Jack_MountingPin J?
+U 1 1 5DBB60C9
+P 2300 1050
+F 0 "J?" H 2357 1367 50  0000 C CNN
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+F 2 "" H 2350 1010 50  0001 C CNN
+F 3 "~" H 2350 1010 50  0001 C CNN
+	1    2300 1050
+	1    0    0    -1  
+$EndComp
+$Comp
+L Regulator_Linear:AMS1117-5.0 U?
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+F 0 "U?" H 3300 1192 50  0000 C CNN
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+F 2 "Package_TO_SOT_SMD:SOT-223-3_TabPin2" H 3300 1150 50  0001 C CNN
+F 3 "http://www.advanced-monolithic.com/pdf/ds1117.pdf" H 3400 700 50  0001 C CNN
+	1    3300 950 
+	1    0    0    -1  
+$EndComp
+$Comp
+L Connector:USB_B_Micro J?
+U 1 1 5DBB7B46
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+F 0 "J?" H 2307 2467 50  0000 C CNN
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+F 2 "" H 2400 1950 50  0001 C CNN
+F 3 "~" H 2400 1950 50  0001 C CNN
+	1    2250 2000
+	1    0    0    -1  
+$EndComp
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+L power:GND #PWR?
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+	1    2750 7100
+	1    0    0    -1  
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+Wire Wire Line
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+L MCU_Microchip_ATmega:ATmega16A-PU U?
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+F 0 "U?" H 5750 1350 50  0000 C CNN
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+F 2 "Package_DIP:DIP-40_W15.24mm" H 5300 3300 50  0001 C CIN
+F 3 "http://ww1.microchip.com/downloads/en/DeviceDoc/Atmel-8154-8-bit-AVR-ATmega16A_Datasheet.pdf" H 5300 3300 50  0001 C CNN
+	1    5300 3300
+	1    0    0    -1  
+$EndComp
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+	5300 5300 5300 6000
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+Connection ~ 2750 6000
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+L Switch:SW_Push SW?
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+F 3 "~" H 4250 1800 50  0001 C CNN
+	1    4250 1600
+	1    0    0    -1  
+$EndComp
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