Begin drawing schematicHEADmaster

Components still don't have values, and the design of the button array
is only indicative.

5 files changed, 2288 insertions, 0 deletions

diff --git a/hw/bomb-cache.lib b/hw/bomb-cache.lib
new file mode 100644
index 0000000..877ba58
--- /dev/null
+++ b/hw/bomb-cache.lib
@@ -0,0 +1,250 @@
+EESchema-LIBRARY Version 2.4
+#encoding utf-8
+#
+# 74xx_74HC00
+#
+DEF 74xx_74HC00 U 0 40 Y Y 5 L N
+F0 "U" 0 50 50 H V C CNN
+F1 "74xx_74HC00" 0 -50 50 H V C CNN
+F2 "" 0 0 50 H I C CNN
+F3 "" 0 0 50 H I C CNN
+ALIAS 74LS37 7400 74HCT00 74HC00
+$FPLIST
+ DIP*W7.62mm*
+ SO14*
+$ENDFPLIST
+DRAW
+A 0 0 150 -899 899 1 1 10 f 0 -150 0 150
+A 0 0 150 -899 899 2 1 10 f 0 -150 0 150
+A 0 0 150 -899 899 3 1 10 f 0 -150 0 150
+A 0 0 150 -899 899 4 1 10 f 0 -150 0 150
+A -360 0 258 354 -354 1 2 10 N -150 150 -150 -150
+A -47 -52 204 150 837 1 2 10 f 150 0 -24 150
+A -47 52 204 -150 -837 1 2 10 f 150 0 -24 -150
+A -360 0 258 354 -354 2 2 10 N -150 150 -150 -150
+A -47 -52 204 150 837 2 2 10 f 150 0 -24 150
+A -47 52 204 -150 -837 2 2 10 f 150 0 -24 -150
+A -360 0 258 354 -354 3 2 10 N -150 150 -150 -150
+A -47 -52 204 150 837 3 2 10 f 150 0 -24 150
+A -47 52 204 -150 -837 3 2 10 f 150 0 -24 -150
+A -360 0 258 354 -354 4 2 10 N -150 150 -150 -150
+A -47 -52 204 150 837 4 2 10 f 150 0 -24 150
+A -47 52 204 -150 -837 4 2 10 f 150 0 -24 -150
+S -200 300 200 -300 5 1 10 f
+P 4 1 1 10 0 150 -150 150 -150 -150 0 -150 f
+P 4 2 1 10 0 150 -150 150 -150 -150 0 -150 f
+P 4 3 1 10 0 150 -150 150 -150 -150 0 -150 f
+P 4 4 1 10 0 150 -150 150 -150 -150 0 -150 f
+P 2 1 2 10 -150 -150 -25 -150 f
+P 2 1 2 10 -150 150 -25 150 f
+P 12 1 2 -1000 -25 150 -150 150 -150 150 -140 134 -119 89 -106 41 -103 -10 -109 -59 -125 -107 -150 -150 -150 -150 -25 -150 f
+P 2 2 2 10 -150 -150 -25 -150 f
+P 2 2 2 10 -150 150 -25 150 f
+P 12 2 2 -1000 -25 150 -150 150 -150 150 -140 134 -119 89 -106 41 -103 -10 -109 -59 -125 -107 -150 -150 -150 -150 -25 -150 f
+P 2 3 2 10 -150 -150 -25 -150 f
+P 2 3 2 10 -150 150 -25 150 f
+P 12 3 2 -1000 -25 150 -150 150 -150 150 -140 134 -119 89 -106 41 -103 -10 -109 -59 -125 -107 -150 -150 -150 -150 -25 -150 f
+P 2 4 2 10 -150 -150 -25 -150 f
+P 2 4 2 10 -150 150 -25 150 f
+P 12 4 2 -1000 -25 150 -150 150 -150 150 -140 134 -119 89 -106 41 -103 -10 -109 -59 -125 -107 -150 -150 -150 -150 -25 -150 f
+X VCC 14 0 500 200 D 50 50 5 0 W
+X GND 7 0 -500 200 U 50 50 5 0 W
+X ~ 1 -300 100 150 R 50 50 1 1 I
+X ~ 2 -300 -100 150 R 50 50 1 1 I
+X ~ 3 300 0 150 L 50 50 1 1 O I
+X ~ 4 -300 100 150 R 50 50 2 1 I
+X ~ 5 -300 -100 150 R 50 50 2 1 I
+X ~ 6 300 0 150 L 50 50 2 1 O I
+X ~ 10 -300 -100 150 R 50 50 3 1 I
+X ~ 8 300 0 150 L 50 50 3 1 O I
+X ~ 9 -300 100 150 R 50 50 3 1 I
+X ~ 11 300 0 150 L 50 50 4 1 O I
+X ~ 12 -300 100 150 R 50 50 4 1 I
+X ~ 13 -300 -100 150 R 50 50 4 1 I
+X ~ 1 -300 100 170 R 50 50 1 2 I I
+X ~ 2 -300 -100 170 R 50 50 1 2 I I
+X ~ 3 300 0 150 L 50 50 1 2 O
+X ~ 4 -300 100 170 R 50 50 2 2 I I
+X ~ 5 -300 -100 170 R 50 50 2 2 I I
+X ~ 6 300 0 150 L 50 50 2 2 O
+X ~ 10 -300 -100 170 R 50 50 3 2 I I
+X ~ 8 300 0 150 L 50 50 3 2 O
+X ~ 9 -300 100 170 R 50 50 3 2 I I
+X ~ 11 300 0 150 L 50 50 4 2 O
+X ~ 12 -300 100 170 R 50 50 4 2 I I
+X ~ 13 -300 -100 170 R 50 50 4 2 I I
+ENDDRAW
+ENDDEF
+#
+# 74xx_74HC164
+#
+DEF 74xx_74HC164 U 0 20 Y Y 1 F N
+F0 "U" 75 -550 50 H V L CNN
+F1 "74xx_74HC164" 75 -650 50 H V L CNN
+F2 "" 900 -300 50 H I C CNN
+F3 "" 900 -300 50 H I C CNN
+ALIAS 74HCT164
+$FPLIST
+ SOIC*3.9x8.7*P1.27mm*
+ ?SSOP*P0.65mm*
+ DIP*W7.62mm*
+$ENDFPLIST
+DRAW
+S 300 400 -300 -500 0 1 10 f
+X DSA 1 -400 0 100 R 50 50 1 1 I
+X Q4 10 400 -100 100 L 50 50 1 1 O
+X Q5 11 400 -200 100 L 50 50 1 1 O
+X Q6 12 400 -300 100 L 50 50 1 1 O
+X Q7 13 400 -400 100 L 50 50 1 1 O
+X VCC 14 0 500 100 D 50 50 1 1 W
+X DSB 2 -400 -100 100 R 50 50 1 1 I
+X Q0 3 400 300 100 L 50 50 1 1 O
+X Q1 4 400 200 100 L 50 50 1 1 O
+X Q2 5 400 100 100 L 50 50 1 1 O
+X Q3 6 400 0 100 L 50 50 1 1 O
+X GND 7 0 -600 100 U 50 50 1 1 W
+X CP 8 -400 -300 100 R 50 50 1 1 I
+X ~MR 9 -400 200 100 R 50 50 1 1 I
+ENDDRAW
+ENDDEF
+#
+# 74xx_74HC165
+#
+DEF 74xx_74HC165 U 0 20 Y Y 1 F N
+F0 "U" -300 750 50 H V C CNN
+F1 "74xx_74HC165" -300 -850 50 H V C CNN
+F2 "" 0 0 50 H I C CNN
+F3 "" 0 0 50 H I C CNN
+ALIAS 74HC165
+$FPLIST
+ DIP?16*
+ SO*16*3.9x9.9mm*P1.27mm*
+ SSOP*16*5.3x6.2mm*P0.65mm*
+ TSSOP*16*4.4x5mm*P0.65*
+$ENDFPLIST
+DRAW
+S -300 700 300 -800 1 1 10 f
+X ~PL 1 -500 -400 200 R 50 50 1 0 I
+X DS 10 -500 600 200 R 50 50 1 0 I
+X D0 11 -500 500 200 R 50 50 1 0 I
+X D1 12 -500 400 200 R 50 50 1 0 I
+X D2 13 -500 300 200 R 50 50 1 0 I
+X D3 14 -500 200 200 R 50 50 1 0 I
+X ~CE 15 -500 -700 200 R 50 50 1 0 I
+X VCC 16 0 900 200 D 50 50 1 0 W
+X CP 2 -500 -600 200 R 50 50 1 0 I
+X D4 3 -500 100 200 R 50 50 1 0 I
+X D5 4 -500 0 200 R 50 50 1 0 I
+X D6 5 -500 -100 200 R 50 50 1 0 I
+X D7 6 -500 -200 200 R 50 50 1 0 I
+X ~Q7 7 500 500 200 L 50 50 1 0 O
+X GND 8 0 -1000 200 U 50 50 1 0 W
+X Q7 9 500 600 200 L 50 50 1 0 O
+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
+#
+# 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
+F0 "R" 80 0 50 V V C CNN
+F1 "Device_R" 0 0 50 V V C CNN
+F2 "" -70 0 50 V I C CNN
+F3 "" 0 0 50 H I C CNN
+$FPLIST
+ R_*
+$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
+#
+# 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_+3.3V
+#
+DEF power_+3.3V #PWR 0 0 Y Y 1 F P
+F0 "#PWR" 0 -150 50 H I C CNN
+F1 "power_+3.3V" 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
+#
+#End Library
diff --git a/hw/bomb.kicad_pcb b/hw/bomb.kicad_pcb
new file mode 100644
index 0000000..02c8ecb
--- /dev/null
+++ b/hw/bomb.kicad_pcb
@@ -0,0 +1 @@
+(kicad_pcb (version 4) (host kicad "dummy file") )
diff --git a/hw/bomb.pdf b/hw/bomb.pdf
new file mode 100644
index 0000000..e4d878e
--- /dev/null
+++ b/hw/bomb.pdf
diff --git a/hw/bomb.pro b/hw/bomb.pro
new file mode 100644
index 0000000..f9bf996
--- /dev/null
+++ b/hw/bomb.pro
@@ -0,0 +1,43 @@
+update=Date
+version=1
+last_client=kicad
+[general]
+version=1
+RootSch=
+BoardNm=
+[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]
+[schematic_editor]
+version=1
+PageLayoutDescrFile=
+PlotDirectoryName=./
+SubpartIdSeparator=0
+SubpartFirstId=65
+NetFmtName=
+SpiceAjustPassiveValues=0
+LabSize=50
+ERC_TestSimilarLabels=1
diff --git a/hw/bomb.sch b/hw/bomb.sch
new file mode 100644
index 0000000..88e8be9
--- /dev/null
+++ b/hw/bomb.sch
@@ -0,0 +1,1994 @@
+EESchema Schematic File Version 4
+EELAYER 30 0
+EELAYER END
+$Descr A4 11693 8268
+encoding utf-8
+Sheet 1 1
+Title "The Bomb"
+Date "2021-05-16"
+Rev "v0.1"
+Comp "The Arcway"
+Comment1 ""
+Comment2 ""
+Comment3 ""
+Comment4 ""
+$EndDescr
+$Comp
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+F 2 "" H 3500 1950 50  0001 C CNN
+F 3 "https://assets.nexperia.com/documents/data-sheet/74HC_HCT165.pdf" H 3500 1950 50  0001 C CNN
+	1    3500 1950
+	1    0    0    -1  
+$EndComp
+$Comp
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+F 2 "" H 1300 2450 50  0001 C CNN
+F 3 "http://www.ti.com/lit/gpn/sn74hc00" H 1300 2450 50  0001 C CNN
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+$EndComp
+$Comp
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+F 2 "" H 2700 4650 50  0001 C CNN
+F 3 "http://www.ti.com/lit/gpn/sn74hc00" H 2700 4650 50  0001 C CNN
+	3    2700 4650
+	1    0    0    -1  
+$EndComp
+$Comp
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+F 2 "" H 1300 1650 50  0001 C CNN
+F 3 "http://www.ti.com/lit/gpn/sn74hc00" H 1300 1650 50  0001 C CNN
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+$EndComp
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+F 2 "" H 2150 1500 50  0001 C CNN
+F 3 "http://www.ti.com/lit/gpn/sn74hc00" H 2150 1500 50  0001 C CNN
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+	1    0    0    -1  
+$EndComp
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+$Comp
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+F 3 "" H 3500 3050 50  0001 C CNN
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+$EndComp
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+Wire Wire Line
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+Wire Wire Line
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+Connection ~ 3050 4350
+Text Label 2600 4350 0    50   ~ 0
+MOSI
+Text Label 700  2650 0    50   ~ 0
+CLK
+Wire Wire Line
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+Wire Wire Line
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+CS0
+Wire Wire Line
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+F 2 "" H 5000 1950 50  0001 C CNN
+F 3 "https://assets.nexperia.com/documents/data-sheet/74HC_HCT165.pdf" H 5000 1950 50  0001 C CNN
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+$EndComp
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+F 2 "" H 5000 3050 50  0001 C CNN
+F 3 "" H 5000 3050 50  0001 C CNN
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+Wire Wire Line
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+$Comp
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+F 2 "" H 2150 2000 50  0001 C CNN
+F 3 "" H 2150 2000 50  0001 C CNN
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+Text Label 2850 1550 0    50   ~ 0
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+Text Label 2850 1650 0    50   ~ 0
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+F 2 "" H 6500 1950 50  0001 C CNN
+F 3 "https://assets.nexperia.com/documents/data-sheet/74HC_HCT165.pdf" H 6500 1950 50  0001 C CNN
+	1    6500 1950
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
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+$Comp
+L Device:LED D?
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+$EndComp
+Wire Wire Line
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+$Comp
+L Device:R R?
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+$Comp
+L Device:LED D?
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+F 3 "~" H 10000 5050 50  0001 C CNN
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+$EndComp
+Wire Wire Line
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+L Device:LED D?
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+	1    10000 5350
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+$EndComp
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+$Comp
+L Device:LED D?
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+F 0 "D?" H 10050 5550 50  0000 C CNN
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+F 3 "~" H 10000 5650 50  0001 C CNN
+	1    10000 5650
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+$Comp
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+$Comp
+L Device:LED D?
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+L Device:LED D?
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+F 0 "#PWR?" H 9600 3950 50  0001 C CNN
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+F 2 "" H 9600 4100 50  0001 C CNN
+F 3 "" H 9600 4100 50  0001 C CNN
+	1    9600 4100
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+Wire Wire Line
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+L Switch:SW_Push SW?
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+F 0 "SW?" H 8350 1200 50  0000 C CNN
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+	1    8150 1100
+	1    0    0    -1  
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+	0    -1   -1   0   
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+	1    8150 1300
+	0    -1   -1   0   
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+L Switch:SW_Push SW?
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+L Switch:SW_Push SW?
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+F 0 "SW?" H 8350 2500 50  0000 C CNN
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+F 0 "R?" V 8400 2600 50  0000 C CNN
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+F 3 "~" H 8550 2600 50  0001 C CNN
+	1    8550 2600
+	0    -1   -1   0   
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+F 0 "C?" V 8000 2600 50  0000 C CNN
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+F 2 "" H 8188 2450 50  0001 C CNN
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+	1    8150 2600
+	0    -1   -1   0   
+$EndComp
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+L Switch:SW_Push SW?
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+F 0 "SW?" H 8350 3150 50  0000 C CNN
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+	0    -1   -1   0   
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+F 0 "C?" V 8000 3250 50  0000 C CNN
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+	0    -1   -1   0   
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Connection ~ 8800 2600
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+F 0 "#PWR?" H 7800 950 50  0001 C CNN
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+F 2 "" H 7800 1100 50  0001 C CNN
+F 3 "" H 7800 1100 50  0001 C CNN
+	1    7800 1100
+	1    0    0    -1  
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+L power:GND #PWR?
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+F 0 "#PWR?" H 8800 3100 50  0001 C CNN
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+F 2 "" H 8800 3350 50  0001 C CNN
+F 3 "" H 8800 3350 50  0001 C CNN
+	1    8800 3350
+	1    0    0    -1  
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+F 0 "SW?" H 10100 1200 50  0000 C CNN
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+	1    9900 1100
+	1    0    0    -1  
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+F 3 "~" H 10300 1300 50  0001 C CNN
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+	0    -1   -1   0   
+$EndComp
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+	1    9900 1300
+	0    -1   -1   0   
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+L Switch:SW_Push SW?
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+F 0 "SW?" H 10100 1850 50  0000 C CNN
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+$EndComp
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+F 3 "~" H 10300 1950 50  0001 C CNN
+	1    10300 1950
+	0    -1   -1   0   
+$EndComp
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+L Device:C C?
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+F 0 "C?" V 9750 1950 50  0000 C CNN
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+F 2 "" H 9938 1800 50  0001 C CNN
+F 3 "~" H 9900 1950 50  0001 C CNN
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+	0    -1   -1   0   
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+Wire Wire Line
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+L Switch:SW_Push SW?
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+F 0 "SW?" H 10100 2500 50  0000 C CNN
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+F 2 "" H 9900 2600 50  0001 C CNN
+F 3 "~" H 9900 2600 50  0001 C CNN
+	1    9900 2400
+	1    0    0    -1  
+$EndComp
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+F 0 "R?" V 10150 2600 50  0000 C CNN
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+F 3 "~" H 10300 2600 50  0001 C CNN
+	1    10300 2600
+	0    -1   -1   0   
+$EndComp
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+L Device:C C?
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+F 0 "C?" V 9750 2600 50  0000 C CNN
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+F 2 "" H 9938 2450 50  0001 C CNN
+F 3 "~" H 9900 2600 50  0001 C CNN
+	1    9900 2600
+	0    -1   -1   0   
+$EndComp
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+Wire Wire Line
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+Wire Wire Line
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+L Switch:SW_Push SW?
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+F 0 "SW?" H 10100 3150 50  0000 C CNN
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+	1    9900 3050
+	1    0    0    -1  
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+F 3 "~" H 10300 3250 50  0001 C CNN
+	1    10300 3250
+	0    -1   -1   0   
+$EndComp
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+L Device:C C?
+U 1 1 618393FE
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+F 0 "C?" V 9750 3250 50  0000 C CNN
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+F 2 "" H 9938 3100 50  0001 C CNN
+F 3 "~" H 9900 3250 50  0001 C CNN
+	1    9900 3250
+	0    -1   -1   0   
+$EndComp
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+Wire Wire Line
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+Wire Wire Line
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+Connection ~ 10550 3250
+Wire Wire Line
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+$Comp
+L power:+3.3V #PWR?
+U 1 1 61839421
+P 9550 1100
+F 0 "#PWR?" H 9550 950 50  0001 C CNN
+F 1 "+3.3V" H 9565 1273 50  0000 C CNN
+F 2 "" H 9550 1100 50  0001 C CNN
+F 3 "" H 9550 1100 50  0001 C CNN
+	1    9550 1100
+	1    0    0    -1  
+$EndComp
+$Comp
+L power:GND #PWR?
+U 1 1 6183942B
+P 10550 3350
+F 0 "#PWR?" H 10550 3100 50  0001 C CNN
+F 1 "GND" H 10555 3177 50  0000 C CNN
+F 2 "" H 10550 3350 50  0001 C CNN
+F 3 "" H 10550 3350 50  0001 C CNN
+	1    10550 3350
+	1    0    0    -1  
+$EndComp
+Text Label 8500 1100 0    50   ~ 0
+b0
+Text Label 8500 1750 0    50   ~ 0
+b1
+Text Label 8500 2400 0    50   ~ 0
+b2
+Text Label 8500 3050 0    50   ~ 0
+b3
+Text Label 10300 1100 0    50   ~ 0
+b4
+Text Label 10300 1750 0    50   ~ 0
+b5
+Text Label 10300 2400 0    50   ~ 0
+b6
+Text Label 10300 3050 0    50   ~ 0
+b7
+Entry Wire Line
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+Entry Wire Line
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+Entry Wire Line
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+Entry Wire Line
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+Entry Wire Line
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+Entry Wire Line
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+Entry Wire Line
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+Entry Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Bus Line
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+Wire Bus Line
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+Connection ~ 8950 700 
+Text Label 8450 700  0    50   ~ 0
+b[0..23]
+Wire Wire Line
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+Wire Bus Line
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+Wire Bus Line
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+Wire Bus Line
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+Wire Bus Line
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+Wire Bus Line
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+Wire Bus Line
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+Wire Bus Line
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+Wire Bus Line
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+Wire Bus Line
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+$EndSCHEMATC