diff --git a/circuit/libraries/74HCT245N.lib b/circuit/libraries/74HCT245N.lib
new file mode 100644
index 0000000..9f62304
--- /dev/null
+++ b/circuit/libraries/74HCT245N.lib
@@ -0,0 +1,46 @@
+EESchema-LIBRARY Version 2.3
+#encoding utf-8
+#(c) SnapEDA 2016 (snapeda.com)
+#This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License (CC BY-SA) with Design Exception 1.0
+#
+# 74HCT245N
+#
+DEF 74HCT245N U 0 40 Y Y 1 L N
+F0 "U" -211 905 50 H V L BNN
+F1 "74HCT245N" -153 -1200 50 H V L BNN
+F2 "DIP254P762X420-20" 0 0 50 H I L BNN
+F3 "Nexperia" 0 0 50 H I L BNN
+F4 "None" 0 0 50 H I L BNN
+F5 "None" 0 0 50 H I L BNN
+F6 "Unavailable" 0 0 50 H I L BNN
+F7 "74HCT245N" 0 0 50 H I L BNN
+F8 "Transceiver; Dip-20; Transceiver Logic; +5 v _Typ._; +/- 0.5 Ua _Max._ @ 6 v o/p" 0 0 50 H I L BNN
+DRAW
+P 2 0 0 16 -500 800 -500 -1000 N
+P 2 0 0 16 -500 -1000 500 -1000 N
+P 2 0 0 16 500 -1000 500 800 N
+P 2 0 0 16 500 800 -500 800 N
+X VCC 20 -700 600 200 R 40 40 0 0 W 
+X DIR 1 -700 400 200 R 40 40 0 0 P 
+X ~OE 19 -700 300 200 R 40 40 0 0 I 
+X A0 2 -700 100 200 R 40 40 0 0 B 
+X A1 3 -700 0 200 R 40 40 0 0 B 
+X A2 4 -700 -100 200 R 40 40 0 0 B 
+X A3 5 -700 -200 200 R 40 40 0 0 B 
+X A4 6 -700 -300 200 R 40 40 0 0 B 
+X A5 7 -700 -400 200 R 40 40 0 0 B 
+X A6 8 -700 -500 200 R 40 40 0 0 B 
+X A7 9 -700 -600 200 R 40 40 0 0 B 
+X GND 10 -700 -800 200 R 40 40 0 0 P 
+X B0 18 700 600 200 L 40 40 0 0 B 
+X B1 17 700 500 200 L 40 40 0 0 B 
+X B2 16 700 400 200 L 40 40 0 0 B 
+X B3 15 700 300 200 L 40 40 0 0 B 
+X B4 14 700 200 200 L 40 40 0 0 B 
+X B5 13 700 100 200 L 40 40 0 0 B 
+X B6 12 700 0 200 L 40 40 0 0 B 
+X B7 11 700 -100 200 L 40 40 0 0 B 
+ENDDRAW
+ENDDEF
+#
+# End Library
\ No newline at end of file
diff --git a/circuit/libraries/74HCT245N.mod b/circuit/libraries/74HCT245N.mod
new file mode 100644
index 0000000..c77177e
--- /dev/null
+++ b/circuit/libraries/74HCT245N.mod
@@ -0,0 +1,274 @@
+PCBNEW-LibModule-V1  
+# encoding utf-8
+Units mm
+$INDEX
+DIP254P762X420-20
+$EndINDEX
+$MODULE DIP254P762X420-20
+Po 0 0 0 15 00000000 00000000 ~~
+Li DIP254P762X420-20
+Cd 
+Sc 00000000
+At STD
+Op 0 0 0
+.SolderMask 0
+.SolderPaste 0
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+$PAD
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+$EndPAD
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+$EndPAD
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diff --git a/circuit/soundboard/mainboard/_saved_mainboard.sch b/circuit/soundboard/mainboard/_saved_mainboard.sch
new file mode 100644
index 0000000..307cb78
--- /dev/null
+++ b/circuit/soundboard/mainboard/_saved_mainboard.sch
@@ -0,0 +1,1172 @@
+EESchema Schematic File Version 4
+EELAYER 26 0
+EELAYER END
+$Descr A3 16535 11693
+encoding utf-8
+Sheet 1 1
+Title "MainBoard"
+Date "2019-01-25"
+Rev "V_01"
+Comp "FlippR_ChillR"
+Comment1 ""
+Comment2 ""
+Comment3 ""
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+$EndDescr
+$Comp
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+	1    8500 3900
+	1    0    0    -1  
+$EndComp
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+$EndComp
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+$EndComp
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+$EndComp
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+	-1   0    0    1   
+$EndComp
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+$EndComp
+Wire Wire Line
+	9300 3300 9900 3300
+Wire Wire Line
+	9300 3400 9800 3400
+Wire Wire Line
+	9800 3400 9800 2500
+$Comp
+L power:GND #PWR0108
+U 1 1 5C4AA76D
+P 10200 1700
+F 0 "#PWR0108" H 10200 1450 50  0001 C CNN
+F 1 "GND" H 10205 1527 50  0000 C CNN
+F 2 "" H 10200 1700 50  0001 C CNN
+F 3 "" H 10200 1700 50  0001 C CNN
+	1    10200 1700
+	1    0    0    -1  
+$EndComp
+$Comp
+L power:+3.3V #PWR0109
+U 1 1 5C4AA7B7
+P 9500 1700
+F 0 "#PWR0109" H 9500 1550 50  0001 C CNN
+F 1 "+3.3V" H 9515 1873 50  0000 C CNN
+F 2 "" H 9500 1700 50  0001 C CNN
+F 3 "" H 9500 1700 50  0001 C CNN
+	1    9500 1700
+	-1   0    0    1   
+$EndComp
+$Comp
+L power:+5V #PWR0110
+U 1 1 5C4AA817
+P 9600 1700
+F 0 "#PWR0110" H 9600 1550 50  0001 C CNN
+F 1 "+5V" H 9615 1873 50  0000 C CNN
+F 2 "" H 9600 1700 50  0001 C CNN
+F 3 "" H 9600 1700 50  0001 C CNN
+	1    9600 1700
+	-1   0    0    1   
+$EndComp
+Wire Wire Line
+	9800 2500 9800 1700
+Wire Wire Line
+	9900 2500 9900 1700
+Connection ~ 9900 2500
+Wire Wire Line
+	14500 4800 13300 4800
+Wire Wire Line
+	12700 5000 13100 5000
+$Comp
+L power:GND #PWR0111
+U 1 1 5C4AC26A
+P 11700 4500
+F 0 "#PWR0111" H 11700 4250 50  0001 C CNN
+F 1 "GND" V 11705 4372 50  0000 R CNN
+F 2 "" H 11700 4500 50  0001 C CNN
+F 3 "" H 11700 4500 50  0001 C CNN
+	1    11700 4500
+	0    1    1    0   
+$EndComp
+Wire Wire Line
+	12100 5300 12200 5300
+$Comp
+L power:GND #PWR0112
+U 1 1 5C4AC6FA
+P 12200 5300
+F 0 "#PWR0112" H 12200 5050 50  0001 C CNN
+F 1 "GND" H 12205 5127 50  0000 C CNN
+F 2 "" H 12200 5300 50  0001 C CNN
+F 3 "" H 12200 5300 50  0001 C CNN
+	1    12200 5300
+	1    0    0    -1  
+$EndComp
+Connection ~ 12200 5300
+Wire Wire Line
+	11700 4300 10400 4300
+Wire Wire Line
+	10400 4300 10400 6400
+Wire Wire Line
+	10400 6400 7300 6400
+Wire Wire Line
+	7300 6400 7300 3500
+Wire Wire Line
+	7300 3500 7700 3500
+Wire Wire Line
+	11700 4200 10300 4200
+Wire Wire Line
+	10300 4200 10300 6300
+Wire Wire Line
+	10300 6300 7400 6300
+Wire Wire Line
+	7400 6300 7400 3100
+Wire Wire Line
+	7400 3100 7700 3100
+Wire Wire Line
+	11700 4100 10200 4100
+Wire Wire Line
+	10200 4100 10200 6200
+Wire Wire Line
+	10200 6200 7500 6200
+Wire Wire Line
+	7500 6200 7500 3000
+Wire Wire Line
+	7500 3000 7700 3000
+Wire Wire Line
+	12700 4700 13400 4700
+Wire Wire Line
+	12700 4600 13500 4600
+Wire Wire Line
+	12700 4400 13000 4400
+Wire Wire Line
+	13350 4400 13350 2650
+Wire Wire Line
+	13350 2650 14050 2650
+Wire Wire Line
+	12700 4500 13500 4500
+Wire Wire Line
+	13500 4500 13500 4250
+Wire Wire Line
+	13500 2750 14050 2750
+Text Label 13650 2650 0    50   ~ 0
+Row_0
+Text Label 13650 2750 0    50   ~ 0
+Row_1
+Text Label 13200 4700 0    50   ~ 0
+Row_3
+Text Label 13200 4600 0    50   ~ 0
+Row_2
+Text Label 13200 4800 0    50   ~ 0
+Row_4
+Text Label 13200 4900 0    50   ~ 0
+Row_5
+Text Label 13200 5000 0    50   ~ 0
+Row_6
+$Comp
+L power:+3.3V #PWR0113
+U 1 1 5C4B31EF
+P 12300 3900
+F 0 "#PWR0113" H 12300 3750 50  0001 C CNN
+F 1 "+3.3V" H 12315 4073 50  0000 C CNN
+F 2 "" H 12300 3900 50  0001 C CNN
+F 3 "" H 12300 3900 50  0001 C CNN
+	1    12300 3900
+	1    0    0    -1  
+$EndComp
+$Comp
+L Device:R R2
+U 1 1 5C4B349D
+P 13100 5400
+F 0 "R2" H 13030 5354 50  0000 R CNN
+F 1 "4,7K" H 13030 5445 50  0000 R CNN
+F 2 "Resistor_THT:R_Axial_DIN0411_L9.9mm_D3.6mm_P25.40mm_Horizontal" V 13030 5400 50  0001 C CNN
+F 3 "~" H 13100 5400 50  0001 C CNN
+	1    13100 5400
+	-1   0    0    1   
+$EndComp
+$Comp
+L Device:R R4
+U 1 1 5C4B3760
+P 13200 5400
+F 0 "R4" H 13130 5354 50  0000 R CNN
+F 1 "4,7K" H 13130 5445 50  0000 R CNN
+F 2 "Resistor_THT:R_Axial_DIN0411_L9.9mm_D3.6mm_P25.40mm_Horizontal" V 13130 5400 50  0001 C CNN
+F 3 "~" H 13200 5400 50  0001 C CNN
+	1    13200 5400
+	-1   0    0    1   
+$EndComp
+$Comp
+L Device:R R6
+U 1 1 5C4B378A
+P 13300 5400
+F 0 "R6" H 13230 5354 50  0000 R CNN
+F 1 "4,7K" H 13230 5445 50  0000 R CNN
+F 2 "Resistor_THT:R_Axial_DIN0411_L9.9mm_D3.6mm_P25.40mm_Horizontal" V 13230 5400 50  0001 C CNN
+F 3 "~" H 13300 5400 50  0001 C CNN
+	1    13300 5400
+	-1   0    0    1   
+$EndComp
+$Comp
+L Device:R R8
+U 1 1 5C4B37BA
+P 13400 5400
+F 0 "R8" H 13330 5354 50  0000 R CNN
+F 1 "4,7K" H 13330 5445 50  0000 R CNN
+F 2 "Resistor_THT:R_Axial_DIN0411_L9.9mm_D3.6mm_P25.40mm_Horizontal" V 13330 5400 50  0001 C CNN
+F 3 "~" H 13400 5400 50  0001 C CNN
+	1    13400 5400
+	-1   0    0    1   
+$EndComp
+$Comp
+L Device:R R10
+U 1 1 5C4B37E8
+P 13500 5400
+F 0 "R10" H 13430 5354 50  0000 R CNN
+F 1 "4,7K" H 13430 5445 50  0000 R CNN
+F 2 "Resistor_THT:R_Axial_DIN0411_L9.9mm_D3.6mm_P25.40mm_Horizontal" V 13430 5400 50  0001 C CNN
+F 3 "~" H 13500 5400 50  0001 C CNN
+	1    13500 5400
+	-1   0    0    1   
+$EndComp
+$Comp
+L Device:R R1
+U 1 1 5C4B3818
+P 13000 4250
+F 0 "R1" H 12930 4204 50  0000 R CNN
+F 1 "4,7K" H 12930 4295 50  0000 R CNN
+F 2 "Resistor_THT:R_Axial_DIN0411_L9.9mm_D3.6mm_P25.40mm_Horizontal" V 12930 4250 50  0001 C CNN
+F 3 "~" H 13000 4250 50  0001 C CNN
+	1    13000 4250
+	-1   0    0    1   
+$EndComp
+Connection ~ 13000 4400
+Wire Wire Line
+	13000 4400 13350 4400
+$Comp
+L Device:R R13
+U 1 1 5C4B3890
+P 13650 4250
+F 0 "R13" V 13857 4250 50  0000 C CNN
+F 1 "4,7K" V 13766 4250 50  0000 C CNN
+F 2 "Resistor_THT:R_Axial_DIN0411_L9.9mm_D3.6mm_P25.40mm_Horizontal" V 13580 4250 50  0001 C CNN
+F 3 "~" H 13650 4250 50  0001 C CNN
+	1    13650 4250
+	0    -1   -1   0   
+$EndComp
+Connection ~ 13500 4250
+Wire Wire Line
+	13500 4250 13500 2750
+$Comp
+L power:GND #PWR0114
+U 1 1 5C4B392E
+P 13000 4100
+F 0 "#PWR0114" H 13000 3850 50  0001 C CNN
+F 1 "GND" H 13005 3927 50  0000 C CNN
+F 2 "" H 13000 4100 50  0001 C CNN
+F 3 "" H 13000 4100 50  0001 C CNN
+	1    13000 4100
+	-1   0    0    1   
+$EndComp
+$Comp
+L power:GND #PWR0115
+U 1 1 5C4B39AA
+P 13800 4250
+F 0 "#PWR0115" H 13800 4000 50  0001 C CNN
+F 1 "GND" V 13805 4122 50  0000 R CNN
+F 2 "" H 13800 4250 50  0001 C CNN
+F 3 "" H 13800 4250 50  0001 C CNN
+	1    13800 4250
+	0    -1   -1   0   
+$EndComp
+$Comp
+L power:GND #PWR0116
+U 1 1 5C4B3A38
+P 13300 5550
+F 0 "#PWR0116" H 13300 5300 50  0001 C CNN
+F 1 "GND" H 13305 5377 50  0000 C CNN
+F 2 "" H 13300 5550 50  0001 C CNN
+F 3 "" H 13300 5550 50  0001 C CNN
+	1    13300 5550
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	13100 5550 13200 5550
+Connection ~ 13200 5550
+Wire Wire Line
+	13200 5550 13300 5550
+Connection ~ 13300 5550
+Wire Wire Line
+	13300 5550 13400 5550
+Connection ~ 13400 5550
+Wire Wire Line
+	13400 5550 13500 5550
+Wire Wire Line
+	13100 5250 13100 5000
+Connection ~ 13100 5000
+Wire Wire Line
+	12700 4900 13200 4900
+Wire Wire Line
+	13200 5250 13200 5000
+Connection ~ 13200 4900
+Wire Wire Line
+	13200 4900 14500 4900
+Wire Wire Line
+	13200 5000 13200 4900
+Wire Wire Line
+	13100 5000 13200 5000
+Wire Wire Line
+	13300 5250 13300 4800
+Connection ~ 13300 4800
+Wire Wire Line
+	13300 4800 12700 4800
+Wire Wire Line
+	13400 5250 13400 4700
+Connection ~ 13400 4700
+Wire Wire Line
+	13400 4700 14500 4700
+Wire Wire Line
+	13500 5250 13500 4600
+Connection ~ 13500 4600
+Wire Wire Line
+	13500 4600 14500 4600
+Wire Wire Line
+	14500 5700 14200 5700
+Wire Wire Line
+	14200 5700 14200 6850
+Wire Wire Line
+	14200 6850 13400 6850
+Wire Wire Line
+	12650 7050 13200 7050
+Wire Wire Line
+	14300 7050 14300 5900
+Wire Wire Line
+	14300 5900 14500 5900
+Wire Wire Line
+	11650 6550 10000 6550
+Wire Wire Line
+	10000 6550 10000 4100
+Wire Wire Line
+	12650 7150 13100 7150
+Wire Wire Line
+	14350 7150 14350 6000
+Wire Wire Line
+	14350 6000 14500 6000
+Wire Wire Line
+	12650 6950 13300 6950
+Wire Wire Line
+	14250 6950 14250 5800
+Wire Wire Line
+	14250 5800 14500 5800
+$Comp
+L power:GND #PWR0117
+U 1 1 5C4C1F45
+P 11650 6650
+F 0 "#PWR0117" H 11650 6400 50  0001 C CNN
+F 1 "GND" V 11655 6522 50  0000 R CNN
+F 2 "" H 11650 6650 50  0001 C CNN
+F 3 "" H 11650 6650 50  0001 C CNN
+	1    11650 6650
+	0    1    1    0   
+$EndComp
+Wire Wire Line
+	11700 4600 11700 4500
+Connection ~ 11700 4500
+Wire Wire Line
+	12050 7350 12150 7350
+$Comp
+L power:GND #PWR0118
+U 1 1 5C4C53CA
+P 12150 7350
+F 0 "#PWR0118" H 12150 7100 50  0001 C CNN
+F 1 "GND" H 12155 7177 50  0000 C CNN
+F 2 "" H 12150 7350 50  0001 C CNN
+F 3 "" H 12150 7350 50  0001 C CNN
+	1    12150 7350
+	1    0    0    -1  
+$EndComp
+Connection ~ 12150 7350
+Connection ~ 13200 5000
+Wire Wire Line
+	13200 5000 14500 5000
+Wire Wire Line
+	11650 6350 7000 6350
+Wire Wire Line
+	7000 6350 7000 4400
+Wire Wire Line
+	7000 4400 7700 4400
+Wire Wire Line
+	11650 6250 6900 6250
+Wire Wire Line
+	6900 6250 6900 4300
+Wire Wire Line
+	6900 4300 7700 4300
+Wire Wire Line
+	11650 6150 6800 6150
+Wire Wire Line
+	6800 6150 6800 4200
+Wire Wire Line
+	12650 6750 13500 6750
+Wire Wire Line
+	14150 6750 14150 5600
+Wire Wire Line
+	14150 5600 14500 5600
+Wire Wire Line
+	12650 6450 13800 6450
+Wire Wire Line
+	14000 6450 14000 5300
+Wire Wire Line
+	14000 5300 14500 5300
+Wire Wire Line
+	12650 6550 13700 6550
+Wire Wire Line
+	14050 6550 14050 5400
+Wire Wire Line
+	14050 5400 14500 5400
+Wire Wire Line
+	14500 5500 14100 5500
+Wire Wire Line
+	14100 5500 14100 6650
+Wire Wire Line
+	14100 6650 13600 6650
+$Comp
+L power:+3.3V #PWR0119
+U 1 1 5C4F4417
+P 12250 5950
+F 0 "#PWR0119" H 12250 5800 50  0001 C CNN
+F 1 "+3.3V" H 12265 6123 50  0000 C CNN
+F 2 "" H 12250 5950 50  0001 C CNN
+F 3 "" H 12250 5950 50  0001 C CNN
+	1    12250 5950
+	1    0    0    -1  
+$EndComp
+$Comp
+L Device:R R3
+U 1 1 5C4F4ADA
+P 13100 7550
+F 0 "R3" H 13170 7596 50  0000 L CNN
+F 1 "3.3" H 13170 7505 50  0000 L CNN
+F 2 "Resistor_THT:R_Axial_DIN0411_L9.9mm_D3.6mm_P25.40mm_Horizontal" V 13030 7550 50  0001 C CNN
+F 3 "~" H 13100 7550 50  0001 C CNN
+	1    13100 7550
+	1    0    0    -1  
+$EndComp
+$Comp
+L Device:R R5
+U 1 1 5C4F4B8E
+P 13200 7550
+F 0 "R5" H 13270 7596 50  0000 L CNN
+F 1 "3.3" H 13270 7505 50  0000 L CNN
+F 2 "Resistor_THT:R_Axial_DIN0411_L9.9mm_D3.6mm_P25.40mm_Horizontal" V 13130 7550 50  0001 C CNN
+F 3 "~" H 13200 7550 50  0001 C CNN
+	1    13200 7550
+	1    0    0    -1  
+$EndComp
+$Comp
+L Device:R R7
+U 1 1 5C4F4BD2
+P 13300 7550
+F 0 "R7" H 13370 7596 50  0000 L CNN
+F 1 "3.3" H 13370 7505 50  0000 L CNN
+F 2 "Resistor_THT:R_Axial_DIN0411_L9.9mm_D3.6mm_P25.40mm_Horizontal" V 13230 7550 50  0001 C CNN
+F 3 "~" H 13300 7550 50  0001 C CNN
+	1    13300 7550
+	1    0    0    -1  
+$EndComp
+$Comp
+L Device:R R9
+U 1 1 5C4F4C14
+P 13400 7550
+F 0 "R9" H 13470 7596 50  0000 L CNN
+F 1 "3.3" H 13470 7505 50  0000 L CNN
+F 2 "Resistor_THT:R_Axial_DIN0411_L9.9mm_D3.6mm_P25.40mm_Horizontal" V 13330 7550 50  0001 C CNN
+F 3 "~" H 13400 7550 50  0001 C CNN
+	1    13400 7550
+	1    0    0    -1  
+$EndComp
+$Comp
+L Device:R R11
+U 1 1 5C4F4C50
+P 13500 7550
+F 0 "R11" H 13570 7596 50  0000 L CNN
+F 1 "3.3" H 13570 7505 50  0000 L CNN
+F 2 "Resistor_THT:R_Axial_DIN0411_L9.9mm_D3.6mm_P25.40mm_Horizontal" V 13430 7550 50  0001 C CNN
+F 3 "~" H 13500 7550 50  0001 C CNN
+	1    13500 7550
+	1    0    0    -1  
+$EndComp
+$Comp
+L Device:R R12
+U 1 1 5C4F4C8E
+P 13600 7550
+F 0 "R12" H 13670 7596 50  0000 L CNN
+F 1 "3.3" H 13670 7505 50  0000 L CNN
+F 2 "Resistor_THT:R_Axial_DIN0411_L9.9mm_D3.6mm_P25.40mm_Horizontal" V 13530 7550 50  0001 C CNN
+F 3 "~" H 13600 7550 50  0001 C CNN
+	1    13600 7550
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	13100 7400 13100 7150
+Connection ~ 13100 7150
+Wire Wire Line
+	13100 7150 14350 7150
+Wire Wire Line
+	13200 7400 13200 7050
+Connection ~ 13200 7050
+Wire Wire Line
+	13200 7050 14300 7050
+Wire Wire Line
+	13300 7400 13300 6950
+Connection ~ 13300 6950
+Wire Wire Line
+	13300 6950 14250 6950
+Wire Wire Line
+	13400 7400 13400 6850
+Connection ~ 13400 6850
+Wire Wire Line
+	13400 6850 12650 6850
+Wire Wire Line
+	13500 7400 13500 6750
+Connection ~ 13500 6750
+Wire Wire Line
+	13500 6750 14150 6750
+Wire Wire Line
+	13600 7400 13600 6650
+Connection ~ 13600 6650
+Wire Wire Line
+	13600 6650 12650 6650
+$Comp
+L Device:R R14
+U 1 1 5C50A6D8
+P 13700 7550
+F 0 "R14" H 13770 7596 50  0000 L CNN
+F 1 "3.3" H 13770 7505 50  0000 L CNN
+F 2 "Resistor_THT:R_Axial_DIN0411_L9.9mm_D3.6mm_P25.40mm_Horizontal" V 13630 7550 50  0001 C CNN
+F 3 "~" H 13700 7550 50  0001 C CNN
+	1    13700 7550
+	1    0    0    -1  
+$EndComp
+$Comp
+L Device:R R15
+U 1 1 5C50A71A
+P 13800 7550
+F 0 "R15" H 13870 7596 50  0000 L CNN
+F 1 "3.3" H 13870 7505 50  0000 L CNN
+F 2 "Resistor_THT:R_Axial_DIN0411_L9.9mm_D3.6mm_P25.40mm_Horizontal" V 13730 7550 50  0001 C CNN
+F 3 "~" H 13800 7550 50  0001 C CNN
+	1    13800 7550
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	13700 7400 13700 6550
+Connection ~ 13700 6550
+Wire Wire Line
+	13700 6550 14050 6550
+Wire Wire Line
+	13800 7400 13800 6450
+Connection ~ 13800 6450
+Wire Wire Line
+	13800 6450 14000 6450
+$Comp
+L power:+3.3V #PWR0120
+U 1 1 5C514BF7
+P 13500 7700
+F 0 "#PWR0120" H 13500 7550 50  0001 C CNN
+F 1 "+3.3V" H 13515 7873 50  0000 C CNN
+F 2 "" H 13500 7700 50  0001 C CNN
+F 3 "" H 13500 7700 50  0001 C CNN
+	1    13500 7700
+	-1   0    0    1   
+$EndComp
+Wire Wire Line
+	13100 7700 13200 7700
+Connection ~ 13200 7700
+Wire Wire Line
+	13200 7700 13300 7700
+Connection ~ 13300 7700
+Wire Wire Line
+	13300 7700 13400 7700
+Connection ~ 13400 7700
+Wire Wire Line
+	13400 7700 13500 7700
+Connection ~ 13500 7700
+Wire Wire Line
+	13500 7700 13600 7700
+Connection ~ 13600 7700
+Wire Wire Line
+	13600 7700 13700 7700
+Connection ~ 13700 7700
+Wire Wire Line
+	13700 7700 13800 7700
+Wire Wire Line
+	6800 4200 7700 4200
+Wire Wire Line
+	9900 3300 9900 2500
+Connection ~ 9800 2500
+Wire Wire Line
+	10000 4100 9300 4100
+Connection ~ 8700 5200
+Wire Wire Line
+	8700 5200 8800 5200
+Connection ~ 8600 5200
+Wire Wire Line
+	8600 5200 8700 5200
+Wire Wire Line
+	8500 5200 8600 5200
+Connection ~ 8400 5200
+Connection ~ 8300 5200
+Wire Wire Line
+	8400 5200 8500 5200
+Wire Wire Line
+	8300 5200 8400 5200
+Connection ~ 8200 5200
+Wire Wire Line
+	8200 5200 8300 5200
+Wire Wire Line
+	8100 5200 8200 5200
+Connection ~ 8700 2600
+Connection ~ 8400 2600
+$Comp
+L power:+5V #PWR0121
+U 1 1 5C5440D0
+P 5150 3900
+F 0 "#PWR0121" H 5150 3750 50  0001 C CNN
+F 1 "+5V" H 5165 4073 50  0000 C CNN
+F 2 "" H 5150 3900 50  0001 C CNN
+F 3 "" H 5150 3900 50  0001 C CNN
+	1    5150 3900
+	-1   0    0    1   
+$EndComp
+$Comp
+L power:+5V #PWR0122
+U 1 1 5C544140
+P 5650 2700
+F 0 "#PWR0122" H 5650 2550 50  0001 C CNN
+F 1 "+5V" V 5665 2828 50  0000 L CNN
+F 2 "" H 5650 2700 50  0001 C CNN
+F 3 "" H 5650 2700 50  0001 C CNN
+	1    5650 2700
+	0    1    1    0   
+$EndComp
+Wire Wire Line
+	5650 3600 6500 3600
+Wire Wire Line
+	6500 3600 6500 3400
+Wire Wire Line
+	6500 3400 7700 3400
+Wire Wire Line
+	5650 3500 6550 3500
+Wire Wire Line
+	6550 3500 6550 4600
+Wire Wire Line
+	6550 4600 7700 4600
+Wire Wire Line
+	5650 3400 6450 3400
+Wire Wire Line
+	6450 3400 6450 4100
+Wire Wire Line
+	6450 4100 7700 4100
+Wire Wire Line
+	5650 3300 6400 3300
+Wire Wire Line
+	6400 3300 6400 3750
+Wire Wire Line
+	6400 3750 9300 3750
+Wire Wire Line
+	9300 3750 9300 3700
+Wire Wire Line
+	5650 3200 6350 3200
+Wire Wire Line
+	6350 3200 6350 3850
+Wire Wire Line
+	6350 3850 9300 3850
+Wire Wire Line
+	9300 3850 9300 3800
+Wire Wire Line
+	5650 3100 6300 3100
+Wire Wire Line
+	6300 3100 6300 4750
+Wire Wire Line
+	6300 4750 9300 4750
+Wire Wire Line
+	9300 4750 9300 4700
+Wire Wire Line
+	5650 3000 6250 3000
+Wire Wire Line
+	6250 3000 6250 3700
+Wire Wire Line
+	6250 3700 7700 3700
+Wire Wire Line
+	5650 2900 6200 2900
+Wire Wire Line
+	6200 2900 6200 4500
+Wire Wire Line
+	6200 4500 7700 4500
+$Comp
+L power:GND #PWR0123
+U 1 1 5C59371B
+P 5150 2300
+F 0 "#PWR0123" H 5150 2050 50  0001 C CNN
+F 1 "GND" H 5155 2127 50  0000 C CNN
+F 2 "" H 5150 2300 50  0001 C CNN
+F 3 "" H 5150 2300 50  0001 C CNN
+	1    5150 2300
+	-1   0    0    1   
+$EndComp
+$Comp
+L power:+3.3V #PWR0124
+U 1 1 5C5A2BD0
+P 4850 6150
+F 0 "#PWR0124" H 4850 6000 50  0001 C CNN
+F 1 "+3.3V" H 4865 6323 50  0000 C CNN
+F 2 "" H 4850 6150 50  0001 C CNN
+F 3 "" H 4850 6150 50  0001 C CNN
+	1    4850 6150
+	-1   0    0    1   
+$EndComp
+$Comp
+L power:+3.3V #PWR0125
+U 1 1 5C5A2C74
+P 5350 4950
+F 0 "#PWR0125" H 5350 4800 50  0001 C CNN
+F 1 "+3.3V" V 5365 5078 50  0000 L CNN
+F 2 "" H 5350 4950 50  0001 C CNN
+F 3 "" H 5350 4950 50  0001 C CNN
+	1    5350 4950
+	0    1    1    0   
+$EndComp
+Wire Wire Line
+	5350 5850 9950 5850
+Wire Wire Line
+	9950 5850 9950 4000
+Wire Wire Line
+	9950 4000 9300 4000
+Wire Wire Line
+	5350 5750 6650 5750
+Wire Wire Line
+	6650 5750 6650 3800
+Wire Wire Line
+	6650 3800 7700 3800
+Wire Wire Line
+	5350 5650 9900 5650
+Wire Wire Line
+	9900 5650 9900 4600
+Wire Wire Line
+	9900 4600 9300 4600
+Wire Wire Line
+	5350 5550 6600 5550
+Wire Wire Line
+	6600 5550 6600 3300
+Wire Wire Line
+	6600 3300 7700 3300
+Wire Wire Line
+	5350 5450 9850 5450
+Wire Wire Line
+	9850 5450 9850 3600
+Wire Wire Line
+	9850 3600 9300 3600
+Wire Wire Line
+	5350 5250 6750 5250
+Wire Wire Line
+	6750 5250 6750 3900
+Wire Wire Line
+	6750 3900 7700 3900
+$Comp
+L Connector_Generic:Conn_01x08 Next_Level_Conn1
+U 1 1 5C5DD701
+P 9800 800
+F 0 "Next_Level_Conn1" V 10017 746 50  0000 C CNN
+F 1 "Conn_01x08" V 9926 746 50  0000 C CNN
+F 2 "Connector_PinHeader_2.54mm:PinHeader_1x08_P2.54mm_Vertical" H 9800 800 50  0001 C CNN
+F 3 "~" H 9800 800 50  0001 C CNN
+	1    9800 800 
+	0    -1   -1   0   
+$EndComp
+Wire Wire Line
+	9500 1000 9500 1700
+Connection ~ 9500 1700
+Wire Wire Line
+	9600 1700 9600 1000
+Connection ~ 9600 1700
+Wire Wire Line
+	9800 1000 9800 1700
+Connection ~ 9800 1700
+Wire Wire Line
+	9900 1000 9900 1700
+Connection ~ 9900 1700
+Wire Wire Line
+	10200 1000 10200 1700
+Connection ~ 10200 1700
+$Comp
+L power:GND #PWR0126
+U 1 1 5C60D5E4
+P 4850 4550
+F 0 "#PWR0126" H 4850 4300 50  0001 C CNN
+F 1 "GND" H 4855 4377 50  0000 C CNN
+F 2 "" H 4850 4550 50  0001 C CNN
+F 3 "" H 4850 4550 50  0001 C CNN
+	1    4850 4550
+	-1   0    0    1   
+$EndComp
+Wire Wire Line
+	2950 4350 2950 5850
+Wire Wire Line
+	2950 5850 4350 5850
+Wire Wire Line
+	4350 5750 3000 5750
+Wire Wire Line
+	3000 5750 3000 3850
+Wire Wire Line
+	3000 3850 3050 3850
+Wire Wire Line
+	4350 5650 3050 5650
+Wire Wire Line
+	3050 5650 3050 4350
+Wire Wire Line
+	4350 5550 3100 5550
+Wire Wire Line
+	3100 5550 3100 3850
+Wire Wire Line
+	3100 3850 3150 3850
+Wire Wire Line
+	4350 5450 3150 5450
+Wire Wire Line
+	3150 5450 3150 4350
+Wire Wire Line
+	4350 5350 3200 5350
+Wire Wire Line
+	3200 5350 3200 3850
+Wire Wire Line
+	3200 3850 3250 3850
+Wire Wire Line
+	9300 4400 9550 4400
+Wire Wire Line
+	9550 4400 9550 5350
+Wire Wire Line
+	9550 5350 5350 5350
+Text Label 5450 5850 0    50   ~ 0
+~S1
+Text Label 5450 5750 0    50   ~ 0
+~S2
+Text Label 5450 5650 0    50   ~ 0
+~S3
+Text Label 5450 5550 0    50   ~ 0
+~S4
+Text Label 5450 5450 0    50   ~ 0
+~S5
+Text Label 5450 5350 0    50   ~ 0
+~S6
+Text Label 5450 5250 0    50   ~ 0
+~RUN
+Wire Wire Line
+	4350 5250 2150 5250
+Wire Wire Line
+	2150 5250 2150 3850
+Wire Wire Line
+	2150 3850 2550 3850
+Wire Wire Line
+	4650 3600 2850 3600
+Wire Wire Line
+	2850 3600 2850 3850
+Wire Wire Line
+	4650 3500 2800 3500
+Wire Wire Line
+	2800 3500 2800 4350
+Wire Wire Line
+	2800 4350 2850 4350
+Wire Wire Line
+	4650 3400 2950 3400
+Wire Wire Line
+	2950 3400 2950 3850
+Wire Wire Line
+	4650 3300 2400 3300
+Wire Wire Line
+	2400 3300 2400 4350
+Wire Wire Line
+	2400 4350 2550 4350
+Wire Wire Line
+	4650 3200 2650 3200
+Wire Wire Line
+	2650 3200 2650 3850
+Wire Wire Line
+	4650 3100 2600 3100
+Wire Wire Line
+	2600 3100 2600 4350
+Wire Wire Line
+	2600 4350 2650 4350
+Wire Wire Line
+	4650 3000 2750 3000
+Wire Wire Line
+	2750 3000 2750 3850
+Wire Wire Line
+	4650 2900 2700 2900
+Wire Wire Line
+	2700 2900 2700 4350
+Wire Wire Line
+	2700 4350 2750 4350
+Text Label 5750 2900 0    50   ~ 0
+~LT
+Text Label 5750 3000 0    50   ~ 0
+~D3
+Text Label 5750 3100 0    50   ~ 0
+~D2
+Text Label 5750 3200 0    50   ~ 0
+~D1
+Text Label 5750 3300 0    50   ~ 0
+~D0
+Text Label 5750 3400 0    50   ~ 0
+~A2
+Text Label 5750 3500 0    50   ~ 0
+~A1
+Text Label 5750 3600 0    50   ~ 0
+~A0
+$Comp
+L power:GND #PWR0127
+U 1 1 5C737D0D
+P 5650 2600
+F 0 "#PWR0127" H 5650 2350 50  0001 C CNN
+F 1 "GND" V 5655 2472 50  0000 R CNN
+F 2 "" H 5650 2600 50  0001 C CNN
+F 3 "" H 5650 2600 50  0001 C CNN
+	1    5650 2600
+	0    -1   -1   0   
+$EndComp
+$Comp
+L power:GND #PWR0128
+U 1 1 5C737DD1
+P 5350 4850
+F 0 "#PWR0128" H 5350 4600 50  0001 C CNN
+F 1 "GND" V 5355 4722 50  0000 R CNN
+F 2 "" H 5350 4850 50  0001 C CNN
+F 3 "" H 5350 4850 50  0001 C CNN
+	1    5350 4850
+	0    -1   -1   0   
+$EndComp
+$Comp
+L power:GND #PWR0129
+U 1 1 5C738344
+P 3350 4350
+F 0 "#PWR0129" H 3350 4100 50  0001 C CNN
+F 1 "GND" H 3355 4177 50  0000 C CNN
+F 2 "" H 3350 4350 50  0001 C CNN
+F 3 "" H 3350 4350 50  0001 C CNN
+	1    3350 4350
+	1    0    0    -1  
+$EndComp
+$Comp
+L power:GND #PWR0130
+U 1 1 5C7383B7
+P 3350 3850
+F 0 "#PWR0130" H 3350 3600 50  0001 C CNN
+F 1 "GND" H 3355 3677 50  0000 C CNN
+F 2 "" H 3350 3850 50  0001 C CNN
+F 3 "" H 3350 3850 50  0001 C CNN
+	1    3350 3850
+	-1   0    0    1   
+$EndComp
+Wire Wire Line
+	3450 4350 3450 4800
+Wire Wire Line
+	3450 4800 750  4800
+Wire Wire Line
+	750  4800 750  1100
+Wire Wire Line
+	750  1100 1150 1100
+$EndSCHEMATC
diff --git a/circuit/soundboard/mainboard/mainboard-cache.lib b/circuit/soundboard/mainboard/mainboard-cache.lib
new file mode 100644
index 0000000..dcb1a50
--- /dev/null
+++ b/circuit/soundboard/mainboard/mainboard-cache.lib
@@ -0,0 +1,434 @@
+EESchema-LIBRARY Version 2.4
+#encoding utf-8
+#
+# 74xx_74HC245
+#
+DEF 74xx_74HC245 U 0 40 Y Y 1 L N
+F0 "U" -300 650 50 H V C CNN
+F1 "74xx_74HC245" -300 -650 50 H V C CNN
+F2 "" 0 0 50 H I C CNN
+F3 "" 0 0 50 H I C CNN
+ALIAS 74HC245
+$FPLIST
+ DIP?20*
+$ENDFPLIST
+DRAW
+S -300 600 300 -600 1 1 10 f
+P 3 1 0 0 -25 -50 -25 50 25 50 N
+P 4 1 0 0 -50 -50 25 -50 25 50 50 50 N
+X A->B 1 -500 -400 200 R 50 50 1 0 I
+X GND 10 0 -800 200 U 50 50 1 0 W
+X B7 11 500 -200 200 L 50 50 1 0 T
+X B6 12 500 -100 200 L 50 50 1 0 T
+X B5 13 500 0 200 L 50 50 1 0 T
+X B4 14 500 100 200 L 50 50 1 0 T
+X B3 15 500 200 200 L 50 50 1 0 T
+X B2 16 500 300 200 L 50 50 1 0 T
+X B1 17 500 400 200 L 50 50 1 0 T
+X B0 18 500 500 200 L 50 50 1 0 T
+X CE 19 -500 -500 200 R 50 50 1 0 I I
+X A0 2 -500 500 200 R 50 50 1 0 T
+X VCC 20 0 800 200 D 50 50 1 0 W
+X A1 3 -500 400 200 R 50 50 1 0 T
+X A2 4 -500 300 200 R 50 50 1 0 T
+X A3 5 -500 200 200 R 50 50 1 0 T
+X A4 6 -500 100 200 R 50 50 1 0 T
+X A5 7 -500 0 200 R 50 50 1 0 T
+X A6 8 -500 -100 200 R 50 50 1 0 T
+X A7 9 -500 -200 200 R 50 50 1 0 T
+ENDDRAW
+ENDDEF
+#
+# Analog_Switch_CD4051B
+#
+DEF Analog_Switch_CD4051B U 0 20 Y Y 1 F N
+F0 "U" -400 650 50 H V L CNN
+F1 "Analog_Switch_CD4051B" 150 650 50 H V L CNN
+F2 "" 150 -750 50 H I L CNN
+F3 "" -20 100 50 H I C CNN
+$FPLIST
+ TSSOP*4.4x5mm*P0.65mm*
+ DIP*W7.62*
+ SOIC*3.9x9.9mm*P1.27mm*
+ SO*5.3x10.2mm*P1.27mm*
+$ENDFPLIST
+DRAW
+C -240 100 20 0 1 10 N
+C -90 100 20 0 1 10 N
+C 140 -500 20 0 1 10 N
+C 140 -400 20 0 1 10 N
+C 140 -300 20 0 1 10 N
+C 140 -200 20 0 1 10 N
+C 140 -100 20 0 1 10 N
+C 140 0 20 0 1 10 N
+C 140 100 20 0 1 10 N
+C 140 200 20 0 1 10 N
+S -400 250 -200 550 0 1 10 N
+S -400 600 400 -600 0 1 10 f
+P 2 0 1 10 -320 100 -260 100 N
+P 2 0 1 10 -220 110 -130 140 N
+P 2 0 1 10 -180 0 -205 0 N
+P 2 0 1 10 -180 10 -180 35 N
+P 2 0 1 10 -180 60 -180 85 N
+P 2 0 1 10 -180 400 -200 400 N
+P 2 0 1 10 -150 400 -125 400 N
+P 2 0 1 10 -70 110 90 200 N
+P 2 0 1 10 -70 400 -90 400 N
+P 2 0 1 10 -20 150 -20 175 N
+P 2 0 1 10 -20 200 -20 225 N
+P 2 0 1 10 -20 250 -20 275 N
+P 2 0 1 10 -20 300 -20 325 N
+P 2 0 1 10 -20 340 -20 360 N
+P 2 0 1 10 -20 380 -20 400 N
+P 2 0 1 10 -20 400 -40 400 N
+P 2 0 1 10 160 -500 230 -500 N
+P 2 0 1 10 160 -400 230 -400 N
+P 2 0 1 10 160 -300 230 -300 N
+P 2 0 1 10 160 -200 230 -200 N
+P 2 0 1 10 160 -100 230 -100 N
+P 2 0 1 10 160 0 230 0 N
+P 2 0 1 10 160 100 230 100 N
+P 2 0 1 10 160 200 230 200 N
+X X4 1 500 -200 100 L 50 50 1 1 B
+X B 10 -500 400 100 R 50 50 1 1 I
+X A 11 -500 500 100 R 50 50 1 1 I
+X X3 12 500 -100 100 L 50 50 1 1 B
+X X0 13 500 200 100 L 50 50 1 1 B
+X X1 14 500 100 100 L 50 50 1 1 B
+X X2 15 500 0 100 L 50 50 1 1 B
+X VDD 16 100 700 100 D 50 50 1 1 W
+X X6 2 500 -400 100 L 50 50 1 1 B
+X X 3 -500 100 100 R 50 50 1 1 B
+X X7 4 500 -500 100 L 50 50 1 1 B
+X X5 5 500 -300 100 L 50 50 1 1 B
+X INH 6 -500 0 100 R 50 50 1 1 I
+X VEE 7 -100 -700 100 U 50 50 1 1 W
+X VSS 8 0 -700 100 U 50 50 1 1 W
+X C 9 -500 300 100 R 50 50 1 1 I
+ENDDRAW
+ENDDEF
+#
+# Connector_Generic_Conn_01x05
+#
+DEF Connector_Generic_Conn_01x05 J 0 40 Y N 1 F N
+F0 "J" 0 300 50 H V C CNN
+F1 "Connector_Generic_Conn_01x05" 0 -300 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 -50 -195 0 -205 1 1 6 N
+S -50 -95 0 -105 1 1 6 N
+S -50 5 0 -5 1 1 6 N
+S -50 105 0 95 1 1 6 N
+S -50 205 0 195 1 1 6 N
+S -50 250 50 -250 1 1 10 f
+X Pin_1 1 -200 200 150 R 50 50 1 1 P
+X Pin_2 2 -200 100 150 R 50 50 1 1 P
+X Pin_3 3 -200 0 150 R 50 50 1 1 P
+X Pin_4 4 -200 -100 150 R 50 50 1 1 P
+X Pin_5 5 -200 -200 150 R 50 50 1 1 P
+ENDDRAW
+ENDDEF
+#
+# Connector_Generic_Conn_01x08
+#
+DEF Connector_Generic_Conn_01x08 J 0 40 Y N 1 F N
+F0 "J" 0 400 50 H V C CNN
+F1 "Connector_Generic_Conn_01x08" 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
+S -50 -395 0 -405 1 1 6 N
+S -50 -295 0 -305 1 1 6 N
+S -50 -195 0 -205 1 1 6 N
+S -50 -95 0 -105 1 1 6 N
+S -50 5 0 -5 1 1 6 N
+S -50 105 0 95 1 1 6 N
+S -50 205 0 195 1 1 6 N
+S -50 305 0 295 1 1 6 N
+S -50 350 50 -450 1 1 10 f
+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_Generic_Conn_01x20
+#
+DEF Connector_Generic_Conn_01x20 J 0 40 Y N 1 F N
+F0 "J" 0 1000 50 H V C CNN
+F1 "Connector_Generic_Conn_01x20" 0 -1100 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 -50 -995 0 -1005 1 1 6 N
+S -50 -895 0 -905 1 1 6 N
+S -50 -795 0 -805 1 1 6 N
+S -50 -695 0 -705 1 1 6 N
+S -50 -595 0 -605 1 1 6 N
+S -50 -495 0 -505 1 1 6 N
+S -50 -395 0 -405 1 1 6 N
+S -50 -295 0 -305 1 1 6 N
+S -50 -195 0 -205 1 1 6 N
+S -50 -95 0 -105 1 1 6 N
+S -50 5 0 -5 1 1 6 N
+S -50 105 0 95 1 1 6 N
+S -50 205 0 195 1 1 6 N
+S -50 305 0 295 1 1 6 N
+S -50 405 0 395 1 1 6 N
+S -50 505 0 495 1 1 6 N
+S -50 605 0 595 1 1 6 N
+S -50 705 0 695 1 1 6 N
+S -50 805 0 795 1 1 6 N
+S -50 905 0 895 1 1 6 N
+S -50 950 50 -1050 1 1 10 f
+X Pin_1 1 -200 900 150 R 50 50 1 1 P
+X Pin_10 10 -200 0 150 R 50 50 1 1 P
+X Pin_11 11 -200 -100 150 R 50 50 1 1 P
+X Pin_12 12 -200 -200 150 R 50 50 1 1 P
+X Pin_13 13 -200 -300 150 R 50 50 1 1 P
+X Pin_14 14 -200 -400 150 R 50 50 1 1 P
+X Pin_15 15 -200 -500 150 R 50 50 1 1 P
+X Pin_16 16 -200 -600 150 R 50 50 1 1 P
+X Pin_17 17 -200 -700 150 R 50 50 1 1 P
+X Pin_18 18 -200 -800 150 R 50 50 1 1 P
+X Pin_19 19 -200 -900 150 R 50 50 1 1 P
+X Pin_2 2 -200 800 150 R 50 50 1 1 P
+X Pin_20 20 -200 -1000 150 R 50 50 1 1 P
+X Pin_3 3 -200 700 150 R 50 50 1 1 P
+X Pin_4 4 -200 600 150 R 50 50 1 1 P
+X Pin_5 5 -200 500 150 R 50 50 1 1 P
+X Pin_6 6 -200 400 150 R 50 50 1 1 P
+X Pin_7 7 -200 300 150 R 50 50 1 1 P
+X Pin_8 8 -200 200 150 R 50 50 1 1 P
+X Pin_9 9 -200 100 150 R 50 50 1 1 P
+ENDDRAW
+ENDDEF
+#
+# Connector_Generic_Conn_02x10_Odd_Even
+#
+DEF Connector_Generic_Conn_02x10_Odd_Even J 0 40 Y N 1 F N
+F0 "J" 50 500 50 H V C CNN
+F1 "Connector_Generic_Conn_02x10_Odd_Even" 50 -600 50 H V C CNN
+F2 "" 0 0 50 H I C CNN
+F3 "" 0 0 50 H I C CNN
+$FPLIST
+ Connector*:*_2x??_*
+$ENDFPLIST
+DRAW
+S -50 -495 0 -505 1 1 6 N
+S -50 -395 0 -405 1 1 6 N
+S -50 -295 0 -305 1 1 6 N
+S -50 -195 0 -205 1 1 6 N
+S -50 -95 0 -105 1 1 6 N
+S -50 5 0 -5 1 1 6 N
+S -50 105 0 95 1 1 6 N
+S -50 205 0 195 1 1 6 N
+S -50 305 0 295 1 1 6 N
+S -50 405 0 395 1 1 6 N
+S -50 450 150 -550 1 1 10 f
+S 150 -495 100 -505 1 1 6 N
+S 150 -395 100 -405 1 1 6 N
+S 150 -295 100 -305 1 1 6 N
+S 150 -195 100 -205 1 1 6 N
+S 150 -95 100 -105 1 1 6 N
+S 150 5 100 -5 1 1 6 N
+S 150 105 100 95 1 1 6 N
+S 150 205 100 195 1 1 6 N
+S 150 305 100 295 1 1 6 N
+S 150 405 100 395 1 1 6 N
+X Pin_1 1 -200 400 150 R 50 50 1 1 P
+X Pin_10 10 300 0 150 L 50 50 1 1 P
+X Pin_11 11 -200 -100 150 R 50 50 1 1 P
+X Pin_12 12 300 -100 150 L 50 50 1 1 P
+X Pin_13 13 -200 -200 150 R 50 50 1 1 P
+X Pin_14 14 300 -200 150 L 50 50 1 1 P
+X Pin_15 15 -200 -300 150 R 50 50 1 1 P
+X Pin_16 16 300 -300 150 L 50 50 1 1 P
+X Pin_17 17 -200 -400 150 R 50 50 1 1 P
+X Pin_18 18 300 -400 150 L 50 50 1 1 P
+X Pin_19 19 -200 -500 150 R 50 50 1 1 P
+X Pin_2 2 300 400 150 L 50 50 1 1 P
+X Pin_20 20 300 -500 150 L 50 50 1 1 P
+X Pin_3 3 -200 300 150 R 50 50 1 1 P
+X Pin_4 4 300 300 150 L 50 50 1 1 P
+X Pin_5 5 -200 200 150 R 50 50 1 1 P
+X Pin_6 6 300 200 150 L 50 50 1 1 P
+X Pin_7 7 -200 100 150 R 50 50 1 1 P
+X Pin_8 8 300 100 150 L 50 50 1 1 P
+X Pin_9 9 -200 0 150 R 50 50 1 1 P
+ENDDRAW
+ENDDEF
+#
+# Connector_Raspberry_Pi_2_3
+#
+DEF Connector_Raspberry_Pi_2_3 J 0 40 Y Y 1 F N
+F0 "J" -700 1250 50 H V L BNN
+F1 "Connector_Raspberry_Pi_2_3" 400 -1250 50 H V L TNN
+F2 "" 0 0 50 H I C CNN
+F3 "" 0 0 50 H I C CNN
+$FPLIST
+ PinHeader*2x20*P2.54mm*Vertical*
+ PinSocket*2x20*P2.54mm*Vertical*
+$ENDFPLIST
+DRAW
+S -700 1200 700 -1200 0 1 10 f
+S -665 -690 -700 -710 1 1 0 N
+S -665 -590 -700 -610 1 1 0 N
+S -665 -490 -700 -510 1 1 0 N
+S -665 -390 -700 -410 1 1 0 N
+S -665 -290 -700 -310 1 1 0 N
+S -665 -190 -700 -210 1 1 0 N
+S -665 10 -700 -10 1 1 0 N
+S -665 110 -700 90 1 1 0 N
+S -665 210 -700 190 1 1 0 N
+S -665 410 -700 390 1 1 0 N
+S -665 510 -700 490 1 1 0 N
+S -665 610 -700 590 1 1 0 N
+S -665 810 -700 790 1 1 0 N
+S -665 910 -700 890 1 1 0 N
+S -410 -1165 -390 -1200 1 1 0 N
+S -310 -1165 -290 -1200 1 1 0 N
+S -210 -1165 -190 -1200 1 1 0 N
+S -210 1200 -190 1165 1 1 0 N
+S -110 -1165 -90 -1200 1 1 0 N
+S -110 1200 -90 1165 1 1 0 N
+S -10 -1165 10 -1200 1 1 0 N
+S 90 -1165 110 -1200 1 1 0 N
+S 90 1200 110 1165 1 1 0 N
+S 190 -1165 210 -1200 1 1 0 N
+S 190 1200 210 1165 1 1 0 N
+S 290 -1165 310 -1200 1 1 0 N
+S 700 -790 665 -810 1 1 0 N
+S 700 -690 665 -710 1 1 0 N
+S 700 -490 665 -510 1 1 0 N
+S 700 -390 665 -410 1 1 0 N
+S 700 -290 665 -310 1 1 0 N
+S 700 -190 665 -210 1 1 0 N
+S 700 -90 665 -110 1 1 0 N
+S 700 110 665 90 1 1 0 N
+S 700 210 665 190 1 1 0 N
+S 700 310 665 290 1 1 0 N
+S 700 510 665 490 1 1 0 N
+S 700 610 665 590 1 1 0 N
+S 700 810 665 790 1 1 0 N
+S 700 910 665 890 1 1 0 N
+X 3V3 1 100 1300 100 D 50 50 1 1 W
+X GPIO15/RXD 10 -800 800 100 R 50 50 1 1 B
+X GPIO17 11 -800 500 100 R 50 50 1 1 B
+X GPIO18/PWM0 12 -800 400 100 R 50 50 1 1 B
+X GPIO27 13 -800 -700 100 R 50 50 1 1 B
+X GND 14 -200 -1300 100 U 50 50 1 1 W
+X GPIO22 15 -800 -200 100 R 50 50 1 1 B
+X GPIO23 16 -800 -300 100 R 50 50 1 1 B
+X 3V3 17 200 1300 100 D 50 50 1 1 W
+X GPIO24 18 -800 -400 100 R 50 50 1 1 B
+X MOSI0/GPIO10 19 800 -400 100 L 50 50 1 1 B
+X 5V 2 -200 1300 100 D 50 50 1 1 W
+X GND 20 -100 -1300 100 U 50 50 1 1 W
+X MISO0/GPIO9 21 800 -300 100 L 50 50 1 1 B
+X GPIO25 22 -800 -500 100 R 50 50 1 1 B
+X SCLK0/GPIO11 23 800 -500 100 L 50 50 1 1 B
+X ~CE0~/GPIO8 24 800 -200 100 L 50 50 1 1 B
+X GND 25 0 -1300 100 U 50 50 1 1 W
+X ~CE1~/GPIO7 26 800 -100 100 L 50 50 1 1 B
+X ID_SD/GPIO0 27 800 900 100 L 50 50 1 1 B
+X ID_SC/GPIO1 28 800 800 100 L 50 50 1 1 B
+X GCLK1/GPIO5 29 800 200 100 L 50 50 1 1 B
+X SDA/GPIO2 3 800 600 100 L 50 50 1 1 B
+X GND 30 100 -1300 100 U 50 50 1 1 W
+X GCLK2/GPIO6 31 800 100 100 L 50 50 1 1 B
+X PWM0/GPIO12 32 800 -700 100 L 50 50 1 1 B
+X PWM1/GPIO13 33 800 -800 100 L 50 50 1 1 B
+X GND 34 200 -1300 100 U 50 50 1 1 W
+X GPIO19/MISO1 35 -800 200 100 R 50 50 1 1 B
+X GPIO16 36 -800 600 100 R 50 50 1 1 B
+X GPIO26 37 -800 -600 100 R 50 50 1 1 B
+X GPIO20/MOSI1 38 -800 100 100 R 50 50 1 1 B
+X GND 39 300 -1300 100 U 50 50 1 1 W
+X 5V 4 -100 1300 100 D 50 50 1 1 W
+X GPIO21/SCLK1 40 -800 0 100 R 50 50 1 1 B
+X SCL/GPIO3 5 800 500 100 L 50 50 1 1 B
+X GND 6 -400 -1300 100 U 50 50 1 1 W
+X GCLK0/GPIO4 7 800 300 100 L 50 50 1 1 B
+X GPIO14/TXD 8 -800 900 100 R 50 50 1 1 B
+X GND 9 -300 -1300 100 U 50 50 1 1 W
+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
+#
+# power_+3.3V
+#
+DEF power_+3.3V #PWR 0 0 Y Y 1 F P
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+F3 "" 0 0 50 H I C CNN
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+DRAW
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+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_+5V
+#
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+F3 "" 0 0 50 H I C CNN
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+P 2 0 1 0 0 100 30 50 N
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+ENDDRAW
+ENDDEF
+#
+# power_GND
+#
+DEF power_GND #PWR 0 0 Y Y 1 F P
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+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/circuit/soundboard/mainboard/mainboard.bak b/circuit/soundboard/mainboard/mainboard.bak
new file mode 100644
index 0000000..10346f9
--- /dev/null
+++ b/circuit/soundboard/mainboard/mainboard.bak
@@ -0,0 +1,1142 @@
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+Wire Wire Line
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+Wire Wire Line
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+F 2 "" H 11700 4500 50  0001 C CNN
+F 3 "" H 11700 4500 50  0001 C CNN
+	1    11700 4500
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+F 2 "" H 12200 5300 50  0001 C CNN
+F 3 "" H 12200 5300 50  0001 C CNN
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+	1    12300 3900
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+$Comp
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+$Comp
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+$Comp
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diff --git a/circuit/soundboard/mainboard/mainboard.kicad_pcb b/circuit/soundboard/mainboard/mainboard.kicad_pcb
new file mode 100644
index 0000000..02c8ecb
--- /dev/null
+++ b/circuit/soundboard/mainboard/mainboard.kicad_pcb
@@ -0,0 +1 @@
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diff --git a/circuit/soundboard/mainboard/mainboard.pro b/circuit/soundboard/mainboard/mainboard.pro
new file mode 100644
index 0000000..152769c
--- /dev/null
+++ b/circuit/soundboard/mainboard/mainboard.pro
@@ -0,0 +1,33 @@
+update=22/05/2015 07:44:53
+version=1
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diff --git a/circuit/soundboard/mainboard/mainboard.sch b/circuit/soundboard/mainboard/mainboard.sch
new file mode 100644
index 0000000..f6c057b
--- /dev/null
+++ b/circuit/soundboard/mainboard/mainboard.sch
@@ -0,0 +1,1172 @@
+EESchema Schematic File Version 4
+EELAYER 26 0
+EELAYER END
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+encoding utf-8
+Sheet 1 1
+Title "MainBoard"
+Date "2019-01-25"
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+	-1   0    0    1   
+$EndComp
+$Comp
+L power:+5V #PWR0106
+U 1 1 5C4A9DC6
+P 9600 2500
+F 0 "#PWR0106" H 9600 2350 50  0001 C CNN
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+F 2 "" H 9600 2500 50  0001 C CNN
+F 3 "" H 9600 2500 50  0001 C CNN
+	1    9600 2500
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+$EndComp
+$Comp
+L power:GND #PWR0107
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+F 0 "#PWR0107" H 10200 2250 50  0001 C CNN
+F 1 "GND" H 10205 2327 50  0000 C CNN
+F 2 "" H 10200 2500 50  0001 C CNN
+F 3 "" H 10200 2500 50  0001 C CNN
+	1    10200 2500
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
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+Wire Wire Line
+	9300 3400 9800 3400
+Wire Wire Line
+	9800 3400 9800 2500
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+L power:GND #PWR0108
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+F 0 "#PWR0108" H 10200 1450 50  0001 C CNN
+F 1 "GND" H 10205 1527 50  0000 C CNN
+F 2 "" H 10200 1700 50  0001 C CNN
+F 3 "" H 10200 1700 50  0001 C CNN
+	1    10200 1700
+	1    0    0    -1  
+$EndComp
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+L power:+3.3V #PWR0109
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+P 9500 1700
+F 0 "#PWR0109" H 9500 1550 50  0001 C CNN
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+F 2 "" H 9500 1700 50  0001 C CNN
+F 3 "" H 9500 1700 50  0001 C CNN
+	1    9500 1700
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+$EndComp
+$Comp
+L power:+5V #PWR0110
+U 1 1 5C4AA817
+P 9600 1700
+F 0 "#PWR0110" H 9600 1550 50  0001 C CNN
+F 1 "+5V" H 9615 1873 50  0000 C CNN
+F 2 "" H 9600 1700 50  0001 C CNN
+F 3 "" H 9600 1700 50  0001 C CNN
+	1    9600 1700
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+$EndComp
+Wire Wire Line
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+Wire Wire Line
+	9900 2500 9900 1700
+Connection ~ 9900 2500
+Wire Wire Line
+	14500 4800 13300 4800
+Wire Wire Line
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+L power:GND #PWR0111
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+F 0 "#PWR0111" H 11700 4250 50  0001 C CNN
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+F 2 "" H 11700 4500 50  0001 C CNN
+F 3 "" H 11700 4500 50  0001 C CNN
+	1    11700 4500
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+$EndComp
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+L power:GND #PWR0112
+U 1 1 5C4AC6FA
+P 12200 5300
+F 0 "#PWR0112" H 12200 5050 50  0001 C CNN
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+F 2 "" H 12200 5300 50  0001 C CNN
+F 3 "" H 12200 5300 50  0001 C CNN
+	1    12200 5300
+	1    0    0    -1  
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+L power:+3.3V #PWR0113
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+F 0 "#PWR0113" H 12300 3750 50  0001 C CNN
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+F 2 "" H 12300 3900 50  0001 C CNN
+F 3 "" H 12300 3900 50  0001 C CNN
+	1    12300 3900
+	1    0    0    -1  
+$EndComp
+$Comp
+L Device:R R2
+U 1 1 5C4B349D
+P 13100 5400
+F 0 "R2" H 13030 5354 50  0000 R CNN
+F 1 "4,7K" H 13030 5445 50  0000 R CNN
+F 2 "" V 13030 5400 50  0001 C CNN
+F 3 "~" H 13100 5400 50  0001 C CNN
+	1    13100 5400
+	-1   0    0    1   
+$EndComp
+$Comp
+L Device:R R4
+U 1 1 5C4B3760
+P 13200 5400
+F 0 "R4" H 13130 5354 50  0000 R CNN
+F 1 "4,7K" H 13130 5445 50  0000 R CNN
+F 2 "" V 13130 5400 50  0001 C CNN
+F 3 "~" H 13200 5400 50  0001 C CNN
+	1    13200 5400
+	-1   0    0    1   
+$EndComp
+$Comp
+L Device:R R6
+U 1 1 5C4B378A
+P 13300 5400
+F 0 "R6" H 13230 5354 50  0000 R CNN
+F 1 "4,7K" H 13230 5445 50  0000 R CNN
+F 2 "" V 13230 5400 50  0001 C CNN
+F 3 "~" H 13300 5400 50  0001 C CNN
+	1    13300 5400
+	-1   0    0    1   
+$EndComp
+$Comp
+L Device:R R8
+U 1 1 5C4B37BA
+P 13400 5400
+F 0 "R8" H 13330 5354 50  0000 R CNN
+F 1 "4,7K" H 13330 5445 50  0000 R CNN
+F 2 "" V 13330 5400 50  0001 C CNN
+F 3 "~" H 13400 5400 50  0001 C CNN
+	1    13400 5400
+	-1   0    0    1   
+$EndComp
+$Comp
+L Device:R R10
+U 1 1 5C4B37E8
+P 13500 5400
+F 0 "R10" H 13430 5354 50  0000 R CNN
+F 1 "4,7K" H 13430 5445 50  0000 R CNN
+F 2 "" V 13430 5400 50  0001 C CNN
+F 3 "~" H 13500 5400 50  0001 C CNN
+	1    13500 5400
+	-1   0    0    1   
+$EndComp
+$Comp
+L Device:R R1
+U 1 1 5C4B3818
+P 13000 4250
+F 0 "R1" H 12930 4204 50  0000 R CNN
+F 1 "4,7K" H 12930 4295 50  0000 R CNN
+F 2 "" V 12930 4250 50  0001 C CNN
+F 3 "~" H 13000 4250 50  0001 C CNN
+	1    13000 4250
+	-1   0    0    1   
+$EndComp
+Connection ~ 13000 4400
+Wire Wire Line
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+$Comp
+L Device:R R13
+U 1 1 5C4B3890
+P 13650 4250
+F 0 "R13" V 13857 4250 50  0000 C CNN
+F 1 "4,7K" V 13766 4250 50  0000 C CNN
+F 2 "" V 13580 4250 50  0001 C CNN
+F 3 "~" H 13650 4250 50  0001 C CNN
+	1    13650 4250
+	0    -1   -1   0   
+$EndComp
+Connection ~ 13500 4250
+Wire Wire Line
+	13500 4250 13500 2750
+$Comp
+L power:GND #PWR0114
+U 1 1 5C4B392E
+P 13000 4100
+F 0 "#PWR0114" H 13000 3850 50  0001 C CNN
+F 1 "GND" H 13005 3927 50  0000 C CNN
+F 2 "" H 13000 4100 50  0001 C CNN
+F 3 "" H 13000 4100 50  0001 C CNN
+	1    13000 4100
+	-1   0    0    1   
+$EndComp
+$Comp
+L power:GND #PWR0115
+U 1 1 5C4B39AA
+P 13800 4250
+F 0 "#PWR0115" H 13800 4000 50  0001 C CNN
+F 1 "GND" V 13805 4122 50  0000 R CNN
+F 2 "" H 13800 4250 50  0001 C CNN
+F 3 "" H 13800 4250 50  0001 C CNN
+	1    13800 4250
+	0    -1   -1   0   
+$EndComp
+$Comp
+L power:GND #PWR0116
+U 1 1 5C4B3A38
+P 13300 5550
+F 0 "#PWR0116" H 13300 5300 50  0001 C CNN
+F 1 "GND" H 13305 5377 50  0000 C CNN
+F 2 "" H 13300 5550 50  0001 C CNN
+F 3 "" H 13300 5550 50  0001 C CNN
+	1    13300 5550
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	13100 5550 13200 5550
+Connection ~ 13200 5550
+Wire Wire Line
+	13200 5550 13300 5550
+Connection ~ 13300 5550
+Wire Wire Line
+	13300 5550 13400 5550
+Connection ~ 13400 5550
+Wire Wire Line
+	13400 5550 13500 5550
+Wire Wire Line
+	13100 5250 13100 5000
+Connection ~ 13100 5000
+Wire Wire Line
+	12700 4900 13200 4900
+Wire Wire Line
+	13200 5250 13200 5000
+Connection ~ 13200 4900
+Wire Wire Line
+	13200 4900 14500 4900
+Wire Wire Line
+	13200 5000 13200 4900
+Wire Wire Line
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+Wire Wire Line
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+Connection ~ 13300 4800
+Wire Wire Line
+	13300 4800 12700 4800
+Wire Wire Line
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+Connection ~ 13400 4700
+Wire Wire Line
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+Wire Wire Line
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+Connection ~ 13500 4600
+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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+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
+	14350 7150 14350 6000
+Wire Wire Line
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+Wire Wire Line
+	12650 6950 13300 6950
+Wire Wire Line
+	14250 6950 14250 5800
+Wire Wire Line
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+$Comp
+L power:GND #PWR0117
+U 1 1 5C4C1F45
+P 11650 6650
+F 0 "#PWR0117" H 11650 6400 50  0001 C CNN
+F 1 "GND" V 11655 6522 50  0000 R CNN
+F 2 "" H 11650 6650 50  0001 C CNN
+F 3 "" H 11650 6650 50  0001 C CNN
+	1    11650 6650
+	0    1    1    0   
+$EndComp
+Wire Wire Line
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+Connection ~ 11700 4500
+Wire Wire Line
+	12050 7350 12150 7350
+$Comp
+L power:GND #PWR0118
+U 1 1 5C4C53CA
+P 12150 7350
+F 0 "#PWR0118" H 12150 7100 50  0001 C CNN
+F 1 "GND" H 12155 7177 50  0000 C CNN
+F 2 "" H 12150 7350 50  0001 C CNN
+F 3 "" H 12150 7350 50  0001 C CNN
+	1    12150 7350
+	1    0    0    -1  
+$EndComp
+Connection ~ 12150 7350
+Connection ~ 13200 5000
+Wire Wire Line
+	13200 5000 14500 5000
+Wire Wire Line
+	11650 6350 7000 6350
+Wire Wire Line
+	7000 6350 7000 4400
+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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+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
+	12650 6450 13800 6450
+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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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+L power:+3.3V #PWR0119
+U 1 1 5C4F4417
+P 12250 5950
+F 0 "#PWR0119" H 12250 5800 50  0001 C CNN
+F 1 "+3.3V" H 12265 6123 50  0000 C CNN
+F 2 "" H 12250 5950 50  0001 C CNN
+F 3 "" H 12250 5950 50  0001 C CNN
+	1    12250 5950
+	1    0    0    -1  
+$EndComp
+$Comp
+L Device:R R3
+U 1 1 5C4F4ADA
+P 13100 7550
+F 0 "R3" H 13170 7596 50  0000 L CNN
+F 1 "3.3" H 13170 7505 50  0000 L CNN
+F 2 "" V 13030 7550 50  0001 C CNN
+F 3 "~" H 13100 7550 50  0001 C CNN
+	1    13100 7550
+	1    0    0    -1  
+$EndComp
+$Comp
+L Device:R R5
+U 1 1 5C4F4B8E
+P 13200 7550
+F 0 "R5" H 13270 7596 50  0000 L CNN
+F 1 "3.3" H 13270 7505 50  0000 L CNN
+F 2 "" V 13130 7550 50  0001 C CNN
+F 3 "~" H 13200 7550 50  0001 C CNN
+	1    13200 7550
+	1    0    0    -1  
+$EndComp
+$Comp
+L Device:R R7
+U 1 1 5C4F4BD2
+P 13300 7550
+F 0 "R7" H 13370 7596 50  0000 L CNN
+F 1 "3.3" H 13370 7505 50  0000 L CNN
+F 2 "" V 13230 7550 50  0001 C CNN
+F 3 "~" H 13300 7550 50  0001 C CNN
+	1    13300 7550
+	1    0    0    -1  
+$EndComp
+$Comp
+L Device:R R9
+U 1 1 5C4F4C14
+P 13400 7550
+F 0 "R9" H 13470 7596 50  0000 L CNN
+F 1 "3.3" H 13470 7505 50  0000 L CNN
+F 2 "" V 13330 7550 50  0001 C CNN
+F 3 "~" H 13400 7550 50  0001 C CNN
+	1    13400 7550
+	1    0    0    -1  
+$EndComp
+$Comp
+L Device:R R11
+U 1 1 5C4F4C50
+P 13500 7550
+F 0 "R11" H 13570 7596 50  0000 L CNN
+F 1 "3.3" H 13570 7505 50  0000 L CNN
+F 2 "" V 13430 7550 50  0001 C CNN
+F 3 "~" H 13500 7550 50  0001 C CNN
+	1    13500 7550
+	1    0    0    -1  
+$EndComp
+$Comp
+L Device:R R12
+U 1 1 5C4F4C8E
+P 13600 7550
+F 0 "R12" H 13670 7596 50  0000 L CNN
+F 1 "3.3" H 13670 7505 50  0000 L CNN
+F 2 "" V 13530 7550 50  0001 C CNN
+F 3 "~" H 13600 7550 50  0001 C CNN
+	1    13600 7550
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	13100 7400 13100 7150
+Connection ~ 13100 7150
+Wire Wire Line
+	13100 7150 14350 7150
+Wire Wire Line
+	13200 7400 13200 7050
+Connection ~ 13200 7050
+Wire Wire Line
+	13200 7050 14300 7050
+Wire Wire Line
+	13300 7400 13300 6950
+Connection ~ 13300 6950
+Wire Wire Line
+	13300 6950 14250 6950
+Wire Wire Line
+	13400 7400 13400 6850
+Connection ~ 13400 6850
+Wire Wire Line
+	13400 6850 12650 6850
+Wire Wire Line
+	13500 7400 13500 6750
+Connection ~ 13500 6750
+Wire Wire Line
+	13500 6750 14150 6750
+Wire Wire Line
+	13600 7400 13600 6650
+Connection ~ 13600 6650
+Wire Wire Line
+	13600 6650 12650 6650
+$Comp
+L Device:R R14
+U 1 1 5C50A6D8
+P 13700 7550
+F 0 "R14" H 13770 7596 50  0000 L CNN
+F 1 "3.3" H 13770 7505 50  0000 L CNN
+F 2 "" V 13630 7550 50  0001 C CNN
+F 3 "~" H 13700 7550 50  0001 C CNN
+	1    13700 7550
+	1    0    0    -1  
+$EndComp
+$Comp
+L Device:R R15
+U 1 1 5C50A71A
+P 13800 7550
+F 0 "R15" H 13870 7596 50  0000 L CNN
+F 1 "3.3" H 13870 7505 50  0000 L CNN
+F 2 "" V 13730 7550 50  0001 C CNN
+F 3 "~" H 13800 7550 50  0001 C CNN
+	1    13800 7550
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	13700 7400 13700 6550
+Connection ~ 13700 6550
+Wire Wire Line
+	13700 6550 14050 6550
+Wire Wire Line
+	13800 7400 13800 6450
+Connection ~ 13800 6450
+Wire Wire Line
+	13800 6450 14000 6450
+$Comp
+L power:+3.3V #PWR0120
+U 1 1 5C514BF7
+P 13500 7700
+F 0 "#PWR0120" H 13500 7550 50  0001 C CNN
+F 1 "+3.3V" H 13515 7873 50  0000 C CNN
+F 2 "" H 13500 7700 50  0001 C CNN
+F 3 "" H 13500 7700 50  0001 C CNN
+	1    13500 7700
+	-1   0    0    1   
+$EndComp
+Wire Wire Line
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+Connection ~ 13200 7700
+Wire Wire Line
+	13200 7700 13300 7700
+Connection ~ 13300 7700
+Wire Wire Line
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+Connection ~ 13400 7700
+Wire Wire Line
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+Connection ~ 13500 7700
+Wire Wire Line
+	13500 7700 13600 7700
+Connection ~ 13600 7700
+Wire Wire Line
+	13600 7700 13700 7700
+Connection ~ 13700 7700
+Wire Wire Line
+	13700 7700 13800 7700
+Wire Wire Line
+	6800 4200 7700 4200
+Wire Wire Line
+	9900 3300 9900 2500
+Connection ~ 9800 2500
+Wire Wire Line
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+Connection ~ 8700 5200
+Wire Wire Line
+	8700 5200 8800 5200
+Connection ~ 8600 5200
+Wire Wire Line
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+Wire Wire Line
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+Connection ~ 8400 5200
+Connection ~ 8300 5200
+Wire Wire Line
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+Wire Wire Line
+	8300 5200 8400 5200
+Connection ~ 8200 5200
+Wire Wire Line
+	8200 5200 8300 5200
+Wire Wire Line
+	8100 5200 8200 5200
+Connection ~ 8700 2600
+Connection ~ 8400 2600
+$Comp
+L power:+5V #PWR0121
+U 1 1 5C5440D0
+P 5150 3900
+F 0 "#PWR0121" H 5150 3750 50  0001 C CNN
+F 1 "+5V" H 5165 4073 50  0000 C CNN
+F 2 "" H 5150 3900 50  0001 C CNN
+F 3 "" H 5150 3900 50  0001 C CNN
+	1    5150 3900
+	-1   0    0    1   
+$EndComp
+$Comp
+L power:+5V #PWR0122
+U 1 1 5C544140
+P 5650 2700
+F 0 "#PWR0122" H 5650 2550 50  0001 C CNN
+F 1 "+5V" V 5665 2828 50  0000 L CNN
+F 2 "" H 5650 2700 50  0001 C CNN
+F 3 "" H 5650 2700 50  0001 C CNN
+	1    5650 2700
+	0    1    1    0   
+$EndComp
+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
+	6500 3400 7700 3400
+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+$Comp
+L power:GND #PWR0123
+U 1 1 5C59371B
+P 5150 2300
+F 0 "#PWR0123" H 5150 2050 50  0001 C CNN
+F 1 "GND" H 5155 2127 50  0000 C CNN
+F 2 "" H 5150 2300 50  0001 C CNN
+F 3 "" H 5150 2300 50  0001 C CNN
+	1    5150 2300
+	-1   0    0    1   
+$EndComp
+$Comp
+L power:+3.3V #PWR0124
+U 1 1 5C5A2BD0
+P 4850 6150
+F 0 "#PWR0124" H 4850 6000 50  0001 C CNN
+F 1 "+3.3V" H 4865 6323 50  0000 C CNN
+F 2 "" H 4850 6150 50  0001 C CNN
+F 3 "" H 4850 6150 50  0001 C CNN
+	1    4850 6150
+	-1   0    0    1   
+$EndComp
+$Comp
+L power:+3.3V #PWR0125
+U 1 1 5C5A2C74
+P 5350 4950
+F 0 "#PWR0125" H 5350 4800 50  0001 C CNN
+F 1 "+3.3V" V 5365 5078 50  0000 L CNN
+F 2 "" H 5350 4950 50  0001 C CNN
+F 3 "" H 5350 4950 50  0001 C CNN
+	1    5350 4950
+	0    1    1    0   
+$EndComp
+Wire Wire Line
+	5350 5850 9950 5850
+Wire Wire Line
+	9950 5850 9950 4000
+Wire Wire Line
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+Wire Wire Line
+	5350 5750 6650 5750
+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
+	5350 5650 9900 5650
+Wire Wire Line
+	9900 5650 9900 4600
+Wire Wire Line
+	9900 4600 9300 4600
+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
+	5350 5450 9850 5450
+Wire Wire Line
+	9850 5450 9850 3600
+Wire Wire Line
+	9850 3600 9300 3600
+Wire Wire Line
+	5350 5250 6750 5250
+Wire Wire Line
+	6750 5250 6750 3900
+Wire Wire Line
+	6750 3900 7700 3900
+$Comp
+L Connector_Generic:Conn_01x08 Next_Level_Conn1
+U 1 1 5C5DD701
+P 9800 800
+F 0 "Next_Level_Conn1" V 10017 746 50  0000 C CNN
+F 1 "Conn_01x08" V 9926 746 50  0000 C CNN
+F 2 "" H 9800 800 50  0001 C CNN
+F 3 "~" H 9800 800 50  0001 C CNN
+	1    9800 800 
+	0    -1   -1   0   
+$EndComp
+Wire Wire Line
+	9500 1000 9500 1700
+Connection ~ 9500 1700
+Wire Wire Line
+	9600 1700 9600 1000
+Connection ~ 9600 1700
+Wire Wire Line
+	9800 1000 9800 1700
+Connection ~ 9800 1700
+Wire Wire Line
+	9900 1000 9900 1700
+Connection ~ 9900 1700
+Wire Wire Line
+	10200 1000 10200 1700
+Connection ~ 10200 1700
+$Comp
+L power:GND #PWR0126
+U 1 1 5C60D5E4
+P 4850 4550
+F 0 "#PWR0126" H 4850 4300 50  0001 C CNN
+F 1 "GND" H 4855 4377 50  0000 C CNN
+F 2 "" H 4850 4550 50  0001 C CNN
+F 3 "" H 4850 4550 50  0001 C CNN
+	1    4850 4550
+	-1   0    0    1   
+$EndComp
+Wire Wire Line
+	2950 4350 2950 5850
+Wire Wire Line
+	2950 5850 4350 5850
+Wire Wire Line
+	4350 5750 3000 5750
+Wire Wire Line
+	3000 5750 3000 3850
+Wire Wire Line
+	3000 3850 3050 3850
+Wire Wire Line
+	4350 5650 3050 5650
+Wire Wire Line
+	3050 5650 3050 4350
+Wire Wire Line
+	4350 5550 3100 5550
+Wire Wire Line
+	3100 5550 3100 3850
+Wire Wire Line
+	3100 3850 3150 3850
+Wire Wire Line
+	4350 5450 3150 5450
+Wire Wire Line
+	3150 5450 3150 4350
+Wire Wire Line
+	4350 5350 3200 5350
+Wire Wire Line
+	3200 5350 3200 3850
+Wire Wire Line
+	3200 3850 3250 3850
+Wire Wire Line
+	9300 4400 9550 4400
+Wire Wire Line
+	9550 4400 9550 5350
+Wire Wire Line
+	9550 5350 5350 5350
+Text Label 5450 5850 0    50   ~ 0
+~S1
+Text Label 5450 5750 0    50   ~ 0
+~S2
+Text Label 5450 5650 0    50   ~ 0
+~S3
+Text Label 5450 5550 0    50   ~ 0
+~S4
+Text Label 5450 5450 0    50   ~ 0
+~S5
+Text Label 5450 5350 0    50   ~ 0
+~S6
+Text Label 5450 5250 0    50   ~ 0
+~RUN
+Wire Wire Line
+	4350 5250 2150 5250
+Wire Wire Line
+	2150 5250 2150 3850
+Wire Wire Line
+	2150 3850 2550 3850
+Wire Wire Line
+	4650 3600 2850 3600
+Wire Wire Line
+	2850 3600 2850 3850
+Wire Wire Line
+	4650 3500 2800 3500
+Wire Wire Line
+	2800 3500 2800 4350
+Wire Wire Line
+	2800 4350 2850 4350
+Wire Wire Line
+	4650 3400 2950 3400
+Wire Wire Line
+	2950 3400 2950 3850
+Wire Wire Line
+	4650 3300 2400 3300
+Wire Wire Line
+	2400 3300 2400 4350
+Wire Wire Line
+	2400 4350 2550 4350
+Wire Wire Line
+	4650 3200 2650 3200
+Wire Wire Line
+	2650 3200 2650 3850
+Wire Wire Line
+	4650 3100 2600 3100
+Wire Wire Line
+	2600 3100 2600 4350
+Wire Wire Line
+	2600 4350 2650 4350
+Wire Wire Line
+	4650 3000 2750 3000
+Wire Wire Line
+	2750 3000 2750 3850
+Wire Wire Line
+	4650 2900 2700 2900
+Wire Wire Line
+	2700 2900 2700 4350
+Wire Wire Line
+	2700 4350 2750 4350
+Text Label 5750 2900 0    50   ~ 0
+~LT
+Text Label 5750 3000 0    50   ~ 0
+~D3
+Text Label 5750 3100 0    50   ~ 0
+~D2
+Text Label 5750 3200 0    50   ~ 0
+~D1
+Text Label 5750 3300 0    50   ~ 0
+~D0
+Text Label 5750 3400 0    50   ~ 0
+~A2
+Text Label 5750 3500 0    50   ~ 0
+~A1
+Text Label 5750 3600 0    50   ~ 0
+~A0
+$Comp
+L power:GND #PWR0127
+U 1 1 5C737D0D
+P 5650 2600
+F 0 "#PWR0127" H 5650 2350 50  0001 C CNN
+F 1 "GND" V 5655 2472 50  0000 R CNN
+F 2 "" H 5650 2600 50  0001 C CNN
+F 3 "" H 5650 2600 50  0001 C CNN
+	1    5650 2600
+	0    -1   -1   0   
+$EndComp
+$Comp
+L power:GND #PWR0128
+U 1 1 5C737DD1
+P 5350 4850
+F 0 "#PWR0128" H 5350 4600 50  0001 C CNN
+F 1 "GND" V 5355 4722 50  0000 R CNN
+F 2 "" H 5350 4850 50  0001 C CNN
+F 3 "" H 5350 4850 50  0001 C CNN
+	1    5350 4850
+	0    -1   -1   0   
+$EndComp
+$Comp
+L power:GND #PWR0129
+U 1 1 5C738344
+P 3350 4350
+F 0 "#PWR0129" H 3350 4100 50  0001 C CNN
+F 1 "GND" H 3355 4177 50  0000 C CNN
+F 2 "" H 3350 4350 50  0001 C CNN
+F 3 "" H 3350 4350 50  0001 C CNN
+	1    3350 4350
+	1    0    0    -1  
+$EndComp
+$Comp
+L power:GND #PWR0130
+U 1 1 5C7383B7
+P 3350 3850
+F 0 "#PWR0130" H 3350 3600 50  0001 C CNN
+F 1 "GND" H 3355 3677 50  0000 C CNN
+F 2 "" H 3350 3850 50  0001 C CNN
+F 3 "" H 3350 3850 50  0001 C CNN
+	1    3350 3850
+	-1   0    0    1   
+$EndComp
+Wire Wire Line
+	3450 4350 3450 4800
+Wire Wire Line
+	3450 4800 750  4800
+Wire Wire Line
+	750  4800 750  1100
+Wire Wire Line
+	750  1100 1150 1100
+$EndSCHEMATC