unified_retro_keyboard/hardware/interface-ascii-atmega2560/interface-ascii-2560.sch

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EESchema Schematic File Version 4
EELAYER 30 0
EELAYER END
$Descr USLedger 17000 11000
encoding utf-8
Sheet 1 1
Title "Unified Retro Keyboard ASCII Interface (2560)"
Date "2021-08-08"
Rev "3.6"
Comp "OSIWeb.org"
Comment1 "Main Keyboard Interface"
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L Connector_Generic:Conn_01x16 J2
U 1 1 5BCB9E1D
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F 0 "J2" H 1210 8710 50 0000 C CNN
F 1 "Apple 1" H 1415 7875 50 0000 C CNN
F 2 "Package_DIP:DIP-16_W7.62mm_Socket" H 1200 7900 50 0001 C CNN
F 3 "~" H 1200 7900 50 0001 C CNN
1 1200 7900
-1 0 0 -1
$EndComp
Text Label 13750 3200 0 50 ~ 0
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Row5
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Row6
Text Label 13750 2900 0 50 ~ 0
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Text Label 13750 3300 0 50 ~ 0
Row3
Text Label 13750 3400 0 50 ~ 0
Row2
Text Label 13750 3500 0 50 ~ 0
Row1
Text Label 13750 3600 0 50 ~ 0
Row0
Text Label 13750 2100 0 50 ~ 0
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Text Label 13750 2200 0 50 ~ 0
Col6
Text Label 13750 2300 0 50 ~ 0
Col5
Text Label 13750 2400 0 50 ~ 0
Col4
Text Label 13750 2500 0 50 ~ 0
Col3
Text Label 13750 2600 0 50 ~ 0
Col2
Text Label 13750 2700 0 50 ~ 0
Col1
Text Label 13750 2800 0 50 ~ 0
Col0
$Comp
L Connector_Generic:Conn_01x16 J1
U 1 1 5D9AB54A
P 1200 5700
F 0 "J1" H 1200 6510 50 0000 C CNN
F 1 "Apple 2" H 1425 5655 50 0000 C CNN
F 2 "Package_DIP:DIP-16_W7.62mm_Socket" H 1200 5700 50 0001 C CNN
F 3 "~" H 1200 5700 50 0001 C CNN
1 1200 5700
-1 0 0 -1
$EndComp
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D2
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~STROBE
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Text Label 1500 7300 0 50 ~ 0
D3
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D6
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D5
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Text Label 1500 5600 0 50 ~ 0
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Wire Wire Line
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$Comp
L Diode:1N4148 D17
U 1 1 5D9CCE74
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F 1 "1N4148" H 15050 2045 40 0001 C CNN
F 2 "Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal" H 15050 2025 50 0001 C CNN
F 3 "https://assets.nexperia.com/documents/data-sheet/1N4148_1N4448.pdf" H 15050 2200 50 0001 C CNN
1 15050 2200
-1 0 0 1
$EndComp
$Comp
L Connector_Generic:Conn_02x20_Odd_Even J10
U 1 1 5D1EDC84
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F 1 "Keyboard" H 14540 1900 50 0000 C CNN
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F 3 "~" H 14500 3000 50 0001 C CNN
1 14500 3000
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$EndComp
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
13600 3400 14300 3400
Wire Wire Line
13600 3300 14300 3300
Wire Wire Line
13600 3100 14300 3100
Wire Wire Line
13600 3000 14300 3000
Wire Wire Line
13600 2900 14300 2900
Wire Wire Line
13600 2800 14300 2800
Wire Wire Line
13600 2700 14300 2700
Wire Wire Line
13600 2500 14300 2500
Wire Wire Line
13600 2400 14300 2400
Wire Wire Line
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Text Label 15465 3000 0 50 ~ 0
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$Comp
L Device:C C5
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F 1 "0.1 uF" H 10915 9465 50 0000 L CNN
F 2 "Capacitor_THT:C_Disc_D3.0mm_W1.6mm_P2.50mm" H 10938 9400 50 0001 C CNN
F 3 "~" H 10900 9550 50 0001 C CNN
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Entry Wire Line
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Entry Wire Line
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Text Label 13750 3700 0 50 ~ 0
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Entry Wire Line
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Entry Wire Line
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Entry Wire Line
13500 2600 13600 2500
Entry Wire Line
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Entry Wire Line
13500 2800 13600 2700
Entry Wire Line
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Entry Wire Line
13500 3400 13600 3300
Entry Wire Line
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Entry Wire Line
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Entry Wire Line
13500 2200 13600 2100
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Entry Wire Line
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Entry Wire Line
13500 3200 13600 3100
Entry Wire Line
13500 3300 13600 3200
Entry Wire Line
13500 3700 13600 3600
$Comp
L Device:C C6
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F 0 "C6" H 11305 9630 50 0000 L CNN
F 1 "0.1 uF" H 11315 9465 50 0000 L CNN
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F 3 "~" H 11300 9550 50 0001 C CNN
1 11300 9550
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$EndComp
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Text Label 15620 7200 0 50 ~ 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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Wire Wire Line
15800 7000 15300 7000
Wire Wire Line
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Wire Wire Line
15610 7300 15800 7300
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
14900 6600 15000 6600
Entry Wire Line
15800 6700 15900 6600
Entry Wire Line
15800 6600 15900 6500
Entry Wire Line
15800 6900 15900 6800
Entry Wire Line
15800 6800 15900 6700
Entry Wire Line
15800 7100 15900 7000
Entry Wire Line
15800 7000 15900 6900
Entry Wire Line
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Entry Wire Line
15800 7200 15900 7100
$Comp
L Diode:1N4148 D27
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F 3 "https://assets.nexperia.com/documents/data-sheet/1N4148_1N4448.pdf" H 15460 7300 50 0001 C CNN
1 15460 7300
1 0 0 1
$EndComp
$Comp
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F 1 "1N4148" H 15258 7140 50 0001 C CNN
F 2 "Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal" H 15460 6925 50 0001 C CNN
F 3 "https://assets.nexperia.com/documents/data-sheet/1N4148_1N4448.pdf" H 15460 7100 50 0001 C CNN
1 15460 7100
1 0 0 1
$EndComp
$Comp
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U 1 1 5DF87A8E
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F 2 "Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal" H 15460 6725 50 0001 C CNN
F 3 "https://assets.nexperia.com/documents/data-sheet/1N4148_1N4448.pdf" H 15460 6900 50 0001 C CNN
1 15460 6900
1 0 0 1
$EndComp
$Comp
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U 1 1 5DF6B891
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F 1 "1N4148" H 14948 7240 50 0001 C CNN
F 2 "Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal" H 15150 7025 50 0001 C CNN
F 3 "https://assets.nexperia.com/documents/data-sheet/1N4148_1N4448.pdf" H 15150 7200 50 0001 C CNN
1 15150 7200
1 0 0 1
$EndComp
$Comp
L Diode:1N4148 D22
U 1 1 5DF5903F
P 15150 7000
F 0 "D22" H 15025 6960 50 0000 C CNN
F 1 "1N4148" H 14948 7040 50 0001 C CNN
F 2 "Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal" H 15150 6825 50 0001 C CNN
F 3 "https://assets.nexperia.com/documents/data-sheet/1N4148_1N4448.pdf" H 15150 7000 50 0001 C CNN
1 15150 7000
1 0 0 1
$EndComp
$Comp
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F 0 "D20" H 15035 6550 50 0000 C CNN
F 1 "1N4148" H 15040 6470 50 0000 C CNN
F 2 "Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal" H 15150 6425 50 0001 C CNN
F 3 "https://assets.nexperia.com/documents/data-sheet/1N4148_1N4448.pdf" H 15150 6600 50 0001 C CNN
1 15150 6600
1 0 0 1
$EndComp
$Comp
L Diode:1N4148 D21
U 1 1 5DF31D18
P 15150 6800
F 0 "D21" H 15025 6750 50 0000 C CNN
F 1 "1N4148" H 14948 6840 50 0001 C CNN
F 2 "Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal" H 15150 6625 50 0001 C CNN
F 3 "https://assets.nexperia.com/documents/data-sheet/1N4148_1N4448.pdf" H 15150 6800 50 0001 C CNN
1 15150 6800
1 0 0 1
$EndComp
$Comp
L Diode:1N4148 D24
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P 15450 6700
F 0 "D24" H 15325 6660 50 0000 C CNN
F 1 "1N4148" H 15248 6740 50 0001 C CNN
F 2 "Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal" H 15450 6525 50 0001 C CNN
F 3 "https://assets.nexperia.com/documents/data-sheet/1N4148_1N4448.pdf" H 15450 6700 50 0001 C CNN
1 15450 6700
1 0 0 1
$EndComp
$Comp
L Switch:SW_DIP_x08 SW1
U 1 1 5DF0476A
P 14600 7000
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F 1 "Options" H 14600 7576 50 0000 C CNN
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F 3 "~" H 14600 7000 50 0001 C CNN
1 14600 7000
1 0 0 -1
$EndComp
Text Label 14530 6600 0 50 ~ 0
Row8
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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
13600 3900 14300 3900
Wire Wire Line
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Entry Wire Line
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Wire Wire Line
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Entry Wire Line
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Entry Wire Line
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Text Label 15445 2500 0 50 ~ 0
Col0
$Comp
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F 3 "https://assets.nexperia.com/documents/data-sheet/1N4148_1N4448.pdf" H 15055 2600 50 0001 C CNN
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-1 0 0 1
$EndComp
$Comp
L Diode:1N4148 D19
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F 3 "https://assets.nexperia.com/documents/data-sheet/1N4148_1N4448.pdf" H 15055 3000 50 0001 C CNN
1 15055 3000
-1 0 0 1
$EndComp
Wire Wire Line
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Wire Wire Line
14905 2600 14800 2600
Wire Wire Line
14905 3000 14800 3000
Text Notes 15125 3000 0 50 ~ 0
Rubout
Text Notes 15195 2590 0 50 ~ 0
@
Text Notes 15145 2190 0 50 ~ 0
Power
Entry Wire Line
15800 2200 15900 2300
Wire Wire Line
14800 2300 14815 2300
Wire Wire Line
14815 2300 14815 1915
$Comp
L power:VCC #PWR021
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P 14815 1915
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F 1 "VCC" H 14830 2088 50 0000 C CNN
F 2 "" H 14815 1915 50 0001 C CNN
F 3 "" H 14815 1915 50 0001 C CNN
1 14815 1915
1 0 0 -1
$EndComp
Wire Wire Line
14800 3100 14815 3100
Wire Wire Line
14815 3100 14815 2700
Connection ~ 14815 2300
$Comp
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P 10500 9550
F 0 "C4" H 10505 9630 50 0000 L CNN
F 1 "0.1 uF" H 10515 9465 50 0000 L CNN
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F 3 "~" H 10500 9550 50 0001 C CNN
1 10500 9550
1 0 0 -1
$EndComp
$Comp
L Device:C C3
U 1 1 5BFE9C80
P 10100 9550
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F 1 "0.1 uF" H 10110 9470 50 0000 L CNN
F 2 "Capacitor_THT:C_Disc_D3.0mm_W1.6mm_P2.50mm" H 10138 9400 50 0001 C CNN
F 3 "~" H 10100 9550 50 0001 C CNN
1 10100 9550
1 0 0 -1
$EndComp
$Comp
L Connector_Generic:Conn_01x04 J3
U 1 1 5E4CDDD4
P 1200 9400
F 0 "J3" H 1118 8975 50 0000 C CNN
F 1 "UART" H 1118 9066 50 0000 C CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Horizontal" H 1200 9400 50 0001 C CNN
F 3 "~" H 1200 9400 50 0001 C CNN
1 1200 9400
-1 0 0 -1
$EndComp
Wire Wire Line
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Text Label 1530 9400 0 50 ~ 0
Tx
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Rx
Wire Wire Line
14815 2700 14800 2700
Connection ~ 14815 2700
Wire Wire Line
14815 2700 14815 2300
Entry Wire Line
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Text Label 15450 2400 0 50 ~ 0
LED1
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LED2
Text Label 15475 3200 0 50 ~ 0
LED3
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Entry Wire Line
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Wire Wire Line
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Text Label 1500 8300 0 50 ~ 0
OUT1
Text Notes 1385 8595 0 50 ~ 0
(D7 to +5V)
NoConn ~ 1400 8400
NoConn ~ 1400 8100
NoConn ~ 1400 8200
NoConn ~ 1400 5300
NoConn ~ 1400 5800
NoConn ~ 1400 6300
NoConn ~ 1400 6400
NoConn ~ 1400 6500
Text Notes 3395 9280 0 50 ~ 0
SOL-20:\n/RESET (PIN 13) = OUT3\nBREAK (PIN 4) = OUT2 \nLOCAL (PIN 14) = OUT1\n\n\nApple 1:\nD7 on socket is tied high\n/RESET = OUT3\nCLRSCR = OUT1\n\nApple 2:\n/RESET = OUT3\n\n
$Comp
L Connector_Generic:Conn_01x20 J5
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F 3 "~" H 1300 3000 50 0001 C CNN
1 1300 3000
-1 0 0 -1
$EndComp
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Text Label 1610 2700 0 50 ~ 0
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D4
Text Label 1610 3600 0 50 ~ 0
D5
Text Label 1610 3700 0 50 ~ 0
D6
Text Label 1610 3800 0 50 ~ 0
D7
Text Label 1610 2300 0 50 ~ 0
~STROBE
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OUT3
Text Label 1610 3400 0 50 ~ 0
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$Comp
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1 0 0 -1
$EndComp
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Wire Wire Line
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Connection ~ 8100 1600
Wire Wire Line
8200 2000 8200 1600
Connection ~ 8200 1600
Wire Wire Line
8200 1600 8100 1600
Wire Wire Line
7900 2000 7900 1600
Wire Wire Line
7900 1600 8000 1600
Wire Wire Line
8000 2000 8000 1600
Connection ~ 8000 1600
Wire Wire Line
8000 1600 8100 1600
$Comp
L power:GND #PWR011
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F 1 "GND" H 4205 3677 50 0000 C CNN
F 2 "" H 4200 3850 50 0001 C CNN
F 3 "" H 4200 3850 50 0001 C CNN
1 4200 3850
1 0 0 -1
$EndComp
Wire Wire Line
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Wire Wire Line
4850 2500 4850 1950
Wire Wire Line
3550 2700 4050 2700
Wire Wire Line
7300 2700 5600 2700
Text Label 1710 1300 0 50 ~ 0
OUT3
Text Label 1715 1100 0 50 ~ 0
OUT1
$Comp
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F 3 "~" H 1300 1200 50 0001 C CNN
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-1 0 0 1
$EndComp
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OUT2
$Comp
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F 2 "" H 1900 8800 50 0001 C CNN
F 3 "" H 1900 8800 50 0001 C CNN
1 1900 8800
1 0 0 -1
$EndComp
Wire Wire Line
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Wire Wire Line
1900 8000 1900 8800
Wire Wire Line
1500 2100 2000 2100
Wire Wire Line
2000 2100 2000 3000
$Comp
L power:GND #PWR06
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P 2000 4200
F 0 "#PWR06" H 2000 3950 50 0001 C CNN
F 1 "GND" H 2005 4027 50 0000 C CNN
F 2 "" H 2000 4200 50 0001 C CNN
F 3 "" H 2000 4200 50 0001 C CNN
1 2000 4200
1 0 0 -1
$EndComp
Wire Wire Line
1500 4000 2000 4000
Connection ~ 2000 4000
Wire Wire Line
2000 4000 2000 4200
Wire Wire Line
1500 3000 2000 3000
Connection ~ 2000 3000
Wire Wire Line
2000 3000 2000 3100
Wire Wire Line
2000 3100 1500 3100
Connection ~ 2000 3100
Wire Wire Line
2000 3100 2000 4000
Wire Wire Line
1500 3900 2200 3900
Wire Wire Line
2200 3900 2200 3200
Wire Wire Line
1500 2900 2200 2900
Connection ~ 2200 2900
Wire Wire Line
2200 2900 2200 2200
Wire Wire Line
1500 2200 2200 2200
Connection ~ 2200 2200
Wire Wire Line
2200 2200 2200 2000
Wire Wire Line
1500 3200 2200 3200
Connection ~ 2200 3200
Wire Wire Line
2200 3200 2200 2900
Wire Wire Line
1500 2300 2400 2300
Wire Wire Line
1500 2400 2400 2400
Text Label 1600 2400 0 50 ~ 0
OUT2
Wire Wire Line
1500 1000 2200 1000
Wire Wire Line
2200 1000 2200 800
Wire Wire Line
1500 1400 2000 1400
Wire Wire Line
2000 1400 2000 1500
$Comp
L power:GND #PWR05
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F 2 "" H 2000 1500 50 0001 C CNN
F 3 "" H 2000 1500 50 0001 C CNN
1 2000 1500
1 0 0 -1
$EndComp
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
2400 3600 1500 3600
Wire Wire Line
2400 3700 1500 3700
Wire Wire Line
2400 3800 1500 3800
Wire Wire Line
2400 2800 1500 2800
Wire Wire Line
1400 5000 2100 5000
Wire Wire Line
2100 4800 2100 5000
Wire Wire Line
1400 5700 1900 5700
Wire Wire Line
2400 7200 1400 7200
Wire Wire Line
2400 7300 1400 7300
Wire Wire Line
2400 7400 1400 7400
Wire Wire Line
2400 7500 1400 7500
Wire Wire Line
2400 7600 1400 7600
Wire Wire Line
2400 7700 1400 7700
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
2400 7900 1400 7900
Wire Wire Line
2400 8300 1400 8300
Wire Wire Line
1400 8500 2400 8500
Wire Wire Line
2100 8600 2100 7100
Connection ~ 2100 8600
Wire Wire Line
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Wire Wire Line
2400 6000 1400 6000
Wire Wire Line
2400 6100 1400 6100
Wire Wire Line
2400 6200 1400 6200
$Comp
L Device:R_US R1
U 1 1 5E9E37FE
P 5600 1700
F 0 "R1" H 5668 1746 50 0000 L CNN
F 1 "10k" H 5668 1655 50 0000 L CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 5640 1690 50 0001 C CNN
F 3 "~" H 5600 1700 50 0001 C CNN
1 5600 1700
1 0 0 -1
$EndComp
Wire Wire Line
5600 1850 5600 2700
$Comp
L Device:Crystal Y1
U 1 1 5EA2E720
P 6350 1950
F 0 "Y1" H 6350 1682 50 0000 C CNN
F 1 "16.000 MHz" H 6350 1773 50 0000 C CNN
F 2 "Crystal:Crystal_SMD_HC49-SD_HandSoldering" H 6350 1950 50 0001 C CNN
F 3 "~" H 6350 1950 50 0001 C CNN
1 6350 1950
-1 0 0 1
$EndComp
$Comp
L Device:C C1
U 1 1 5EA513C7
P 6050 2200
F 0 "C1" H 6165 2246 50 0000 L CNN
F 1 "36pf" H 6165 2155 50 0000 L CNN
F 2 "Capacitor_THT:C_Disc_D3.0mm_W1.6mm_P2.50mm" H 6088 2050 50 0001 C CNN
F 3 "~" H 6050 2200 50 0001 C CNN
1 6050 2200
1 0 0 -1
$EndComp
$Comp
L Device:C C2
U 1 1 5EA526AF
P 6650 2200
F 0 "C2" H 6765 2246 50 0000 L CNN
F 1 "36pf" H 6765 2155 50 0000 L CNN
F 2 "Capacitor_THT:C_Disc_D3.0mm_W1.6mm_P2.50mm" H 6688 2050 50 0001 C CNN
F 3 "~" H 6650 2200 50 0001 C CNN
1 6650 2200
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR014
U 1 1 5EA55577
P 6050 2350
F 0 "#PWR014" H 6050 2100 50 0001 C CNN
F 1 "GND" H 6055 2177 50 0000 C CNN
F 2 "" H 6050 2350 50 0001 C CNN
F 3 "" H 6050 2350 50 0001 C CNN
1 6050 2350
1 0 0 -1
$EndComp
Wire Wire Line
7300 2300 7300 1550
Wire Wire Line
7300 1550 6050 1550
Wire Wire Line
6050 1550 6050 1950
Wire Wire Line
6650 2050 6650 1950
Wire Wire Line
6650 1950 7200 1950
Wire Wire Line
7200 2500 7300 2500
Wire Wire Line
6500 1950 6650 1950
Connection ~ 6650 1950
Wire Wire Line
6200 1950 6050 1950
Connection ~ 6050 1950
Wire Wire Line
6050 1950 6050 2050
Wire Wire Line
7200 1950 7200 2500
Entry Wire Line
15800 3200 15900 3300
Entry Wire Line
15800 2800 15900 2900
Entry Wire Line
10700 3600 10600 3500
Entry Wire Line
10700 4000 10600 3900
Entry Wire Line
10700 4300 10600 4200
Entry Wire Line
10700 3800 10600 3700
Entry Wire Line
10700 4100 10600 4000
Entry Wire Line
10700 3700 10600 3600
Entry Wire Line
10700 4200 10600 4100
Entry Wire Line
10700 3900 10600 3800
$Comp
L Diode:1N4148 D9
U 1 1 5E301C34
P 10150 3500
F 0 "D9" H 11000 3500 50 0000 C CNN
F 1 "1N4148" H 10090 3610 50 0000 C CNN
F 2 "unikbd:D_DO-35_SOD27_P7.62mm_Horizontal_bypassed" H 10150 3325 50 0001 C CNN
F 3 "https://assets.nexperia.com/documents/data-sheet/1N4148_1N4448.pdf" H 10150 3500 50 0001 C CNN
1 10150 3500
1 0 0 -1
$EndComp
$Comp
L Diode:1N4148 D1
U 1 1 5E36B862
P 9950 3600
F 0 "D1" H 11000 3600 50 0000 C CNN
F 1 "1N4148" H 9748 3640 50 0001 C CNN
F 2 "unikbd:D_DO-35_SOD27_P7.62mm_Horizontal_bypassed" H 9950 3425 50 0001 C CNN
F 3 "https://assets.nexperia.com/documents/data-sheet/1N4148_1N4448.pdf" H 9950 3600 50 0001 C CNN
1 9950 3600
1 0 0 -1
$EndComp
$Comp
L Diode:1N4148 D10
U 1 1 5E3942E4
P 10150 3700
F 0 "D10" H 11000 3700 50 0000 C CNN
F 1 "1N4148" H 9948 3740 50 0001 C CNN
F 2 "unikbd:D_DO-35_SOD27_P7.62mm_Horizontal_bypassed" H 10150 3525 50 0001 C CNN
F 3 "https://assets.nexperia.com/documents/data-sheet/1N4148_1N4448.pdf" H 10150 3700 50 0001 C CNN
1 10150 3700
1 0 0 -1
$EndComp
$Comp
L Diode:1N4148 D2
U 1 1 5E357678
P 9950 3800
F 0 "D2" H 11000 3800 50 0000 C CNN
F 1 "1N4148" H 9748 3840 50 0001 C CNN
F 2 "unikbd:D_DO-35_SOD27_P7.62mm_Horizontal_bypassed" H 9950 3625 50 0001 C CNN
F 3 "https://assets.nexperia.com/documents/data-sheet/1N4148_1N4448.pdf" H 9950 3800 50 0001 C CNN
1 9950 3800
1 0 0 -1
$EndComp
$Comp
L Diode:1N4148 D11
U 1 1 5E37FC86
P 10150 3900
F 0 "D11" H 11000 3900 50 0000 C CNN
F 1 "1N4148" H 9948 3940 50 0001 C CNN
F 2 "unikbd:D_DO-35_SOD27_P7.62mm_Horizontal_bypassed" H 10150 3725 50 0001 C CNN
F 3 "https://assets.nexperia.com/documents/data-sheet/1N4148_1N4448.pdf" H 10150 3900 50 0001 C CNN
1 10150 3900
1 0 0 -1
$EndComp
$Comp
L Diode:1N4148 D3
U 1 1 5E34160D
P 9950 4000
F 0 "D3" H 11000 4000 50 0000 C CNN
F 1 "1N4148" H 9748 4040 50 0001 C CNN
F 2 "unikbd:D_DO-35_SOD27_P7.62mm_Horizontal_bypassed" H 9950 3825 50 0001 C CNN
F 3 "https://assets.nexperia.com/documents/data-sheet/1N4148_1N4448.pdf" H 9950 4000 50 0001 C CNN
1 9950 4000
1 0 0 -1
$EndComp
$Comp
L Diode:1N4148 D12
U 1 1 5E32CB02
P 10150 4100
F 0 "D12" H 11000 4100 50 0000 C CNN
F 1 "1N4148" H 9948 4140 50 0001 C CNN
F 2 "unikbd:D_DO-35_SOD27_P7.62mm_Horizontal_bypassed" H 10150 3925 50 0001 C CNN
F 3 "https://assets.nexperia.com/documents/data-sheet/1N4148_1N4448.pdf" H 10150 4100 50 0001 C CNN
1 10150 4100
1 0 0 -1
$EndComp
$Comp
L Diode:1N4148 D4
U 1 1 5E316F0B
P 9950 4200
F 0 "D4" H 11000 4200 50 0000 C CNN
F 1 "1N4148" H 9748 4240 50 0001 C CNN
F 2 "unikbd:D_DO-35_SOD27_P7.62mm_Horizontal_bypassed" H 9950 4025 50 0001 C CNN
F 3 "https://assets.nexperia.com/documents/data-sheet/1N4148_1N4448.pdf" H 9950 4200 50 0001 C CNN
1 9950 4200
1 0 0 -1
$EndComp
Text Label 10480 3900 2 50 ~ 0
Row4
Text Label 10480 4000 2 50 ~ 0
Row5
Text Label 10480 4100 2 50 ~ 0
Row6
Text Label 10480 4200 2 50 ~ 0
Row7
Text Label 10480 3800 2 50 ~ 0
Row3
Text Label 10480 3700 2 50 ~ 0
Row2
Text Label 10480 3500 2 50 ~ 0
Row0
Entry Wire Line
10700 4600 10600 4500
Entry Wire Line
10700 5300 10600 5200
Entry Wire Line
10700 5200 10600 5100
Entry Wire Line
10700 5100 10600 5000
Entry Wire Line
10700 5000 10600 4900
Entry Wire Line
10700 4900 10600 4800
Entry Wire Line
10700 4800 10600 4700
Entry Wire Line
10700 4700 10600 4600
Text Label 10500 3100 2 50 ~ 0
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Text Label 10500 3000 2 50 ~ 0
Col5
Text Label 10500 2900 2 50 ~ 0
Col4
Text Label 10500 2800 2 50 ~ 0
Col3
Text Label 10500 2700 2 50 ~ 0
Col2
Text Label 10500 2600 2 50 ~ 0
Col1
Text Label 10500 2500 2 50 ~ 0
Col0
Text Label 10500 3200 2 50 ~ 0
Col7
$Comp
L Device:R_Network08_US RN1
U 1 1 5C0319BC
P 9800 1400
F 0 "RN1" H 10180 1446 50 0000 L CNN
F 1 "4.7k" H 10180 1355 50 0000 L CNN
F 2 "Resistor_THT:R_Array_SIP9" V 10275 1400 50 0001 C CNN
F 3 "http://www.vishay.com/docs/31509/csc.pdf" H 9800 1400 50 0001 C CNN
1 9800 1400
1 0 0 -1
$EndComp
Wire Wire Line
10600 3500 10300 3500
Wire Wire Line
10600 3600 10100 3600
Wire Wire Line
10300 3700 10600 3700
Wire Wire Line
10600 3800 10100 3800
Wire Wire Line
10600 3900 10300 3900
Wire Wire Line
10600 4000 10100 4000
Wire Wire Line
10600 4100 10300 4100
Wire Wire Line
10600 4200 10100 4200
Entry Wire Line
10700 2600 10600 2500
Entry Wire Line
10700 3000 10600 2900
Entry Wire Line
10700 3300 10600 3200
Entry Wire Line
10700 2800 10600 2700
Entry Wire Line
10700 3100 10600 3000
Entry Wire Line
10700 2700 10600 2600
Entry Wire Line
10700 3200 10600 3100
Entry Wire Line
10700 2900 10600 2800
$Comp
L Diode:1N4148 D13
U 1 1 5F1EFED9
P 10150 4500
F 0 "D13" H 11000 4500 50 0000 C CNN
F 1 "1N4148" H 10090 4610 50 0000 C CNN
F 2 "unikbd:D_DO-35_SOD27_P7.62mm_Horizontal_bypassed" H 10150 4325 50 0001 C CNN
F 3 "https://assets.nexperia.com/documents/data-sheet/1N4148_1N4448.pdf" H 10150 4500 50 0001 C CNN
1 10150 4500
1 0 0 -1
$EndComp