Apple-2-HW/unified_retro_keyboard
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unified_retro_keyboard/hardware/interface-ascii/interface-ascii.sch
Dave 594e3d7d8b Finalize layout and mounting 
- Add apple 2 mounting slots (and stretch PCB to accommodate slots
- Add pass-through holes in aligners for OSI keyboard spacers
- Move 'ESC' key next to '1' key
- Add TAB key next to Q key
- remove 'here is' and finalize "helper" keys along left side of keyboard
- move legends off of PCB traces
- update to release 1.3
2020-01-02 10:08:11 -06:00

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EESchema Schematic File Version 4
EELAYER 30 0
EELAYER END
$Descr USLetter 11000 8500
encoding utf-8
Sheet 1 1
Title "ASCII Interface for Unified Retro Keyboard"
Date "2019-08-25"
Rev "2.3"
Comp "OSIWeb.org"
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Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
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Wire Wire Line
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Connection ~ 4310 5150
Wire Wire Line
4310 5150 4460 5150
$Comp
L power:GND #PWR02
U 1 1 5DDAEC22
P 1200 7200
F 0 "#PWR02" H 1200 6950 50 0001 C CNN
F 1 "GND" H 1205 7027 50 0000 C CNN
F 2 "" H 1200 7200 50 0001 C CNN
F 3 "" H 1200 7200 50 0001 C CNN
1 1200 7200
1 0 0 -1
$EndComp
Wire Wire Line
1200 7200 1200 7000
Wire Wire Line
1200 7000 1150 7000
Text Label 1230 6800 0 50 ~ 0
Rx
Text Label 1240 6900 0 50 ~ 0
Tx
Wire Wire Line
5860 6070 5860 6510
Text Label 7550 3480 2 50 ~ 0
Col7
Text Label 7550 2780 2 50 ~ 0
Col0
Text Label 7550 2880 2 50 ~ 0
Col1
Text Label 7550 2980 2 50 ~ 0
Col2
Text Label 7550 3080 2 50 ~ 0
Col3
Text Label 7550 3180 2 50 ~ 0
Col4
Text Label 7550 3280 2 50 ~ 0
Col5
Text Label 7550 3380 2 50 ~ 0
Col6
Entry Wire Line
7800 3280 7700 3380
Entry Wire Line
7800 3180 7700 3280
Entry Wire Line
7800 3080 7700 3180
Entry Wire Line
7800 2980 7700 3080
Entry Wire Line
7800 2880 7700 2980
Entry Wire Line
7800 2780 7700 2880
Entry Wire Line
7800 2680 7700 2780
Entry Wire Line
7800 3380 7700 3480
Entry Wire Line
7800 1450 7900 1350
Entry Wire Line
7800 1550 7900 1450
Entry Wire Line
7800 1650 7900 1550
Entry Wire Line
7800 1750 7900 1650
Entry Wire Line
7800 1850 7900 1750
Entry Wire Line
7800 1950 7900 1850
Entry Wire Line
7800 2050 7900 1950
Entry Wire Line
7800 2550 7900 2450
Entry Wire Line
7800 2650 7900 2550
Entry Wire Line
7800 2750 7900 2650
Entry Wire Line
7800 1350 7900 1250
Entry Wire Line
7800 2150 7900 2050
Entry Wire Line
7800 2250 7900 2150
Entry Wire Line
7800 2350 7900 2250
Entry Wire Line
7800 2450 7900 2350
Entry Wire Line
7800 2850 7900 2750
Connection ~ 7800 4085
Wire Wire Line
6930 3180 7700 3180
Wire Wire Line
7230 3480 7700 3480
Wire Wire Line
7130 3380 7700 3380
Wire Wire Line
7030 3280 7700 3280
Wire Wire Line
6830 3080 7700 3080
Wire Wire Line
6730 2980 7700 2980
Wire Wire Line
6630 2880 7700 2880
Wire Wire Line
6530 2780 7700 2780
Wire Bus Line
7800 4085 10075 4085
$Comp
L power:+5V #PWR018
U 1 1 5DA541F3
P 6450 3395
F 0 "#PWR018" H 6450 3245 50 0001 C CNN
F 1 "+5V" H 6540 3450 50 0000 C CNN
F 2 "" H 6450 3395 50 0001 C CNN
F 3 "" H 6450 3395 50 0001 C CNN
1 6450 3395
1 0 0 -1
$EndComp
Text Label 7570 3830 2 50 ~ 0
Row0
Text Label 7570 3930 2 50 ~ 0
Row1
Text Label 7570 4030 2 50 ~ 0
Row2
Text Label 7570 4130 2 50 ~ 0
Row3
Text Label 7570 4530 2 50 ~ 0
Row7
Text Label 7570 4430 2 50 ~ 0
Row6
Text Label 7570 4330 2 50 ~ 0
Row5
Text Label 7570 4230 2 50 ~ 0
Row4
$Comp
L 74xx:74LS138 U3
U 1 1 5DE612EE
P 6450 4130
F 0 "U3" H 6210 4575 50 0000 C CNN
F 1 "74LS138" H 6655 4580 50 0000 C CNN
F 2 "Package_DIP:DIP-16_W7.62mm" H 6450 4130 50 0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74LS138" H 6450 4130 50 0001 C CNN
1 6450 4130
1 0 0 -1
$EndComp
Entry Wire Line
7800 4130 7700 4230
Entry Wire Line
7800 3830 7700 3930
Entry Wire Line
7800 4330 7700 4430
Entry Wire Line
7800 3930 7700 4030
Entry Wire Line
7800 4230 7700 4330
Entry Wire Line
7800 3730 7700 3830
Entry Wire Line
7800 4030 7700 4130
Entry Wire Line
7800 4430 7700 4530
$Comp
L 74xx:74LS138 U4
U 1 1 5DE7C3DB
P 6460 5670
F 0 "U4" H 6220 6115 50 0000 C CNN
F 1 "74LS138" H 6665 6120 50 0000 C CNN
F 2 "Package_DIP:DIP-16_W7.62mm" H 6460 5670 50 0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74LS138" H 6460 5670 50 0001 C CNN
1 6460 5670
1 0 0 -1
$EndComp
Wire Wire Line
3900 4250 5735 4250
Wire Wire Line
5735 4250 5735 3830
Wire Wire Line
5735 3830 5950 3830
Wire Wire Line
5950 3930 5785 3930
Wire Wire Line
5785 3930 5785 4350
Wire Wire Line
5785 4350 3900 4350
Wire Wire Line
5950 4030 5840 4030
Wire Wire Line
5840 4030 5840 4450
Wire Wire Line
5840 4450 3900 4450
Wire Wire Line
3900 4550 5885 4550
$Comp
L power:GND #PWR017
U 1 1 5DE8F508
P 6445 4845
F 0 "#PWR017" H 6445 4595 50 0001 C CNN
F 1 "GND" H 6305 4800 50 0000 C CNN
F 2 "" H 6445 4845 50 0001 C CNN
F 3 "" H 6445 4845 50 0001 C CNN
1 6445 4845
1 0 0 -1
$EndComp
$Comp
L power:+5V #PWR019
U 1 1 5DE8FEDD
P 6460 5070
F 0 "#PWR019" H 6460 4920 50 0001 C CNN
F 1 "+5V" H 6550 5125 50 0000 C CNN
F 2 "" H 6460 5070 50 0001 C CNN
F 3 "" H 6460 5070 50 0001 C CNN
1 6460 5070
1 0 0 -1
$EndComp
Wire Wire Line
6445 4845 6450 4845
Wire Wire Line
6450 4845 6450 4830
Connection ~ 5840 4450
Wire Wire Line
5785 5470 5785 4355
Connection ~ 5735 4250
Wire Wire Line
5860 6070 5960 6070
Wire Wire Line
5860 6070 5860 5970
Wire Wire Line
5860 5970 5960 5970
Connection ~ 5860 6070
Wire Wire Line
5885 4430 5885 4550
Wire Wire Line
5885 5870 5960 5870
Connection ~ 5885 4550
Wire Wire Line
5885 4550 5885 5870
Wire Wire Line
5885 4430 5950 4430
Wire Wire Line
5950 4530 5950 4845
Wire Wire Line
5950 4845 6445 4845
Connection ~ 6445 4845
Wire Wire Line
5950 4330 5915 4330
Wire Wire Line
5915 4330 5915 3475
Wire Wire Line
5915 3475 6450 3475
Wire Wire Line
6450 3475 6450 3395
Wire Wire Line
6450 3475 6450 3530
Connection ~ 6450 3475
Wire Wire Line
5840 5570 5960 5570
Wire Wire Line
5840 4450 5840 5570
Wire Wire Line
5785 5470 5960 5470
Wire Wire Line
5960 5370 5735 5370
Wire Wire Line
5735 4250 5735 5370
Wire Wire Line
7230 1815 7230 2010
Wire Wire Line
6730 1815 6730 2510
Wire Wire Line
6730 2510 6730 2980
Connection ~ 6730 2510
Wire Wire Line
6155 2510 6730 2510
Wire Wire Line
6930 1815 6930 2310
Wire Wire Line
6930 2310 6930 3180
Connection ~ 6930 2310
Wire Wire Line
6155 2310 6930 2310
Wire Wire Line
6830 1815 6830 2410
Wire Wire Line
6830 2410 6830 3080
Connection ~ 6830 2410
Wire Wire Line
6155 2410 6830 2410
Connection ~ 7230 2010
Wire Wire Line
6155 2010 7230 2010
Wire Wire Line
7130 1815 7130 2110
Wire Wire Line
7130 2110 7130 3380
Connection ~ 7130 2110
Wire Wire Line
6155 2110 7130 2110
Wire Wire Line
6630 1815 6630 2610
Wire Wire Line
6630 2610 6630 2880
Connection ~ 6630 2610
Wire Wire Line
6155 2610 6630 2610
Wire Wire Line
7030 1815 7030 2210
Wire Wire Line
7030 2210 7030 3280
Connection ~ 7030 2210
Wire Wire Line
6155 2210 7030 2210
Wire Wire Line
7230 2010 7230 3480
Wire Wire Line
6530 2710 6530 2780
Wire Wire Line
6530 1815 6530 2710
Connection ~ 6530 2710
Wire Wire Line
6155 2710 6530 2710
$Comp
L Device:C C4
U 1 1 5DF5B37D
P 5555 7475
F 0 "C4" H 5560 7555 50 0000 L CNN
F 1 "0.1 uF" H 5570 7390 50 0000 L CNN
F 2 "Capacitor_THT:C_Disc_D3.0mm_W1.6mm_P2.50mm" H 5593 7325 50 0001 C CNN
F 3 "~" H 5555 7475 50 0001 C CNN
1 5555 7475
1 0 0 -1
$EndComp
Wire Wire Line
5180 7325 5555 7325
Connection ~ 5180 7325
Wire Wire Line
5180 7625 5555 7625
Connection ~ 5180 7625
$Comp
L power:+5V #PWR01
U 1 1 5DFE19CD
P 1200 6650
F 0 "#PWR01" H 1200 6500 50 0001 C CNN
F 1 "+5V" H 1215 6823 50 0000 C CNN
F 2 "" H 1200 6650 50 0001 C CNN
F 3 "" H 1200 6650 50 0001 C CNN
1 1200 6650
1 0 0 -1
$EndComp
Wire Wire Line
1200 6650 1200 6700
Wire Wire Line
1200 6700 1150 6700
Text Label 9795 5500 0 50 ~ 0
Col7
Text Label 9795 5400 0 50 ~ 0
Col6
Text Label 9795 5300 0 50 ~ 0
Col5
Text Label 9795 5200 0 50 ~ 0
Col4
Text Label 9795 5100 0 50 ~ 0
Col3
Text Label 9795 5000 0 50 ~ 0
Col2
Text Label 9795 4900 0 50 ~ 0
Col1
Text Label 9795 4800 0 50 ~ 0
Col0
Wire Wire Line
9075 5100 9485 5100
Wire Wire Line
9475 4900 9075 4900
Wire Wire Line
9975 4800 9475 4800
Wire Wire Line
9975 4900 9775 4900
Wire Wire Line
9975 5000 9475 5000
Wire Wire Line
9975 5100 9785 5100
Wire Wire Line
9975 5200 9475 5200
Wire Wire Line
9785 5300 9975 5300
Wire Wire Line
9785 5500 9975 5500
Wire Wire Line
9475 5400 9975 5400
Wire Wire Line
9075 5500 9485 5500
Wire Wire Line
9075 5400 9175 5400
Wire Wire Line
9485 5300 9075 5300
Wire Wire Line
9075 5200 9175 5200
Wire Wire Line
9175 5000 9075 5000
Wire Wire Line
9075 4800 9175 4800
Entry Wire Line
9975 4900 10075 4800
Entry Wire Line
9975 4800 10075 4700
Entry Wire Line
9975 5100 10075 5000
Entry Wire Line
9975 5000 10075 4900
Entry Wire Line
9975 5300 10075 5200
Entry Wire Line
9975 5200 10075 5100
Entry Wire Line
9975 5500 10075 5400
Entry Wire Line
9975 5400 10075 5300
$Comp
L Diode:1N4148 D27
U 1 1 5DFACD33
P 9635 5500
F 0 "D27" H 9480 5550 50 0000 C CNN
F 1 "1N4148" H 9455 5600 50 0001 C CNN
F 2 "Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal" H 9635 5325 50 0001 C CNN
F 3 "https://assets.nexperia.com/documents/data-sheet/1N4148_1N4448.pdf" H 9635 5500 50 0001 C CNN
1 9635 5500
1 0 0 1
$EndComp
$Comp
L Diode:1N4148 D26
U 1 1 5DF9A8E3
P 9635 5300
F 0 "D26" H 9520 5260 50 0000 C CNN
F 1 "1N4148" H 9433 5340 50 0001 C CNN
F 2 "Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal" H 9635 5125 50 0001 C CNN
F 3 "https://assets.nexperia.com/documents/data-sheet/1N4148_1N4448.pdf" H 9635 5300 50 0001 C CNN
1 9635 5300
1 0 0 1
$EndComp
$Comp
L Diode:1N4148 D25
U 1 1 5DF87A8E
P 9635 5100
F 0 "D25" H 9510 5060 50 0000 C CNN
F 1 "1N4148" H 9433 5140 50 0001 C CNN
F 2 "Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal" H 9635 4925 50 0001 C CNN
F 3 "https://assets.nexperia.com/documents/data-sheet/1N4148_1N4448.pdf" H 9635 5100 50 0001 C CNN
1 9635 5100
1 0 0 1
$EndComp
$Comp
L Diode:1N4148 D20
U 1 1 5DF6B891
P 9325 5400
F 0 "D20" H 9200 5360 50 0000 C CNN
F 1 "1N4148" H 9123 5440 50 0001 C CNN
F 2 "Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal" H 9325 5225 50 0001 C CNN
F 3 "https://assets.nexperia.com/documents/data-sheet/1N4148_1N4448.pdf" H 9325 5400 50 0001 C CNN
1 9325 5400
1 0 0 1
$EndComp
$Comp
L Diode:1N4148 D19
U 1 1 5DF5903F
P 9325 5200
F 0 "D19" H 9200 5160 50 0000 C CNN
F 1 "1N4148" H 9123 5240 50 0001 C CNN
F 2 "Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal" H 9325 5025 50 0001 C CNN
F 3 "https://assets.nexperia.com/documents/data-sheet/1N4148_1N4448.pdf" H 9325 5200 50 0001 C CNN
1 9325 5200
1 0 0 1
$EndComp
$Comp
L Diode:1N4148 D17
U 1 1 5DF45137
P 9325 4800
F 0 "D17" H 9210 4750 50 0000 C CNN
F 1 "1N4148" H 9215 4670 50 0000 C CNN
F 2 "Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal" H 9325 4625 50 0001 C CNN
F 3 "https://assets.nexperia.com/documents/data-sheet/1N4148_1N4448.pdf" H 9325 4800 50 0001 C CNN
1 9325 4800
1 0 0 1
$EndComp
$Comp
L Diode:1N4148 D18
U 1 1 5DF31D18
P 9325 5000
F 0 "D18" H 9200 4950 50 0000 C CNN
F 1 "1N4148" H 9123 5040 50 0001 C CNN
F 2 "Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal" H 9325 4825 50 0001 C CNN
F 3 "https://assets.nexperia.com/documents/data-sheet/1N4148_1N4448.pdf" H 9325 5000 50 0001 C CNN
1 9325 5000
1 0 0 1
$EndComp
$Comp
L Diode:1N4148 D24
U 1 1 5DF29274
P 9625 4900
F 0 "D24" H 9500 4860 50 0000 C CNN
F 1 "1N4148" H 9423 4940 50 0001 C CNN
F 2 "Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal" H 9625 4725 50 0001 C CNN
F 3 "https://assets.nexperia.com/documents/data-sheet/1N4148_1N4448.pdf" H 9625 4900 50 0001 C CNN
1 9625 4900
1 0 0 1
$EndComp
$Comp
L Switch:SW_DIP_x08 SW1
U 1 1 5DF0476A
P 8775 5200
F 0 "SW1" H 8775 5867 50 0000 C CNN
F 1 "Options" H 8775 5776 50 0000 C CNN
F 2 "Button_Switch_THT:SW_DIP_SPSTx08_Piano_CTS_Series194-8MSTN_W7.62mm_P2.54mm" H 8775 5200 50 0001 C CNN
F 3 "~" H 8775 5200 50 0001 C CNN
1 8775 5200
1 0 0 -1
$EndComp
Connection ~ 10075 4085
Entry Wire Line
8200 5055 8300 5155
Wire Bus Line
8200 5055 7800 5055
Wire Wire Line
8475 4800 8300 4800
Text Label 8325 4800 0 50 ~ 0
Row8
Wire Wire Line
8300 4800 8300 4900
Wire Wire Line
8300 5500 8475 5500
Wire Wire Line
8475 5400 8300 5400
Connection ~ 8300 5400
Wire Wire Line
8300 5400 8300 5500
Wire Wire Line
8475 5300 8300 5300
Connection ~ 8300 5300
Wire Wire Line
8300 5300 8300 5400
Wire Wire Line
8475 5200 8300 5200
Connection ~ 8300 5200
Wire Wire Line
8300 5200 8300 5300
Wire Wire Line
8475 5100 8300 5100
Connection ~ 8300 5100
Wire Wire Line
8475 5000 8300 5000
Connection ~ 8300 5000
Wire Wire Line
8300 5000 8300 5100
Wire Wire Line
8475 4900 8300 4900
Connection ~ 8300 4900
Wire Wire Line
8300 4900 8300 5000
Connection ~ 7800 5055
$Comp
L Connector_Generic:Conn_01x04 J3
U 1 1 5E4CDDD4
P 950 6900
F 0 "J3" H 868 6475 50 0000 C CNN
F 1 "UART" H 868 6566 50 0000 C CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Horizontal" H 950 6900 50 0001 C CNN
F 3 "~" H 950 6900 50 0001 C CNN
1 950 6900
-1 0 0 1
$EndComp
Entry Wire Line
7800 3050 7900 2950
Entry Wire Line
7800 3150 7900 3050
Entry Wire Line
7800 2950 7900 2850
Wire Wire Line
7900 2850 8560 2850
Wire Wire Line
8560 2950 7900 2950
Wire Wire Line
7900 3050 8560 3050
Wire Wire Line
8560 3150 7900 3150
Wire Wire Line
9060 3050 9975 3050
Wire Wire Line
9060 2850 9975 2850
Wire Wire Line
9060 2950 9975 2950
Wire Wire Line
9060 3150 9975 3150
Entry Wire Line
7800 3250 7900 3150
Text Label 9595 2350 0 50 ~ 0
CAPS_LED
$Comp
L Diode:1N4148 D4
U 1 1 5E316F0B
P 7150 4530
F 0 "D4" H 7120 4190 50 0000 C CNN
F 1 "1N4148" H 6948 4570 50 0001 C CNN
F 2 "Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal" H 7150 4355 50 0001 C CNN
F 3 "https://assets.nexperia.com/documents/data-sheet/1N4148_1N4448.pdf" H 7150 4530 50 0001 C CNN
1 7150 4530
1 0 0 -1
$EndComp
$Comp
L Diode:1N4148 D12
U 1 1 5E32CB02
P 7280 4430
F 0 "D12" H 7310 3990 50 0000 C CNN
F 1 "1N4148" H 7078 4470 50 0001 C CNN
F 2 "Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal" H 7280 4255 50 0001 C CNN
F 3 "https://assets.nexperia.com/documents/data-sheet/1N4148_1N4448.pdf" H 7280 4430 50 0001 C CNN
1 7280 4430
1 0 0 -1
$EndComp
$Comp
L Diode:1N4148 D3
U 1 1 5E34160D
P 7150 4330
F 0 "D3" H 7120 3860 50 0000 C CNN
F 1 "1N4148" H 6948 4370 50 0001 C CNN
F 2 "Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal" H 7150 4155 50 0001 C CNN
F 3 "https://assets.nexperia.com/documents/data-sheet/1N4148_1N4448.pdf" H 7150 4330 50 0001 C CNN
1 7150 4330
1 0 0 -1
$EndComp
$Comp
L Diode:1N4148 D13
U 1 1 5E412853
P 7300 5370
F 0 "D13" H 7370 4570 50 0000 C CNN
F 1 "1N4148" H 7240 5480 50 0000 C CNN
F 2 "Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal" H 7300 5195 50 0001 C CNN
F 3 "https://assets.nexperia.com/documents/data-sheet/1N4148_1N4448.pdf" H 7300 5370 50 0001 C CNN
1 7300 5370
1 0 0 -1
$EndComp
$Comp
L Diode:1N4148 D8
U 1 1 5E412859
P 7170 6070
F 0 "D8" H 7150 5730 50 0000 C CNN
F 1 "1N4148" H 6968 6110 50 0001 C CNN
F 2 "Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal" H 7170 5895 50 0001 C CNN
F 3 "https://assets.nexperia.com/documents/data-sheet/1N4148_1N4448.pdf" H 7170 6070 50 0001 C CNN
1 7170 6070
1 0 0 -1
$EndComp
$Comp
L Diode:1N4148 D16
U 1 1 5E41285F
P 7310 5970
F 0 "D16" H 7370 5530 50 0000 C CNN
F 1 "1N4148" H 7108 6010 50 0001 C CNN
F 2 "Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal" H 7310 5795 50 0001 C CNN
F 3 "https://assets.nexperia.com/documents/data-sheet/1N4148_1N4448.pdf" H 7310 5970 50 0001 C CNN
1 7310 5970
1 0 0 -1
$EndComp
$Comp
L Diode:1N4148 D7
U 1 1 5E412865
P 7170 5870
F 0 "D7" H 7150 5410 50 0000 C CNN
F 1 "1N4148" H 6968 5910 50 0001 C CNN
F 2 "Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal" H 7170 5695 50 0001 C CNN
F 3 "https://assets.nexperia.com/documents/data-sheet/1N4148_1N4448.pdf" H 7170 5870 50 0001 C CNN
1 7170 5870
1 0 0 -1
$EndComp
$Comp
L Diode:1N4148 D6
U 1 1 5E41286B
P 7170 5670
F 0 "D6" H 7150 5090 50 0000 C CNN
F 1 "1N4148" H 6968 5710 50 0001 C CNN
F 2 "Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal" H 7170 5495 50 0001 C CNN
F 3 "https://assets.nexperia.com/documents/data-sheet/1N4148_1N4448.pdf" H 7170 5670 50 0001 C CNN
1 7170 5670
1 0 0 -1
$EndComp
$Comp
L Diode:1N4148 D5
U 1 1 5E412871
P 7160 5470
F 0 "D5" H 7150 4770 50 0000 C CNN
F 1 "1N4148" H 6958 5510 50 0001 C CNN
F 2 "Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal" H 7160 5295 50 0001 C CNN
F 3 "https://assets.nexperia.com/documents/data-sheet/1N4148_1N4448.pdf" H 7160 5470 50 0001 C CNN
1 7160 5470
1 0 0 -1
$EndComp
$Comp
L Diode:1N4148 D15
U 1 1 5E412877
P 7300 5770
F 0 "D15" H 7370 5210 50 0000 C CNN
F 1 "1N4148" H 7098 5810 50 0001 C CNN
F 2 "Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal" H 7300 5595 50 0001 C CNN
F 3 "https://assets.nexperia.com/documents/data-sheet/1N4148_1N4448.pdf" H 7300 5770 50 0001 C CNN
1 7300 5770
1 0 0 -1
$EndComp
$Comp
L Diode:1N4148 D14
U 1 1 5E41287D
P 7300 5570
F 0 "D14" H 7370 4890 50 0000 C CNN
F 1 "1N4148" H 7098 5610 50 0001 C CNN
F 2 "Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal" H 7300 5395 50 0001 C CNN
F 3 "https://assets.nexperia.com/documents/data-sheet/1N4148_1N4448.pdf" H 7300 5570 50 0001 C CNN
1 7300 5570
1 0 0 -1
$EndComp
Wire Wire Line
6950 3830 7120 3830
Wire Wire Line
6990 3930 6950 3930
Wire Wire Line
6950 4030 7130 4030
Wire Wire Line
6950 4130 7000 4130
Wire Wire Line
6950 4230 7130 4230
Wire Wire Line
6950 4330 7000 4330
Wire Wire Line
6950 4430 7130 4430
Wire Wire Line
6950 4530 7000 4530
Wire Wire Line
7300 4530 7700 4530
Wire Wire Line
7700 4430 7430 4430
Wire Wire Line
7300 4330 7700 4330
Wire Wire Line
7700 4230 7430 4230
Wire Wire Line
7700 4130 7300 4130
Wire Wire Line
7700 4030 7430 4030
Wire Wire Line
7290 3930 7700 3930
Wire Wire Line
7700 3830 7420 3830
Wire Wire Line
6960 5370 7150 5370
Wire Wire Line
7010 5470 6960 5470
Wire Wire Line
6960 5570 7150 5570
Wire Wire Line
7020 5670 6960 5670
Wire Wire Line
6960 5770 7150 5770
Wire Wire Line
6960 5870 7020 5870
Wire Wire Line
7160 5970 6960 5970
Wire Wire Line
6960 6070 7020 6070
Wire Wire Line
7320 6070 7700 6070
Wire Wire Line
7700 5970 7460 5970
Wire Wire Line
7700 5870 7320 5870
Wire Wire Line
7700 5770 7450 5770
Wire Wire Line
7320 5670 7700 5670
Wire Wire Line
7700 5370 7450 5370
$Comp
L Diode:1N4148 D11
U 1 1 5E37FC86
P 7280 4230
F 0 "D11" H 7310 3660 50 0000 C CNN
F 1 "1N4148" H 7078 4270 50 0001 C CNN
F 2 "Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal" H 7280 4055 50 0001 C CNN
F 3 "https://assets.nexperia.com/documents/data-sheet/1N4148_1N4448.pdf" H 7280 4230 50 0001 C CNN
1 7280 4230
1 0 0 -1
$EndComp
$Comp
L Diode:1N4148 D2
U 1 1 5E357678
P 7150 4130
F 0 "D2" H 7120 3540 50 0000 C CNN
F 1 "1N4148" H 6948 4170 50 0001 C CNN
F 2 "Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal" H 7150 3955 50 0001 C CNN
F 3 "https://assets.nexperia.com/documents/data-sheet/1N4148_1N4448.pdf" H 7150 4130 50 0001 C CNN
1 7150 4130
1 0 0 -1
$EndComp
$Comp
L Diode:1N4148 D10
U 1 1 5E3942E4
P 7280 4030
F 0 "D10" H 7310 3340 50 0000 C CNN
F 1 "1N4148" H 7078 4070 50 0001 C CNN
F 2 "Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal" H 7280 3855 50 0001 C CNN
F 3 "https://assets.nexperia.com/documents/data-sheet/1N4148_1N4448.pdf" H 7280 4030 50 0001 C CNN
1 7280 4030
1 0 0 -1
$EndComp
$Comp
L Diode:1N4148 D1
U 1 1 5E36B862
P 7140 3930
F 0 "D1" H 7120 3210 50 0000 C CNN
F 1 "1N4148" H 6938 3970 50 0001 C CNN
F 2 "Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal" H 7140 3755 50 0001 C CNN
F 3 "https://assets.nexperia.com/documents/data-sheet/1N4148_1N4448.pdf" H 7140 3930 50 0001 C CNN
1 7140 3930
1 0 0 -1
$EndComp
$Comp
L Diode:1N4148 D9
U 1 1 5E301C34
P 7270 3830
F 0 "D9" H 7310 3010 50 0000 C CNN
F 1 "1N4148" H 7210 3940 50 0000 C CNN
F 2 "Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal" H 7270 3655 50 0001 C CNN
F 3 "https://assets.nexperia.com/documents/data-sheet/1N4148_1N4448.pdf" H 7270 3830 50 0001 C CNN
1 7270 3830
1 0 0 -1
$EndComp
Wire Wire Line
7310 5470 7700 5470
Wire Wire Line
7700 5570 7450 5570
Wire Wire Line
9500 1350 9975 1350
Wire Wire Line
7900 2350 8560 2350
Entry Wire Line
9975 1250 10075 1350
Entry Wire Line
9975 1750 10075 1850
Text Label 9745 1750 0 50 ~ 0
Row7
Text Label 9765 1650 0 50 ~ 0
Col0
$Comp
L Diode:1N4148 D22
U 1 1 5D9C0280
P 9355 1750
F 0 "D22" H 9490 1720 50 0000 C CNN
F 1 "1N4148" H 9530 1790 40 0001 C CNN
F 2 "Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal" H 9355 1575 50 0001 C CNN
F 3 "https://assets.nexperia.com/documents/data-sheet/1N4148_1N4448.pdf" H 9355 1750 50 0001 C CNN
1 9355 1750
-1 0 0 1
$EndComp
$Comp
L Diode:1N4148 D23
U 1 1 5EB56F93
P 9355 2150
F 0 "D23" H 9490 2120 50 0000 C CNN
F 1 "1N4148" H 9530 2185 40 0001 C CNN
F 2 "Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal" H 9355 1975 50 0001 C CNN
F 3 "https://assets.nexperia.com/documents/data-sheet/1N4148_1N4448.pdf" H 9355 2150 50 0001 C CNN
1 9355 2150
-1 0 0 1
$EndComp
Entry Wire Line
9975 2150 10075 2250
Wire Wire Line
9975 1250 9060 1250
Wire Wire Line
9060 1350 9200 1350
Wire Wire Line
9975 1750 9505 1750
Wire Wire Line
9205 1750 9060 1750
Wire Wire Line
9060 2050 9975 2050
Wire Wire Line
9975 2150 9505 2150
Wire Wire Line
9205 2150 9060 2150
Text Notes 9450 2145 0 50 ~ 0
Rubout
Text Notes 9495 1740 0 50 ~ 0
@
Text Notes 9445 1340 0 50 ~ 0
Power
$Comp
L Device:R_US R5
U 1 1 5EE753E3
P 9330 2350
F 0 "R5" V 9295 2435 50 0000 L CNN
F 1 "330" V 9405 2280 50 0000 L CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 9370 2340 50 0001 C CNN
F 3 "~" H 9330 2350 50 0001 C CNN
1 9330 2350
0 1 1 0
$EndComp
Wire Wire Line
9060 2350 9180 2350
Entry Wire Line
9975 2350 10075 2450
Wire Wire Line
4205 4850 3900 4850
Wire Wire Line
3900 3850 4120 3850
Wire Wire Line
4120 1555 3000 1555
Wire Wire Line
4120 1555 4120 3850
Text Label 4690 4650 0 50 ~ 0
CAPS_LED
Entry Wire Line
9975 1350 10075 1450
Wire Wire Line
9060 1450 9115 1450
Wire Wire Line
9115 1450 9115 1065
$Comp
L power:+5V #PWR023
U 1 1 5E8162A5
P 9115 1065
F 0 "#PWR023" H 9115 915 50 0001 C CNN
F 1 "+5V" H 9130 1238 50 0000 C CNN
F 2 "" H 9115 1065 50 0001 C CNN
F 3 "" H 9115 1065 50 0001 C CNN
1 9115 1065
1 0 0 -1
$EndComp
$Comp
L Device:R_US R1
U 1 1 5E779921
P 9340 1550
F 0 "R1" V 9380 1635 50 0000 L CNN
F 1 "330" V 9265 1470 50 0000 L CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 9380 1540 50 0001 C CNN
F 3 "~" H 9340 1550 50 0001 C CNN
1 9340 1550
0 1 1 0
$EndComp
Wire Wire Line
9190 1550 9060 1550
Wire Wire Line
9975 2350 9480 2350
Wire Wire Line
9060 2250 9115 2250
Wire Wire Line
9115 2250 9115 1450
Connection ~ 9115 1450
Wire Wire Line
9515 1550 9490 1550
Wire Wire Line
9515 1510 9515 1550
$Comp
L power:GND #PWR024
U 1 1 5E779927
P 9605 1510
F 0 "#PWR024" H 9605 1260 50 0001 C CNN
F 1 "GND" H 9735 1465 50 0000 C CNN
F 2 "" H 9605 1510 50 0001 C CNN
F 3 "" H 9605 1510 50 0001 C CNN
1 9605 1510
1 0 0 -1
$EndComp
Wire Wire Line
9605 1510 9515 1510
Wire Wire Line
9975 1650 9060 1650
Wire Wire Line
8300 5100 8300 5200
Wire Bus Line
7800 4085 7800 5055
Wire Bus Line
10075 4085 10075 5400
Wire Bus Line
7800 5055 7800 6615
Wire Bus Line
5200 4050 5200 6425
Wire Bus Line
10075 1350 10075 4085
Wire Bus Line
1975 1495 1975 6425
Wire Bus Line
7800 1350 7800 4085
$EndSCHEMATC
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