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https://github.com/osiweb/unified_retro_keyboard.git
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Add extra sheet to document keyboard connector pinout
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Dave
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hardware/interface-ascii-atmega2560/Pinouts.sch
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222
hardware/interface-ascii-atmega2560/Pinouts.sch
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EESchema Schematic File Version 4
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EELAYER 30 0
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EELAYER END
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$Descr A4 11693 8268
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encoding utf-8
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Sheet 2 2
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Title ""
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Date ""
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Rev ""
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Comp ""
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Comment1 ""
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Comment2 ""
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Comment3 ""
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Comment4 ""
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$EndDescr
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Text Label 2650 2700 0 50 ~ 0
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Row4
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Text Label 2650 2600 0 50 ~ 0
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Row5
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Text Label 2650 2500 0 50 ~ 0
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Row6
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Text Label 2650 2400 0 50 ~ 0
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Row7
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Text Label 2650 2800 0 50 ~ 0
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Row3
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Text Label 2650 2900 0 50 ~ 0
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Row2
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Text Label 2650 3000 0 50 ~ 0
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Row1
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Text Label 2650 3100 0 50 ~ 0
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Row0
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Text Label 2650 1600 0 50 ~ 0
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Col7
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Text Label 2650 1700 0 50 ~ 0
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Col6
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Text Label 2650 1800 0 50 ~ 0
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Col5
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Text Label 2650 1900 0 50 ~ 0
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Col4
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Text Label 2650 2000 0 50 ~ 0
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Col3
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Text Label 2650 2100 0 50 ~ 0
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Col2
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Text Label 2650 2200 0 50 ~ 0
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Col1
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Text Label 2650 2300 0 50 ~ 0
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Col0
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$Comp
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L Diode:1N4148 D?
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U 1 1 60C3825A
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P 3950 1700
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F 0 "D?" H 4085 1665 50 0000 C CNN
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F 1 "1N4148" H 3950 1545 40 0001 C CNN
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F 2 "Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal" H 3950 1525 50 0001 C CNN
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F 3 "https://assets.nexperia.com/documents/data-sheet/1N4148_1N4448.pdf" H 3950 1700 50 0001 C CNN
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1 3950 1700
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-1 0 0 1
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$EndComp
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Wire Wire Line
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2500 1800 3200 1800
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Wire Wire Line
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2500 1700 3200 1700
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Wire Wire Line
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2500 1600 3200 1600
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Wire Wire Line
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2500 3000 3200 3000
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Wire Wire Line
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2500 2900 3200 2900
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Wire Wire Line
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2500 2800 3200 2800
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Wire Wire Line
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2500 2600 3200 2600
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Wire Wire Line
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2500 2500 3200 2500
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Wire Wire Line
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2500 2400 3200 2400
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Wire Wire Line
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2500 2300 3200 2300
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Wire Wire Line
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2500 2200 3200 2200
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Wire Wire Line
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2500 2000 3200 2000
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Wire Wire Line
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2500 1900 3200 1900
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Wire Wire Line
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2500 2100 3200 2100
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Text Label 3765 3200 0 50 ~ 0
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Row8
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Text Label 3765 3300 0 50 ~ 0
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Row9
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Text Label 3765 3400 0 50 ~ 0
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Row10
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Wire Wire Line
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2500 3100 3200 3100
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Text Label 3765 3500 0 50 ~ 0
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Row11
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Text Label 2650 3500 0 50 ~ 0
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Row12
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Text Label 2650 3300 0 50 ~ 0
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Row14
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Text Label 2650 3400 0 50 ~ 0
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Row13
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Text Label 2650 3200 0 50 ~ 0
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Row15
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Wire Wire Line
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2500 3200 3200 3200
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Wire Wire Line
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3200 3300 2500 3300
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Wire Wire Line
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2500 3400 3200 3400
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Wire Wire Line
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3200 3500 2500 3500
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Wire Wire Line
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2500 2700 3200 2700
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$Comp
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L Diode:1N4148 D?
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U 1 1 60C382A2
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P 3955 2100
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F 0 "D?" H 4090 2070 50 0000 C CNN
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F 1 "1N4148" H 4130 2140 40 0001 C CNN
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F 2 "Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal" H 3955 1925 50 0001 C CNN
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F 3 "https://assets.nexperia.com/documents/data-sheet/1N4148_1N4448.pdf" H 3955 2100 50 0001 C CNN
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1 3955 2100
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-1 0 0 1
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$EndComp
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$Comp
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L Diode:1N4148 D?
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U 1 1 60C382A8
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P 3955 2500
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F 0 "D?" H 4090 2470 50 0000 C CNN
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F 1 "1N4148" H 4130 2535 40 0001 C CNN
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F 2 "Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal" H 3955 2325 50 0001 C CNN
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F 3 "https://assets.nexperia.com/documents/data-sheet/1N4148_1N4448.pdf" H 3955 2500 50 0001 C CNN
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1 3955 2500
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-1 0 0 1
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$EndComp
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Wire Wire Line
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3700 1700 3800 1700
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Wire Wire Line
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3805 2100 3700 2100
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Wire Wire Line
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3805 2500 3700 2500
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Text Notes 4025 2500 0 50 ~ 0
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Rubout
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Text Notes 4095 2090 0 50 ~ 0
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@
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Text Notes 4045 1690 0 50 ~ 0
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Power
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Wire Wire Line
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3700 3200 4700 3200
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Wire Wire Line
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3700 3300 4700 3300
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Wire Wire Line
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3700 3400 4700 3400
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Wire Wire Line
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3700 3500 4700 3500
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Wire Wire Line
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3700 2700 4700 2700
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Wire Wire Line
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4105 2500 4700 2500
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Wire Wire Line
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3700 2400 4700 2400
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Wire Wire Line
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3700 2300 4700 2300
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Wire Wire Line
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4105 2100 4700 2100
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Wire Wire Line
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3700 2000 4700 2000
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Wire Wire Line
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3700 1900 4700 1900
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Wire Wire Line
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4100 1700 4700 1700
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Wire Wire Line
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3700 1600 4700 1600
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NoConn ~ 3700 2800
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NoConn ~ 3700 2900
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NoConn ~ 3700 3000
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NoConn ~ 3700 3100
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Text Notes 4720 1630 0 50 ~ 0
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Col 0
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Text Notes 4720 1730 0 50 ~ 0
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Row 0
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Text Notes 4720 1830 0 50 ~ 0
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LED1 +
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Text Notes 4720 1930 0 50 ~ 0
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LED1 -
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Text Notes 4720 2030 0 50 ~ 0
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Col 0
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Text Notes 4720 2130 0 50 ~ 0
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Row 7
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Text Notes 4720 2230 0 50 ~ 0
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LED2 +
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Text Notes 4720 2330 0 50 ~ 0
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LED2 -
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Text Notes 4720 2630 0 50 ~ 0
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LED3 +
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Text Notes 4720 2730 0 50 ~ 0
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LED3 -
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Text Notes 4720 2430 0 50 ~ 0
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Col 0
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Text Notes 4720 2530 0 50 ~ 0
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Row 1
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Wire Wire Line
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3700 2600 4700 2600
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Wire Wire Line
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3700 2200 4700 2200
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Wire Wire Line
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3700 1800 4700 1800
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$Comp
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L Connector_Generic:Conn_02x20_Odd_Even J?
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U 1 1 60C38260
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P 3400 2500
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F 0 "J?" H 3435 3525 50 0000 C CNN
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F 1 "Keyboard Connector" H 3530 1310 100 0000 C CNN
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F 2 "unikbd:PinHeader_2x20_P2.54mm_Vertical" H 3400 2500 50 0001 C CNN
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F 3 "~" H 3400 2500 50 0001 C CNN
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1 3400 2500
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1 0 0 -1
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$EndComp
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Text Notes 2235 6495 0 50 ~ 0
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Special Keys:\n\nThe keys at (Row 7, Col 0), (Row 1, Col 0), and (Row7 , Col 0) are not\nwired into the matrix at the keyboard PCB, since these keys may have\nspecial handling for the OSI keyboard.\n\nFor OSI:\n(Row 7, Col 0) is Shift Lock. Since the original Push-ON/Push-OFF keys\nare not always available, a flip-flop circuit may be substituted for the\nphysical push-on/push-off mechanism. The row and column lines are\nbrought to the interface board for connection to the matrix.\n\n(Row1, Col 0) is BREAK, which is not wired into the matrix, but instead \ninitiates a RESET signal, after a time delay.\n\n(Row 0, Col 0) is not wired into the matrix by default\n\nFor Apple 2:\n(Row 7, Col 0) is LEFT ARROW, and is wired into the matrix.\n\n(Row1, Col 0) is not wired into the matrix\n\n(Row 0, Col 0) is the POWER indicator key, and is wired into the matrix.\n\nFor the Classic layout:\n\n(Row 7, Col 0) is “@“, and is wired into the matrix.\n\n(Row1, Col 0) is Rubout, and is wired into the matrix\n\n(Row 0, Col 0) is the POWER indicator key, and is wired into the matrix
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$EndSCHEMATC
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@ -3,7 +3,7 @@ EELAYER 30 0
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EELAYER END
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$Descr USLedger 17000 11000
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encoding utf-8
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Sheet 1 1
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Sheet 1 2
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Title "Unified Retro Keyboard ASCII Interface (2560)"
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Date "2020-04-16"
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Rev "3.1"
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@ -1976,9 +1976,15 @@ Wire Bus Line
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Wire Bus Line
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2500 4600 2500 8400
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Wire Bus Line
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13500 2150 13500 8200
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13500 2200 13500 8200
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Wire Bus Line
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15900 2200 15900 8200
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Wire Bus Line
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10700 2600 10700 8200
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$Sheet
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S 4600 9150 1000 800
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U 60C30592
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F0 "Pinouts" 50
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F1 "Pinouts.sch" 50
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$EndSheet
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$EndSCHEMATC
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