72 lines
1.8 KiB
Plaintext
72 lines
1.8 KiB
Plaintext
EESchema Schematic File Version 4
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EELAYER 26 0
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EELAYER END
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$Descr A4 11693 8268
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encoding utf-8
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Sheet 1 1
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Title ""
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Date ""
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Rev ""
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Comp ""
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Comment1 ""
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Comment2 ""
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Comment3 ""
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Comment4 ""
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$EndDescr
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$Comp
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L Connector:Raspberry_Pi_2_3 J1
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U 1 1 5C35F1BF
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P 2500 2300
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F 0 "J1" H 2500 3778 50 0000 C CNN
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F 1 "Raspberry_Pi_2_3" H 2500 3687 50 0000 C CNN
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F 2 "Connector_PinHeader_2.54mm:PinHeader_2x20_P2.54mm_Vertical" H 2500 2300 50 0001 C CNN
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F 3 "https://www.raspberrypi.org/documentation/hardware/raspberrypi/schematics/rpi_SCH_3bplus_1p0_reduced.pdf" H 2500 2300 50 0001 C CNN
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1 2500 2300
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1 0 0 -1
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$EndComp
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$Comp
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L 74xx:74HC245 U1
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U 1 1 5C35F2D7
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P 1950 5850
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F 0 "U1" H 1950 6828 50 0000 C CNN
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F 1 "74HC245" H 1950 6737 50 0000 C CNN
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F 2 "" H 1950 5850 50 0001 C CNN
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F 3 "http://www.ti.com/lit/gpn/sn74HC245" H 1950 5850 50 0001 C CNN
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1 1950 5850
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1 0 0 -1
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$EndComp
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$Comp
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L Analog_Switch:CD4051B U2
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U 1 1 5C35F42C
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P 4850 4600
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F 0 "U2" H 4850 5478 50 0000 C CNN
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F 1 "CD4051B" H 4850 5387 50 0000 C CNN
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F 2 "" H 5000 3850 50 0001 L CNN
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F 3 "http://www.ti.com/lit/ds/symlink/cd4052b.pdf" H 4830 4700 50 0001 C CNN
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1 4850 4600
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1 0 0 -1
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$EndComp
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$Comp
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L Interface_Expansion:MCP23017_SP U4
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U 1 1 5C35F617
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P 4800 2150
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F 0 "U4" H 4800 3428 50 0000 C CNN
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F 1 "MCP23017_SP" H 4800 3337 50 0000 C CNN
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F 2 "Package_DIP:DIP-28_W7.62mm" H 5000 1150 50 0001 L CNN
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F 3 "http://ww1.microchip.com/downloads/en/DeviceDoc/20001952C.pdf" H 5000 1050 50 0001 L CNN
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1 4800 2150
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1 0 0 -1
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$EndComp
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$Comp
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L 74xx:74LS138 U3
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U 1 1 5C35F892
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P 7800 1350
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F 0 "U3" H 7800 2128 50 0000 C CNN
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F 1 "74LS138" H 7800 2037 50 0000 C CNN
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F 2 "" H 7800 1350 50 0001 C CNN
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F 3 "http://www.ti.com/lit/gpn/sn74LS138" H 7800 1350 50 0001 C CNN
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1 7800 1350
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1 0 0 -1
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$EndComp
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$EndSCHEMATC
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