EESchema Schematic File Version 4 EELAYER 30 0 EELAYER END $Descr A4 11693 8268 encoding utf-8 Sheet 1 3 Title "" Date "" Rev "" Comp "" Comment1 "" Comment2 "" Comment3 "" Comment4 "" $EndDescr NoConn ~ 2150 1800 $Comp L Device:C C7 U 1 1 5F0786B1 P 850 1300 F 0 "C7" V 598 1300 50 0000 C CNN F 1 "22pF" V 689 1300 50 0000 C CNN F 2 "Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 888 1150 50 0001 C CNN F 3 "~" H 850 1300 50 0001 C CNN 1 850 1300 0 1 1 0 $EndComp $Comp L power:+5V #PWR02 U 1 1 5F0A1BFA P 2650 750 F 0 "#PWR02" H 2650 600 50 0001 C CNN F 1 "+5V" H 2665 923 50 0000 C CNN F 2 "" H 2650 750 50 0001 C CNN F 3 "" H 2650 750 50 0001 C CNN 1 2650 750 1 0 0 -1 $EndComp Wire Wire Line 2650 750 2650 900 Wire Wire Line 2300 4500 2300 4600 $Comp L power:GND #PWR017 U 1 1 5F0A8134 P 2300 4600 F 0 "#PWR017" H 2300 4350 50 0001 C CNN F 1 "GND" H 2305 4427 50 0000 C CNN F 2 "" H 2300 4600 50 0001 C CNN F 3 "" H 2300 4600 50 0001 C CNN 1 2300 4600 1 0 0 -1 $EndComp $Comp L Device:R R5 U 1 1 5F0B5901 P 1750 2300 F 0 "R5" V 1543 2300 50 0000 C CNN F 1 "22" V 1634 2300 50 0000 C CNN F 2 "Resistor_SMD:R_1206_3216Metric_Pad1.42x1.75mm_HandSolder" V 1680 2300 50 0001 C CNN F 3 "~" H 1750 2300 50 0001 C CNN 1 1750 2300 0 -1 -1 0 $EndComp $Comp L power:+5V #PWR05 U 1 1 5EFFA2CA P 9600 750 F 0 "#PWR05" H 9600 600 50 0001 C CNN F 1 "+5V" H 9615 923 50 0000 C CNN F 2 "" H 9600 750 50 0001 C CNN F 3 "" H 9600 750 50 0001 C CNN 1 9600 750 1 0 0 -1 $EndComp $Comp L power:GND #PWR06 U 1 1 5F000FB1 P 9600 1150 F 0 "#PWR06" H 9600 900 50 0001 C CNN F 1 "GND" H 9605 977 50 0000 C CNN F 2 "" H 9600 1150 50 0001 C CNN F 3 "" H 9600 1150 50 0001 C CNN 1 9600 1150 1 0 0 -1 $EndComp Wire Wire Line 9600 1150 9600 1100 Connection ~ 9600 1100 Wire Wire Line 9600 750 9600 800 Connection ~ 9600 800 $Comp L Device:C C3 U 1 1 5F00AFA0 P 9350 950 F 0 "C3" H 9465 996 50 0000 L CNN F 1 "0.1uF" H 9465 905 50 0000 L CNN F 2 "Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 9388 800 50 0001 C CNN F 3 "~" H 9350 950 50 0001 C CNN 1 9350 950 1 0 0 -1 $EndComp Connection ~ 9350 800 Wire Wire Line 9350 800 9600 800 Connection ~ 9350 1100 Wire Wire Line 9350 1100 9600 1100 $Comp L Device:C C4 U 1 1 5F00B4C3 P 9850 950 F 0 "C4" H 9965 996 50 0000 L CNN F 1 "0.1uF" H 9965 905 50 0000 L CNN F 2 "Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 9888 800 50 0001 C CNN F 3 "~" H 9850 950 50 0001 C CNN 1 9850 950 1 0 0 -1 $EndComp Wire Wire Line 9600 800 9850 800 Connection ~ 9850 800 Wire Wire Line 9600 1100 9850 1100 Connection ~ 9850 1100 $Comp L Device:C C2 U 1 1 5EFFF252 P 8850 950 F 0 "C2" H 8965 996 50 0000 L CNN F 1 "0.1uF" H 8965 905 50 0000 L CNN F 2 "Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 8888 800 50 0001 C CNN F 3 "~" H 8850 950 50 0001 C CNN 1 8850 950 1 0 0 -1 $EndComp Wire Wire Line 8850 800 9350 800 Wire Wire Line 8850 1100 9350 1100 $Comp L Device:C C6 U 1 1 5F007EF5 P 10850 950 F 0 "C6" H 10965 996 50 0000 L CNN F 1 "10uF" H 10965 905 50 0000 L CNN F 2 "Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 10888 800 50 0001 C CNN F 3 "~" H 10850 950 50 0001 C CNN 1 10850 950 1 0 0 -1 $EndComp Wire Wire Line 9850 800 10350 800 Wire Wire Line 9850 1100 10350 1100 $Comp L Device:R R1 U 1 1 5F058934 P 1950 1000 F 0 "R1" H 2020 1046 50 0000 L CNN F 1 "10k" H 2020 955 50 0000 L CNN F 2 "Resistor_SMD:R_1206_3216Metric_Pad1.42x1.75mm_HandSolder" V 1880 1000 50 0001 C CNN F 3 "~" H 1950 1000 50 0001 C CNN 1 1950 1000 1 0 0 -1 $EndComp $Comp L Device:C C8 U 1 1 5F0BA64F P 850 1700 F 0 "C8" V 598 1700 50 0000 C CNN F 1 "22pF" V 689 1700 50 0000 C CNN F 2 "Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 888 1550 50 0001 C CNN F 3 "~" H 850 1700 50 0001 C CNN 1 850 1700 0 -1 -1 0 $EndComp Text GLabel 1550 2300 0 50 Input ~ 0 D- Text GLabel 1550 2200 0 50 Input ~ 0 D+ Wire Wire Line 1600 2200 1550 2200 $Comp L Device:R R4 U 1 1 5F0AD349 P 1750 2200 F 0 "R4" V 1543 2200 50 0000 C CNN F 1 "22" V 1634 2200 50 0000 C CNN F 2 "Resistor_SMD:R_1206_3216Metric_Pad1.42x1.75mm_HandSolder" V 1680 2200 50 0001 C CNN F 3 "~" H 1750 2200 50 0001 C CNN 1 1750 2200 0 1 1 0 $EndComp Wire Wire Line 2150 2500 1950 2500 $Comp L Device:C C9 U 1 1 5F049C39 P 1950 2650 F 0 "C9" H 2065 2696 50 0000 L CNN F 1 "1uF" H 2065 2605 50 0000 L CNN F 2 "Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 1988 2500 50 0001 C CNN F 3 "~" H 1950 2650 50 0001 C CNN 1 1950 2650 1 0 0 -1 $EndComp $Comp L power:GND #PWR014 U 1 1 5F0D86BC P 4150 3350 F 0 "#PWR014" H 4150 3100 50 0001 C CNN F 1 "GND" H 4155 3177 50 0000 C CNN F 2 "" H 4150 3350 50 0001 C CNN F 3 "" H 4150 3350 50 0001 C CNN 1 4150 3350 1 0 0 -1 $EndComp Wire Wire Line 4150 3300 4150 3350 Wire Wire Line 4100 3300 4150 3300 $Comp L Device:R R6 U 1 1 5F0D539D P 3950 3300 F 0 "R6" V 3743 3300 50 0000 C CNN F 1 "10k" V 3834 3300 50 0000 C CNN F 2 "Resistor_SMD:R_1206_3216Metric_Pad1.42x1.75mm_HandSolder" V 3880 3300 50 0001 C CNN F 3 "~" H 3950 3300 50 0001 C CNN 1 3950 3300 0 1 1 0 $EndComp $Sheet S 1000 6500 1500 1000 U 5F51BE8C F0 "Switch Matrix" 50 F1 "switch-matrix.sch" 50 $EndSheet $Comp L power:+5V #PWR011 U 1 1 5F062179 P 1900 2000 F 0 "#PWR011" H 1900 1850 50 0001 C CNN F 1 "+5V" H 1915 2173 50 0000 C CNN F 2 "" H 1900 2000 50 0001 C CNN F 3 "" H 1900 2000 50 0001 C CNN 1 1900 2000 1 0 0 -1 $EndComp Wire Wire Line 1600 2300 1550 2300 $Comp L Device:C C5 U 1 1 5F92A552 P 10350 950 F 0 "C5" H 10465 996 50 0000 L CNN F 1 "0.1uF" H 10465 905 50 0000 L CNN F 2 "Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 10388 800 50 0001 C CNN F 3 "~" H 10350 950 50 0001 C CNN 1 10350 950 1 0 0 -1 $EndComp Connection ~ 10350 800 Wire Wire Line 10350 800 10850 800 Connection ~ 10350 1100 Wire Wire Line 10350 1100 10850 1100 Wire Wire Line 8350 800 8850 800 Connection ~ 8850 800 Wire Wire Line 8350 1100 8850 1100 Connection ~ 8850 1100 $Sheet S 3000 6500 1500 1000 U 5F949B9C F0 "LED Matrix" 50 F1 "led-matrix.sch" 50 $EndSheet $Comp L Connector:AVR-ISP-6 J1 U 1 1 5F955015 P 7300 1400 F 0 "J1" H 6971 1496 50 0000 R CNN F 1 "AVR-ISP-6" H 6971 1405 50 0000 R CNN F 2 "Connector_PinHeader_2.54mm:PinHeader_2x03_P2.54mm_Horizontal" V 7050 1450 50 0001 C CNN F 3 " ~" H 6025 850 50 0001 C CNN 1 7300 1400 1 0 0 -1 $EndComp $Comp L power:GND #PWR010 U 1 1 5F95C857 P 7200 1850 F 0 "#PWR010" H 7200 1600 50 0001 C CNN F 1 "GND" H 7205 1677 50 0000 C CNN F 2 "" H 7200 1850 50 0001 C CNN F 3 "" H 7200 1850 50 0001 C CNN 1 7200 1850 1 0 0 -1 $EndComp $Comp L power:+5V #PWR04 U 1 1 5F95CE07 P 7200 750 F 0 "#PWR04" H 7200 600 50 0001 C CNN F 1 "+5V" H 7215 923 50 0000 C CNN F 2 "" H 7200 750 50 0001 C CNN F 3 "" H 7200 750 50 0001 C CNN 1 7200 750 1 0 0 -1 $EndComp Wire Wire Line 7200 1800 7200 1850 Text GLabel 7750 1200 2 50 Input ~ 0 MISO Text GLabel 7750 1300 2 50 Output ~ 0 MOSI Text GLabel 7750 1400 2 50 Output ~ 0 SCK Text GLabel 7750 1500 2 50 Output ~ 0 RST Wire Wire Line 7700 1200 7750 1200 Wire Wire Line 7700 1300 7750 1300 Wire Wire Line 7700 1400 7750 1400 Wire Wire Line 7700 1500 7750 1500 Text GLabel 1350 1200 0 50 Input ~ 0 RST $Comp L Diode:1N4148W D1 U 1 1 5F04AFDC P 1450 1000 F 0 "D1" V 1404 1080 50 0000 L CNN F 1 "1N4148W" V 1495 1080 50 0000 L CNN F 2 "Diode_SMD:D_SOD-123" H 1450 825 50 0001 C CNN F 3 "https://www.vishay.com/docs/85748/1n4148w.pdf" H 1450 1000 50 0001 C CNN 1 1450 1000 0 1 1 0 $EndComp Wire Wire Line 1450 1150 1450 1200 Wire Wire Line 1450 1200 1950 1200 Wire Wire Line 1950 1200 2150 1200 Connection ~ 1950 1200 Wire Wire Line 1950 1150 1950 1200 $Comp L power:+5V #PWR01 U 1 1 5F09393A P 1950 750 F 0 "#PWR01" H 1950 600 50 0001 C CNN F 1 "+5V" H 1965 923 50 0000 C CNN F 2 "" H 1950 750 50 0001 C CNN F 3 "" H 1950 750 50 0001 C CNN 1 1950 750 1 0 0 -1 $EndComp Wire Wire Line 1950 750 1950 800 Wire Wire Line 1450 850 1450 800 Wire Wire Line 1450 800 1950 800 Connection ~ 1950 800 Wire Wire Line 1950 800 1950 850 $Comp L power:GND #PWR013 U 1 1 5F06FEED P 1950 2800 F 0 "#PWR013" H 1950 2550 50 0001 C CNN F 1 "GND" H 1955 2627 50 0000 C CNN F 2 "" H 1950 2800 50 0001 C CNN F 3 "" H 1950 2800 50 0001 C CNN 1 1950 2800 1 0 0 -1 $EndComp $Comp L Device:C C1 U 1 1 5F92990D P 8350 950 F 0 "C1" H 8465 996 50 0000 L CNN F 1 "0.1uF" H 8465 905 50 0000 L CNN F 2 "Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 8388 800 50 0001 C CNN F 3 "~" H 8350 950 50 0001 C CNN 1 8350 950 1 0 0 -1 $EndComp Wire Wire Line 1650 1400 2150 1400 Wire Wire Line 1650 1600 2150 1600 $Comp L power:GND #PWR012 U 1 1 5F079E40 P 650 2100 F 0 "#PWR012" H 650 1850 50 0001 C CNN F 1 "GND" H 655 1927 50 0000 C CNN F 2 "" H 650 2100 50 0001 C CNN F 3 "" H 650 2100 50 0001 C CNN 1 650 2100 1 0 0 -1 $EndComp $Comp L Device:Crystal_GND24 Y1 U 1 1 5F294622 P 1100 1500 F 0 "Y1" V 1054 1744 50 0000 L CNN F 1 "16MHz" V 1145 1744 50 0000 L CNN F 2 "Crystal:Crystal_SMD_3225-4Pin_3.2x2.5mm_HandSoldering" H 1100 1500 50 0001 C CNN F 3 "~" H 1100 1500 50 0001 C CNN 1 1100 1500 0 1 1 0 $EndComp $Comp L power:GND #PWR09 U 1 1 5F2A6310 P 1300 1750 F 0 "#PWR09" H 1300 1500 50 0001 C CNN F 1 "GND" H 1305 1577 50 0000 C CNN F 2 "" H 1300 1750 50 0001 C CNN F 3 "" H 1300 1750 50 0001 C CNN 1 1300 1750 1 0 0 -1 $EndComp Wire Wire Line 7200 750 7200 900 Wire Wire Line 1350 1200 1450 1200 Connection ~ 1450 1200 Wire Wire Line 650 2100 650 1700 Wire Wire Line 650 1300 700 1300 Wire Wire Line 650 1700 700 1700 Connection ~ 650 1700 Wire Wire Line 650 1700 650 1500 Wire Wire Line 1000 1300 1100 1300 Wire Wire Line 1100 1300 1100 1350 Wire Wire Line 1000 1700 1100 1700 Wire Wire Line 1100 1700 1100 1650 Wire Wire Line 900 1500 650 1500 Connection ~ 650 1500 Wire Wire Line 650 1500 650 1300 Wire Wire Line 1300 1500 1300 1750 Wire Wire Line 1100 1700 1650 1700 Wire Wire Line 1650 1700 1650 1600 Connection ~ 1100 1700 Wire Wire Line 1100 1300 1650 1300 Wire Wire Line 1650 1300 1650 1400 Connection ~ 1100 1300 Text GLabel 3400 3700 2 50 Input ~ 0 ROW1 Text GLabel 3400 3800 2 50 Input ~ 0 ROW2 Text GLabel 3400 3600 2 50 Input ~ 0 ROW0 Text GLabel 3550 1250 1 50 Input ~ 0 MOSI Text GLabel 3650 1250 1 50 Output ~ 0 MISO Text GLabel 3400 3900 2 50 Input ~ 0 ROW3 Wire Wire Line 3650 1250 3650 1500 Wire Wire Line 3550 1250 3550 1400 Text GLabel 3400 4000 2 50 Input ~ 0 ROW4 Text GLabel 3400 4100 2 50 Input ~ 0 ROW5 Text GLabel 3400 2400 2 50 Output ~ 0 COL03 Text GLabel 3400 2500 2 50 Output ~ 0 COL04 Text GLabel 3400 2600 2 50 Output ~ 0 COL05 Text GLabel 3400 2700 2 50 Output ~ 0 COL06 Text GLabel 3400 2900 2 50 Output ~ 0 COL07 Text GLabel 3400 2800 2 50 Output ~ 0 COL08 Text GLabel 3400 3100 2 50 Output ~ 0 COL10 Text GLabel 3400 2100 2 50 Output ~ 0 COL14 Text GLabel 3400 2200 2 50 Output ~ 0 COL15 Wire Wire Line 3800 3300 3350 3300 NoConn ~ 5500 3400 NoConn ~ 5500 3300 Text GLabel 5600 1900 2 50 Output ~ 0 D+ Wire Wire Line 5500 1900 5600 1900 Wire Wire Line 5500 1600 5600 1600 Wire Wire Line 5500 1600 5500 1700 Text GLabel 5600 1600 2 50 Output ~ 0 D- NoConn ~ 5500 3100 NoConn ~ 5500 3000 NoConn ~ 5500 2800 NoConn ~ 5500 2700 NoConn ~ 5500 2500 NoConn ~ 5500 2400 NoConn ~ 5500 2200 NoConn ~ 5500 2100 Wire Wire Line 5500 1800 5500 1900 Connection ~ 5500 1900 Connection ~ 5500 1600 $Comp L Connector:USB_C_Receptacle J2 U 1 1 5EFFEB48 P 4900 2100 F 0 "J2" H 5007 3367 50 0000 C CNN F 1 "USB_C_Receptacle" H 5007 3276 50 0000 C CNN F 2 "kezboard-pcb:USB_C_Receptacle_Stewart_SS-52400-003" H 5050 2100 50 0001 C CNN F 3 "https://www.usb.org/sites/default/files/documents/usb_type-c.zip" H 5050 2100 50 0001 C CNN 1 4900 2100 1 0 0 -1 $EndComp $Comp L power:+5V #PWR03 U 1 1 5F8E36F7 P 5900 750 F 0 "#PWR03" H 5900 600 50 0001 C CNN F 1 "+5V" H 5915 923 50 0000 C CNN F 2 "" H 5900 750 50 0001 C CNN F 3 "" H 5900 750 50 0001 C CNN 1 5900 750 1 0 0 -1 $EndComp $Comp L power:GND #PWR016 U 1 1 5F009DA8 P 4900 3700 F 0 "#PWR016" H 4900 3450 50 0001 C CNN F 1 "GND" H 4905 3527 50 0000 C CNN F 2 "" H 4900 3700 50 0001 C CNN F 3 "" H 4900 3700 50 0001 C CNN 1 4900 3700 1 0 0 -1 $EndComp $Comp L power:GND #PWR015 U 1 1 5F00B4A1 P 4600 3700 F 0 "#PWR015" H 4600 3450 50 0001 C CNN F 1 "GND" H 4605 3527 50 0000 C CNN F 2 "" H 4600 3700 50 0001 C CNN F 3 "" H 4600 3700 50 0001 C CNN 1 4600 3700 1 0 0 -1 $EndComp $Comp L power:GND #PWR08 U 1 1 5F032218 P 5950 1700 F 0 "#PWR08" H 5950 1450 50 0001 C CNN F 1 "GND" H 5955 1527 50 0000 C CNN F 2 "" H 5950 1700 50 0001 C CNN F 3 "" H 5950 1700 50 0001 C CNN 1 5950 1700 1 0 0 -1 $EndComp $Comp L Device:R R3 U 1 1 5F030D08 P 5950 1550 F 0 "R3" H 6020 1596 50 0000 L CNN F 1 "5.1k" H 6020 1505 50 0000 L CNN F 2 "Resistor_SMD:R_1206_3216Metric_Pad1.42x1.75mm_HandSolder" V 5880 1550 50 0001 C CNN F 3 "~" H 5950 1550 50 0001 C CNN 1 5950 1550 1 0 0 -1 $EndComp $Comp L power:GND #PWR07 U 1 1 5F03268A P 6200 1600 F 0 "#PWR07" H 6200 1350 50 0001 C CNN F 1 "GND" H 6205 1427 50 0000 C CNN F 2 "" H 6200 1600 50 0001 C CNN F 3 "" H 6200 1600 50 0001 C CNN 1 6200 1600 1 0 0 -1 $EndComp $Comp L Device:R R2 U 1 1 5F02FDA7 P 6200 1450 F 0 "R2" H 6270 1496 50 0000 L CNN F 1 "5.1k" H 6270 1405 50 0000 L CNN F 2 "Resistor_SMD:R_1206_3216Metric_Pad1.42x1.75mm_HandSolder" V 6130 1450 50 0001 C CNN F 3 "~" H 6200 1450 50 0001 C CNN 1 6200 1450 1 0 0 -1 $EndComp Wire Wire Line 5500 1400 5950 1400 Wire Wire Line 5500 1300 6200 1300 $Comp L Device:Polyfuse F1 U 1 1 5F286423 P 5700 1100 F 0 "F1" V 5475 1100 50 0000 C CNN F 1 "500mA" V 5566 1100 50 0000 C CNN F 2 "Fuse:Fuse_1206_3216Metric_Pad1.42x1.75mm_HandSolder" H 5750 900 50 0001 L CNN F 3 "~" H 5700 1100 50 0001 C CNN 1 5700 1100 0 1 1 0 $EndComp Wire Wire Line 5900 750 5900 1100 Wire Wire Line 5900 1100 5850 1100 Wire Wire Line 5550 1100 5500 1100 Wire Wire Line 2650 4500 2300 4500 Wire Wire Line 2750 4500 2650 4500 Connection ~ 2650 4500 Connection ~ 2650 900 Wire Wire Line 2750 900 2650 900 Wire Wire Line 2750 900 2850 900 Connection ~ 2750 900 $Comp L MCU_Microchip_ATmega:ATmega32U4-AU U1 U 1 1 5EFE2795 P 2750 2700 F 0 "U1" H 2750 811 50 0000 C CNN F 1 "ATmega32U4-AU" H 2750 720 50 0000 C CNN F 2 "Package_QFP:TQFP-44_10x10mm_P0.8mm" H 2750 2700 50 0001 C CIN F 3 "http://ww1.microchip.com/downloads/en/DeviceDoc/Atmel-7766-8-bit-AVR-ATmega16U4-32U4_Datasheet.pdf" H 2750 2700 50 0001 C CNN 1 2750 2700 1 0 0 -1 $EndComp Text GLabel 3400 3000 2 50 Output ~ 0 COL09 NoConn ~ 3350 3400 NoConn ~ 3350 1200 Text GLabel 3450 1250 1 50 Input ~ 0 SCK Wire Wire Line 3450 1250 3450 1300 Wire Wire Line 3350 1300 3450 1300 Wire Wire Line 3350 1400 3550 1400 Wire Wire Line 3350 1500 3650 1500 Wire Wire Line 3350 2100 3400 2100 Wire Wire Line 3350 2200 3400 2200 Wire Wire Line 3350 2400 3400 2400 Wire Wire Line 3350 2500 3400 2500 Wire Wire Line 3350 2600 3400 2600 Wire Wire Line 3350 2700 3400 2700 Wire Wire Line 3350 2800 3400 2800 Wire Wire Line 3350 2900 3400 2900 Wire Wire Line 3350 3000 3400 3000 Wire Wire Line 3350 3100 3400 3100 Wire Wire Line 3400 3600 3350 3600 Wire Wire Line 3350 3700 3400 3700 Wire Wire Line 3400 3800 3350 3800 Wire Wire Line 3350 3900 3400 3900 Wire Wire Line 3400 4000 3350 4000 Wire Wire Line 3350 4100 3400 4100 Wire Wire Line 1900 2000 2150 2000 Wire Wire Line 2150 2200 1900 2200 Wire Wire Line 1900 2300 2150 2300 Text GLabel 3400 1600 2 50 Output ~ 0 COL11 Text GLabel 3400 1700 2 50 Output ~ 0 COL12 Text GLabel 3400 1800 2 50 Output ~ 0 COL13 Wire Wire Line 3350 1600 3400 1600 Wire Wire Line 3350 1700 3400 1700 Wire Wire Line 3350 1800 3400 1800 Text GLabel 3750 1300 2 50 Output ~ 0 COL00 Text GLabel 3750 1400 2 50 Output ~ 0 COL01 Text GLabel 3750 1500 2 50 Output ~ 0 COL02 Text GLabel 3400 1900 2 50 Output ~ 0 DIN Connection ~ 3450 1300 Wire Wire Line 3450 1300 3750 1300 Connection ~ 3550 1400 Wire Wire Line 3550 1400 3750 1400 Connection ~ 3650 1500 Wire Wire Line 3650 1500 3750 1500 Wire Wire Line 3350 1900 3400 1900 $EndSCHEMATC