keyboard-pcb-numpad.sch

EESchema Schematic File Version 4
EELAYER 30 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 1 1
Title ""
Date ""
Rev ""
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L power:GND #PWR0101
U 1 1 616CCFAD
P 7350 2350
F 0 "#PWR0101" H 7350 2100 50  0001 C CNN
F 1 "GND" H 7355 2177 50  0000 C CNN
F 2 "" H 7350 2350 50  0001 C CNN
F 3 "" H 7350 2350 50  0001 C CNN
	1    7350 2350
	1    0    0    -1  
$EndComp
Wire Wire Line
	7350 2350 7550 2350
Text Label 9150 2350 0    50   ~ 0
RST
Wire Wire Line
	9150 2350 8950 2350
Connection ~ 7550 2350
Wire Wire Line
	7550 2450 7550 2350
$Comp
L promicro:ProMicro U1
U 1 1 616BD093
P 8250 2900
F 0 "U1" H 8250 3937 60  0000 C CNN
F 1 "ProMicro" H 8250 3831 60  0000 C CNN
F 2 "promicro:ProMicro" H 8350 1850 60  0001 C CNN
F 3 "" H 8350 1850 60  0000 C CNN
	1    8250 2900
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0102
U 1 1 616D01D4
P 7400 4500
F 0 "#PWR0102" H 7400 4250 50  0001 C CNN
F 1 "GND" H 7405 4327 50  0000 C CNN
F 2 "" H 7400 4500 50  0001 C CNN
F 3 "" H 7400 4500 50  0001 C CNN
	1    7400 4500
	1    0    0    -1  
$EndComp
$Comp
L Switch:SW_Push SW1
U 1 1 616D0AA7
P 7900 4400
F 0 "SW1" H 7900 4685 50  0000 C CNN
F 1 "SW_Push" H 7900 4594 50  0000 C CNN
F 2 "random-keyboard-parts:SKQG-1155865" H 7900 4600 50  0001 C CNN
F 3 "~" H 7900 4600 50  0001 C CNN
	1    7900 4400
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R1
U 1 1 616D138F
P 8350 4000
F 0 "R1" V 8546 4000 50  0000 C CNN
F 1 "R_Small" V 8455 4000 50  0000 C CNN
F 2 "Resistor_SMD:R_1206_3216Metric" H 8350 4000 50  0001 C CNN
F 3 "~" H 8350 4000 50  0001 C CNN
	1    8350 4000
	0    -1   -1   0   
$EndComp
Text Label 8750 4400 0    50   ~ 0
RST
$Comp
L power:+5V #PWR0103
U 1 1 616D1EB1
P 8750 4000
F 0 "#PWR0103" H 8750 3850 50  0001 C CNN
F 1 "+5V" H 8765 4173 50  0000 C CNN
F 2 "" H 8750 4000 50  0001 C CNN
F 3 "" H 8750 4000 50  0001 C CNN
	1    8750 4000
	1    0    0    -1  
$EndComp
Wire Wire Line
	8750 4000 8450 4000
Wire Wire Line
	8250 4000 8100 4000
Wire Wire Line
	8100 4000 8100 4400
Wire Wire Line
	8750 4400 8100 4400
Connection ~ 8100 4400
Wire Wire Line
	7700 4400 7400 4400
Wire Wire Line
	7400 4400 7400 4500
NoConn ~ 8950 3150
NoConn ~ 8950 2650
NoConn ~ 8950 2550
NoConn ~ 7550 2550
NoConn ~ 7550 2650
NoConn ~ 7550 2750
NoConn ~ 7550 2250
NoConn ~ 7550 2150
NoConn ~ 8950 2150
$Comp
L power:GND #PWR0104
U 1 1 616D5A0B
P 9200 2000
F 0 "#PWR0104" H 9200 1750 50  0001 C CNN
F 1 "GND" H 9205 1827 50  0000 C CNN
F 2 "" H 9200 2000 50  0001 C CNN
F 3 "" H 9200 2000 50  0001 C CNN
	1    9200 2000
	1    0    0    -1  
$EndComp
$Comp
L power:+5V #PWR0105
U 1 1 616D6214
P 9450 2450
F 0 "#PWR0105" H 9450 2300 50  0001 C CNN
F 1 "+5V" H 9465 2623 50  0000 C CNN
F 2 "" H 9450 2450 50  0001 C CNN
F 3 "" H 9450 2450 50  0001 C CNN
	1    9450 2450
	1    0    0    -1  
$EndComp
Wire Wire Line
	8950 2250 9050 2250
Wire Wire Line
	9050 2250 9050 2000
Wire Wire Line
	9050 2000 9200 2000
Wire Wire Line
	9450 2450 8950 2450
NoConn ~ 8950 3250
$Comp
L MX_Alps_Hybrid:MX-NoLED MX1
U 1 1 616D9091
P 5100 2050
F 0 "MX1" H 5133 2273 60  0000 C CNN
F 1 "MX-NoLED" H 5133 2199 20  0000 C CNN
F 2 "MX_Alps_Hybrid:MX-1U" H 4475 2025 60  0001 C CNN
F 3 "" H 4475 2025 60  0001 C CNN
	1    5100 2050
	1    0    0    -1  
$EndComp
Text GLabel 4750 2400 0    50   Input ~ 0
ROW0
$Comp
L Device:D_Small D1
U 1 1 616DCC04
P 4950 2300
F 0 "D1" V 4996 2230 50  0000 R CNN
F 1 "D_Small" V 4905 2230 50  0000 R CNN
F 2 "Diode_SMD:D_SOD-123" V 4950 2300 50  0001 C CNN
F 3 "~" V 4950 2300 50  0001 C CNN
	1    4950 2300
	0    -1   -1   0   
$EndComp
Wire Wire Line
	4950 2200 5050 2200
$Comp
L MX_Alps_Hybrid:MX-NoLED MX5
U 1 1 616DFF20
P 5600 2050
F 0 "MX5" H 5633 2273 60  0000 C CNN
F 1 "MX-NoLED" H 5633 2199 20  0000 C CNN
F 2 "MX_Alps_Hybrid:MX-1U" H 4975 2025 60  0001 C CNN
F 3 "" H 4975 2025 60  0001 C CNN
	1    5600 2050
	1    0    0    -1  
$EndComp
$Comp
L Device:D_Small D5
U 1 1 616DFF26
P 5450 2300
F 0 "D5" V 5496 2230 50  0000 R CNN
F 1 "D_Small" V 5405 2230 50  0000 R CNN
F 2 "Diode_SMD:D_SOD-123" V 5450 2300 50  0001 C CNN
F 3 "~" V 5450 2300 50  0001 C CNN
	1    5450 2300
	0    -1   -1   0   
$EndComp
Wire Wire Line
	5450 2200 5550 2200
$Comp
L MX_Alps_Hybrid:MX-NoLED MX2
U 1 1 616E0A98
P 5100 2750
F 0 "MX2" H 5133 2973 60  0000 C CNN
F 1 "MX-NoLED" H 5133 2899 20  0000 C CNN
F 2 "MX_Alps_Hybrid:MX-1U" H 4475 2725 60  0001 C CNN
F 3 "" H 4475 2725 60  0001 C CNN
	1    5100 2750
	1    0    0    -1  
$EndComp
$Comp
L Device:D_Small D2
U 1 1 616E0A9E
P 4950 3000
F 0 "D2" V 4996 2930 50  0000 R CNN
F 1 "D_Small" V 4905 2930 50  0000 R CNN
F 2 "Diode_SMD:D_SOD-123" V 4950 3000 50  0001 C CNN
F 3 "~" V 4950 3000 50  0001 C CNN
	1    4950 3000
	0    -1   -1   0   
$EndComp
Wire Wire Line
	4950 2900 5050 2900
$Comp
L MX_Alps_Hybrid:MX-NoLED MX6
U 1 1 616E1527
P 5600 2750
F 0 "MX6" H 5633 2973 60  0000 C CNN
F 1 "MX-NoLED" H 5633 2899 20  0000 C CNN
F 2 "MX_Alps_Hybrid:MX-1U" H 4975 2725 60  0001 C CNN
F 3 "" H 4975 2725 60  0001 C CNN
	1    5600 2750
	1    0    0    -1  
$EndComp
$Comp
L Device:D_Small D6
U 1 1 616E152D
P 5450 3000
F 0 "D6" V 5496 2930 50  0000 R CNN
F 1 "D_Small" V 5405 2930 50  0000 R CNN
F 2 "Diode_SMD:D_SOD-123" V 5450 3000 50  0001 C CNN
F 3 "~" V 5450 3000 50  0001 C CNN
	1    5450 3000
	0    -1   -1   0   
$EndComp
Wire Wire Line
	5450 2900 5550 2900
Wire Wire Line
	4750 2400 4950 2400
Text GLabel 4750 3100 0    50   Input ~ 0
ROW1
Text GLabel 5250 1650 1    50   Input ~ 0
COL0
Text GLabel 5750 1650 1    50   Input ~ 0
COL1
$Comp
L MX_Alps_Hybrid:MX-NoLED MX10
U 1 1 616EBD2D
P 6100 2050
F 0 "MX10" H 6133 2273 60  0000 C CNN
F 1 "MX-NoLED" H 6133 2199 20  0000 C CNN
F 2 "MX_Alps_Hybrid:MX-1U" H 5475 2025 60  0001 C CNN
F 3 "" H 5475 2025 60  0001 C CNN
	1    6100 2050
	1    0    0    -1  
$EndComp
$Comp
L Device:D_Small D10
U 1 1 616EBD33
P 5950 2300
F 0 "D10" V 5996 2230 50  0000 R CNN
F 1 "D_Small" V 5905 2230 50  0000 R CNN
F 2 "Diode_SMD:D_SOD-123" V 5950 2300 50  0001 C CNN
F 3 "~" V 5950 2300 50  0001 C CNN
	1    5950 2300
	0    -1   -1   0   
$EndComp
Wire Wire Line
	5950 2200 6050 2200
$Comp
L MX_Alps_Hybrid:MX-NoLED MX11
U 1 1 616FB5AA
P 6100 2750
F 0 "MX11" H 6133 2973 60  0000 C CNN
F 1 "MX-NoLED" H 6133 2899 20  0000 C CNN
F 2 "MX_Alps_Hybrid:MX-1U" H 5475 2725 60  0001 C CNN
F 3 "" H 5475 2725 60  0001 C CNN
	1    6100 2750
	1    0    0    -1  
$EndComp
$Comp
L Device:D_Small D11
U 1 1 616FB5B0
P 5950 3000
F 0 "D11" V 5996 2930 50  0000 R CNN
F 1 "D_Small" V 5905 2930 50  0000 R CNN
F 2 "Diode_SMD:D_SOD-123" V 5950 3000 50  0001 C CNN
F 3 "~" V 5950 3000 50  0001 C CNN
	1    5950 3000
	0    -1   -1   0   
$EndComp
Wire Wire Line
	5950 2900 6050 2900
$Comp
L MX_Alps_Hybrid:MX-NoLED MX15
U 1 1 616FCA94
P 6600 2050
F 0 "MX15" H 6633 2273 60  0000 C CNN
F 1 "MX-NoLED" H 6633 2199 20  0000 C CNN
F 2 "MX_Alps_Hybrid:MX-1U" H 5975 2025 60  0001 C CNN
F 3 "" H 5975 2025 60  0001 C CNN
	1    6600 2050
	1    0    0    -1  
$EndComp
$Comp
L Device:D_Small D15
U 1 1 616FCA9A
P 6450 2300
F 0 "D15" V 6496 2230 50  0000 R CNN
F 1 "D_Small" V 6405 2230 50  0000 R CNN
F 2 "Diode_SMD:D_SOD-123" V 6450 2300 50  0001 C CNN
F 3 "~" V 6450 2300 50  0001 C CNN
	1    6450 2300
	0    -1   -1   0   
$EndComp
Wire Wire Line
	6450 2200 6550 2200
$Comp
L MX_Alps_Hybrid:MX-NoLED MX3
U 1 1 616FE40F
P 5100 3450
F 0 "MX3" H 5133 3673 60  0000 C CNN
F 1 "MX-NoLED" H 5133 3599 20  0000 C CNN
F 2 "MX_Alps_Hybrid:MX-1U" H 4475 3425 60  0001 C CNN
F 3 "" H 4475 3425 60  0001 C CNN
	1    5100 3450
	1    0    0    -1  
$EndComp
$Comp
L Device:D_Small D3
U 1 1 616FE415
P 4950 3700
F 0 "D3" V 4996 3630 50  0000 R CNN
F 1 "D_Small" V 4905 3630 50  0000 R CNN
F 2 "Diode_SMD:D_SOD-123" V 4950 3700 50  0001 C CNN
F 3 "~" V 4950 3700 50  0001 C CNN
	1    4950 3700
	0    -1   -1   0   
$EndComp
Wire Wire Line
	4950 3600 5050 3600
$Comp
L MX_Alps_Hybrid:MX-NoLED MX7
U 1 1 616FF26A
P 5600 3450
F 0 "MX7" H 5633 3673 60  0000 C CNN
F 1 "MX-NoLED" H 5633 3599 20  0000 C CNN
F 2 "MX_Alps_Hybrid:MX-1U" H 4975 3425 60  0001 C CNN
F 3 "" H 4975 3425 60  0001 C CNN
	1    5600 3450
	1    0    0    -1  
$EndComp
$Comp
L Device:D_Small D7
U 1 1 616FF270
P 5450 3700
F 0 "D7" V 5496 3630 50  0000 R CNN
F 1 "D_Small" V 5405 3630 50  0000 R CNN
F 2 "Diode_SMD:D_SOD-123" V 5450 3700 50  0001 C CNN
F 3 "~" V 5450 3700 50  0001 C CNN
	1    5450 3700
	0    -1   -1   0   
$EndComp
Wire Wire Line
	5450 3600 5550 3600
$Comp
L MX_Alps_Hybrid:MX-NoLED MX12
U 1 1 616FFFEE
P 6100 3450
F 0 "MX12" H 6133 3673 60  0000 C CNN
F 1 "MX-NoLED" H 6133 3599 20  0000 C CNN
F 2 "MX_Alps_Hybrid:MX-1U" H 5475 3425 60  0001 C CNN
F 3 "" H 5475 3425 60  0001 C CNN
	1    6100 3450
	1    0    0    -1  
$EndComp
$Comp
L Device:D_Small D12
U 1 1 616FFFF4
P 5950 3700
F 0 "D12" V 5996 3630 50  0000 R CNN
F 1 "D_Small" V 5905 3630 50  0000 R CNN
F 2 "Diode_SMD:D_SOD-123" V 5950 3700 50  0001 C CNN
F 3 "~" V 5950 3700 50  0001 C CNN
	1    5950 3700
	0    -1   -1   0   
$EndComp
Wire Wire Line
	5950 3600 6050 3600
$Comp
L MX_Alps_Hybrid:MX-NoLED MX16
U 1 1 61700FB4
P 6600 3450
F 0 "MX16" H 6633 3673 60  0000 C CNN
F 1 "MX-NoLED" H 6633 3599 20  0000 C CNN
F 2 "MX_Alps_Hybrid:MX-1U" H 5975 3425 60  0001 C CNN
F 3 "" H 5975 3425 60  0001 C CNN
	1    6600 3450
	1    0    0    -1  
$EndComp
$Comp
L Device:D_Small D16
U 1 1 61700FBA
P 6450 3700
F 0 "D16" V 6496 3630 50  0000 R CNN
F 1 "D_Small" V 6405 3630 50  0000 R CNN
F 2 "Diode_SMD:D_SOD-123" V 6450 3700 50  0001 C CNN
F 3 "~" V 6450 3700 50  0001 C CNN
	1    6450 3700
	0    -1   -1   0   
$EndComp
Wire Wire Line
	6450 3600 6550 3600
$Comp
L MX_Alps_Hybrid:MX-NoLED MX4
U 1 1 61702570
P 5100 4150
F 0 "MX4" H 5133 4373 60  0000 C CNN
F 1 "MX-NoLED" H 5133 4299 20  0000 C CNN
F 2 "MX_Alps_Hybrid:MX-1U" H 4475 4125 60  0001 C CNN
F 3 "" H 4475 4125 60  0001 C CNN
	1    5100 4150
	1    0    0    -1  
$EndComp
$Comp
L Device:D_Small D4
U 1 1 61702576
P 4950 4400
F 0 "D4" V 4996 4330 50  0000 R CNN
F 1 "D_Small" V 4905 4330 50  0000 R CNN
F 2 "Diode_SMD:D_SOD-123" V 4950 4400 50  0001 C CNN
F 3 "~" V 4950 4400 50  0001 C CNN
	1    4950 4400
	0    -1   -1   0   
$EndComp
Wire Wire Line
	4950 4300 5050 4300
$Comp
L MX_Alps_Hybrid:MX-NoLED MX8
U 1 1 6170363E
P 5600 4150
F 0 "MX8" H 5633 4373 60  0000 C CNN
F 1 "MX-NoLED" H 5633 4299 20  0000 C CNN
F 2 "MX_Alps_Hybrid:MX-1U" H 4975 4125 60  0001 C CNN
F 3 "" H 4975 4125 60  0001 C CNN
	1    5600 4150
	1    0    0    -1  
$EndComp
$Comp
L Device:D_Small D8
U 1 1 61703644
P 5450 4400
F 0 "D8" V 5496 4330 50  0000 R CNN
F 1 "D_Small" V 5405 4330 50  0000 R CNN
F 2 "Diode_SMD:D_SOD-123" V 5450 4400 50  0001 C CNN
F 3 "~" V 5450 4400 50  0001 C CNN
	1    5450 4400
	0    -1   -1   0   
$EndComp
Wire Wire Line
	5450 4300 5550 4300
$Comp
L MX_Alps_Hybrid:MX-NoLED MX13
U 1 1 61704614
P 6100 4150
F 0 "MX13" H 6133 4373 60  0000 C CNN
F 1 "MX-NoLED" H 6133 4299 20  0000 C CNN
F 2 "MX_Alps_Hybrid:MX-1U" H 5475 4125 60  0001 C CNN
F 3 "" H 5475 4125 60  0001 C CNN
	1    6100 4150
	1    0    0    -1  
$EndComp
$Comp
L Device:D_Small D13
U 1 1 6170461A
P 5950 4400
F 0 "D13" V 5996 4330 50  0000 R CNN
F 1 "D_Small" V 5905 4330 50  0000 R CNN
F 2 "Diode_SMD:D_SOD-123" V 5950 4400 50  0001 C CNN
F 3 "~" V 5950 4400 50  0001 C CNN
	1    5950 4400
	0    -1   -1   0   
$EndComp
Wire Wire Line
	5950 4300 6050 4300
$Comp
L MX_Alps_Hybrid:MX-NoLED MX9
U 1 1 6170A99A
P 5600 4850
F 0 "MX9" H 5633 5073 60  0000 C CNN
F 1 "MX-NoLED" H 5633 4999 20  0000 C CNN
F 2 "MX_Alps_Hybrid:MX-1U" H 4975 4825 60  0001 C CNN
F 3 "" H 4975 4825 60  0001 C CNN
	1    5600 4850
	1    0    0    -1  
$EndComp
$Comp
L Device:D_Small D9
U 1 1 6170A9A0
P 5450 5100
F 0 "D9" V 5496 5030 50  0000 R CNN
F 1 "D_Small" V 5405 5030 50  0000 R CNN
F 2 "Diode_SMD:D_SOD-123" V 5450 5100 50  0001 C CNN
F 3 "~" V 5450 5100 50  0001 C CNN
	1    5450 5100
	0    -1   -1   0   
$EndComp
Wire Wire Line
	5450 5000 5550 5000
$Comp
L MX_Alps_Hybrid:MX-NoLED MX14
U 1 1 6170BA55
P 6100 4850
F 0 "MX14" H 6133 5073 60  0000 C CNN
F 1 "MX-NoLED" H 6133 4999 20  0000 C CNN
F 2 "MX_Alps_Hybrid:MX-1U" H 5475 4825 60  0001 C CNN
F 3 "" H 5475 4825 60  0001 C CNN
	1    6100 4850
	1    0    0    -1  
$EndComp
$Comp
L Device:D_Small D14
U 1 1 6170BA5B
P 5950 5100
F 0 "D14" V 5996 5030 50  0000 R CNN
F 1 "D_Small" V 5905 5030 50  0000 R CNN
F 2 "Diode_SMD:D_SOD-123" V 5950 5100 50  0001 C CNN
F 3 "~" V 5950 5100 50  0001 C CNN
	1    5950 5100
	0    -1   -1   0   
$EndComp
Wire Wire Line
	5950 5000 6050 5000
$Comp
L MX_Alps_Hybrid:MX-NoLED MX17
U 1 1 6170DB87
P 6600 4850
F 0 "MX17" H 6633 5073 60  0000 C CNN
F 1 "MX-NoLED" H 6633 4999 20  0000 C CNN
F 2 "MX_Alps_Hybrid:MX-1U" H 5975 4825 60  0001 C CNN
F 3 "" H 5975 4825 60  0001 C CNN
	1    6600 4850
	1    0    0    -1  
$EndComp
$Comp
L Device:D_Small D17
U 1 1 6170DB8D
P 6450 5100
F 0 "D17" V 6496 5030 50  0000 R CNN
F 1 "D_Small" V 6405 5030 50  0000 R CNN
F 2 "Diode_SMD:D_SOD-123" V 6450 5100 50  0001 C CNN
F 3 "~" V 6450 5100 50  0001 C CNN
	1    6450 5100
	0    -1   -1   0   
$EndComp
Wire Wire Line
	6450 5000 6550 5000
Text GLabel 4750 3800 0    50   Input ~ 0
ROW2
Text GLabel 4750 4500 0    50   Input ~ 0
ROW3
Text GLabel 4750 5200 0    50   Input ~ 0
ROW4
Text GLabel 6250 1650 1    50   Input ~ 0
COL2
Text GLabel 6750 1650 1    50   Input ~ 0
COL3
Wire Wire Line
	4750 5200 5450 5200
Connection ~ 5450 5200
Wire Wire Line
	5450 5200 5950 5200
Connection ~ 5950 5200
Wire Wire Line
	5950 5200 6450 5200
Wire Wire Line
	4750 4500 4950 4500
Connection ~ 4950 4500
Wire Wire Line
	4950 4500 5450 4500
Connection ~ 5450 4500
Wire Wire Line
	5450 4500 5950 4500
Wire Wire Line
	4750 3800 4950 3800
Connection ~ 4950 3800
Wire Wire Line
	4950 3800 5450 3800
Connection ~ 5450 3800
Wire Wire Line
	5450 3800 5950 3800
Connection ~ 5950 3800
Wire Wire Line
	5950 3800 6450 3800
Wire Wire Line
	5950 3100 5450 3100
Connection ~ 4950 3100
Wire Wire Line
	4950 3100 4750 3100
Connection ~ 5450 3100
Wire Wire Line
	5450 3100 4950 3100
Wire Wire Line
	6450 2400 5950 2400
Connection ~ 4950 2400
Connection ~ 5450 2400
Wire Wire Line
	5450 2400 4950 2400
Connection ~ 5950 2400
Wire Wire Line
	5950 2400 5450 2400
Wire Wire Line
	5250 1650 5250 2000
Connection ~ 5250 2000
Wire Wire Line
	5250 2000 5250 2700
Connection ~ 5250 2700
Wire Wire Line
	5250 2700 5250 3400
Connection ~ 5250 3400
Wire Wire Line
	5250 3400 5250 4100
Wire Wire Line
	5750 1650 5750 2000
Connection ~ 5750 2000
Wire Wire Line
	5750 2000 5750 2700
Connection ~ 5750 2700
Wire Wire Line
	5750 2700 5750 3400
Connection ~ 5750 3400
Wire Wire Line
	5750 3400 5750 4100
Connection ~ 5750 4100
Wire Wire Line
	5750 4100 5750 4800
Wire Wire Line
	6250 1650 6250 2000
Connection ~ 6250 2000
Wire Wire Line
	6250 2000 6250 2700
Connection ~ 6250 2700
Wire Wire Line
	6250 2700 6250 3400
Connection ~ 6250 3400
Wire Wire Line
	6250 3400 6250 4100
Connection ~ 6250 4100
Wire Wire Line
	6250 4100 6250 4800
Wire Wire Line
	6750 1650 6750 2000
Connection ~ 6750 2000
Wire Wire Line
	6750 2000 6750 3400
Connection ~ 6750 3400
Wire Wire Line
	6750 3400 6750 4800
Text GLabel 7450 2850 0    50   Input ~ 0
ROW0
Text GLabel 7450 2950 0    50   Input ~ 0
ROW1
Text GLabel 7450 3050 0    50   Input ~ 0
ROW2
Text GLabel 7450 3150 0    50   Input ~ 0
ROW3
Text GLabel 7450 3250 0    50   Input ~ 0
ROW4
Text GLabel 9050 2750 2    50   Input ~ 0
COL0
Text GLabel 9050 2850 2    50   Input ~ 0
COL1
Text GLabel 9050 2950 2    50   Input ~ 0
COL2
Text GLabel 9050 3050 2    50   Input ~ 0
COL3
Wire Wire Line
	8950 3050 9050 3050
Wire Wire Line
	8950 2950 9050 2950
Wire Wire Line
	8950 2850 9050 2850
Wire Wire Line
	8950 2750 9050 2750
Wire Wire Line
	7550 2850 7450 2850
Wire Wire Line
	7550 2950 7450 2950
Wire Wire Line
	7550 3050 7450 3050
Wire Wire Line
	7550 3150 7450 3150
Wire Wire Line
	7550 3250 7450 3250
$EndSCHEMATC