EESchema Schematic File Version 4
LIBS:keypad-cache
EELAYER 26 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 1 1
Title ""
Date ""
Rev ""
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L keypad-rescue:ttp229-lanhnd U9
U 1 1 5B8F5AD2
P 3350 2500
F 0 "U9" H 3775 4115 50  0000 C CNN
F 1 "ttp229" H 3775 4024 50  0000 C CNN
F 2 "Housings_SSOP:SSOP-28_3.9x9.9mm_Pitch0.635mm" H 3350 2500 50  0001 C CNN
F 3 "" H 3350 2500 50  0001 C CNN
	1    3350 2500
	1    0    0    -1  
$EndComp
$Comp
L keypad-rescue:ttp229-lanhnd U22
U 1 1 5B8F5C74
P 6600 2550
F 0 "U22" H 7025 4165 50  0000 C CNN
F 1 "ttp229" H 7025 4074 50  0000 C CNN
F 2 "Housings_SSOP:SSOP-28_3.9x9.9mm_Pitch0.635mm" H 6600 2550 50  0001 C CNN
F 3 "" H 6600 2550 50  0001 C CNN
	1    6600 2550
	1    0    0    -1  
$EndComp
$Comp
L power:+5V #PWR05
U 1 1 5B8F61B0
P 5200 1350
F 0 "#PWR05" H 5200 1200 50  0001 C CNN
F 1 "+5V" V 5215 1478 50  0000 L CNN
F 2 "" H 5200 1350 50  0001 C CNN
F 3 "" H 5200 1350 50  0001 C CNN
	1    5200 1350
	0    1    1    0   
$EndComp
$Comp
L power:+5V #PWR09
U 1 1 5B8F631C
P 8600 1400
F 0 "#PWR09" H 8600 1250 50  0001 C CNN
F 1 "+5V" V 8615 1528 50  0000 L CNN
F 2 "" H 8600 1400 50  0001 C CNN
F 3 "" H 8600 1400 50  0001 C CNN
	1    8600 1400
	0    1    1    0   
$EndComp
$Comp
L power:GND #PWR07
U 1 1 5B8F63C5
P 8200 900
F 0 "#PWR07" H 8200 650 50  0001 C CNN
F 1 "GND" H 8205 727 50  0000 C CNN
F 2 "" H 8200 900 50  0001 C CNN
F 3 "" H 8200 900 50  0001 C CNN
	1    8200 900 
	-1   0    0    1   
$EndComp
$Comp
L device:C_Small C16
U 1 1 5B8F657D
P 8550 1250
F 0 "C16" H 8642 1296 50  0000 L CNN
F 1 "106" H 8642 1205 50  0000 L CNN
F 2 "Capacitors_SMD:C_0805_HandSoldering" H 8550 1250 50  0001 C CNN
F 3 "" H 8550 1250 50  0001 C CNN
	1    8550 1250
	1    0    0    -1  
$EndComp
$Comp
L device:C_Small C15
U 1 1 5B8F665D
P 8200 1250
F 0 "C15" H 8292 1296 50  0000 L CNN
F 1 "104" H 8292 1205 50  0000 L CNN
F 2 "Capacitors_SMD:C_0805_HandSoldering" H 8200 1250 50  0001 C CNN
F 3 "" H 8200 1250 50  0001 C CNN
	1    8200 1250
	1    0    0    -1  
$EndComp
$Comp
L keypad-rescue:touch-lanhnd U1
U 1 1 5B8FA2EE
P 1200 5900
F 0 "U1" H 1300 6100 50  0000 C CNN
F 1 "touch" H 1300 6000 50  0000 C CNN
F 2 "iot:touch" H 1200 5900 50  0001 C CNN
F 3 "" H 1200 5900 50  0001 C CNN
	1    1200 5900
	1    0    0    -1  
$EndComp
$Comp
L keypad-rescue:touch-lanhnd U2
U 1 1 5B8FA477
P 1200 6250
F 0 "U2" H 1300 6400 50  0000 C CNN
F 1 "touch" H 1300 6300 50  0000 C CNN
F 2 "iot:touch" H 1200 6250 50  0001 C CNN
F 3 "" H 1200 6250 50  0001 C CNN
	1    1200 6250
	1    0    0    -1  
$EndComp
$Comp
L keypad-rescue:touch-lanhnd U3
U 1 1 5B8FA501
P 1200 6600
F 0 "U3" H 1300 6800 50  0000 C CNN
F 1 "touch" H 1350 6700 50  0000 C CNN
F 2 "iot:touch" H 1200 6600 50  0001 C CNN
F 3 "" H 1200 6600 50  0001 C CNN
	1    1200 6600
	1    0    0    -1  
$EndComp
$Comp
L keypad-rescue:touch-lanhnd U4
U 1 1 5B8FA781
P 1200 6900
F 0 "U4" H 1300 7100 50  0000 C CNN
F 1 "touch" H 1350 7000 50  0000 C CNN
F 2 "iot:touch" H 1200 6900 50  0001 C CNN
F 3 "" H 1200 6900 50  0001 C CNN
	1    1200 6900
	1    0    0    -1  
$EndComp
$Comp
L keypad-rescue:touch-lanhnd U5
U 1 1 5B8FA859
P 2200 5950
F 0 "U5" H 2300 6150 50  0000 C CNN
F 1 "touch" H 2350 6050 50  0000 C CNN
F 2 "iot:touch" H 2200 5950 50  0001 C CNN
F 3 "" H 2200 5950 50  0001 C CNN
	1    2200 5950
	1    0    0    -1  
$EndComp
$Comp
L keypad-rescue:touch-lanhnd U6
U 1 1 5B8FA889
P 2200 6250
F 0 "U6" H 2300 6450 50  0000 C CNN
F 1 "touch" H 2350 6350 50  0000 C CNN
F 2 "iot:touch" H 2200 6250 50  0001 C CNN
F 3 "" H 2200 6250 50  0001 C CNN
	1    2200 6250
	1    0    0    -1  
$EndComp
$Comp
L keypad-rescue:touch-lanhnd U7
U 1 1 5B8FA8B7
P 2200 6600
F 0 "U7" H 2300 6800 50  0000 C CNN
F 1 "touch" H 2350 6700 50  0000 C CNN
F 2 "iot:touch" H 2200 6600 50  0001 C CNN
F 3 "" H 2200 6600 50  0001 C CNN
	1    2200 6600
	1    0    0    -1  
$EndComp
$Comp
L keypad-rescue:touch-lanhnd U8
U 1 1 5B8FA8E7
P 2200 6950
F 0 "U8" H 2300 7150 50  0000 C CNN
F 1 "touch" H 2350 7050 50  0000 C CNN
F 2 "iot:touch" H 2200 6950 50  0001 C CNN
F 3 "" H 2200 6950 50  0001 C CNN
	1    2200 6950
	1    0    0    -1  
$EndComp
Wire Wire Line
	1450 5800 1750 5800
Wire Wire Line
	1450 6150 1750 6150
Wire Wire Line
	1450 6500 1750 6500
Wire Wire Line
	1450 6800 1750 6800
Wire Wire Line
	2450 5850 2800 5850
Wire Wire Line
	2450 6150 2750 6150
Wire Wire Line
	2450 6500 2750 6500
Wire Wire Line
	2450 6850 2750 6850
$Comp
L keypad-rescue:touch-lanhnd U10
U 1 1 5B8FBC64
P 3400 6000
F 0 "U10" H 3500 6200 50  0000 C CNN
F 1 "touch" H 3500 6100 50  0000 C CNN
F 2 "iot:touch" H 3400 6000 50  0001 C CNN
F 3 "" H 3400 6000 50  0001 C CNN
	1    3400 6000
	1    0    0    -1  
$EndComp
$Comp
L keypad-rescue:touch-lanhnd U11
U 1 1 5B8FBC6B
P 3400 6350
F 0 "U11" H 3500 6500 50  0000 C CNN
F 1 "touch" H 3500 6400 50  0000 C CNN
F 2 "iot:touch" H 3400 6350 50  0001 C CNN
F 3 "" H 3400 6350 50  0001 C CNN
	1    3400 6350
	1    0    0    -1  
$EndComp
$Comp
L keypad-rescue:touch-lanhnd U12
U 1 1 5B8FBC72
P 3400 6700
F 0 "U12" H 3500 6900 50  0000 C CNN
F 1 "touch" H 3550 6800 50  0000 C CNN
F 2 "iot:touch" H 3400 6700 50  0001 C CNN
F 3 "" H 3400 6700 50  0001 C CNN
	1    3400 6700
	1    0    0    -1  
$EndComp
$Comp
L keypad-rescue:touch-lanhnd U13
U 1 1 5B8FBC79
P 3400 7000
F 0 "U13" H 3500 7200 50  0000 C CNN
F 1 "touch" H 3550 7100 50  0000 C CNN
F 2 "iot:touch" H 3400 7000 50  0001 C CNN
F 3 "" H 3400 7000 50  0001 C CNN
	1    3400 7000
	1    0    0    -1  
$EndComp
$Comp
L keypad-rescue:touch-lanhnd U14
U 1 1 5B8FBC80
P 4600 6050
F 0 "U14" H 4700 6250 50  0000 C CNN
F 1 "touch" H 4750 6150 50  0000 C CNN
F 2 "iot:touch" H 4600 6050 50  0001 C CNN
F 3 "" H 4600 6050 50  0001 C CNN
	1    4600 6050
	1    0    0    -1  
$EndComp
$Comp
L keypad-rescue:touch-lanhnd U15
U 1 1 5B8FBC87
P 4600 6350
F 0 "U15" H 4700 6550 50  0000 C CNN
F 1 "touch" H 4750 6450 50  0000 C CNN
F 2 "iot:touch" H 4600 6350 50  0001 C CNN
F 3 "" H 4600 6350 50  0001 C CNN
	1    4600 6350
	1    0    0    -1  
$EndComp
$Comp
L keypad-rescue:touch-lanhnd U16
U 1 1 5B8FBC8E
P 4600 6700
F 0 "U16" H 4700 6900 50  0000 C CNN
F 1 "touch" H 4750 6800 50  0000 C CNN
F 2 "iot:touch" H 4600 6700 50  0001 C CNN
F 3 "" H 4600 6700 50  0001 C CNN
	1    4600 6700
	1    0    0    -1  
$EndComp
$Comp
L keypad-rescue:touch-lanhnd U17
U 1 1 5B8FBC95
P 4600 7050
F 0 "U17" H 4700 7250 50  0000 C CNN
F 1 "touch" H 4750 7150 50  0000 C CNN
F 2 "iot:touch" H 4600 7050 50  0001 C CNN
F 3 "" H 4600 7050 50  0001 C CNN
	1    4600 7050
	1    0    0    -1  
$EndComp
Wire Wire Line
	3650 5900 3950 5900
Wire Wire Line
	3650 6250 3950 6250
Wire Wire Line
	3650 6600 3950 6600
Wire Wire Line
	3650 6900 3950 6900
Wire Wire Line
	4850 5950 5200 5950
Wire Wire Line
	4850 6250 5150 6250
Wire Wire Line
	4850 6600 5150 6600
Wire Wire Line
	4850 6950 5150 6950
$Comp
L keypad-rescue:touch-lanhnd U18
U 1 1 5B8FD682
P 5750 6050
F 0 "U18" H 5850 6250 50  0000 C CNN
F 1 "touch" H 5900 6150 50  0000 C CNN
F 2 "iot:touch" H 5750 6050 50  0001 C CNN
F 3 "" H 5750 6050 50  0001 C CNN
	1    5750 6050
	1    0    0    -1  
$EndComp
$Comp
L keypad-rescue:touch-lanhnd U19
U 1 1 5B8FD689
P 5750 6350
F 0 "U19" H 5850 6550 50  0000 C CNN
F 1 "touch" H 5900 6450 50  0000 C CNN
F 2 "iot:touch" H 5750 6350 50  0001 C CNN
F 3 "" H 5750 6350 50  0001 C CNN
	1    5750 6350
	1    0    0    -1  
$EndComp
$Comp
L keypad-rescue:touch-lanhnd U20
U 1 1 5B8FD690
P 5750 6700
F 0 "U20" H 5850 6900 50  0000 C CNN
F 1 "touch" H 5900 6800 50  0000 C CNN
F 2 "iot:touch" H 5750 6700 50  0001 C CNN
F 3 "" H 5750 6700 50  0001 C CNN
	1    5750 6700
	1    0    0    -1  
$EndComp
$Comp
L keypad-rescue:touch-lanhnd U21
U 1 1 5B8FD697
P 5750 7050
F 0 "U21" H 5850 7250 50  0000 C CNN
F 1 "touch" H 5900 7150 50  0000 C CNN
F 2 "iot:touch" H 5750 7050 50  0001 C CNN
F 3 "" H 5750 7050 50  0001 C CNN
	1    5750 7050
	1    0    0    -1  
$EndComp
Wire Wire Line
	6000 5950 6350 5950
Wire Wire Line
	6000 6250 6300 6250
Wire Wire Line
	6000 6600 6300 6600
Wire Wire Line
	6000 6950 6300 6950
NoConn ~ 3250 1350
$Comp
L device:C_Variable C1
U 1 1 5B900EE6
P 2950 1450
F 0 "C1" V 2850 1300 50  0000 C CNN
F 1 "0-50pF" V 2950 1350 50  0000 C CNN
F 2 "Capacitors_SMD:C_0805_HandSoldering" H 2950 1450 50  0001 C CNN
F 3 "" H 2950 1450 50  0001 C CNN
	1    2950 1450
	0    1    1    0   
$EndComp
$Comp
L device:C_Variable C2
U 1 1 5B90123B
P 2950 1950
F 0 "C2" V 2800 1800 50  0000 C CNN
F 1 "0-50pF" V 2900 1900 50  0000 C CNN
F 2 "Capacitors_SMD:C_0805_HandSoldering" H 2950 1950 50  0001 C CNN
F 3 "" H 2950 1950 50  0001 C CNN
	1    2950 1950
	0    1    1    0   
$EndComp
$Comp
L device:C_Variable C3
U 1 1 5B9012CB
P 2950 2450
F 0 "C3" V 2850 2300 50  0000 C CNN
F 1 "0-50pF" V 2900 2350 50  0000 C CNN
F 2 "Capacitors_SMD:C_0805_HandSoldering" H 2950 2450 50  0001 C CNN
F 3 "" H 2950 2450 50  0001 C CNN
	1    2950 2450
	0    1    1    0   
$EndComp
$Comp
L device:C_Variable C6
U 1 1 5B901386
P 4750 2250
F 0 "C6" V 4498 2250 50  0000 C CNN
F 1 "0-50pF" V 4700 2350 50  0000 C CNN
F 2 "Capacitors_SMD:C_0805_HandSoldering" H 4750 2250 50  0001 C CNN
F 3 "" H 4750 2250 50  0001 C CNN
	1    4750 2250
	0    1    1    0   
$EndComp
$Comp
L device:C_Variable C5
U 1 1 5B901406
P 4600 1650
F 0 "C5" V 4500 1700 50  0000 C CNN
F 1 "0-50pF" V 4600 1800 50  0000 C CNN
F 2 "Capacitors_SMD:C_0805_HandSoldering" H 4600 1650 50  0001 C CNN
F 3 "" H 4600 1650 50  0001 C CNN
	1    4600 1650
	0    1    1    0   
$EndComp
$Comp
L device:C_Variable C4
U 1 1 5B901535
P 4450 1100
F 0 "C4" V 4198 1100 50  0000 C CNN
F 1 "0-50pF" V 4289 1100 50  0000 C CNN
F 2 "Capacitors_SMD:C_0805_HandSoldering" H 4450 1100 50  0001 C CNN
F 3 "" H 4450 1100 50  0001 C CNN
	1    4450 1100
	0    1    1    0   
$EndComp
$Comp
L device:C_Variable C9
U 1 1 5B901603
P 6150 1500
F 0 "C9" V 6000 1500 50  0000 C CNN
F 1 "0-50pF" V 6100 1500 50  0000 C CNN
F 2 "Capacitors_SMD:C_0805_HandSoldering" H 6150 1500 50  0001 C CNN
F 3 "" H 6150 1500 50  0001 C CNN
	1    6150 1500
	0    1    1    0   
$EndComp
$Comp
L device:C_Variable C10
U 1 1 5B901687
P 6150 2000
F 0 "C10" V 6000 2000 50  0000 C CNN
F 1 "0-50pF" V 6100 2050 50  0000 C CNN
F 2 "Capacitors_SMD:C_0805_HandSoldering" H 6150 2000 50  0001 C CNN
F 3 "" H 6150 2000 50  0001 C CNN
	1    6150 2000
	0    1    1    0   
$EndComp
$Comp
L device:C_Variable C11
U 1 1 5B9016F1
P 6150 2500
F 0 "C11" V 6050 2500 50  0000 C CNN
F 1 "0-50pF" V 6100 2500 50  0000 C CNN
F 2 "Capacitors_SMD:C_0805_HandSoldering" H 6150 2500 50  0001 C CNN
F 3 "" H 6150 2500 50  0001 C CNN
	1    6150 2500
	0    1    1    0   
$EndComp
$Comp
L device:C_Variable C13
U 1 1 5B901757
P 7900 2300
F 0 "C13" V 7800 2350 50  0000 C CNN
F 1 "0-50pF" V 7850 2350 50  0000 C CNN
F 2 "Capacitors_SMD:C_0805_HandSoldering" H 7900 2300 50  0001 C CNN
F 3 "" H 7900 2300 50  0001 C CNN
	1    7900 2300
	0    1    1    0   
$EndComp
$Comp
L device:C_Variable C12
U 1 1 5B9017D3
P 7900 1700
F 0 "C12" V 7800 1750 50  0000 C CNN
F 1 "0-50pF" V 7850 1750 50  0000 C CNN
F 2 "Capacitors_SMD:C_0805_HandSoldering" H 7900 1700 50  0001 C CNN
F 3 "" H 7900 1700 50  0001 C CNN
	1    7900 1700
	0    1    1    0   
$EndComp
$Comp
L device:C_Variable C14
U 1 1 5B901845
P 7950 950
F 0 "C14" V 7698 950 50  0000 C CNN
F 1 "0-50pF" V 7789 950 50  0000 C CNN
F 2 "Capacitors_SMD:C_0805_HandSoldering" H 7950 950 50  0001 C CNN
F 3 "" H 7950 950 50  0001 C CNN
	1    7950 950 
	0    1    1    0   
$EndComp
Wire Wire Line
	3100 1450 3250 1450
Wire Wire Line
	3100 1950 3250 1950
Wire Wire Line
	3100 2450 3250 2450
Wire Wire Line
	4300 1650 4450 1650
Wire Wire Line
	2800 1450 2600 1450
Wire Wire Line
	2600 1450 2600 1950
Wire Wire Line
	2600 1950 2800 1950
Wire Wire Line
	2800 2450 2600 2450
Wire Wire Line
	2600 2450 2600 1950
Connection ~ 2600 1950
Wire Wire Line
	4750 2250 4800 2250
$Comp
L power:GND #PWR04
U 1 1 5B906F66
P 4850 900
F 0 "#PWR04" H 4850 650 50  0001 C CNN
F 1 "GND" H 4855 727 50  0000 C CNN
F 2 "" H 4850 900 50  0001 C CNN
F 3 "" H 4850 900 50  0001 C CNN
	1    4850 900 
	-1   0    0    1   
$EndComp
Connection ~ 4850 1250
Wire Wire Line
	4750 1650 4850 1650
Wire Wire Line
	4850 1650 4850 1250
Wire Wire Line
	4300 1150 4300 1100
$Comp
L power:GND #PWR03
U 1 1 5B90A105
P 2600 1350
F 0 "#PWR03" H 2600 1100 50  0001 C CNN
F 1 "GND" H 2605 1177 50  0000 C CNN
F 2 "" H 2600 1350 50  0001 C CNN
F 3 "" H 2600 1350 50  0001 C CNN
	1    2600 1350
	-1   0    0    1   
$EndComp
Wire Wire Line
	2600 1350 2600 1450
Connection ~ 2600 1450
Wire Wire Line
	3250 1650 3050 1650
Wire Wire Line
	3250 1550 3050 1550
Wire Wire Line
	3250 1750 3050 1750
Wire Wire Line
	3250 1850 3050 1850
Wire Wire Line
	3250 2050 3050 2050
Wire Wire Line
	3250 2250 3050 2250
Wire Wire Line
	3250 2350 3050 2350
Wire Wire Line
	4300 1450 4550 1450
Wire Wire Line
	4300 1550 4550 1550
Wire Wire Line
	4300 1750 4550 1750
Wire Wire Line
	4300 1850 4550 1850
Wire Wire Line
	4300 2050 4550 2050
Wire Wire Line
	4300 2150 4550 2150
Wire Wire Line
	4300 2350 4550 2350
Wire Wire Line
	4300 2450 4550 2450
Wire Wire Line
	4300 2250 4600 2250
Wire Wire Line
	4900 2250 4900 1950
Wire Wire Line
	4900 1650 4850 1650
Connection ~ 4850 1650
Wire Wire Line
	3250 1150 3050 1150
Wire Wire Line
	3250 1250 3050 1250
Text Label 3050 1650 0    50   ~ 0
K1
Text Label 3050 1550 0    50   ~ 0
K2
Text Label 3050 1250 0    50   ~ 0
K3
Text Label 3050 1150 0    50   ~ 0
K4
Text Label 4400 1450 0    50   ~ 0
K5
Text Label 4400 1550 0    50   ~ 0
K6
Text Label 4400 1750 0    50   ~ 0
K7
Text Label 4400 1850 0    50   ~ 0
K8
Text Label 4350 2050 0    50   ~ 0
K9
Wire Wire Line
	4300 1950 4900 1950
Connection ~ 4900 1950
Wire Wire Line
	4900 1950 4900 1650
Text Label 4400 2150 0    50   ~ 0
K10
Text Label 4400 2350 0    50   ~ 0
K11
Text Label 4400 2450 0    50   ~ 0
K12
Wire Wire Line
	3250 2150 3050 2150
Text Label 3100 2150 0    50   ~ 0
K13
Text Label 3100 2050 0    50   ~ 0
K14
Text Label 3100 1850 0    50   ~ 0
K15
Text Label 3100 1750 0    50   ~ 0
K16
Wire Wire Line
	6300 1500 6500 1500
Wire Wire Line
	6300 2000 6500 2000
Wire Wire Line
	6300 2500 6500 2500
Wire Wire Line
	7550 1700 7750 1700
Wire Wire Line
	7550 1400 8200 1400
Wire Wire Line
	8200 1350 8200 1400
Connection ~ 8200 1400
Wire Wire Line
	8100 950  8200 950 
Wire Wire Line
	8200 950  8200 1100
Wire Wire Line
	8200 900  8200 950 
Connection ~ 8200 950 
$Comp
L device:C_Small C7
U 1 1 5B93E69D
P 5050 1150
F 0 "C7" H 5142 1196 50  0000 L CNN
F 1 "104" H 5142 1105 50  0000 L CNN
F 2 "Capacitors_SMD:C_0805_HandSoldering" H 5050 1150 50  0001 C CNN
F 3 "" H 5050 1150 50  0001 C CNN
	1    5050 1150
	1    0    0    -1  
$EndComp
$Comp
L device:C_Small C8
U 1 1 5B93E92D
P 5200 1150
F 0 "C8" H 5292 1196 50  0000 L CNN
F 1 "106" H 5292 1105 50  0000 L CNN
F 2 "Capacitors_SMD:C_0805_HandSoldering" H 5200 1150 50  0001 C CNN
F 3 "" H 5200 1150 50  0001 C CNN
	1    5200 1150
	1    0    0    -1  
$EndComp
Wire Wire Line
	8200 1400 8550 1400
Wire Wire Line
	8550 1350 8550 1400
Connection ~ 8550 1400
Wire Wire Line
	8550 1400 8600 1400
Wire Wire Line
	8200 1100 8550 1100
Wire Wire Line
	8550 1100 8550 1150
Connection ~ 8200 1100
Wire Wire Line
	8200 1100 8200 1150
Wire Wire Line
	7550 2300 7750 2300
Wire Wire Line
	8050 1700 8050 2000
$Comp
L power:GND #PWR08
U 1 1 5B949575
P 8300 1700
F 0 "#PWR08" H 8300 1450 50  0001 C CNN
F 1 "GND" H 8305 1527 50  0000 C CNN
F 2 "" H 8300 1700 50  0001 C CNN
F 3 "" H 8300 1700 50  0001 C CNN
	1    8300 1700
	0    -1   -1   0   
$EndComp
Wire Wire Line
	8050 1700 8300 1700
Connection ~ 8050 1700
Wire Wire Line
	4300 1350 5050 1350
Wire Wire Line
	5200 1250 5200 1350
Connection ~ 5200 1350
Wire Wire Line
	5050 1250 5050 1350
Connection ~ 5050 1350
Wire Wire Line
	5050 1350 5200 1350
Wire Wire Line
	4850 900  4850 1050
Wire Wire Line
	5200 1050 5050 1050
Connection ~ 4850 1050
Wire Wire Line
	4850 1050 4850 1100
Connection ~ 5050 1050
Wire Wire Line
	5050 1050 4850 1050
Wire Wire Line
	6000 1500 6000 1800
Connection ~ 6000 2000
Wire Wire Line
	6000 2000 6000 2500
$Comp
L power:GND #PWR06
U 1 1 5B95AC7A
P 5850 1800
F 0 "#PWR06" H 5850 1550 50  0001 C CNN
F 1 "GND" H 5855 1627 50  0000 C CNN
F 2 "" H 5850 1800 50  0001 C CNN
F 3 "" H 5850 1800 50  0001 C CNN
	1    5850 1800
	0    1    1    0   
$EndComp
Wire Wire Line
	5850 1800 6000 1800
Connection ~ 6000 1800
Wire Wire Line
	6000 1800 6000 2000
Text Label 3050 2250 0    50   ~ 0
SDO1
Text Label 3050 2350 0    50   ~ 0
SCL1
Text Label 1550 5800 0    50   ~ 0
K1
Text Label 1550 6150 0    50   ~ 0
K2
Text Label 1550 6500 0    50   ~ 0
K3
Text Label 1600 6800 0    50   ~ 0
K4
Text Label 2600 5850 0    50   ~ 0
K5
Text Label 2600 6150 0    50   ~ 0
K6
Text Label 2600 6500 0    50   ~ 0
K7
Text Label 2600 6850 0    50   ~ 0
K8
Text Label 3750 5900 0    50   ~ 0
K9
Text Label 3750 6250 0    50   ~ 0
K10
Text Label 3800 6600 0    50   ~ 0
K11
Text Label 3800 6900 0    50   ~ 0
K12
Text Label 5000 5950 0    50   ~ 0
K13
Text Label 5000 6250 0    50   ~ 0
K14
Text Label 5000 6600 0    50   ~ 0
K15
Text Label 5000 6950 0    50   ~ 0
K16
Wire Wire Line
	6500 1700 6250 1700
Wire Wire Line
	6500 1600 6250 1600
NoConn ~ 6500 1400
Wire Wire Line
	6500 1300 6250 1300
Wire Wire Line
	6500 1200 6250 1200
Text Label 6250 1700 0    50   ~ 0
K17
Text Label 6250 1600 0    50   ~ 0
K18
Text Label 6250 1300 0    50   ~ 0
K19
Text Label 6250 1200 0    50   ~ 0
K20
Wire Wire Line
	7550 1300 7800 1300
Wire Wire Line
	7800 1300 7800 1100
Wire Wire Line
	7800 1100 8200 1100
Wire Wire Line
	7550 1200 7600 1200
Wire Wire Line
	7600 1200 7600 950 
Wire Wire Line
	7600 950  7800 950 
Wire Wire Line
	4300 1250 4850 1250
Wire Wire Line
	4600 1100 4850 1100
Connection ~ 4850 1100
Wire Wire Line
	4850 1100 4850 1250
Wire Wire Line
	6500 2400 6300 2400
Wire Wire Line
	6500 2300 6300 2300
Text Label 6300 2300 0    50   ~ 0
SDO2
Text Label 6300 2400 0    50   ~ 0
SCL2
NoConn ~ 6500 1800
NoConn ~ 6500 1900
NoConn ~ 6500 2100
NoConn ~ 6500 2200
NoConn ~ 7550 2400
NoConn ~ 7550 2500
NoConn ~ 7550 2200
NoConn ~ 7550 2100
NoConn ~ 7550 1900
NoConn ~ 7550 1800
Wire Wire Line
	7550 2000 8050 2000
Connection ~ 8050 2000
Wire Wire Line
	8050 2000 8050 2300
NoConn ~ 7550 1600
Text Label 6100 5950 0    50   ~ 0
K17
Text Label 6100 6250 0    50   ~ 0
K18
Text Label 6100 6600 0    50   ~ 0
K19
Text Label 6100 6950 0    50   ~ 0
K20
Wire Wire Line
	1300 1300 1600 1300
Wire Wire Line
	1300 1500 1600 1500
Wire Wire Line
	1300 1600 1600 1600
$Comp
L Connector:Conn_01x06 J1
U 1 1 5B9D1E41
P 1100 1400
F 0 "J1" H 1020 875 50  0000 C CNN
F 1 "Conn_01x06" H 1020 966 50  0000 C CNN
F 2 "Pin_Headers:Pin_Header_Straight_1x06_Pitch2.54mm" H 1100 1400 50  0001 C CNN
F 3 "~" H 1100 1400 50  0001 C CNN
	1    1100 1400
	-1   0    0    1   
$EndComp
Text Label 1350 1300 0    50   ~ 0
SCL1
Text Label 1350 1400 0    50   ~ 0
SDO1
$Comp
L device:R R2
U 1 1 5B927AF0
P 1450 3300
F 0 "R2" V 1243 3300 50  0000 C CNN
F 1 "820K" V 1334 3300 50  0000 C CNN
F 2 "Resistors_SMD:R_0805" V 1380 3300 50  0001 C CNN
F 3 "" H 1450 3300 50  0001 C CNN
	1    1450 3300
	0    1    1    0   
$EndComp
$Comp
L device:R R3
U 1 1 5B927B54
P 1450 3550
F 0 "R3" V 1243 3550 50  0000 C CNN
F 1 "820K" V 1334 3550 50  0000 C CNN
F 2 "Resistors_SMD:R_0805" V 1380 3550 50  0001 C CNN
F 3 "" H 1450 3550 50  0001 C CNN
	1    1450 3550
	0    1    1    0   
$EndComp
Wire Wire Line
	1150 3300 1300 3300
Wire Wire Line
	1300 3550 1150 3550
Wire Wire Line
	1150 3550 1150 3300
Connection ~ 1150 3550
Wire Wire Line
	1600 3300 1800 3300
Wire Wire Line
	1600 3550 1800 3550
Text Label 1650 3550 0    50   ~ 0
K3
Text Label 1650 3300 0    50   ~ 0
K4
Wire Wire Line
	7550 1500 7800 1500
Text Label 7650 1500 0    50   ~ 0
K21
Wire Wire Line
	1300 1100 1600 1100
Text Label 1350 1100 0    50   ~ 0
SCL2
Text Label 1350 1200 0    50   ~ 0
SDO2
$Comp
L power:+5V #PWR02
U 1 1 5B985315
P 1600 1500
F 0 "#PWR02" H 1600 1350 50  0001 C CNN
F 1 "+5V" V 1615 1628 50  0000 L CNN
F 2 "" H 1600 1500 50  0001 C CNN
F 3 "" H 1600 1500 50  0001 C CNN
	1    1600 1500
	0    1    1    0   
$EndComp
$Comp
L power:GND #PWR010
U 1 1 5B985546
P 1600 1600
F 0 "#PWR010" H 1600 1350 50  0001 C CNN
F 1 "GND" H 1605 1427 50  0000 C CNN
F 2 "" H 1600 1600 50  0001 C CNN
F 3 "" H 1600 1600 50  0001 C CNN
	1    1600 1600
	1    0    0    -1  
$EndComp
$Comp
L device:R R1
U 1 1 5BADE8D8
P 1450 3800
F 0 "R1" V 1243 3800 50  0000 C CNN
F 1 "820K" V 1334 3800 50  0000 C CNN
F 2 "Resistors_SMD:R_0805" V 1380 3800 50  0001 C CNN
F 3 "" H 1450 3800 50  0001 C CNN
	1    1450 3800
	0    1    1    0   
$EndComp
$Comp
L device:R R4
U 1 1 5BADEA6C
P 1450 4000
F 0 "R4" V 1243 4000 50  0000 C CNN
F 1 "820K" V 1334 4000 50  0000 C CNN
F 2 "Resistors_SMD:R_0805" V 1380 4000 50  0001 C CNN
F 3 "" H 1450 4000 50  0001 C CNN
	1    1450 4000
	0    1    1    0   
$EndComp
$Comp
L power:GND #PWR01
U 1 1 5BADF387
P 1150 4050
F 0 "#PWR01" H 1150 3800 50  0001 C CNN
F 1 "GND" H 1155 3877 50  0000 C CNN
F 2 "" H 1150 4050 50  0001 C CNN
F 3 "" H 1150 4050 50  0001 C CNN
	1    1150 4050
	1    0    0    -1  
$EndComp
Wire Wire Line
	1150 3550 1150 3800
Wire Wire Line
	1300 3800 1150 3800
Connection ~ 1150 3800
Wire Wire Line
	1150 3800 1150 4000
Wire Wire Line
	1300 4000 1150 4000
Connection ~ 1150 4000
Wire Wire Line
	1150 4000 1150 4050
Wire Wire Line
	1600 3800 1800 3800
Wire Wire Line
	1600 4000 1800 4000
$Comp
L device:R R8
U 1 1 5BB04221
P 2550 4050
F 0 "R8" V 2343 4050 50  0000 C CNN
F 1 "820K" V 2434 4050 50  0000 C CNN
F 2 "Resistors_SMD:R_0805" V 2480 4050 50  0001 C CNN
F 3 "" H 2550 4050 50  0001 C CNN
	1    2550 4050
	0    1    1    0   
$EndComp
$Comp
L device:R R7
U 1 1 5BB042C3
P 2550 3800
F 0 "R7" V 2343 3800 50  0000 C CNN
F 1 "820K" V 2434 3800 50  0000 C CNN
F 2 "Resistors_SMD:R_0805" V 2480 3800 50  0001 C CNN
F 3 "" H 2550 3800 50  0001 C CNN
	1    2550 3800
	0    1    1    0   
$EndComp
$Comp
L device:R R6
U 1 1 5BB04341
P 2550 3550
F 0 "R6" V 2343 3550 50  0000 C CNN
F 1 "820K" V 2434 3550 50  0000 C CNN
F 2 "Resistors_SMD:R_0805" V 2480 3550 50  0001 C CNN
F 3 "" H 2550 3550 50  0001 C CNN
	1    2550 3550
	0    1    1    0   
$EndComp
$Comp
L device:R R5
U 1 1 5BB043BB
P 2550 3300
F 0 "R5" V 2343 3300 50  0000 C CNN
F 1 "820K" V 2434 3300 50  0000 C CNN
F 2 "Resistors_SMD:R_0805" V 2480 3300 50  0001 C CNN
F 3 "" H 2550 3300 50  0001 C CNN
	1    2550 3300
	0    1    1    0   
$EndComp
Wire Wire Line
	2250 4050 2400 4050
Wire Wire Line
	2250 4050 2250 3800
Wire Wire Line
	2250 3300 2400 3300
Wire Wire Line
	2400 3550 2250 3550
Connection ~ 2250 3550
Wire Wire Line
	2250 3550 2250 3300
Wire Wire Line
	2400 3800 2250 3800
Connection ~ 2250 3800
Wire Wire Line
	2250 3800 2250 3550
$Comp
L power:GND #PWR011
U 1 1 5BB24F5C
P 2250 4100
F 0 "#PWR011" H 2250 3850 50  0001 C CNN
F 1 "GND" H 2255 3927 50  0000 C CNN
F 2 "" H 2250 4100 50  0001 C CNN
F 3 "" H 2250 4100 50  0001 C CNN
	1    2250 4100
	1    0    0    -1  
$EndComp
Wire Wire Line
	2250 4100 2250 4050
Connection ~ 2250 4050
$Comp
L device:R R12
U 1 1 5BB38E9D
P 3400 4050
F 0 "R12" V 3193 4050 50  0000 C CNN
F 1 "820K" V 3284 4050 50  0000 C CNN
F 2 "Resistors_SMD:R_0805" V 3330 4050 50  0001 C CNN
F 3 "" H 3400 4050 50  0001 C CNN
	1    3400 4050
	0    1    1    0   
$EndComp
$Comp
L device:R R11
U 1 1 5BB38FAF
P 3400 3800
F 0 "R11" V 3193 3800 50  0000 C CNN
F 1 "820K" V 3284 3800 50  0000 C CNN
F 2 "Resistors_SMD:R_0805" V 3330 3800 50  0001 C CNN
F 3 "" H 3400 3800 50  0001 C CNN
	1    3400 3800
	0    1    1    0   
$EndComp
$Comp
L device:R R10
U 1 1 5BB39135
P 3400 3550
F 0 "R10" V 3193 3550 50  0000 C CNN
F 1 "820K" V 3284 3550 50  0000 C CNN
F 2 "Resistors_SMD:R_0805" V 3330 3550 50  0001 C CNN
F 3 "" H 3400 3550 50  0001 C CNN
	1    3400 3550
	0    1    1    0   
$EndComp
$Comp
L device:R R9
U 1 1 5BB391CD
P 3400 3300
F 0 "R9" V 3193 3300 50  0000 C CNN
F 1 "820K" V 3284 3300 50  0000 C CNN
F 2 "Resistors_SMD:R_0805" V 3330 3300 50  0001 C CNN
F 3 "" H 3400 3300 50  0001 C CNN
	1    3400 3300
	0    1    1    0   
$EndComp
$Comp
L device:R R16
U 1 1 5BB39361
P 4150 4050
F 0 "R16" V 3943 4050 50  0000 C CNN
F 1 "820K" V 4034 4050 50  0000 C CNN
F 2 "Resistors_SMD:R_0805" V 4080 4050 50  0001 C CNN
F 3 "" H 4150 4050 50  0001 C CNN
	1    4150 4050
	0    1    1    0   
$EndComp
$Comp
L device:R R15
U 1 1 5BB393F9
P 4150 3800
F 0 "R15" V 3943 3800 50  0000 C CNN
F 1 "820K" V 4034 3800 50  0000 C CNN
F 2 "Resistors_SMD:R_0805" V 4080 3800 50  0001 C CNN
F 3 "" H 4150 3800 50  0001 C CNN
	1    4150 3800
	0    1    1    0   
$EndComp
$Comp
L device:R R14
U 1 1 5BB39483
P 4150 3550
F 0 "R14" V 3943 3550 50  0000 C CNN
F 1 "820K" V 4034 3550 50  0000 C CNN
F 2 "Resistors_SMD:R_0805" V 4080 3550 50  0001 C CNN
F 3 "" H 4150 3550 50  0001 C CNN
	1    4150 3550
	0    1    1    0   
$EndComp
$Comp
L device:R R13
U 1 1 5BB39513
P 4150 3300
F 0 "R13" V 3943 3300 50  0000 C CNN
F 1 "820K" V 4034 3300 50  0000 C CNN
F 2 "Resistors_SMD:R_0805" V 4080 3300 50  0001 C CNN
F 3 "" H 4150 3300 50  0001 C CNN
	1    4150 3300
	0    1    1    0   
$EndComp
$Comp
L device:R R20
U 1 1 5BB44F7E
P 4850 4050
F 0 "R20" V 4643 4050 50  0000 C CNN
F 1 "820K" V 4734 4050 50  0000 C CNN
F 2 "Resistors_SMD:R_0805" V 4780 4050 50  0001 C CNN
F 3 "" H 4850 4050 50  0001 C CNN
	1    4850 4050
	0    1    1    0   
$EndComp
$Comp
L device:R R19
U 1 1 5BB45018
P 4850 3800
F 0 "R19" V 4643 3800 50  0000 C CNN
F 1 "820K" V 4734 3800 50  0000 C CNN
F 2 "Resistors_SMD:R_0805" V 4780 3800 50  0001 C CNN
F 3 "" H 4850 3800 50  0001 C CNN
	1    4850 3800
	0    1    1    0   
$EndComp
$Comp
L device:R R18
U 1 1 5BB450A4
P 4850 3550
F 0 "R18" V 4643 3550 50  0000 C CNN
F 1 "820K" V 4734 3550 50  0000 C CNN
F 2 "Resistors_SMD:R_0805" V 4780 3550 50  0001 C CNN
F 3 "" H 4850 3550 50  0001 C CNN
	1    4850 3550
	0    1    1    0   
$EndComp
$Comp
L device:R R17
U 1 1 5BB4512E
P 4850 3300
F 0 "R17" V 4643 3300 50  0000 C CNN
F 1 "820K" V 4734 3300 50  0000 C CNN
F 2 "Resistors_SMD:R_0805" V 4780 3300 50  0001 C CNN
F 3 "" H 4850 3300 50  0001 C CNN
	1    4850 3300
	0    1    1    0   
$EndComp
Wire Wire Line
	3250 3300 3150 3300
Wire Wire Line
	3150 3300 3150 3550
Wire Wire Line
	3150 4050 3250 4050
$Comp
L power:GND #PWR012
U 1 1 5BB4C35B
P 3150 4100
F 0 "#PWR012" H 3150 3850 50  0001 C CNN
F 1 "GND" H 3155 3927 50  0000 C CNN
F 2 "" H 3150 4100 50  0001 C CNN
F 3 "" H 3150 4100 50  0001 C CNN
	1    3150 4100
	1    0    0    -1  
$EndComp
Wire Wire Line
	3150 4100 3150 4050
Connection ~ 3150 4050
Wire Wire Line
	3250 3800 3150 3800
Connection ~ 3150 3800
Wire Wire Line
	3150 3800 3150 4050
Wire Wire Line
	3250 3550 3150 3550
Connection ~ 3150 3550
Wire Wire Line
	3150 3550 3150 3800
$Comp
L power:GND #PWR013
U 1 1 5BB5ED3B
P 3950 4100
F 0 "#PWR013" H 3950 3850 50  0001 C CNN
F 1 "GND" H 3955 3927 50  0000 C CNN
F 2 "" H 3950 4100 50  0001 C CNN
F 3 "" H 3950 4100 50  0001 C CNN
	1    3950 4100
	1    0    0    -1  
$EndComp
Wire Wire Line
	3950 4100 3950 4050
Wire Wire Line
	3950 3300 4000 3300
Wire Wire Line
	4000 3550 3950 3550
Connection ~ 3950 3550
Wire Wire Line
	3950 3550 3950 3300
Wire Wire Line
	4000 3800 3950 3800
Connection ~ 3950 3800
Wire Wire Line
	3950 3800 3950 3550
Wire Wire Line
	4000 4050 3950 4050
Connection ~ 3950 4050
Wire Wire Line
	3950 4050 3950 3800
$Comp
L power:GND #PWR014
U 1 1 5BB79D55
P 4650 4100
F 0 "#PWR014" H 4650 3850 50  0001 C CNN
F 1 "GND" H 4655 3927 50  0000 C CNN
F 2 "" H 4650 4100 50  0001 C CNN
F 3 "" H 4650 4100 50  0001 C CNN
	1    4650 4100
	1    0    0    -1  
$EndComp
Wire Wire Line
	4650 4100 4650 4050
Wire Wire Line
	4650 3300 4700 3300
Wire Wire Line
	4700 3550 4650 3550
Connection ~ 4650 3550
Wire Wire Line
	4650 3550 4650 3300
Wire Wire Line
	4700 3800 4650 3800
Connection ~ 4650 3800
Wire Wire Line
	4650 3800 4650 3550
Wire Wire Line
	4700 4050 4650 4050
Connection ~ 4650 4050
Wire Wire Line
	4650 4050 4650 3800
Wire Wire Line
	2700 3300 2900 3300
Wire Wire Line
	2700 3550 2900 3550
Wire Wire Line
	2700 3800 2900 3800
Wire Wire Line
	2700 4050 2900 4050
Wire Wire Line
	3550 3300 3750 3300
Wire Wire Line
	3550 3550 3750 3550
Wire Wire Line
	3550 3800 3750 3800
Wire Wire Line
	3550 4050 3750 4050
Wire Wire Line
	4300 3300 4500 3300
Wire Wire Line
	4300 3550 4500 3550
Wire Wire Line
	4300 3800 4500 3800
Wire Wire Line
	4300 4050 4500 4050
Wire Wire Line
	5000 3300 5250 3300
Wire Wire Line
	5000 3550 5250 3550
Wire Wire Line
	5000 3800 5250 3800
Wire Wire Line
	5000 4050 5250 4050
Text Label 1650 4000 0    50   ~ 0
K1
Text Label 1650 3800 0    50   ~ 0
K2
Text Label 2800 4050 0    50   ~ 0
K5
Text Label 2800 3800 0    50   ~ 0
K6
Text Label 2800 3550 0    50   ~ 0
K7
Text Label 2800 3300 0    50   ~ 0
K8
Text Label 3600 4050 0    50   ~ 0
K9
Text Label 3600 3800 0    50   ~ 0
K10
Text Label 3600 3550 0    50   ~ 0
K11
Text Label 3600 3300 0    50   ~ 0
K12
Text Label 4400 4050 0    50   ~ 0
K13
Text Label 4400 3800 0    50   ~ 0
K14
Text Label 4400 3550 0    50   ~ 0
K15
Text Label 4400 3300 0    50   ~ 0
K16
Text Label 5100 4050 0    50   ~ 0
K17
Text Label 5100 3800 0    50   ~ 0
K18
Text Label 5100 3550 0    50   ~ 0
K19
Text Label 5100 3300 0    50   ~ 0
K20
$Comp
L device:R R21
U 1 1 5BC25C35
P 5700 4050
F 0 "R21" V 5493 4050 50  0000 C CNN
F 1 "820K" V 5584 4050 50  0000 C CNN
F 2 "Resistors_SMD:R_0805" V 5630 4050 50  0001 C CNN
F 3 "" H 5700 4050 50  0001 C CNN
	1    5700 4050
	0    1    1    0   
$EndComp
$Comp
L power:GND #PWR015
U 1 1 5BC25CF1
P 5550 4100
F 0 "#PWR015" H 5550 3850 50  0001 C CNN
F 1 "GND" H 5555 3927 50  0000 C CNN
F 2 "" H 5550 4100 50  0001 C CNN
F 3 "" H 5550 4100 50  0001 C CNN
	1    5550 4100
	1    0    0    -1  
$EndComp
Wire Wire Line
	5550 4100 5550 4050
Wire Wire Line
	5850 4050 6100 4050
Text Label 5950 4050 0    50   ~ 0
K21
$Comp
L device:R R22
U 1 1 5BAD55B2
P 1850 1250
F 0 "R22" V 1643 1250 50  0000 C CNN
F 1 "0R" V 1734 1250 50  0000 C CNN
F 2 "Resistors_SMD:R_0805" V 1780 1250 50  0001 C CNN
F 3 "" H 1850 1250 50  0001 C CNN
	1    1850 1250
	-1   0    0    1   
$EndComp
Wire Wire Line
	1300 1400 1850 1400
Wire Wire Line
	1850 1200 1850 1100
Wire Wire Line
	1300 1200 1850 1200
$EndSCHEMATC