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 fab:Microcontroller_ATSAMD21E17A-AUT U1
U 1 1 61708E4F
P 3400 3500
F 0 "U1" H 4030 3546 50  0000 L CNN
F 1 "Microcontroller_ATSAMD21E17A-AUT" H 4030 3455 50  0000 L CNN
F 2 "fab:TQFP-32_7x7mm_P0.8mm" H 4300 1650 50  0001 C CNN
F 3 "https://ww1.microchip.com/downloads/en/DeviceDoc/SAM_D21_DA1_Family_DataSheet_DS40001882F.pdf" H 3400 3500 50  0001 C CNN
	1    3400 3500
	1    0    0    -1  
$EndComp
$Comp
L Connector:USB_A J1
U 1 1 61709CEB
P 1450 1500
F 0 "J1" H 1507 1967 50  0000 C CNN
F 1 "USB_A" H 1507 1876 50  0000 C CNN
F 2 "usb_plug:USB_PLUG_TRACES" H 1600 1450 50  0001 C CNN
F 3 " ~" H 1600 1450 50  0001 C CNN
	1    1450 1500
	1    0    0    -1  
$EndComp
Wire Wire Line
	1750 4300 2700 4300
Wire Wire Line
	1750 1600 1750 2350
Wire Wire Line
	1750 1500 1950 1500
Wire Wire Line
	1950 1500 1950 4400
Wire Wire Line
	1950 4400 2700 4400
$Comp
L power:GND #PWR016
U 1 1 6170FCEF
P 6100 3000
F 0 "#PWR016" H 6100 2750 50  0001 C CNN
F 1 "GND" H 6105 2827 50  0000 C CNN
F 2 "" H 6100 3000 50  0001 C CNN
F 3 "" H 6100 3000 50  0001 C CNN
	1    6100 3000
	1    0    0    -1  
$EndComp
Wire Wire Line
	6400 2650 6100 2650
Wire Wire Line
	6400 2550 6100 2550
Wire Wire Line
	6100 2550 6100 2650
Connection ~ 6100 2650
Wire Wire Line
	6900 2850 7100 2850
Wire Wire Line
	2500 5600 2500 5200
Wire Wire Line
	2500 5200 2700 5200
Text Label 2100 5150 0    50   ~ 0
SWDIO
Text Label 1750 4900 0    50   ~ 0
SWDCLK
Wire Wire Line
	2700 5000 2100 5000
Wire Wire Line
	2100 5000 2100 5150
Text Label 7950 2500 0    50   ~ 0
SWDCLK
Text Label 7300 2450 0    50   ~ 0
SWDIO
$Comp
L fab:Conn_PinHeader_2x05_P1.27mm_Vertical_SMD J2
U 1 1 617150F6
P 6600 2650
F 0 "J2" H 6650 3067 50  0000 C CNN
F 1 "Conn_PinHeader_2x05_P1.27mm_Vertical_SMD" H 6650 2976 50  0000 C CNN
F 2 "fab:PinHeader_2x05_P1.27mm_Vertical_SMD" H 6600 2650 50  0001 C CNN
F 3 "https://cdn.amphenol-icc.com/media/wysiwyg/files/drawing/20021121.pdf" H 6600 2650 50  0001 C CNN
	1    6600 2650
	1    0    0    -1  
$EndComp
Wire Wire Line
	6900 2450 7300 2450
Wire Wire Line
	7950 2500 6900 2500
Wire Wire Line
	6900 2500 6900 2550
$Comp
L fab:Regulator_Linear_LM3480-3.3V-100mA U2
U 1 1 61716A24
P 5000 1800
F 0 "U2" H 5000 2042 50  0000 C CNN
F 1 "Regulator_Linear_LM3480-3.3V-100mA" H 5000 1951 50  0000 C CNN
F 2 "fab:SOT-23" H 5000 2025 50  0001 C CIN
F 3 "https://www.ti.com/lit/ds/symlink/lm3480.pdf" H 5000 1800 50  0001 C CNN
	1    5000 1800
	1    0    0    -1  
$EndComp
Wire Wire Line
	6100 2650 6100 2750
Wire Wire Line
	6400 2850 6100 2850
Connection ~ 6100 2850
Wire Wire Line
	6100 2850 6100 3000
$Comp
L fab:C C_10uF2
U 1 1 617197CF
P 5000 3000
F 0 "C_10uF2" H 5115 3046 50  0000 L CNN
F 1 "C" H 5115 2955 50  0000 L CNN
F 2 "fab:C_1206" H 5038 2850 50  0001 C CNN
F 3 "" H 5000 3000 50  0001 C CNN
	1    5000 3000
	1    0    0    -1  
$EndComp
Wire Wire Line
	5300 1800 5300 2650
Wire Wire Line
	5300 2850 5000 2850
$Comp
L power:GND #PWR012
U 1 1 6171AEA9
P 5000 2100
F 0 "#PWR012" H 5000 1850 50  0001 C CNN
F 1 "GND" H 5005 1927 50  0000 C CNN
F 2 "" H 5000 2100 50  0001 C CNN
F 3 "" H 5000 2100 50  0001 C CNN
	1    5000 2100
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR02
U 1 1 6170CB63
P 1450 1900
F 0 "#PWR02" H 1450 1650 50  0001 C CNN
F 1 "GND" H 1455 1727 50  0000 C CNN
F 2 "" H 1450 1900 50  0001 C CNN
F 3 "" H 1450 1900 50  0001 C CNN
	1    1450 1900
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR013
U 1 1 6171DA2A
P 5000 3150
F 0 "#PWR013" H 5000 2900 50  0001 C CNN
F 1 "GND" H 5005 2977 50  0000 C CNN
F 2 "" H 5000 3150 50  0001 C CNN
F 3 "" H 5000 3150 50  0001 C CNN
	1    5000 3150
	1    0    0    -1  
$EndComp
$Comp
L power:+5V #PWR03
U 1 1 6171ED38
P 1750 1300
F 0 "#PWR03" H 1750 1150 50  0001 C CNN
F 1 "+5V" H 1765 1473 50  0000 C CNN
F 2 "" H 1750 1300 50  0001 C CNN
F 3 "" H 1750 1300 50  0001 C CNN
	1    1750 1300
	1    0    0    -1  
$EndComp
$Comp
L power:+5V #PWR08
U 1 1 6171F4DF
P 4500 1350
F 0 "#PWR08" H 4500 1200 50  0001 C CNN
F 1 "+5V" H 4515 1523 50  0000 C CNN
F 2 "" H 4500 1350 50  0001 C CNN
F 3 "" H 4500 1350 50  0001 C CNN
	1    4500 1350
	1    0    0    -1  
$EndComp
Wire Wire Line
	4700 1800 4500 1800
Wire Wire Line
	4500 1800 4500 1350
Wire Wire Line
	3300 1600 3300 1500
Wire Wire Line
	3300 1500 3750 1500
Wire Wire Line
	4150 1500 4150 1600
Wire Wire Line
	4150 2650 5300 2650
Connection ~ 5300 2650
Wire Wire Line
	5300 2650 5300 2850
Wire Wire Line
	3700 1600 4150 1600
Connection ~ 4150 1600
Wire Wire Line
	4150 1600 4150 2650
Wire Wire Line
	6400 2750 6100 2750
Connection ~ 6100 2750
Wire Wire Line
	6100 2750 6100 2850
$Comp
L power:+3V3 #PWR015
U 1 1 617215E8
P 6050 1750
F 0 "#PWR015" H 6050 1600 50  0001 C CNN
F 1 "+3V3" H 6065 1923 50  0000 C CNN
F 2 "" H 6050 1750 50  0001 C CNN
F 3 "" H 6050 1750 50  0001 C CNN
	1    6050 1750
	1    0    0    -1  
$EndComp
Wire Wire Line
	6400 2450 6050 2450
Wire Wire Line
	6050 2450 6050 1750
$Comp
L power:GND #PWR06
U 1 1 6170ACD4
P 3550 6550
F 0 "#PWR06" H 3550 6300 50  0001 C CNN
F 1 "GND" H 3555 6377 50  0000 C CNN
F 2 "" H 3550 6550 50  0001 C CNN
F 3 "" H 3550 6550 50  0001 C CNN
	1    3550 6550
	1    0    0    -1  
$EndComp
$Comp
L fab:BUTTON_B3SN SW1
U 1 1 61724A81
P 3300 6050
F 0 "SW1" H 3300 6335 50  0000 C CNN
F 1 "BUTTON_B3SN" H 3300 6244 50  0000 C CNN
F 2 "fab:Button_Omron_B3SN_6x6mm" H 3300 6250 50  0001 C CNN
F 3 "https://omronfs.omron.com/en_US/ecb/products/pdf/en-b3sn.pdf" H 3300 6250 50  0001 C CNN
	1    3300 6050
	1    0    0    -1  
$EndComp
Wire Wire Line
	3100 6050 2850 6050
Wire Wire Line
	2850 6050 2850 5600
Wire Wire Line
	3400 5400 3500 5400
Wire Wire Line
	3500 5400 3500 6050
Wire Wire Line
	3500 6050 3500 6550
Wire Wire Line
	3500 6550 3550 6550
Connection ~ 3500 6050
$Comp
L fab:R R_10K2
U 1 1 61728AD6
P 2550 6100
F 0 "R_10K2" H 2620 6146 50  0000 L CNN
F 1 "R" H 2620 6055 50  0000 L CNN
F 2 "fab:R_1206" V 2480 6100 50  0001 C CNN
F 3 "~" H 2550 6100 50  0001 C CNN
	1    2550 6100
	1    0    0    -1  
$EndComp
Wire Wire Line
	2550 5950 2550 5600
Wire Wire Line
	2500 5600 2550 5600
Connection ~ 2550 5600
Wire Wire Line
	2550 5600 2850 5600
$Comp
L power:+3V3 #PWR04
U 1 1 6172B154
P 2000 6050
F 0 "#PWR04" H 2000 5900 50  0001 C CNN
F 1 "+3V3" H 2015 6223 50  0000 C CNN
F 2 "" H 2000 6050 50  0001 C CNN
F 3 "" H 2000 6050 50  0001 C CNN
	1    2000 6050
	1    0    0    -1  
$EndComp
Wire Wire Line
	2000 6050 2000 6250
Wire Wire Line
	2000 6250 2550 6250
Wire Wire Line
	1750 4900 2300 4900
$Comp
L power:+3V3 #PWR01
U 1 1 6172D1D8
P 1150 4500
F 0 "#PWR01" H 1150 4350 50  0001 C CNN
F 1 "+3V3" H 1165 4673 50  0000 C CNN
F 2 "" H 1150 4500 50  0001 C CNN
F 3 "" H 1150 4500 50  0001 C CNN
	1    1150 4500
	1    0    0    -1  
$EndComp
$Comp
L fab:R R_10K1
U 1 1 6172D65E
P 1150 4650
F 0 "R_10K1" H 1220 4696 50  0000 L CNN
F 1 "R" H 1220 4605 50  0000 L CNN
F 2 "fab:R_1206" V 1080 4650 50  0001 C CNN
F 3 "~" H 1150 4650 50  0001 C CNN
	1    1150 4650
	1    0    0    -1  
$EndComp
Wire Wire Line
	1150 4800 2300 4800
Wire Wire Line
	2300 4800 2300 4900
Connection ~ 2300 4900
Wire Wire Line
	2300 4900 2700 4900
$Comp
L power:+3V3 #PWR014
U 1 1 6172F73D
P 5300 1350
F 0 "#PWR014" H 5300 1200 50  0001 C CNN
F 1 "+3V3" H 5315 1523 50  0000 C CNN
F 2 "" H 5300 1350 50  0001 C CNN
F 3 "" H 5300 1350 50  0001 C CNN
	1    5300 1350
	1    0    0    -1  
$EndComp
Wire Wire Line
	5300 1800 5300 1350
Connection ~ 5300 1800
$Comp
L fab:C C_10uF1
U 1 1 61730C13
P 4500 2150
F 0 "C_10uF1" H 4615 2196 50  0000 L CNN
F 1 "C" H 4615 2105 50  0000 L CNN
F 2 "fab:C_1206" H 4538 2000 50  0001 C CNN
F 3 "" H 4500 2150 50  0001 C CNN
	1    4500 2150
	1    0    0    -1  
$EndComp
Wire Wire Line
	4500 2000 4500 1800
Connection ~ 4500 1800
$Comp
L power:GND #PWR09
U 1 1 61732A38
P 4500 2300
F 0 "#PWR09" H 4500 2050 50  0001 C CNN
F 1 "GND" H 4505 2127 50  0000 C CNN
F 2 "" H 4500 2300 50  0001 C CNN
F 3 "" H 4500 2300 50  0001 C CNN
	1    4500 2300
	1    0    0    -1  
$EndComp
$Comp
L fab:C C_1uF1
U 1 1 61732CC4
P 3100 1250
F 0 "C_1uF1" H 3215 1296 50  0000 L CNN
F 1 "C" H 3215 1205 50  0000 L CNN
F 2 "fab:C_1206" H 3138 1100 50  0001 C CNN
F 3 "" H 3100 1250 50  0001 C CNN
	1    3100 1250
	1    0    0    -1  
$EndComp
Wire Wire Line
	3100 1400 3100 1600
$Comp
L power:GND #PWR05
U 1 1 61734A8F
P 2700 1350
F 0 "#PWR05" H 2700 1100 50  0001 C CNN
F 1 "GND" H 2705 1177 50  0000 C CNN
F 2 "" H 2700 1350 50  0001 C CNN
F 3 "" H 2700 1350 50  0001 C CNN
	1    2700 1350
	1    0    0    -1  
$EndComp
Wire Wire Line
	2700 1350 2700 1100
Wire Wire Line
	2700 1100 3100 1100
$Comp
L fab:C C_1uF2
U 1 1 61735BE6
P 3750 1350
F 0 "C_1uF2" H 3865 1396 50  0000 L CNN
F 1 "C" H 3865 1305 50  0000 L CNN
F 2 "fab:C_1206" H 3788 1200 50  0001 C CNN
F 3 "" H 3750 1350 50  0001 C CNN
	1    3750 1350
	1    0    0    -1  
$EndComp
Connection ~ 3750 1500
Wire Wire Line
	3750 1500 4150 1500
$Comp
L power:GND #PWR07
U 1 1 61736066
P 3600 1100
F 0 "#PWR07" H 3600 850 50  0001 C CNN
F 1 "GND" H 3605 927 50  0000 C CNN
F 2 "" H 3600 1100 50  0001 C CNN
F 3 "" H 3600 1100 50  0001 C CNN
	1    3600 1100
	1    0    0    -1  
$EndComp
Wire Wire Line
	3750 1200 3750 1100
Wire Wire Line
	3750 1100 3600 1100
Text Label 2300 2200 0    50   ~ 0
A03
Text Label 2300 2300 0    50   ~ 0
A04
Text Label 2300 2400 0    50   ~ 0
A05
Text Label 2300 2500 0    50   ~ 0
A06
Text Label 2300 2600 0    50   ~ 0
A07
Wire Wire Line
	2300 2200 2700 2200
Text Label 2300 2100 0    50   ~ 0
A02
Wire Wire Line
	2300 2100 2700 2100
Wire Wire Line
	2700 2300 2300 2300
Wire Wire Line
	2300 2400 2700 2400
Wire Wire Line
	2700 2500 2300 2500
Wire Wire Line
	2300 2600 2700 2600
Text Label 2350 3500 0    50   ~ 0
D16
Text Label 2350 3600 0    50   ~ 0
D17
Text Label 2350 3700 0    50   ~ 0
D18
Text Label 2350 3800 0    50   ~ 0
D19
Text Label 2300 3000 0    50   ~ 0
D11
Text Label 2300 2900 0    50   ~ 0
D10
Wire Wire Line
	2350 3500 2700 3500
Wire Wire Line
	2350 3600 2700 3600
Wire Wire Line
	2700 3700 2350 3700
Wire Wire Line
	2350 3800 2700 3800
Wire Wire Line
	2300 3000 2700 3000
Wire Wire Line
	2700 2900 2300 2900
$Comp
L fab:BUTTON_B3SN SW3
U 1 1 61755DE3
P 8900 3900
F 0 "SW3" H 8900 4185 50  0000 C CNN
F 1 "BUTTON_B3SN" H 8900 4094 50  0000 C CNN
F 2 "fab:Button_Omron_B3SN_6x6mm" H 8900 4100 50  0001 C CNN
F 3 "https://omronfs.omron.com/en_US/ecb/products/pdf/en-b3sn.pdf" H 8900 4100 50  0001 C CNN
	1    8900 3900
	1    0    0    -1  
$EndComp
$Comp
L fab:R R_10K4
U 1 1 61759DCF
P 8350 4150
F 0 "R_10K4" H 8420 4196 50  0000 L CNN
F 1 "R" H 8420 4105 50  0000 L CNN
F 2 "fab:R_1206" V 8280 4150 50  0001 C CNN
F 3 "~" H 8350 4150 50  0001 C CNN
	1    8350 4150
	1    0    0    -1  
$EndComp
Wire Wire Line
	8700 3900 8350 3900
Wire Wire Line
	8350 3900 8350 4000
Text Label 8500 4500 0    50   ~ 0
D11
Wire Wire Line
	8350 4300 7950 4300
Wire Wire Line
	8500 4500 8700 4500
Wire Wire Line
	8700 4500 8700 3900
Connection ~ 8700 3900
$Comp
L power:+3V3 #PWR025
U 1 1 61765BF4
P 7950 4300
F 0 "#PWR025" H 7950 4150 50  0001 C CNN
F 1 "+3V3" H 7965 4473 50  0000 C CNN
F 2 "" H 7950 4300 50  0001 C CNN
F 3 "" H 7950 4300 50  0001 C CNN
	1    7950 4300
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR029
U 1 1 6176664C
P 9300 3900
F 0 "#PWR029" H 9300 3650 50  0001 C CNN
F 1 "GND" H 9305 3727 50  0000 C CNN
F 2 "" H 9300 3900 50  0001 C CNN
F 3 "" H 9300 3900 50  0001 C CNN
	1    9300 3900
	1    0    0    -1  
$EndComp
Wire Wire Line
	9100 3900 9300 3900
$Comp
L fab:BUTTON_B3SN SW4
U 1 1 617711E7
P 8900 5050
F 0 "SW4" H 8900 5335 50  0000 C CNN
F 1 "BUTTON_B3SN" H 8900 5244 50  0000 C CNN
F 2 "fab:Button_Omron_B3SN_6x6mm" H 8900 5250 50  0001 C CNN
F 3 "https://omronfs.omron.com/en_US/ecb/products/pdf/en-b3sn.pdf" H 8900 5250 50  0001 C CNN
	1    8900 5050
	1    0    0    -1  
$EndComp
$Comp
L fab:R R_10K5
U 1 1 617711ED
P 8350 5300
F 0 "R_10K5" H 8420 5346 50  0000 L CNN
F 1 "R" H 8420 5255 50  0000 L CNN
F 2 "fab:R_1206" V 8280 5300 50  0001 C CNN
F 3 "~" H 8350 5300 50  0001 C CNN
	1    8350 5300
	1    0    0    -1  
$EndComp
Wire Wire Line
	8700 5050 8350 5050
Wire Wire Line
	8350 5050 8350 5150
Text Label 8500 5650 0    50   ~ 0
D16
Wire Wire Line
	8350 5450 7950 5450
Wire Wire Line
	8500 5650 8700 5650
Wire Wire Line
	8700 5650 8700 5050
Connection ~ 8700 5050
$Comp
L power:+3V3 #PWR026
U 1 1 617711FA
P 7950 5450
F 0 "#PWR026" H 7950 5300 50  0001 C CNN
F 1 "+3V3" H 7965 5623 50  0000 C CNN
F 2 "" H 7950 5450 50  0001 C CNN
F 3 "" H 7950 5450 50  0001 C CNN
	1    7950 5450
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR030
U 1 1 61771200
P 9300 5050
F 0 "#PWR030" H 9300 4800 50  0001 C CNN
F 1 "GND" H 9305 4877 50  0000 C CNN
F 2 "" H 9300 5050 50  0001 C CNN
F 3 "" H 9300 5050 50  0001 C CNN
	1    9300 5050
	1    0    0    -1  
$EndComp
Wire Wire Line
	9100 5050 9300 5050
$Comp
L fab:BUTTON_B3SN SW2
U 1 1 61774BB3
P 8850 2800
F 0 "SW2" H 8850 3085 50  0000 C CNN
F 1 "BUTTON_B3SN" H 8850 2994 50  0000 C CNN
F 2 "fab:Button_Omron_B3SN_6x6mm" H 8850 3000 50  0001 C CNN
F 3 "https://omronfs.omron.com/en_US/ecb/products/pdf/en-b3sn.pdf" H 8850 3000 50  0001 C CNN
	1    8850 2800
	1    0    0    -1  
$EndComp
$Comp
L fab:R R_10K3
U 1 1 61774BB9
P 8300 3050
F 0 "R_10K3" H 8370 3096 50  0000 L CNN
F 1 "R" H 8370 3005 50  0000 L CNN
F 2 "fab:R_1206" V 8230 3050 50  0001 C CNN
F 3 "~" H 8300 3050 50  0001 C CNN
	1    8300 3050
	1    0    0    -1  
$EndComp
Wire Wire Line
	8650 2800 8300 2800
Wire Wire Line
	8300 2800 8300 2900
Text Label 8450 3400 0    50   ~ 0
D10
Wire Wire Line
	8300 3200 7900 3200
Wire Wire Line
	8450 3400 8650 3400
Wire Wire Line
	8650 3400 8650 2800
Connection ~ 8650 2800
$Comp
L power:+3V3 #PWR024
U 1 1 61774BC6
P 7900 3200
F 0 "#PWR024" H 7900 3050 50  0001 C CNN
F 1 "+3V3" H 7915 3373 50  0000 C CNN
F 2 "" H 7900 3200 50  0001 C CNN
F 3 "" H 7900 3200 50  0001 C CNN
	1    7900 3200
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR028
U 1 1 61774BCC
P 9250 2800
F 0 "#PWR028" H 9250 2550 50  0001 C CNN
F 1 "GND" H 9255 2627 50  0000 C CNN
F 2 "" H 9250 2800 50  0001 C CNN
F 3 "" H 9250 2800 50  0001 C CNN
	1    9250 2800
	1    0    0    -1  
$EndComp
Wire Wire Line
	9050 2800 9250 2800
$Comp
L fab:BUTTON_B3SN SW5
U 1 1 617788F3
P 10550 2750
F 0 "SW5" H 10550 3035 50  0000 C CNN
F 1 "BUTTON_B3SN" H 10550 2944 50  0000 C CNN
F 2 "fab:Button_Omron_B3SN_6x6mm" H 10550 2950 50  0001 C CNN
F 3 "https://omronfs.omron.com/en_US/ecb/products/pdf/en-b3sn.pdf" H 10550 2950 50  0001 C CNN
	1    10550 2750
	1    0    0    -1  
$EndComp
$Comp
L fab:R R_10K6
U 1 1 617788F9
P 10000 3000
F 0 "R_10K6" H 10070 3046 50  0000 L CNN
F 1 "R" H 10070 2955 50  0000 L CNN
F 2 "fab:R_1206" V 9930 3000 50  0001 C CNN
F 3 "~" H 10000 3000 50  0001 C CNN
	1    10000 3000
	1    0    0    -1  
$EndComp
Wire Wire Line
	10350 2750 10000 2750
Wire Wire Line
	10000 2750 10000 2850
Text Label 10150 3350 0    50   ~ 0
D17
Wire Wire Line
	10000 3150 9600 3150
Wire Wire Line
	10150 3350 10350 3350
Wire Wire Line
	10350 3350 10350 2750
Connection ~ 10350 2750
$Comp
L power:+3V3 #PWR032
U 1 1 61778906
P 9600 3150
F 0 "#PWR032" H 9600 3000 50  0001 C CNN
F 1 "+3V3" H 9615 3323 50  0000 C CNN
F 2 "" H 9600 3150 50  0001 C CNN
F 3 "" H 9600 3150 50  0001 C CNN
	1    9600 3150
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR036
U 1 1 6177890C
P 10950 2750
F 0 "#PWR036" H 10950 2500 50  0001 C CNN
F 1 "GND" H 10955 2577 50  0000 C CNN
F 2 "" H 10950 2750 50  0001 C CNN
F 3 "" H 10950 2750 50  0001 C CNN
	1    10950 2750
	1    0    0    -1  
$EndComp
Wire Wire Line
	10750 2750 10950 2750
$Comp
L fab:BUTTON_B3SN SW6
U 1 1 6177BAB9
P 10550 3900
F 0 "SW6" H 10550 4185 50  0000 C CNN
F 1 "BUTTON_B3SN" H 10550 4094 50  0000 C CNN
F 2 "fab:Button_Omron_B3SN_6x6mm" H 10550 4100 50  0001 C CNN
F 3 "https://omronfs.omron.com/en_US/ecb/products/pdf/en-b3sn.pdf" H 10550 4100 50  0001 C CNN
	1    10550 3900
	1    0    0    -1  
$EndComp
$Comp
L fab:R R_10K7
U 1 1 6177BABF
P 10000 4150
F 0 "R_10K7" H 10070 4196 50  0000 L CNN
F 1 "R" H 10070 4105 50  0000 L CNN
F 2 "fab:R_1206" V 9930 4150 50  0001 C CNN
F 3 "~" H 10000 4150 50  0001 C CNN
	1    10000 4150
	1    0    0    -1  
$EndComp
Wire Wire Line
	10350 3900 10000 3900
Wire Wire Line
	10000 3900 10000 4000
Text Label 10150 4500 0    50   ~ 0
D18
Wire Wire Line
	10000 4300 9600 4300
Wire Wire Line
	10150 4500 10350 4500
Wire Wire Line
	10350 4500 10350 3900
Connection ~ 10350 3900
$Comp
L power:+3V3 #PWR033
U 1 1 6177BACC
P 9600 4300
F 0 "#PWR033" H 9600 4150 50  0001 C CNN
F 1 "+3V3" H 9615 4473 50  0000 C CNN
F 2 "" H 9600 4300 50  0001 C CNN
F 3 "" H 9600 4300 50  0001 C CNN
	1    9600 4300
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR037
U 1 1 6177BAD2
P 10950 3900
F 0 "#PWR037" H 10950 3650 50  0001 C CNN
F 1 "GND" H 10955 3727 50  0000 C CNN
F 2 "" H 10950 3900 50  0001 C CNN
F 3 "" H 10950 3900 50  0001 C CNN
	1    10950 3900
	1    0    0    -1  
$EndComp
Wire Wire Line
	10750 3900 10950 3900
$Comp
L fab:BUTTON_B3SN SW7
U 1 1 6177FB93
P 10550 5050
F 0 "SW7" H 10550 5335 50  0000 C CNN
F 1 "BUTTON_B3SN" H 10550 5244 50  0000 C CNN
F 2 "fab:Button_Omron_B3SN_6x6mm" H 10550 5250 50  0001 C CNN
F 3 "https://omronfs.omron.com/en_US/ecb/products/pdf/en-b3sn.pdf" H 10550 5250 50  0001 C CNN
	1    10550 5050
	1    0    0    -1  
$EndComp
$Comp
L fab:R R_10K8
U 1 1 6177FB99
P 10000 5300
F 0 "R_10K8" H 10070 5346 50  0000 L CNN
F 1 "R" H 10070 5255 50  0000 L CNN
F 2 "fab:R_1206" V 9930 5300 50  0001 C CNN
F 3 "~" H 10000 5300 50  0001 C CNN
	1    10000 5300
	1    0    0    -1  
$EndComp
Wire Wire Line
	10350 5050 10000 5050
Wire Wire Line
	10000 5050 10000 5150
Text Label 10150 5650 0    50   ~ 0
D19
Wire Wire Line
	10000 5450 9600 5450
Wire Wire Line
	10150 5650 10350 5650
Wire Wire Line
	10350 5650 10350 5050
Connection ~ 10350 5050
$Comp
L power:+3V3 #PWR034
U 1 1 6177FBA6
P 9600 5450
F 0 "#PWR034" H 9600 5300 50  0001 C CNN
F 1 "+3V3" H 9615 5623 50  0000 C CNN
F 2 "" H 9600 5450 50  0001 C CNN
F 3 "" H 9600 5450 50  0001 C CNN
	1    9600 5450
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR038
U 1 1 6177FBAC
P 10950 5050
F 0 "#PWR038" H 10950 4800 50  0001 C CNN
F 1 "GND" H 10955 4877 50  0000 C CNN
F 2 "" H 10950 5050 50  0001 C CNN
F 3 "" H 10950 5050 50  0001 C CNN
	1    10950 5050
	1    0    0    -1  
$EndComp
Wire Wire Line
	10750 5050 10950 5050
$Comp
L fab:R R_4K1
U 1 1 61783359
P 5200 4350
F 0 "R_4K1" H 5270 4396 50  0000 L CNN
F 1 "R" H 5270 4305 50  0000 L CNN
F 2 "fab:R_1206" V 5130 4350 50  0001 C CNN
F 3 "~" H 5200 4350 50  0001 C CNN
	1    5200 4350
	1    0    0    -1  
$EndComp
Wire Wire Line
	5200 4100 5200 4200
Text Label 4800 4500 0    50   ~ 0
A02
Wire Wire Line
	5200 4500 4800 4500
$Comp
L power:GND #PWR017
U 1 1 6178336C
P 6150 4100
F 0 "#PWR017" H 6150 3850 50  0001 C CNN
F 1 "GND" H 6155 3927 50  0000 C CNN
F 2 "" H 6150 4100 50  0001 C CNN
F 3 "" H 6150 4100 50  0001 C CNN
	1    6150 4100
	1    0    0    -1  
$EndComp
Wire Wire Line
	5950 4100 6150 4100
$Comp
L fab:LED D1
U 1 1 617923E5
P 5800 4100
F 0 "D1" H 5793 3845 50  0000 C CNN
F 1 "LED" H 5793 3936 50  0000 C CNN
F 2 "fab:LED_1206" H 5800 4100 50  0001 C CNN
F 3 "https://optoelectronics.liteon.com/upload/download/DS-22-98-0002/LTST-C150CKT.pdf" H 5800 4100 50  0001 C CNN
	1    5800 4100
	-1   0    0    1   
$EndComp
Text Label 3100 5600 0    50   ~ 0
RESET
Wire Wire Line
	2850 5600 3100 5600
Connection ~ 2850 5600
Text Label 7100 2850 0    50   ~ 0
RESET
$Comp
L fab:R R_4K2
U 1 1 617C0876
P 5200 5450
F 0 "R_4K2" H 5270 5496 50  0000 L CNN
F 1 "R" H 5270 5405 50  0000 L CNN
F 2 "fab:R_1206" V 5130 5450 50  0001 C CNN
F 3 "~" H 5200 5450 50  0001 C CNN
	1    5200 5450
	1    0    0    -1  
$EndComp
Wire Wire Line
	5200 5200 5200 5300
Text Label 4800 5600 0    50   ~ 0
A03
Wire Wire Line
	5200 5600 4800 5600
$Comp
L power:GND #PWR018
U 1 1 617C0888
P 6150 5200
F 0 "#PWR018" H 6150 4950 50  0001 C CNN
F 1 "GND" H 6155 5027 50  0000 C CNN
F 2 "" H 6150 5200 50  0001 C CNN
F 3 "" H 6150 5200 50  0001 C CNN
	1    6150 5200
	1    0    0    -1  
$EndComp
Wire Wire Line
	5950 5200 6150 5200
$Comp
L fab:LED D2
U 1 1 617C088F
P 5800 5200
F 0 "D2" H 5793 4945 50  0000 C CNN
F 1 "LED" H 5793 5036 50  0000 C CNN
F 2 "fab:LED_1206" H 5800 5200 50  0001 C CNN
F 3 "https://optoelectronics.liteon.com/upload/download/DS-22-98-0002/LTST-C150CKT.pdf" H 5800 5200 50  0001 C CNN
	1    5800 5200
	-1   0    0    1   
$EndComp
$Comp
L fab:R R_4K3
U 1 1 617C6269
P 6600 4500
F 0 "R_4K3" H 6670 4546 50  0000 L CNN
F 1 "R" H 6670 4455 50  0000 L CNN
F 2 "fab:R_1206" V 6530 4500 50  0001 C CNN
F 3 "~" H 6600 4500 50  0001 C CNN
	1    6600 4500
	1    0    0    -1  
$EndComp
Wire Wire Line
	6600 4250 6600 4350
Text Label 6200 4650 0    50   ~ 0
A04
Wire Wire Line
	6600 4650 6200 4650
$Comp
L power:GND #PWR021
U 1 1 617C627B
P 7550 4250
F 0 "#PWR021" H 7550 4000 50  0001 C CNN
F 1 "GND" H 7555 4077 50  0000 C CNN
F 2 "" H 7550 4250 50  0001 C CNN
F 3 "" H 7550 4250 50  0001 C CNN
	1    7550 4250
	1    0    0    -1  
$EndComp
Wire Wire Line
	7350 4250 7550 4250
$Comp
L fab:LED D3
U 1 1 617C6282
P 7200 4250
F 0 "D3" H 7193 3995 50  0000 C CNN
F 1 "LED" H 7193 4086 50  0000 C CNN
F 2 "fab:LED_1206" H 7200 4250 50  0001 C CNN
F 3 "https://optoelectronics.liteon.com/upload/download/DS-22-98-0002/LTST-C150CKT.pdf" H 7200 4250 50  0001 C CNN
	1    7200 4250
	-1   0    0    1   
$EndComp
$Comp
L fab:R R_4K4
U 1 1 617CABBD
P 6600 5800
F 0 "R_4K4" H 6670 5846 50  0000 L CNN
F 1 "R" H 6670 5755 50  0000 L CNN
F 2 "fab:R_1206" V 6530 5800 50  0001 C CNN
F 3 "~" H 6600 5800 50  0001 C CNN
	1    6600 5800
	1    0    0    -1  
$EndComp
Wire Wire Line
	6600 5550 6600 5650
Text Label 6200 5950 0    50   ~ 0
A05
Wire Wire Line
	6600 5950 6200 5950
$Comp
L power:GND #PWR022
U 1 1 617CABCF
P 7550 5550
F 0 "#PWR022" H 7550 5300 50  0001 C CNN
F 1 "GND" H 7555 5377 50  0000 C CNN
F 2 "" H 7550 5550 50  0001 C CNN
F 3 "" H 7550 5550 50  0001 C CNN
	1    7550 5550
	1    0    0    -1  
$EndComp
Wire Wire Line
	7350 5550 7550 5550
$Comp
L fab:LED D4
U 1 1 617CABD6
P 7200 5550
F 0 "D4" H 7193 5295 50  0000 C CNN
F 1 "LED" H 7193 5386 50  0000 C CNN
F 2 "fab:LED_1206" H 7200 5550 50  0001 C CNN
F 3 "https://optoelectronics.liteon.com/upload/download/DS-22-98-0002/LTST-C150CKT.pdf" H 7200 5550 50  0001 C CNN
	1    7200 5550
	-1   0    0    1   
$EndComp
$Comp
L fab:R R_4K5
U 1 1 617D12DF
P 8250 1550
F 0 "R_4K5" H 8320 1596 50  0000 L CNN
F 1 "R" H 8320 1505 50  0000 L CNN
F 2 "fab:R_1206" V 8180 1550 50  0001 C CNN
F 3 "~" H 8250 1550 50  0001 C CNN
	1    8250 1550
	1    0    0    -1  
$EndComp
Wire Wire Line
	8250 1300 8250 1400
Text Label 7850 1700 0    50   ~ 0
A06
Wire Wire Line
	8250 1700 7850 1700
$Comp
L power:GND #PWR027
U 1 1 617D12F1
P 9200 1300
F 0 "#PWR027" H 9200 1050 50  0001 C CNN
F 1 "GND" H 9205 1127 50  0000 C CNN
F 2 "" H 9200 1300 50  0001 C CNN
F 3 "" H 9200 1300 50  0001 C CNN
	1    9200 1300
	1    0    0    -1  
$EndComp
Wire Wire Line
	9000 1300 9200 1300
$Comp
L fab:LED D5
U 1 1 617D12F8
P 8850 1300
F 0 "D5" H 8843 1045 50  0000 C CNN
F 1 "LED" H 8843 1136 50  0000 C CNN
F 2 "fab:LED_1206" H 8850 1300 50  0001 C CNN
F 3 "https://optoelectronics.liteon.com/upload/download/DS-22-98-0002/LTST-C150CKT.pdf" H 8850 1300 50  0001 C CNN
	1    8850 1300
	-1   0    0    1   
$EndComp
$Comp
L fab:R R_4K6
U 1 1 617D7611
P 9800 1500
F 0 "R_4K6" H 9870 1546 50  0000 L CNN
F 1 "R" H 9870 1455 50  0000 L CNN
F 2 "fab:R_1206" V 9730 1500 50  0001 C CNN
F 3 "~" H 9800 1500 50  0001 C CNN
	1    9800 1500
	1    0    0    -1  
$EndComp
Wire Wire Line
	9800 1250 9800 1350
Text Label 9400 1650 0    50   ~ 0
A07
Wire Wire Line
	9800 1650 9400 1650
$Comp
L power:GND #PWR035
U 1 1 617D7623
P 10750 1250
F 0 "#PWR035" H 10750 1000 50  0001 C CNN
F 1 "GND" H 10755 1077 50  0000 C CNN
F 2 "" H 10750 1250 50  0001 C CNN
F 3 "" H 10750 1250 50  0001 C CNN
	1    10750 1250
	1    0    0    -1  
$EndComp
Wire Wire Line
	10550 1250 10750 1250
$Comp
L fab:LED D6
U 1 1 617D762A
P 10400 1250
F 0 "D6" H 10393 995 50  0000 C CNN
F 1 "LED" H 10393 1086 50  0000 C CNN
F 2 "fab:LED_1206" H 10400 1250 50  0001 C CNN
F 3 "https://optoelectronics.liteon.com/upload/download/DS-22-98-0002/LTST-C150CKT.pdf" H 10400 1250 50  0001 C CNN
	1    10400 1250
	-1   0    0    1   
$EndComp
$Comp
L Device:R R_zero1
U 1 1 617158F1
P 1750 2500
F 0 "R_zero1" H 1820 2546 50  0000 L CNN
F 1 "R" H 1820 2455 50  0000 L CNN
F 2 "fab:C_1206" V 1680 2500 50  0001 C CNN
F 3 "~" H 1750 2500 50  0001 C CNN
	1    1750 2500
	1    0    0    -1  
$EndComp
Wire Wire Line
	1750 2650 1750 4300
Wire Wire Line
	5200 5200 5650 5200
Wire Wire Line
	5200 4100 5650 4100
Wire Wire Line
	9800 1250 10250 1250
Wire Wire Line
	8250 1300 8700 1300
Wire Wire Line
	6600 4250 7050 4250
Wire Wire Line
	6600 5550 7050 5550
$EndSCHEMATC