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
	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
$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
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 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
$Comp
L fab:Phototransistor_Visible_PT15-21C-TR8 Q1
U 1 1 6184B21F
P 7350 4800
F 0 "Q1" H 7541 4846 50  0000 L CNN
F 1 "Phototransistor_Visible_PT15-21C-TR8" H 7541 4755 50  0000 L CNN
F 2 "fab:Q_1206" H 7550 4900 50  0001 C CNN
F 3 "https://www.everlight.com/file/ProductFile/PT15-21C-TR8.pdf" H 7350 4800 50  0001 C CNN
	1    7350 4800
	1    0    0    -1  
$EndComp
$Comp
L power:+3.3V #PWR017
U 1 1 6184BBA2
P 7450 4000
F 0 "#PWR017" H 7450 3850 50  0001 C CNN
F 1 "+3.3V" H 7465 4173 50  0000 C CNN
F 2 "" H 7450 4000 50  0001 C CNN
F 3 "" H 7450 4000 50  0001 C CNN
	1    7450 4000
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR018
U 1 1 6184C915
P 7450 5300
F 0 "#PWR018" H 7450 5050 50  0001 C CNN
F 1 "GND" H 7455 5127 50  0000 C CNN
F 2 "" H 7450 5300 50  0001 C CNN
F 3 "" H 7450 5300 50  0001 C CNN
	1    7450 5300
	1    0    0    -1  
$EndComp
$Comp
L fab:R R_10K3
U 1 1 6184E1CB
P 7450 4150
F 0 "R_10K3" H 7520 4196 50  0000 L CNN
F 1 "R" H 7520 4105 50  0000 L CNN
F 2 "fab:R_1206" V 7380 4150 50  0001 C CNN
F 3 "~" H 7450 4150 50  0001 C CNN
	1    7450 4150
	1    0    0    -1  
$EndComp
Wire Wire Line
	7450 4300 7450 4450
Wire Wire Line
	7450 5000 7450 5300
Text Label 6800 4450 0    50   ~ 0
A03
Wire Wire Line
	6800 4450 7450 4450
Connection ~ 7450 4450
Wire Wire Line
	7450 4450 7450 4600
$Comp
L fab:R R_400
U 1 1 61854378
P 6150 4700
F 0 "R_400" H 6220 4746 50  0000 L CNN
F 1 "R" H 6220 4655 50  0000 L CNN
F 2 "fab:R_1206" V 6080 4700 50  0001 C CNN
F 3 "~" H 6150 4700 50  0001 C CNN
	1    6150 4700
	1    0    0    -1  
$EndComp
$Comp
L fab:LED D2
U 1 1 61854E22
P 6000 4850
F 0 "D2" H 5993 5066 50  0000 C CNN
F 1 "LED" H 5993 4975 50  0000 C CNN
F 2 "fab:LED_1206" H 6000 4850 50  0001 C CNN
F 3 "https://optoelectronics.liteon.com/upload/download/DS-22-98-0002/LTST-C150CKT.pdf" H 6000 4850 50  0001 C CNN
	1    6000 4850
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR011
U 1 1 618552B3
P 5850 4850
F 0 "#PWR011" H 5850 4600 50  0001 C CNN
F 1 "GND" H 5855 4677 50  0000 C CNN
F 2 "" H 5850 4850 50  0001 C CNN
F 3 "" H 5850 4850 50  0001 C CNN
	1    5850 4850
	1    0    0    -1  
$EndComp
$Comp
L fab:Phototransistor_Visible_PT15-21C-TR8 Q2
U 1 1 61865898
P 9100 3700
F 0 "Q2" H 9291 3746 50  0000 L CNN
F 1 "Phototransistor_Visible_PT15-21C-TR8" H 9291 3655 50  0000 L CNN
F 2 "fab:Q_1206" H 9300 3800 50  0001 C CNN
F 3 "https://www.everlight.com/file/ProductFile/PT15-21C-TR8.pdf" H 9100 3700 50  0001 C CNN
	1    9100 3700
	1    0    0    -1  
$EndComp
$Comp
L power:+3.3V #PWR020
U 1 1 6186589E
P 9200 2900
F 0 "#PWR020" H 9200 2750 50  0001 C CNN
F 1 "+3.3V" H 9215 3073 50  0000 C CNN
F 2 "" H 9200 2900 50  0001 C CNN
F 3 "" H 9200 2900 50  0001 C CNN
	1    9200 2900
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR021
U 1 1 618658A4
P 9200 4200
F 0 "#PWR021" H 9200 3950 50  0001 C CNN
F 1 "GND" H 9205 4027 50  0000 C CNN
F 2 "" H 9200 4200 50  0001 C CNN
F 3 "" H 9200 4200 50  0001 C CNN
	1    9200 4200
	1    0    0    -1  
$EndComp
$Comp
L fab:R R_10K4
U 1 1 618658AA
P 9200 3050
F 0 "R_10K4" H 9270 3096 50  0000 L CNN
F 1 "R" H 9270 3005 50  0000 L CNN
F 2 "fab:R_1206" V 9130 3050 50  0001 C CNN
F 3 "~" H 9200 3050 50  0001 C CNN
	1    9200 3050
	1    0    0    -1  
$EndComp
Wire Wire Line
	9200 3200 9200 3350
Wire Wire Line
	9200 3900 9200 4200
Wire Wire Line
	8550 3350 9200 3350
Connection ~ 9200 3350
Wire Wire Line
	9200 3350 9200 3500
$Comp
L fab:R R_1
U 1 1 61867E76
P 6100 5850
F 0 "R_1" H 6170 5896 50  0000 L CNN
F 1 "R" H 6170 5805 50  0000 L CNN
F 2 "fab:R_1206" V 6030 5850 50  0001 C CNN
F 3 "~" H 6100 5850 50  0001 C CNN
	1    6100 5850
	1    0    0    -1  
$EndComp
$Comp
L fab:LED D1
U 1 1 61867E7C
P 5950 6000
F 0 "D1" H 5943 6216 50  0000 C CNN
F 1 "LED" H 5943 6125 50  0000 C CNN
F 2 "fab:LED_1206" H 5950 6000 50  0001 C CNN
F 3 "https://optoelectronics.liteon.com/upload/download/DS-22-98-0002/LTST-C150CKT.pdf" H 5950 6000 50  0001 C CNN
	1    5950 6000
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR010
U 1 1 61867E82
P 5800 6000
F 0 "#PWR010" H 5800 5750 50  0001 C CNN
F 1 "GND" H 5805 5827 50  0000 C CNN
F 2 "" H 5800 6000 50  0001 C CNN
F 3 "" H 5800 6000 50  0001 C CNN
	1    5800 6000
	1    0    0    -1  
$EndComp
$Comp
L fab:R R_10K5
U 1 1 61869A68
P 9250 5650
F 0 "R_10K5" H 9320 5696 50  0000 L CNN
F 1 "R" H 9320 5605 50  0000 L CNN
F 2 "fab:R_1206" V 9180 5650 50  0001 C CNN
F 3 "~" H 9250 5650 50  0001 C CNN
	1    9250 5650
	1    0    0    -1  
$EndComp
$Comp
L fab:BUTTON_B3SN SW2
U 1 1 6186AC2F
P 9550 5500
F 0 "SW2" H 9550 5785 50  0000 C CNN
F 1 "BUTTON_B3SN" H 9550 5694 50  0000 C CNN
F 2 "fab:Button_Omron_B3SN_6x6mm" H 9550 5700 50  0001 C CNN
F 3 "https://omronfs.omron.com/en_US/ecb/products/pdf/en-b3sn.pdf" H 9550 5700 50  0001 C CNN
	1    9550 5500
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR022
U 1 1 6186B95D
P 9750 5500
F 0 "#PWR022" H 9750 5250 50  0001 C CNN
F 1 "GND" H 9755 5327 50  0000 C CNN
F 2 "" H 9750 5500 50  0001 C CNN
F 3 "" H 9750 5500 50  0001 C CNN
	1    9750 5500
	1    0    0    -1  
$EndComp
$Comp
L power:+3.3V #PWR019
U 1 1 6186C1CE
P 9000 5800
F 0 "#PWR019" H 9000 5650 50  0001 C CNN
F 1 "+3.3V" H 9015 5973 50  0000 C CNN
F 2 "" H 9000 5800 50  0001 C CNN
F 3 "" H 9000 5800 50  0001 C CNN
	1    9000 5800
	1    0    0    -1  
$EndComp
Text Label 9400 5900 0    50   ~ 0
A06
Wire Wire Line
	9350 5500 9250 5500
Wire Wire Line
	9250 5800 9000 5800
Wire Wire Line
	9350 5500 9350 5900
Wire Wire Line
	9350 5900 9400 5900
Connection ~ 9350 5500
Wire Wire Line
	6100 2650 6100 2850
Text Label 6150 4550 0    50   ~ 0
A02
Text Label 6100 5700 0    50   ~ 0
A04
Text Label 8550 3350 0    50   ~ 0
A05
$EndSCHEMATC