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 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
Wire Wire Line
	6100 2650 6100 2850
Text Label 2300 2700 0    50   ~ 0
D08
Wire Wire Line
	2300 2700 2700 2700
Text Label 2300 2800 0    50   ~ 0
D09
Wire Wire Line
	2700 2800 2300 2800
Text Label 2350 4100 0    50   ~ 0
D22
Text Label 2350 4200 0    50   ~ 0
D23
Text Label 2350 4600 0    50   ~ 0
D27
Wire Wire Line
	2350 4100 2700 4100
Wire Wire Line
	2700 4200 2350 4200
Wire Wire Line
	2350 4600 2700 4600
$Comp
L fab:Conn_PinHeader_FTDI_1x06_P2.54mm_Horizontal_SMD J3
U 1 1 618AFA7A
P 8950 3000
F 0 "J3" H 8987 3425 50  0000 C CNN
F 1 "Conn_PinHeader_FTDI_1x06_P2.54mm_Horizontal_SMD" H 8987 3334 50  0000 C CNN
F 2 "fab:PinHeader_FTDI_01x06_P2.54mm_Horizontal_SMD" H 8950 3000 50  0001 C CNN
F 3 "~" H 8950 3000 50  0001 C CNN
	1    8950 3000
	1    0    0    -1  
$EndComp
$Comp
L fab:Conn_PinHeader_FTDI_1x06_P2.54mm_Horizontal_SMD J4
U 1 1 618B05B0
P 8950 3800
F 0 "J4" H 8987 4225 50  0000 C CNN
F 1 "Conn_PinHeader_FTDI_1x06_P2.54mm_Horizontal_SMD" H 8987 4134 50  0000 C CNN
F 2 "fab:PinHeader_FTDI_01x06_P2.54mm_Horizontal_SMD" H 8950 3800 50  0001 C CNN
F 3 "~" H 8950 3800 50  0001 C CNN
	1    8950 3800
	1    0    0    -1  
$EndComp
$Comp
L fab:Conn_PinHeader_FTDI_1x06_P2.54mm_Horizontal_SMD J5
U 1 1 618B449D
P 8950 4650
F 0 "J5" H 8987 5075 50  0000 C CNN
F 1 "Conn_PinHeader_FTDI_1x06_P2.54mm_Horizontal_SMD" H 8987 4984 50  0000 C CNN
F 2 "fab:PinHeader_FTDI_01x06_P2.54mm_Horizontal_SMD" H 8950 4650 50  0001 C CNN
F 3 "~" H 8950 4650 50  0001 C CNN
	1    8950 4650
	1    0    0    -1  
$EndComp
Text Label 9150 4750 0    50   ~ 0
A02
Text Label 9150 4650 0    50   ~ 0
A03
Text Label 9150 4550 0    50   ~ 0
A04
Text Label 9150 4450 0    50   ~ 0
A05
Text Label 9150 4100 0    50   ~ 0
A06
Text Label 9150 4000 0    50   ~ 0
A07
$Comp
L power:+3.3V #PWR018
U 1 1 618B636F
P 9150 4850
F 0 "#PWR018" H 9150 4700 50  0001 C CNN
F 1 "+3.3V" V 9165 4978 50  0000 L CNN
F 2 "" H 9150 4850 50  0001 C CNN
F 3 "" H 9150 4850 50  0001 C CNN
	1    9150 4850
	0    1    1    0   
$EndComp
$Comp
L power:GND #PWR019
U 1 1 618B7FC8
P 9150 4950
F 0 "#PWR019" H 9150 4700 50  0001 C CNN
F 1 "GND" H 9155 4777 50  0000 C CNN
F 2 "" H 9150 4950 50  0001 C CNN
F 3 "" H 9150 4950 50  0001 C CNN
	1    9150 4950
	0    -1   -1   0   
$EndComp
$Comp
L power:GND #PWR011
U 1 1 618BE2E2
P 9150 3800
F 0 "#PWR011" H 9150 3550 50  0001 C CNN
F 1 "GND" H 9155 3627 50  0000 C CNN
F 2 "" H 9150 3800 50  0001 C CNN
F 3 "" H 9150 3800 50  0001 C CNN
	1    9150 3800
	0    -1   -1   0   
$EndComp
$Comp
L power:+3.3V #PWR017
U 1 1 618BED70
P 9150 3900
F 0 "#PWR017" H 9150 3750 50  0001 C CNN
F 1 "+3.3V" V 9165 4028 50  0000 L CNN
F 2 "" H 9150 3900 50  0001 C CNN
F 3 "" H 9150 3900 50  0001 C CNN
	1    9150 3900
	0    1    1    0   
$EndComp
$Comp
L fab:R R1
U 1 1 618C4DCD
P 2550 4700
F 0 "R1" V 2343 4700 50  0000 C CNN
F 1 "R" V 2434 4700 50  0000 C CNN
F 2 "fab:R_1206" V 2480 4700 50  0001 C CNN
F 3 "~" H 2550 4700 50  0001 C CNN
	1    2550 4700
	0    1    1    0   
$EndComp
$Comp
L fab:LED D1
U 1 1 618C5CCA
P 2250 4700
F 0 "D1" H 2243 4916 50  0000 C CNN
F 1 "LED" H 2243 4825 50  0000 C CNN
F 2 "fab:LED_1206" H 2250 4700 50  0001 C CNN
F 3 "https://optoelectronics.liteon.com/upload/download/DS-22-98-0002/LTST-C150CKT.pdf" H 2250 4700 50  0001 C CNN
	1    2250 4700
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR010
U 1 1 618C66FD
P 2100 4700
F 0 "#PWR010" H 2100 4450 50  0001 C CNN
F 1 "GND" H 2105 4527 50  0000 C CNN
F 2 "" H 2100 4700 50  0001 C CNN
F 3 "" H 2100 4700 50  0001 C CNN
	1    2100 4700
	1    0    0    -1  
$EndComp
Text Label 9150 3700 0    50   ~ 0
D08
Text Label 9150 3600 0    50   ~ 0
D09
Text Label 9150 3300 0    50   ~ 0
D10
Text Label 9150 3200 0    50   ~ 0
D11
Text Label 9150 3100 0    50   ~ 0
D16
Text Label 9150 3000 0    50   ~ 0
D17
Text Label 9150 2900 0    50   ~ 0
D18
Text Label 9150 2800 0    50   ~ 0
D19
Wire Wire Line
	6400 2650 6100 2650
$EndSCHEMATC