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 Connector:USB_A J1
U 1 1 61606C2B
P 3700 1950
F 0 "J1" H 3757 2417 50  0000 C CNN
F 1 "USB_A" H 3757 2326 50  0000 C CNN
F 2 "Connector_USB:USB3_A_Molex_48393-001" H 3850 1900 50  0001 C CNN
F 3 " ~" H 3850 1900 50  0001 C CNN
	1    3700 1950
	1    0    0    -1  
$EndComp
Wire Wire Line
	6900 2400 6550 2400
Wire Wire Line
	5850 2400 5950 2400
Wire Wire Line
	5500 3650 5650 3650
Wire Wire Line
	5650 1950 5650 3650
Wire Wire Line
	5500 3550 5600 3550
Wire Wire Line
	5000 2450 5000 2650
Wire Wire Line
	5850 2450 5850 2400
$Comp
L fab:BUTTON_B3SN SW1
U 1 1 6161273C
P 7850 3050
F 0 "SW1" H 7850 3335 50  0000 C CNN
F 1 "BUTTON_B3SN" H 7850 3244 50  0000 C CNN
F 2 "fab:Button_Omron_B3SN_6x6mm" H 7850 3250 50  0001 C CNN
F 3 "https://omronfs.omron.com/en_US/ecb/products/pdf/en-b3sn.pdf" H 7850 3250 50  0001 C CNN
	1    7850 3050
	1    0    0    -1  
$EndComp
$Comp
L Device:R R2
U 1 1 61614584
P 7250 3450
F 0 "R2" H 7320 3496 50  0000 L CNN
F 1 "R" H 7320 3405 50  0000 L CNN
F 2 "fab:R_1206" V 7180 3450 50  0001 C CNN
F 3 "~" H 7250 3450 50  0001 C CNN
	1    7250 3450
	1    0    0    -1  
$EndComp
$Comp
L fab:Microcontroller_ATSAMD11C14A-SSUT U1
U 1 1 61604A46
P 5000 3350
F 0 "U1" H 5000 4231 50  0000 C CNN
F 1 "Microcontroller_ATSAMD11C14A-SSUT" H 5000 4140 50  0000 C CNN
F 2 "fab:SOIC-14_3.9x8.7mm_P1.27mm" H 5000 2300 50  0001 C CNN
F 3 "https://ww1.microchip.com/downloads/en/DeviceDoc/Atmel-42363-SAM-D11_Datasheet.pdf" H 5000 2650 50  0001 C CNN
	1    5000 3350
	1    0    0    -1  
$EndComp
$Comp
L Device:C C1
U 1 1 6160B195
P 5900 1900
F 0 "C1" H 6015 1946 50  0000 L CNN
F 1 "C" H 6015 1855 50  0000 L CNN
F 2 "fab:C_1206" H 5938 1750 50  0001 C CNN
F 3 "~" H 5900 1900 50  0001 C CNN
	1    5900 1900
	1    0    0    -1  
$EndComp
Wire Wire Line
	8050 3050 8450 3050
Wire Wire Line
	8450 3050 8450 2350
Wire Wire Line
	8450 2350 7450 2350
Wire Wire Line
	7450 2350 7450 1700
$Comp
L Device:R R1
U 1 1 6161E123
P 7150 2300
F 0 "R1" H 7220 2346 50  0000 L CNN
F 1 "R" H 7220 2255 50  0000 L CNN
F 2 "fab:R_1206" V 7080 2300 50  0001 C CNN
F 3 "~" H 7150 2300 50  0001 C CNN
	1    7150 2300
	1    0    0    -1  
$EndComp
Wire Wire Line
	5850 2450 5750 2450
Wire Wire Line
	2050 3250 4500 3250
Wire Wire Line
	1650 3050 1650 4350
Wire Wire Line
	1650 4350 2050 4350
Wire Wire Line
	1650 3050 4500 3050
Wire Wire Line
	6250 2100 6250 1700
Wire Wire Line
	2050 3250 2050 4250
$Comp
L fab:Conn_PinHeader_2x02_P2.54mm_Vertical_SMD J2
U 1 1 6162C177
P 2250 4250
F 0 "J2" H 2300 4467 50  0000 C CNN
F 1 "Conn_PinHeader_2x02_P2.54mm_Vertical_SMD" H 2300 4376 50  0000 C CNN
F 2 "fab:PinHeader_2x02_P2.54mm_Vertical_SMD" H 2250 4250 50  0001 C CNN
F 3 "https://cdn.amphenol-icc.com/media/wysiwyg/files/drawing/95278.pdf" H 2250 4250 50  0001 C CNN
	1    2250 4250
	1    0    0    -1  
$EndComp
Wire Wire Line
	5650 1950 4000 1950
Wire Wire Line
	2550 3350 4500 3350
Wire Wire Line
	5000 4050 5000 5650
Wire Wire Line
	3700 2350 3700 5650
Wire Wire Line
	6900 2400 6900 1700
Connection ~ 8450 3050
Wire Wire Line
	2550 4350 2550 5650
Wire Wire Line
	5850 2400 5850 2050
Wire Wire Line
	5850 2050 5900 2050
Connection ~ 5850 2400
Wire Wire Line
	5900 1750 5900 1450
$Comp
L fab:LED D1
U 1 1 61612F58
P 8450 3550
F 0 "D1" V 8397 3628 50  0000 L CNN
F 1 "LED" V 8488 3628 50  0000 L CNN
F 2 "fab:LED_1206" H 8450 3550 50  0001 C CNN
F 3 "https://optoelectronics.liteon.com/upload/download/DS-22-98-0002/LTST-C150CKT.pdf" H 8450 3550 50  0001 C CNN
	1    8450 3550
	0    1    1    0   
$EndComp
Wire Wire Line
	8450 3050 8450 3400
Wire Wire Line
	8450 3700 8450 3750
Wire Wire Line
	7250 3750 8450 3750
Wire Wire Line
	2550 3350 2550 4250
Wire Wire Line
	7250 3750 7250 3600
Wire Wire Line
	7250 3150 7250 3300
Wire Wire Line
	5500 3150 7250 3150
Connection ~ 7150 3050
Wire Wire Line
	7150 3050 7650 3050
Wire Wire Line
	7150 2450 7150 3050
Wire Wire Line
	5500 3050 7150 3050
$Comp
L power:+5V #PWR0101
U 1 1 6179C196
P 4550 1400
F 0 "#PWR0101" H 4550 1250 50  0001 C CNN
F 1 "+5V" H 4565 1573 50  0000 C CNN
F 2 "" H 4550 1400 50  0001 C CNN
F 3 "" H 4550 1400 50  0001 C CNN
	1    4550 1400
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0102
U 1 1 6179C98B
P 3700 5650
F 0 "#PWR0102" H 3700 5400 50  0001 C CNN
F 1 "GND" H 3705 5477 50  0000 C CNN
F 2 "" H 3700 5650 50  0001 C CNN
F 3 "" H 3700 5650 50  0001 C CNN
	1    3700 5650
	1    0    0    -1  
$EndComp
$Comp
L power:+3V3 #PWR0103
U 1 1 6179D15D
P 5300 2450
F 0 "#PWR0103" H 5300 2300 50  0001 C CNN
F 1 "+3V3" H 5315 2623 50  0000 C CNN
F 2 "" H 5300 2450 50  0001 C CNN
F 3 "" H 5300 2450 50  0001 C CNN
	1    5300 2450
	1    0    0    -1  
$EndComp
Connection ~ 5300 2450
Wire Wire Line
	5300 2450 5000 2450
Wire Wire Line
	7150 2150 7000 2150
Wire Wire Line
	7000 2150 7000 2850
Wire Wire Line
	7000 2850 5750 2850
Wire Wire Line
	5750 2850 5750 2450
Connection ~ 5750 2450
Wire Wire Line
	5750 2450 5300 2450
Wire Wire Line
	4550 1750 4550 1400
Wire Wire Line
	4000 1750 4550 1750
$Comp
L power:GND #PWR0104
U 1 1 617A6107
P 2550 5650
F 0 "#PWR0104" H 2550 5400 50  0001 C CNN
F 1 "GND" H 2555 5477 50  0000 C CNN
F 2 "" H 2550 5650 50  0001 C CNN
F 3 "" H 2550 5650 50  0001 C CNN
	1    2550 5650
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0105
U 1 1 617A6476
P 5000 5650
F 0 "#PWR0105" H 5000 5400 50  0001 C CNN
F 1 "GND" H 5005 5477 50  0000 C CNN
F 2 "" H 5000 5650 50  0001 C CNN
F 3 "" H 5000 5650 50  0001 C CNN
	1    5000 5650
	1    0    0    -1  
$EndComp
$Comp
L power:+5V #PWR0106
U 1 1 617A6A24
P 6900 1700
F 0 "#PWR0106" H 6900 1550 50  0001 C CNN
F 1 "+5V" H 6915 1873 50  0000 C CNN
F 2 "" H 6900 1700 50  0001 C CNN
F 3 "" H 6900 1700 50  0001 C CNN
	1    6900 1700
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0107
U 1 1 617A76D4
P 5900 1450
F 0 "#PWR0107" H 5900 1200 50  0001 C CNN
F 1 "GND" H 5905 1277 50  0000 C CNN
F 2 "" H 5900 1450 50  0001 C CNN
F 3 "" H 5900 1450 50  0001 C CNN
	1    5900 1450
	-1   0    0    1   
$EndComp
$Comp
L power:GND #PWR0108
U 1 1 617A99D2
P 6250 1700
F 0 "#PWR0108" H 6250 1450 50  0001 C CNN
F 1 "GND" H 6255 1527 50  0000 C CNN
F 2 "" H 6250 1700 50  0001 C CNN
F 3 "" H 6250 1700 50  0001 C CNN
	1    6250 1700
	-1   0    0    1   
$EndComp
$Comp
L power:GND #PWR0109
U 1 1 617AA5D4
P 7450 1700
F 0 "#PWR0109" H 7450 1450 50  0001 C CNN
F 1 "GND" H 7455 1527 50  0000 C CNN
F 2 "" H 7450 1700 50  0001 C CNN
F 3 "" H 7450 1700 50  0001 C CNN
	1    7450 1700
	-1   0    0    1   
$EndComp
$Comp
L Device:R R_zero1
U 1 1 617DDE94
P 4750 2050
F 0 "R_zero1" V 4543 2050 50  0000 C CNN
F 1 "R" V 4634 2050 50  0000 C CNN
F 2 "fab:R_1206" V 4680 2050 50  0001 C CNN
F 3 "~" H 4750 2050 50  0001 C CNN
	1    4750 2050
	0    1    1    0   
$EndComp
Wire Wire Line
	4900 2050 5600 2050
Wire Wire Line
	5600 2050 5600 3550
Wire Wire Line
	4000 2050 4600 2050
$Comp
L fab:Regulator_Linear_LM3480-3.3V-100mA U2
U 1 1 617F4D90
P 6250 2400
F 0 "U2" H 6250 2549 50  0000 C CNN
F 1 "Regulator_Linear_LM3480-3.3V-100mA" H 6250 2640 50  0000 C CNN
F 2 "fab:SOT-23" H 6250 2625 50  0001 C CIN
F 3 "https://www.ti.com/lit/ds/symlink/lm3480.pdf" H 6250 2400 50  0001 C CNN
	1    6250 2400
	-1   0    0    1   
$EndComp
$EndSCHEMATC