StudIOT.sch

EESchema Schematic File Version 4
LIBS:StudIOT-cache
EELAYER 26 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 1 2
Title ""
Date ""
Rev ""
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L _arduino_shieldsNCL:ARDUINO_NANO_33_IOT U0
U 1 1 5D3EA98E
P 2450 4300
F 0 "U0" H 2450 5265 50  0000 C CNN
F 1 "ARDUINO_NANO_33_IOT" H 2450 5174 50  0000 C CNN
F 2 "_arduino_shield:ARDUINO_NANO_33_IOT_TH" H 2450 4300 50  0001 C CNN
F 3 "" H 2450 4300 50  0001 C CNN
	1    2450 4300
	1    0    0    -1  
$EndComp
$Comp
L Connector_Generic:Conn_01x04 J20
U 1 1 5D3EA9EB
P 6950 5900
F 0 "J20" H 6869 5475 50  0000 C CNN
F 1 "Conn_01x04" H 6869 5566 50  0000 C CNN
F 2 "_connectors:GROVE_TH_V" H 6950 5900 50  0001 C CNN
F 3 "~" H 6950 5900 50  0001 C CNN
	1    6950 5900
	1    0    0    1   
$EndComp
$Comp
L Connector_Generic:Conn_01x04 J30
U 1 1 5D3EAA4A
P 10300 5400
F 0 "J30" H 10380 5392 50  0000 L CNN
F 1 "Conn_01x04" H 10380 5301 50  0000 L CNN
F 2 "_connectors:GROVE_TH_V" H 10300 5400 50  0001 C CNN
F 3 "~" H 10300 5400 50  0001 C CNN
	1    10300 5400
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C52
U 1 1 5D3EB685
P 10300 1850
F 0 "C52" H 10392 1896 50  0000 L CNN
F 1 "100nF" H 10392 1805 50  0000 L CNN
F 2 "Capacitor_SMD:C_0402_1005Metric" H 10300 1850 50  0001 C CNN
F 3 "~" H 10300 1850 50  0001 C CNN
	1    10300 1850
	1    0    0    -1  
$EndComp
$Comp
L _interface_IC:PCA9508 U20
U 1 1 5D3EDC7D
P 5350 5750
F 0 "U20" H 5600 6050 50  0000 C CNN
F 1 "PCA9508" H 5550 5450 50  0000 C CNN
F 2 "Package_SO:TSSOP-8_3x3mm_P0.65mm" H 5350 5600 50  0001 C CNN
F 3 "http://www.farnell.com/datasheets/2340285.pdf?_ga=2.148930358.1837370793.1564388179-307862962.1549974152&_gac=1.25292367.1562317174.CjwKCAjw6vvoBRBtEiwAZq-T1WX1TRXailAfWp7-Rx-HMSnui8WBSplixcoat656SBBe6rI6Lwx1IxoClLYQAvD_BwE" H 5350 5600 50  0001 C CNN
	1    5350 5750
	1    0    0    -1  
$EndComp
$Comp
L power:+3V3 #PWR0101
U 1 1 5D3EF1DA
P 4850 5550
F 0 "#PWR0101" H 4850 5400 50  0001 C CNN
F 1 "+3V3" H 4865 5723 50  0000 C CNN
F 2 "" H 4850 5550 50  0001 C CNN
F 3 "" H 4850 5550 50  0001 C CNN
	1    4850 5550
	1    0    0    -1  
$EndComp
$Comp
L power:+5V #PWR0102
U 1 1 5D3EF50C
P 5850 5300
F 0 "#PWR0102" H 5850 5150 50  0001 C CNN
F 1 "+5V" H 5850 5450 50  0000 C CNN
F 2 "" H 5850 5300 50  0001 C CNN
F 3 "" H 5850 5300 50  0001 C CNN
	1    5850 5300
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0103
U 1 1 5D3EF8AC
P 4850 5950
F 0 "#PWR0103" H 4850 5700 50  0001 C CNN
F 1 "GND" H 4855 5777 50  0000 C CNN
F 2 "" H 4850 5950 50  0001 C CNN
F 3 "" H 4850 5950 50  0001 C CNN
	1    4850 5950
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R21
U 1 1 5D3F04BC
P 6300 5500
F 0 "R21" H 6359 5546 50  0000 L CNN
F 1 "10K" H 6359 5455 50  0000 L CNN
F 2 "Resistor_SMD:R_0402_1005Metric" H 6300 5500 50  0001 C CNN
F 3 "~" H 6300 5500 50  0001 C CNN
	1    6300 5500
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R20
U 1 1 5D3F0824
P 6150 5500
F 0 "R20" H 5950 5550 50  0000 L CNN
F 1 "10K" H 5950 5450 50  0000 L CNN
F 2 "Resistor_SMD:R_0402_1005Metric" H 6150 5500 50  0001 C CNN
F 3 "~" H 6150 5500 50  0001 C CNN
	1    6150 5500
	1    0    0    -1  
$EndComp
Wire Wire Line
	5800 5600 5850 5600
Wire Wire Line
	5850 5600 5850 5350
Wire Wire Line
	5850 5350 6150 5350
Wire Wire Line
	6300 5350 6300 5400
Connection ~ 5850 5350
Wire Wire Line
	5850 5350 5850 5300
Wire Wire Line
	6150 5400 6150 5350
Connection ~ 6150 5350
Wire Wire Line
	6150 5350 6300 5350
Wire Wire Line
	6150 5600 6150 5700
Wire Wire Line
	6150 5700 5800 5700
Connection ~ 6150 5700
Wire Wire Line
	6300 5600 6300 5800
Wire Wire Line
	6300 5800 5800 5800
Connection ~ 6300 5800
Wire Wire Line
	4450 5700 4900 5700
Wire Wire Line
	4450 5800 4900 5800
Wire Wire Line
	4850 5950 4850 5900
Wire Wire Line
	4850 5900 4900 5900
Wire Wire Line
	4850 5550 4850 5600
Wire Wire Line
	4850 5600 4900 5600
Wire Wire Line
	6150 5700 6750 5700
Wire Wire Line
	6300 5800 6750 5800
$Comp
L power:GND #PWR0104
U 1 1 5D3F5970
P 6700 6050
F 0 "#PWR0104" H 6700 5800 50  0001 C CNN
F 1 "GND" H 6705 5877 50  0000 C CNN
F 2 "" H 6700 6050 50  0001 C CNN
F 3 "" H 6700 6050 50  0001 C CNN
	1    6700 6050
	1    0    0    -1  
$EndComp
$Comp
L power:+5V #PWR0105
U 1 1 5D3F5B13
P 6450 6050
F 0 "#PWR0105" H 6450 5900 50  0001 C CNN
F 1 "+5V" H 6450 6200 50  0000 C CNN
F 2 "" H 6450 6050 50  0001 C CNN
F 3 "" H 6450 6050 50  0001 C CNN
	1    6450 6050
	1    0    0    -1  
$EndComp
Wire Wire Line
	6450 6050 6550 6050
Wire Wire Line
	6550 6050 6550 5900
Wire Wire Line
	6550 5900 6750 5900
Wire Wire Line
	6700 6050 6700 6000
Wire Wire Line
	6700 6000 6750 6000
$Comp
L Device:C_Small C20
U 1 1 5D3F6DC2
P 5150 5100
F 0 "C20" H 5059 5054 50  0000 R CNN
F 1 "100nF" H 5059 5145 50  0000 R CNN
F 2 "Capacitor_SMD:C_0402_1005Metric" H 5150 5100 50  0001 C CNN
F 3 "~" H 5150 5100 50  0001 C CNN
	1    5150 5100
	1    0    0    1   
$EndComp
$Comp
L Device:C_Small C21
U 1 1 5D3F6F35
P 5400 5100
F 0 "C21" H 5492 5146 50  0000 L CNN
F 1 "100nF" H 5492 5055 50  0000 L CNN
F 2 "Capacitor_SMD:C_0402_1005Metric" H 5400 5100 50  0001 C CNN
F 3 "~" H 5400 5100 50  0001 C CNN
	1    5400 5100
	1    0    0    -1  
$EndComp
$Comp
L power:+5V #PWR0106
U 1 1 5D3F7531
P 5400 5000
F 0 "#PWR0106" H 5400 4850 50  0001 C CNN
F 1 "+5V" H 5400 5150 50  0000 C CNN
F 2 "" H 5400 5000 50  0001 C CNN
F 3 "" H 5400 5000 50  0001 C CNN
	1    5400 5000
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0107
U 1 1 5D3F773D
P 5400 5200
F 0 "#PWR0107" H 5400 4950 50  0001 C CNN
F 1 "GND" H 5405 5027 50  0000 C CNN
F 2 "" H 5400 5200 50  0001 C CNN
F 3 "" H 5400 5200 50  0001 C CNN
	1    5400 5200
	1    0    0    -1  
$EndComp
$Comp
L power:+3V3 #PWR0108
U 1 1 5D3F78FD
P 5150 5000
F 0 "#PWR0108" H 5150 4850 50  0001 C CNN
F 1 "+3V3" H 5150 5150 50  0000 C CNN
F 2 "" H 5150 5000 50  0001 C CNN
F 3 "" H 5150 5000 50  0001 C CNN
	1    5150 5000
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0109
U 1 1 5D3F7A84
P 5150 5200
F 0 "#PWR0109" H 5150 4950 50  0001 C CNN
F 1 "GND" H 5155 5027 50  0000 C CNN
F 2 "" H 5150 5200 50  0001 C CNN
F 3 "" H 5150 5200 50  0001 C CNN
	1    5150 5200
	1    0    0    -1  
$EndComp
Wire Notes Line
	4150 4450 4150 6450
Text Notes 4200 4650 0    50   ~ 0
I2C unit\n(may be extended to multiple I2C connectors)\n
$Comp
L Transistor_FET:BSS138 Q30
U 1 1 5D3FB918
P 8800 4700
F 0 "Q30" V 9050 4700 50  0000 C CNN
F 1 "BSS138" V 9141 4700 50  0000 C CNN
F 2 "Package_TO_SOT_SMD:SOT-23" H 9000 4625 50  0001 L CIN
F 3 "https://www.fairchildsemi.com/datasheets/BS/BSS138.pdf" H 8800 4700 50  0001 L CNN
	1    8800 4700
	0    1    1    0   
$EndComp
Wire Wire Line
	8600 4800 8000 4800
$Comp
L power:+5V #PWR0110
U 1 1 5D3FE530
P 9200 4400
F 0 "#PWR0110" H 9200 4250 50  0001 C CNN
F 1 "+5V" H 9200 4550 50  0000 C CNN
F 2 "" H 9200 4400 50  0001 C CNN
F 3 "" H 9200 4400 50  0001 C CNN
	1    9200 4400
	1    0    0    -1  
$EndComp
$Comp
L power:+3V3 #PWR0111
U 1 1 5D3FE8E7
P 8800 4400
F 0 "#PWR0111" H 8800 4250 50  0001 C CNN
F 1 "+3V3" H 8800 4550 50  0000 C CNN
F 2 "" H 8800 4400 50  0001 C CNN
F 3 "" H 8800 4400 50  0001 C CNN
	1    8800 4400
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R30
U 1 1 5D3FF055
P 9200 4550
F 0 "R30" H 9000 4600 50  0000 L CNN
F 1 "10K" H 9000 4500 50  0000 L CNN
F 2 "Resistor_SMD:R_0402_1005Metric" H 9200 4550 50  0001 C CNN
F 3 "~" H 9200 4550 50  0001 C CNN
	1    9200 4550
	-1   0    0    -1  
$EndComp
$Comp
L Device:C_Small C30
U 1 1 5D3FF6B7
P 8550 4450
F 0 "C30" V 8321 4450 50  0000 C CNN
F 1 "100nF" V 8412 4450 50  0000 C CNN
F 2 "Capacitor_SMD:C_0402_1005Metric" H 8550 4450 50  0001 C CNN
F 3 "~" H 8550 4450 50  0001 C CNN
	1    8550 4450
	0    -1   1    0   
$EndComp
$Comp
L power:GND #PWR0112
U 1 1 5D40073E
P 8400 4500
F 0 "#PWR0112" H 8400 4250 50  0001 C CNN
F 1 "GND" H 8405 4327 50  0000 C CNN
F 2 "" H 8400 4500 50  0001 C CNN
F 3 "" H 8400 4500 50  0001 C CNN
	1    8400 4500
	1    0    0    -1  
$EndComp
Wire Wire Line
	8400 4500 8400 4450
Wire Wire Line
	8400 4450 8450 4450
Wire Wire Line
	8650 4450 8800 4450
Wire Wire Line
	8800 4450 8800 4400
Wire Wire Line
	8800 4500 8800 4450
Connection ~ 8800 4450
Wire Wire Line
	9000 4800 9200 4800
Wire Wire Line
	9200 4650 9200 4800
Connection ~ 9200 4800
Wire Wire Line
	9200 4400 9200 4450
$Comp
L Transistor_FET:BSS138 Q40
U 1 1 5D4064C5
P 8800 6000
F 0 "Q40" V 9050 6000 50  0000 C CNN
F 1 "BSS138" V 9141 6000 50  0000 C CNN
F 2 "Package_TO_SOT_SMD:SOT-23" H 9000 5925 50  0001 L CIN
F 3 "https://www.fairchildsemi.com/datasheets/BS/BSS138.pdf" H 8800 6000 50  0001 L CNN
	1    8800 6000
	0    1    1    0   
$EndComp
Wire Wire Line
	8600 6100 8000 6100
$Comp
L power:+5V #PWR0113
U 1 1 5D4064D5
P 9200 5700
F 0 "#PWR0113" H 9200 5550 50  0001 C CNN
F 1 "+5V" H 9200 5850 50  0000 C CNN
F 2 "" H 9200 5700 50  0001 C CNN
F 3 "" H 9200 5700 50  0001 C CNN
	1    9200 5700
	1    0    0    -1  
$EndComp
$Comp
L power:+3V3 #PWR0114
U 1 1 5D4064DB
P 8800 5700
F 0 "#PWR0114" H 8800 5550 50  0001 C CNN
F 1 "+3V3" H 8800 5850 50  0000 C CNN
F 2 "" H 8800 5700 50  0001 C CNN
F 3 "" H 8800 5700 50  0001 C CNN
	1    8800 5700
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R40
U 1 1 5D4064E2
P 9200 5850
F 0 "R40" H 9000 5900 50  0000 L CNN
F 1 "10K" H 9000 5800 50  0000 L CNN
F 2 "Resistor_SMD:R_0402_1005Metric" H 9200 5850 50  0001 C CNN
F 3 "~" H 9200 5850 50  0001 C CNN
	1    9200 5850
	-1   0    0    -1  
$EndComp
$Comp
L Device:C_Small C40
U 1 1 5D4064E9
P 8550 5750
F 0 "C40" V 8321 5750 50  0000 C CNN
F 1 "100nF" V 8412 5750 50  0000 C CNN
F 2 "Capacitor_SMD:C_0402_1005Metric" H 8550 5750 50  0001 C CNN
F 3 "~" H 8550 5750 50  0001 C CNN
	1    8550 5750
	0    -1   1    0   
$EndComp
$Comp
L power:GND #PWR0115
U 1 1 5D4064F0
P 8400 5800
F 0 "#PWR0115" H 8400 5550 50  0001 C CNN
F 1 "GND" H 8405 5627 50  0000 C CNN
F 2 "" H 8400 5800 50  0001 C CNN
F 3 "" H 8400 5800 50  0001 C CNN
	1    8400 5800
	1    0    0    -1  
$EndComp
Wire Wire Line
	8400 5800 8400 5750
Wire Wire Line
	8400 5750 8450 5750
Wire Wire Line
	8650 5750 8800 5750
Wire Wire Line
	8800 5750 8800 5700
Wire Wire Line
	8800 5800 8800 5750
Connection ~ 8800 5750
Wire Wire Line
	9000 6100 9200 6100
Wire Wire Line
	9200 5950 9200 6100
Connection ~ 9200 6100
Wire Wire Line
	9200 5700 9200 5750
$Comp
L power:GND #PWR0116
U 1 1 5D40BB9A
P 9850 5200
F 0 "#PWR0116" H 9850 4950 50  0001 C CNN
F 1 "GND" H 9855 5027 50  0000 C CNN
F 2 "" H 9850 5200 50  0001 C CNN
F 3 "" H 9850 5200 50  0001 C CNN
	1    9850 5200
	1    0    0    -1  
$EndComp
Wire Wire Line
	10100 5300 10100 5150
Wire Wire Line
	10100 5150 9850 5150
Wire Wire Line
	9850 5150 9850 5200
Wire Wire Line
	10100 5400 10000 5400
Wire Wire Line
	10000 5050 10000 5400
$Comp
L power:+5V #PWR0117
U 1 1 5D40D6CF
P 10000 5050
F 0 "#PWR0117" H 10000 4900 50  0001 C CNN
F 1 "+5V" H 10000 5200 50  0000 C CNN
F 2 "" H 10000 5050 50  0001 C CNN
F 3 "" H 10000 5050 50  0001 C CNN
	1    10000 5050
	1    0    0    -1  
$EndComp
$Comp
L _transistors:2N7002DW Q50
U 1 1 5D411600
P 8800 1700
F 0 "Q50" V 9050 1700 50  0000 C CNN
F 1 "2N7002DW" V 9141 1700 50  0000 C CNN
F 2 "Package_TO_SOT_SMD:SOT-363_SC-70-6" H 9000 1625 50  0001 L CIN
F 3 "" H 8800 1700 50  0001 L CNN
	1    8800 1700
	0    1    1    0   
$EndComp
$Comp
L _transistors:2N7002DW Q50
U 2 1 5D411829
P 8800 3000
F 0 "Q50" V 9050 3000 50  0000 C CNN
F 1 "2N7002DW" V 9141 3000 50  0000 C CNN
F 2 "Package_TO_SOT_SMD:SOT-363_SC-70-6" H 9000 2925 50  0001 L CIN
F 3 "" H 8800 3000 50  0001 L CNN
	2    8800 3000
	0    1    1    0   
$EndComp
$Comp
L Connector_Generic:Conn_01x04 J50
U 1 1 5D412CDF
P 10300 2400
F 0 "J50" H 10380 2392 50  0000 L CNN
F 1 "Conn_01x04" H 10380 2301 50  0000 L CNN
F 2 "_connectors:GROVE_TH_V" H 10300 2400 50  0001 C CNN
F 3 "~" H 10300 2400 50  0001 C CNN
	1    10300 2400
	1    0    0    -1  
$EndComp
Wire Wire Line
	8600 1800 8150 1800
$Comp
L power:+5V #PWR0118
U 1 1 5D412CF6
P 9200 1450
F 0 "#PWR0118" H 9200 1300 50  0001 C CNN
F 1 "+5V" H 9200 1600 50  0000 C CNN
F 2 "" H 9200 1450 50  0001 C CNN
F 3 "" H 9200 1450 50  0001 C CNN
	1    9200 1450
	1    0    0    -1  
$EndComp
$Comp
L power:+3V3 #PWR0119
U 1 1 5D412CFC
P 8800 1400
F 0 "#PWR0119" H 8800 1250 50  0001 C CNN
F 1 "+3V3" H 8800 1550 50  0000 C CNN
F 2 "" H 8800 1400 50  0001 C CNN
F 3 "" H 8800 1400 50  0001 C CNN
	1    8800 1400
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R50
U 1 1 5D412D03
P 9200 1600
F 0 "R50" H 9000 1650 50  0000 L CNN
F 1 "10K" H 9000 1550 50  0000 L CNN
F 2 "Resistor_SMD:R_0402_1005Metric" H 9200 1600 50  0001 C CNN
F 3 "~" H 9200 1600 50  0001 C CNN
	1    9200 1600
	-1   0    0    -1  
$EndComp
$Comp
L Device:C_Small C50
U 1 1 5D412D0A
P 8400 1350
F 0 "C50" H 8308 1396 50  0000 R CNN
F 1 "100nF" H 8308 1305 50  0000 R CNN
F 2 "Capacitor_SMD:C_0402_1005Metric" H 8400 1350 50  0001 C CNN
F 3 "~" H 8400 1350 50  0001 C CNN
	1    8400 1350
	-1   0    0    -1  
$EndComp
$Comp
L power:GND #PWR0120
U 1 1 5D412D11
P 8400 1500
F 0 "#PWR0120" H 8400 1250 50  0001 C CNN
F 1 "GND" H 8405 1327 50  0000 C CNN
F 2 "" H 8400 1500 50  0001 C CNN
F 3 "" H 8400 1500 50  0001 C CNN
	1    8400 1500
	1    0    0    -1  
$EndComp
Wire Wire Line
	8400 1500 8400 1450
Wire Wire Line
	9000 1800 9200 1800
Wire Wire Line
	9200 1700 9200 1800
Connection ~ 9200 1800
Wire Wire Line
	9200 1450 9200 1500
Wire Wire Line
	8600 3100 8150 3100
$Comp
L power:+5V #PWR0121
U 1 1 5D412D33
P 9200 2700
F 0 "#PWR0121" H 9200 2550 50  0001 C CNN
F 1 "+5V" H 9200 2850 50  0000 C CNN
F 2 "" H 9200 2700 50  0001 C CNN
F 3 "" H 9200 2700 50  0001 C CNN
	1    9200 2700
	1    0    0    -1  
$EndComp
$Comp
L power:+3V3 #PWR0122
U 1 1 5D412D39
P 8800 2700
F 0 "#PWR0122" H 8800 2550 50  0001 C CNN
F 1 "+3V3" H 8800 2850 50  0000 C CNN
F 2 "" H 8800 2700 50  0001 C CNN
F 3 "" H 8800 2700 50  0001 C CNN
	1    8800 2700
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R51
U 1 1 5D412D40
P 9200 2850
F 0 "R51" H 9000 2900 50  0000 L CNN
F 1 "10K" H 9000 2800 50  0000 L CNN
F 2 "Resistor_SMD:R_0402_1005Metric" H 9200 2850 50  0001 C CNN
F 3 "~" H 9200 2850 50  0001 C CNN
	1    9200 2850
	-1   0    0    -1  
$EndComp
Wire Wire Line
	9000 3100 9200 3100
Wire Wire Line
	9200 2950 9200 3100
Connection ~ 9200 3100
Wire Wire Line
	9200 2700 9200 2750
$Comp
L power:GND #PWR0124
U 1 1 5D412D64
P 9850 2200
F 0 "#PWR0124" H 9850 1950 50  0001 C CNN
F 1 "GND" H 9855 2027 50  0000 C CNN
F 2 "" H 9850 2200 50  0001 C CNN
F 3 "" H 9850 2200 50  0001 C CNN
	1    9850 2200
	1    0    0    -1  
$EndComp
Wire Wire Line
	10100 2300 10100 2150
Wire Wire Line
	10100 2150 9850 2150
Wire Wire Line
	9850 2150 9850 2200
Wire Wire Line
	10100 2400 10000 2400
Wire Wire Line
	10000 2050 10000 2400
$Comp
L power:+5V #PWR0125
U 1 1 5D412D6F
P 10000 2050
F 0 "#PWR0125" H 10000 1900 50  0001 C CNN
F 1 "+5V" H 10000 2200 50  0000 C CNN
F 2 "" H 10000 2050 50  0001 C CNN
F 3 "" H 10000 2050 50  0001 C CNN
	1    10000 2050
	1    0    0    -1  
$EndComp
$Comp
L power:+5V #PWR0126
U 1 1 5D422182
P 10300 1750
F 0 "#PWR0126" H 10300 1600 50  0001 C CNN
F 1 "+5V" H 10300 1900 50  0000 C CNN
F 2 "" H 10300 1750 50  0001 C CNN
F 3 "" H 10300 1750 50  0001 C CNN
	1    10300 1750
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0127
U 1 1 5D422377
P 10300 1950
F 0 "#PWR0127" H 10300 1700 50  0001 C CNN
F 1 "GND" H 10305 1777 50  0000 C CNN
F 2 "" H 10300 1950 50  0001 C CNN
F 3 "" H 10300 1950 50  0001 C CNN
	1    10300 1950
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C31
U 1 1 5D422E73
P 10300 4800
F 0 "C31" H 10392 4846 50  0000 L CNN
F 1 "100nF" H 10392 4755 50  0000 L CNN
F 2 "Capacitor_SMD:C_0402_1005Metric" H 10300 4800 50  0001 C CNN
F 3 "~" H 10300 4800 50  0001 C CNN
	1    10300 4800
	1    0    0    -1  
$EndComp
$Comp
L power:+5V #PWR0128
U 1 1 5D422E7A
P 10300 4700
F 0 "#PWR0128" H 10300 4550 50  0001 C CNN
F 1 "+5V" H 10300 4850 50  0000 C CNN
F 2 "" H 10300 4700 50  0001 C CNN
F 3 "" H 10300 4700 50  0001 C CNN
	1    10300 4700
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0129
U 1 1 5D422E80
P 10300 4900
F 0 "#PWR0129" H 10300 4650 50  0001 C CNN
F 1 "GND" H 10305 4727 50  0000 C CNN
F 2 "" H 10300 4900 50  0001 C CNN
F 3 "" H 10300 4900 50  0001 C CNN
	1    10300 4900
	1    0    0    -1  
$EndComp
Wire Notes Line
	7350 3800 11100 3800
Wire Notes Line
	11100 800  11100 6450
Text Notes 7400 3950 0    50   ~ 0
Level shifter FET (discrete)\n
Text Notes 7400 950  0    50   ~ 0
Level shifter FET (IC)\n
Wire Notes Line
	4150 6450 11100 6450
Wire Notes Line
	7350 800  7350 6450
$Comp
L Device:C_Small C62
U 1 1 5D4419E6
P 6700 2600
F 0 "C62" H 6792 2646 50  0000 L CNN
F 1 "100nF" H 6792 2555 50  0000 L CNN
F 2 "Capacitor_SMD:C_0402_1005Metric" H 6700 2600 50  0001 C CNN
F 3 "~" H 6700 2600 50  0001 C CNN
	1    6700 2600
	1    0    0    -1  
$EndComp
$Comp
L _transistors:2N7002DW Q60
U 1 1 5D4419ED
P 5200 2450
F 0 "Q60" V 5450 2450 50  0000 C CNN
F 1 "2N7002DW" V 5541 2450 50  0000 C CNN
F 2 "Package_TO_SOT_SMD:SOT-363_SC-70-6" H 5400 2375 50  0001 L CIN
F 3 "" H 5200 2450 50  0001 L CNN
	1    5200 2450
	0    1    1    0   
$EndComp
$Comp
L _transistors:2N7002DW Q60
U 2 1 5D4419F4
P 5200 3750
F 0 "Q60" V 5450 3750 50  0000 C CNN
F 1 "2N7002DW" V 5541 3750 50  0000 C CNN
F 2 "Package_TO_SOT_SMD:SOT-363_SC-70-6" H 5400 3675 50  0001 L CIN
F 3 "" H 5200 3750 50  0001 L CNN
	2    5200 3750
	0    1    1    0   
$EndComp
$Comp
L Connector_Generic:Conn_01x04 J60
U 1 1 5D4419FB
P 6700 3150
F 0 "J60" H 6780 3142 50  0000 L CNN
F 1 "Conn_01x04" H 6780 3051 50  0000 L CNN
F 2 "_connectors:GROVE_TH_V" H 6700 3150 50  0001 C CNN
F 3 "~" H 6700 3150 50  0001 C CNN
	1    6700 3150
	1    0    0    -1  
$EndComp
$Comp
L power:+5V #PWR0130
U 1 1 5D441A0B
P 6750 1200
F 0 "#PWR0130" H 6750 1050 50  0001 C CNN
F 1 "+5V" H 6750 1350 50  0000 C CNN
F 2 "" H 6750 1200 50  0001 C CNN
F 3 "" H 6750 1200 50  0001 C CNN
	1    6750 1200
	1    0    0    -1  
$EndComp
$Comp
L power:+3V3 #PWR0131
U 1 1 5D441A11
P 5200 1950
F 0 "#PWR0131" H 5200 1800 50  0001 C CNN
F 1 "+3V3" H 5200 2100 50  0000 C CNN
F 2 "" H 5200 1950 50  0001 C CNN
F 3 "" H 5200 1950 50  0001 C CNN
	1    5200 1950
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R60
U 1 1 5D441A18
P 5600 2300
F 0 "R60" H 5400 2350 50  0000 L CNN
F 1 "10K" H 5400 2250 50  0000 L CNN
F 2 "Resistor_SMD:R_0402_1005Metric" H 5600 2300 50  0001 C CNN
F 3 "~" H 5600 2300 50  0001 C CNN
	1    5600 2300
	-1   0    0    -1  
$EndComp
$Comp
L Device:C_Small C60
U 1 1 5D441A1F
P 4800 2100
F 0 "C60" H 4708 2146 50  0000 R CNN
F 1 "100nF" H 4708 2055 50  0000 R CNN
F 2 "Capacitor_SMD:C_0402_1005Metric" H 4800 2100 50  0001 C CNN
F 3 "~" H 4800 2100 50  0001 C CNN
	1    4800 2100
	-1   0    0    -1  
$EndComp
$Comp
L power:GND #PWR0132
U 1 1 5D441A26
P 4800 2250
F 0 "#PWR0132" H 4800 2000 50  0001 C CNN
F 1 "GND" H 4805 2077 50  0000 C CNN
F 2 "" H 4800 2250 50  0001 C CNN
F 3 "" H 4800 2250 50  0001 C CNN
	1    4800 2250
	1    0    0    -1  
$EndComp
Wire Wire Line
	4800 2250 4800 2200
Wire Wire Line
	5400 2550 5600 2550
Wire Wire Line
	5600 2400 5600 2550
Connection ~ 5600 2550
Wire Wire Line
	5600 2150 5600 2200
$Comp
L Device:R_Small R61
U 1 1 5D441A4E
P 5600 3600
F 0 "R61" H 5400 3650 50  0000 L CNN
F 1 "10K" H 5400 3550 50  0000 L CNN
F 2 "Resistor_SMD:R_0402_1005Metric" H 5600 3600 50  0001 C CNN
F 3 "~" H 5600 3600 50  0001 C CNN
	1    5600 3600
	-1   0    0    -1  
$EndComp
Wire Wire Line
	5400 3850 5600 3850
Wire Wire Line
	5600 3700 5600 3850
Connection ~ 5600 3850
Wire Wire Line
	5600 3450 5600 3500
$Comp
L power:GND #PWR0135
U 1 1 5D441A72
P 6250 2950
F 0 "#PWR0135" H 6250 2700 50  0001 C CNN
F 1 "GND" H 6255 2777 50  0000 C CNN
F 2 "" H 6250 2950 50  0001 C CNN
F 3 "" H 6250 2950 50  0001 C CNN
	1    6250 2950
	1    0    0    -1  
$EndComp
Wire Wire Line
	6500 3050 6500 2900
Wire Wire Line
	6500 2900 6250 2900
Wire Wire Line
	6250 2900 6250 2950
Wire Wire Line
	6500 3150 6400 3150
Wire Wire Line
	6400 2800 6400 3150
$Comp
L power:+5V #PWR0136
U 1 1 5D441A7D
P 6400 2800
F 0 "#PWR0136" H 6400 2650 50  0001 C CNN
F 1 "+5V" H 6400 2950 50  0000 C CNN
F 2 "" H 6400 2800 50  0001 C CNN
F 3 "" H 6400 2800 50  0001 C CNN
	1    6400 2800
	1    0    0    -1  
$EndComp
$Comp
L power:+5V #PWR0137
U 1 1 5D441A83
P 6700 2500
F 0 "#PWR0137" H 6700 2350 50  0001 C CNN
F 1 "+5V" H 6700 2650 50  0000 C CNN
F 2 "" H 6700 2500 50  0001 C CNN
F 3 "" H 6700 2500 50  0001 C CNN
	1    6700 2500
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0138
U 1 1 5D441A89
P 6700 2700
F 0 "#PWR0138" H 6700 2450 50  0001 C CNN
F 1 "GND" H 6705 2527 50  0000 C CNN
F 2 "" H 6700 2700 50  0001 C CNN
F 3 "" H 6700 2700 50  0001 C CNN
	1    6700 2700
	1    0    0    -1  
$EndComp
Text Notes 3800 1000 0    50   ~ 0
Level shifter FET (IC)\nVoltage switchable (3V3-5V)
Wire Notes Line
	3700 4450 3700 800 
Wire Notes Line
	3700 4450 7350 4450
$Comp
L power:VDD #PWR0139
U 1 1 5D44AC41
P 5600 2150
F 0 "#PWR0139" H 5600 2000 50  0001 C CNN
F 1 "VDD" H 5617 2323 50  0000 C CNN
F 2 "" H 5600 2150 50  0001 C CNN
F 3 "" H 5600 2150 50  0001 C CNN
	1    5600 2150
	1    0    0    -1  
$EndComp
$Comp
L power:VDD #PWR0140
U 1 1 5D44B220
P 5600 3450
F 0 "#PWR0140" H 5600 3300 50  0001 C CNN
F 1 "VDD" H 5617 3623 50  0000 C CNN
F 2 "" H 5600 3450 50  0001 C CNN
F 3 "" H 5600 3450 50  0001 C CNN
	1    5600 3450
	1    0    0    -1  
$EndComp
$Comp
L power:VDD #PWR0141
U 1 1 5D44C623
P 6450 1200
F 0 "#PWR0141" H 6450 1050 50  0001 C CNN
F 1 "VDD" H 6467 1373 50  0000 C CNN
F 2 "" H 6450 1200 50  0001 C CNN
F 3 "" H 6450 1200 50  0001 C CNN
	1    6450 1200
	1    0    0    -1  
$EndComp
$Comp
L Jumper:SolderJumper_3_Open JP60
U 1 1 5D44CBAF
P 6450 1400
F 0 "JP60" H 6450 1512 50  0000 C CNN
F 1 "SolderJumper_3_Open" H 6450 1603 50  0000 C CNN
F 2 "Jumper:SolderJumper-3_P1.3mm_Open_RoundedPad1.0x1.5mm" H 6450 1400 50  0001 C CNN
F 3 "~" H 6450 1400 50  0001 C CNN
	1    6450 1400
	-1   0    0    1   
$EndComp
$Comp
L power:+3V3 #PWR0142
U 1 1 5D44D7AE
P 6150 1200
F 0 "#PWR0142" H 6150 1050 50  0001 C CNN
F 1 "+3V3" H 6150 1350 50  0000 C CNN
F 2 "" H 6150 1200 50  0001 C CNN
F 3 "" H 6150 1200 50  0001 C CNN
	1    6150 1200
	1    0    0    -1  
$EndComp
Wire Wire Line
	6750 1200 6750 1400
Wire Wire Line
	6750 1400 6650 1400
Wire Wire Line
	6250 1400 6150 1400
Wire Wire Line
	6150 1400 6150 1200
Wire Wire Line
	6450 1200 6450 1250
Wire Wire Line
	6100 3850 6100 3350
Wire Wire Line
	5600 3850 6100 3850
Wire Wire Line
	6100 3350 6500 3350
Wire Wire Line
	6100 3250 6100 2550
Wire Wire Line
	5600 2550 6100 2550
Wire Wire Line
	6100 3250 6500 3250
Wire Wire Line
	9650 1800 9650 2500
Wire Wire Line
	9200 1800 9650 1800
Wire Wire Line
	9650 2500 10100 2500
Wire Wire Line
	9650 3100 9650 2600
Wire Wire Line
	9200 3100 9650 3100
Wire Wire Line
	9650 2600 10100 2600
Wire Wire Line
	9700 6100 9700 5600
Wire Wire Line
	9200 6100 9700 6100
Wire Wire Line
	9700 5600 10100 5600
Wire Wire Line
	9700 4800 9700 5500
Wire Wire Line
	9200 4800 9700 4800
Wire Wire Line
	9700 5500 10100 5500
$Comp
L Connector_Generic:Conn_01x15 J1
U 1 1 5D484DEA
P 1350 6150
F 0 "J1" H 1270 7067 50  0000 C CNN
F 1 "Conn_01x15" H 1270 6976 50  0000 C CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x15_P2.54mm_Vertical" H 1350 6150 50  0001 C CNN
F 3 "~" H 1350 6150 50  0001 C CNN
	1    1350 6150
	-1   0    0    -1  
$EndComp
$Comp
L Connector_Generic:Conn_01x15 J2
U 1 1 5D4850CA
P 3350 6150
F 0 "J2" H 3300 5300 50  0000 L CNN
F 1 "Conn_01x15" H 3150 5200 50  0000 L CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x15_P2.54mm_Vertical" H 3350 6150 50  0001 C CNN
F 3 "~" H 3350 6150 50  0001 C CNN
	1    3350 6150
	1    0    0    -1  
$EndComp
Text Notes 900  5450 0    50   ~ 0
D13/SCK
Text Notes 1100 5550 0    50   ~ 0
3V3
Text Notes 1050 5650 0    50   ~ 0
AREF
Text Notes 900  5750 0    50   ~ 0
A0/DAC0\n
Text Notes 1150 5850 0    50   ~ 0
A1
Text Notes 1150 5950 0    50   ~ 0
A2
Text Notes 1150 6050 0    50   ~ 0
A3
Text Notes 950  6150 0    50   ~ 0
A4/SDA
Text Notes 950  6250 0    50   ~ 0
A5/SCL
Text Notes 1150 6350 0    50   ~ 0
A6
Text Notes 1150 6450 0    50   ~ 0
A7
Text Notes 1050 6550 0    50   ~ 0
VUSB
Text Notes 1100 6650 0    50   ~ 0
~RST
Text Notes 1100 6750 0    50   ~ 0
GND
Text Notes 1100 6850 0    50   ~ 0
VIN
Text Notes 3450 6850 0    50   ~ 0
TX
Text Notes 3450 6750 0    50   ~ 0
RX
Text Notes 3450 6650 0    50   ~ 0
~RST
Text Notes 3450 6550 0    50   ~ 0
GND
Text Notes 3450 6450 0    50   ~ 0
D2
Text Notes 3450 6350 0    50   ~ 0
D3(PWM)
Text Notes 3450 6250 0    50   ~ 0
D4
Text Notes 3450 6150 0    50   ~ 0
D5(PWM)
Text Notes 3450 6050 0    50   ~ 0
D6(PWM)
Text Notes 3450 5950 0    50   ~ 0
D7
Text Notes 3450 5850 0    50   ~ 0
D8
Text Notes 3450 5750 0    50   ~ 0
D9(PWM)
Text Notes 3450 5650 0    50   ~ 0
D10(PWM)
Text Notes 3450 5550 0    50   ~ 0
D11/MOSI
Text Notes 3450 5450 0    50   ~ 0
D12/MISO
$Comp
L power:+5V #PWR0143
U 1 1 5D4EC7B8
P 1750 6500
F 0 "#PWR0143" H 1750 6350 50  0001 C CNN
F 1 "+5V" H 1750 6650 50  0000 C CNN
F 2 "" H 1750 6500 50  0001 C CNN
F 3 "" H 1750 6500 50  0001 C CNN
	1    1750 6500
	1    0    0    -1  
$EndComp
Wire Wire Line
	1550 6550 1750 6550
Wire Wire Line
	1750 6550 1750 6500
$Comp
L power:+3V3 #PWR0144
U 1 1 5D4F0F98
P 1750 5500
F 0 "#PWR0144" H 1750 5350 50  0001 C CNN
F 1 "+3V3" H 1750 5650 50  0000 C CNN
F 2 "" H 1750 5500 50  0001 C CNN
F 3 "" H 1750 5500 50  0001 C CNN
	1    1750 5500
	1    0    0    -1  
$EndComp
Wire Wire Line
	1550 5550 1750 5550
Wire Wire Line
	1750 5550 1750 5500
$Comp
L power:GND #PWR0145
U 1 1 5D4F545A
P 1750 6800
F 0 "#PWR0145" H 1750 6550 50  0001 C CNN
F 1 "GND" H 1755 6627 50  0000 C CNN
F 2 "" H 1750 6800 50  0001 C CNN
F 3 "" H 1750 6800 50  0001 C CNN
	1    1750 6800
	1    0    0    -1  
$EndComp
Wire Wire Line
	1550 6750 1750 6750
Wire Wire Line
	1750 6750 1750 6800
$Comp
L power:GND #PWR0146
U 1 1 5D4F9AF2
P 2900 6600
F 0 "#PWR0146" H 2900 6350 50  0001 C CNN
F 1 "GND" H 2905 6427 50  0000 C CNN
F 2 "" H 2900 6600 50  0001 C CNN
F 3 "" H 2900 6600 50  0001 C CNN
	1    2900 6600
	1    0    0    -1  
$EndComp
Wire Wire Line
	2900 6600 2900 6550
Wire Wire Line
	2900 6550 3150 6550
Wire Wire Line
	1850 6150 1550 6150
Wire Wire Line
	1550 6250 1850 6250
$Comp
L power:+3V3 #PWR0123
U 1 1 5D50E2F8
P 4800 1950
F 0 "#PWR0123" H 4800 1800 50  0001 C CNN
F 1 "+3V3" H 4800 2100 50  0000 C CNN
F 2 "" H 4800 1950 50  0001 C CNN
F 3 "" H 4800 1950 50  0001 C CNN
	1    4800 1950
	1    0    0    -1  
$EndComp
Wire Wire Line
	5200 2150 5200 2200
Wire Wire Line
	4800 1950 4800 2000
$Comp
L Device:R_Small R62
U 1 1 5D535DC8
P 5200 2050
F 0 "R62" H 5000 2100 50  0000 L CNN
F 1 "10K" H 5000 2000 50  0000 L CNN
F 2 "Resistor_SMD:R_0402_1005Metric" H 5200 2050 50  0001 C CNN
F 3 "~" H 5200 2050 50  0001 C CNN
	1    5200 2050
	-1   0    0    -1  
$EndComp
Wire Wire Line
	5200 2200 5450 2200
Wire Wire Line
	5450 2200 5450 3500
Wire Wire Line
	5450 3500 5200 3500
Connection ~ 5200 2200
Wire Wire Line
	5200 2200 5200 2250
Wire Wire Line
	5200 3500 5200 3550
$Comp
L power:+3V3 #PWR0133
U 1 1 5D5496C3
P 8400 1200
F 0 "#PWR0133" H 8400 1050 50  0001 C CNN
F 1 "+3V3" H 8400 1350 50  0000 C CNN
F 2 "" H 8400 1200 50  0001 C CNN
F 3 "" H 8400 1200 50  0001 C CNN
	1    8400 1200
	1    0    0    -1  
$EndComp
Wire Wire Line
	8400 1200 8400 1250
Wire Wire Line
	8800 1400 8800 1500
Wire Wire Line
	8800 2700 8800 2800
$Comp
L Device:R_Small R110
U 1 1 5D564A23
P 2950 1300
F 0 "R110" H 2700 1350 50  0000 L CNN
F 1 "1K" H 2750 1250 50  0000 L CNN
F 2 "Resistor_SMD:R_0402_1005Metric" H 2950 1300 50  0001 C CNN
F 3 "~" H 2950 1300 50  0001 C CNN
	1    2950 1300
	-1   0    0    -1  
$EndComp
$Comp
L Device:R_Small R111
U 1 1 5D564ECA
P 2950 1600
F 0 "R111" H 2700 1650 50  0000 L CNN
F 1 "2K" H 2750 1550 50  0000 L CNN
F 2 "Resistor_SMD:R_0402_1005Metric" H 2950 1600 50  0001 C CNN
F 3 "~" H 2950 1600 50  0001 C CNN
	1    2950 1600
	-1   0    0    -1  
$EndComp
$Comp
L power:GND #PWR0134
U 1 1 5D56594A
P 2950 1750
F 0 "#PWR0134" H 2950 1500 50  0001 C CNN
F 1 "GND" H 2955 1577 50  0000 C CNN
F 2 "" H 2950 1750 50  0001 C CNN
F 3 "" H 2950 1750 50  0001 C CNN
	1    2950 1750
	1    0    0    -1  
$EndComp
$Comp
L Connector_Generic:Conn_01x04 J110
U 1 1 5D566DFB
P 2200 1350
F 0 "J110" H 2280 1342 50  0000 L CNN
F 1 "Conn_01x04" H 2280 1251 50  0000 L CNN
F 2 "_connectors:GROVE_TH_V" H 2200 1350 50  0001 C CNN
F 3 "~" H 2200 1350 50  0001 C CNN
	1    2200 1350
	-1   0    0    1   
$EndComp
Wire Wire Line
	2950 1400 2950 1450
Wire Wire Line
	2950 1700 2950 1750
$Comp
L Device:R_Small R112
U 1 1 5D5782F0
P 2950 2200
F 0 "R112" H 2700 2250 50  0000 L CNN
F 1 "1K" H 2750 2150 50  0000 L CNN
F 2 "Resistor_SMD:R_0402_1005Metric" H 2950 2200 50  0001 C CNN
F 3 "~" H 2950 2200 50  0001 C CNN
	1    2950 2200
	-1   0    0    -1  
$EndComp
$Comp
L Device:R_Small R113
U 1 1 5D5782F7
P 2950 2500
F 0 "R113" H 2700 2550 50  0000 L CNN
F 1 "2K" H 2750 2450 50  0000 L CNN
F 2 "Resistor_SMD:R_0402_1005Metric" H 2950 2500 50  0001 C CNN
F 3 "~" H 2950 2500 50  0001 C CNN
	1    2950 2500
	-1   0    0    -1  
$EndComp
$Comp
L power:GND #PWR0147
U 1 1 5D5782FE
P 2950 2650
F 0 "#PWR0147" H 2950 2400 50  0001 C CNN
F 1 "GND" H 2955 2477 50  0000 C CNN
F 2 "" H 2950 2650 50  0001 C CNN
F 3 "" H 2950 2650 50  0001 C CNN
	1    2950 2650
	1    0    0    -1  
$EndComp
Wire Wire Line
	2950 2300 2950 2350
Wire Wire Line
	2950 2600 2950 2650
Wire Wire Line
	3300 1450 2950 1450
Connection ~ 2950 1450
Wire Wire Line
	2950 1450 2950 1500
Wire Wire Line
	3300 2350 2950 2350
Connection ~ 2950 2350
Wire Wire Line
	2950 2350 2950 2400
Wire Wire Line
	2400 1150 2950 1150
Wire Wire Line
	2950 1150 2950 1200
Wire Wire Line
	2400 1250 2800 1250
Wire Wire Line
	2800 1250 2800 2050
Wire Wire Line
	2800 2050 2950 2050
Wire Wire Line
	2950 2050 2950 2100
$Comp
L power:GND #PWR0148
U 1 1 5D59A0DD
P 2450 1550
F 0 "#PWR0148" H 2450 1300 50  0001 C CNN
F 1 "GND" H 2455 1377 50  0000 C CNN
F 2 "" H 2450 1550 50  0001 C CNN
F 3 "" H 2450 1550 50  0001 C CNN
	1    2450 1550
	1    0    0    -1  
$EndComp
Wire Wire Line
	2400 1450 2450 1450
Wire Wire Line
	2450 1450 2450 1550
$Comp
L power:+5V #PWR0149
U 1 1 5D59FE84
P 2650 1500
F 0 "#PWR0149" H 2650 1350 50  0001 C CNN
F 1 "+5V" H 2650 1650 50  0000 C CNN
F 2 "" H 2650 1500 50  0001 C CNN
F 3 "" H 2650 1500 50  0001 C CNN
	1    2650 1500
	1    0    0    -1  
$EndComp
Wire Wire Line
	2400 1350 2550 1350
Wire Wire Line
	2550 1350 2550 1550
Wire Wire Line
	2550 1550 2650 1550
Wire Wire Line
	2650 1550 2650 1500
Wire Notes Line
	1550 800  1550 3000
Wire Notes Line
	1550 3000 3700 3000
Wire Notes Line
	1550 800  11100 800 
Text Notes 1600 950  0    50   ~ 0
Analog input
Wire Wire Line
	1550 5850 1700 5850
Wire Wire Line
	1550 5750 1700 5750
Wire Wire Line
	3000 6250 3150 6250
Wire Wire Line
	3000 6350 3150 6350
$Comp
L Device:C_Small C110
U 1 1 5D5DD3F0
P 1950 1950
F 0 "C110" H 2042 1996 50  0000 L CNN
F 1 "100nF" H 2042 1905 50  0000 L CNN
F 2 "Capacitor_SMD:C_0402_1005Metric" H 1950 1950 50  0001 C CNN
F 3 "~" H 1950 1950 50  0001 C CNN
	1    1950 1950
	1    0    0    -1  
$EndComp
$Comp
L power:+5V #PWR0150
U 1 1 5D5DD3F7
P 1950 1850
F 0 "#PWR0150" H 1950 1700 50  0001 C CNN
F 1 "+5V" H 1950 2000 50  0000 C CNN
F 2 "" H 1950 1850 50  0001 C CNN
F 3 "" H 1950 1850 50  0001 C CNN
	1    1950 1850
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0151
U 1 1 5D5DD3FD
P 1950 2050
F 0 "#PWR0151" H 1950 1800 50  0001 C CNN
F 1 "GND" H 1955 1877 50  0000 C CNN
F 2 "" H 1950 2050 50  0001 C CNN
F 3 "" H 1950 2050 50  0001 C CNN
	1    1950 2050
	1    0    0    -1  
$EndComp
$Sheet
S 4850 6750 1250 850 
U 5D5E5D45
F0 "shield2" 50
F1 "shield2.sch" 50
$EndSheet
Text Label 3000 6250 0    50   ~ 0
D4
Text Label 3000 6350 0    50   ~ 0
D3
Text Label 1700 5750 2    50   ~ 0
A0
Text Label 1700 5850 2    50   ~ 0
A1
Text Label 1850 6150 2    50   ~ 0
SDA3V3
Text Label 1850 6250 2    50   ~ 0
SCL3V3
Text Label 4450 5700 0    50   ~ 0
SCL3V3
Text Label 4450 5800 0    50   ~ 0
SDA3V3
Text Label 8000 4800 0    50   ~ 0
SDA3V3
Text Label 4400 2550 0    50   ~ 0
SDA3V3
Text Label 8000 6100 0    50   ~ 0
SCL3V3
Wire Wire Line
	4400 2550 5000 2550
Wire Wire Line
	4400 3850 5000 3850
Text Label 4400 3850 0    50   ~ 0
SCL3V3
Text Label 3300 1450 2    50   ~ 0
A0
Text Label 3300 2350 2    50   ~ 0
A1
Text Label 8150 1800 0    50   ~ 0
D4
Text Label 8150 3100 0    50   ~ 0
D3
$EndSCHEMATC