400 lines
8.7 KiB
Plaintext
400 lines
8.7 KiB
Plaintext
EESchema Schematic File Version 2
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LIBS:power
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LIBS:device
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LIBS:switches
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LIBS:relays
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LIBS:motors
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LIBS:transistors
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LIBS:conn
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LIBS:linear
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LIBS:regul
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LIBS:74xx
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LIBS:cmos4000
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LIBS:adc-dac
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LIBS:memory
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LIBS:xilinx
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LIBS:microcontrollers
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LIBS:dsp
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LIBS:microchip
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LIBS:analog_switches
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LIBS:motorola
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LIBS:texas
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LIBS:intel
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LIBS:audio
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LIBS:interface
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LIBS:digital-audio
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LIBS:philips
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LIBS:display
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LIBS:cypress
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LIBS:siliconi
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LIBS:opto
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LIBS:atmel
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LIBS:contrib
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LIBS:valves
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LIBS:lts
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LIBS:lts-proto-cache
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EELAYER 25 0
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EELAYER END
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$Descr USLetter 11000 8500
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encoding utf-8
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Sheet 3 3
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Title "Sensors"
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Date "2018-02-06"
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Rev "AA"
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Comp "Let's Talk Science"
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Comment1 "Shawn Nock <shawn@monadnock.ca>"
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Comment2 ""
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Comment3 ""
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Comment4 ""
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$EndDescr
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$Comp
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L Si7006-A20 U9
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U 1 1 5A7DCB07
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P 6900 4900
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AR Path="/5A7DCB07" Ref="U9" Part="1"
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AR Path="/5A7DC600/5A7DCB07" Ref="U9" Part="1"
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F 0 "U9" H 7050 4650 39 0000 C CNN
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F 1 "Si7006-A20" V 6750 4800 39 0000 C CNN
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F 2 "lts:DFN6_SiLabs_3x3_HandSoldering" H 6900 4900 39 0001 C CNN
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F 3 "" H 6900 4900 39 0001 C CNN
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F 4 "336-4155-1-ND" H 6900 4900 60 0001 C CNN "Digikey"
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F 5 "3.195" H 6900 4900 60 0001 C CNN "@100"
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F 6 "2.875" H 6900 4900 60 0001 C CNN "@1000"
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1 6900 4900
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1 0 0 -1
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$EndComp
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Wire Wire Line
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7200 4850 7350 4850
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Wire Wire Line
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7200 5000 7350 5000
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$Comp
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L GND #PWR040
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U 1 1 5A7DCB08
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P 6850 5400
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F 0 "#PWR040" H 6850 5150 50 0001 C CNN
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F 1 "GND" H 6850 5250 50 0000 C CNN
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F 2 "" H 6850 5400 50 0001 C CNN
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F 3 "" H 6850 5400 50 0001 C CNN
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1 6850 5400
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1 0 0 -1
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$EndComp
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$Comp
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L +3.3V #PWR041
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U 1 1 5A7DCB09
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P 6850 4450
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F 0 "#PWR041" H 6850 4300 50 0001 C CNN
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F 1 "+3.3V" H 6850 4590 50 0000 C CNN
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F 2 "" H 6850 4450 50 0001 C CNN
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F 3 "" H 6850 4450 50 0001 C CNN
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1 6850 4450
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1 0 0 -1
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$EndComp
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Wire Wire Line
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6850 4450 6850 4600
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$Comp
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L C C14
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U 1 1 5A7DCB0C
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P 6400 4900
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F 0 "C14" H 6425 5000 50 0000 L CNN
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F 1 "0.1uF" H 6425 4800 50 0000 L CNN
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F 2 "Capacitors_SMD:C_0603_HandSoldering" H 6438 4750 50 0001 C CNN
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F 3 "" H 6400 4900 50 0001 C CNN
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1 6400 4900
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1 0 0 -1
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$EndComp
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Text Notes 6250 4200 0 60 ~ 0
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Temperature and Humidity
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NoConn ~ 4650 4700
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NoConn ~ 4650 4800
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NoConn ~ 4650 5100
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$Comp
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L GND #PWR042
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U 1 1 5A7DCB10
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P 3550 5000
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F 0 "#PWR042" H 3550 4750 50 0001 C CNN
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F 1 "GND" H 3550 4850 50 0000 C CNN
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F 2 "" H 3550 5000 50 0001 C CNN
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F 3 "" H 3550 5000 50 0001 C CNN
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1 3550 5000
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0 1 1 0
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$EndComp
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Wire Wire Line
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4650 5000 4800 5000
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Wire Wire Line
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4650 4900 4800 4900
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$Comp
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L TEST_1P J20
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U 1 1 5A7DCB12
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P 4800 4900
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F 0 "J20" V 4800 5100 50 0000 C CNN
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F 1 "CO2_TX" V 4700 5050 50 0000 C CNN
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F 2 "Measurement_Points:Measurement_Point_Round-SMD-Pad_Small" H 5000 4900 50 0001 C CNN
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F 3 "" H 5000 4900 50 0001 C CNN
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1 4800 4900
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0 1 1 0
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$EndComp
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$Comp
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L TEST_1P J21
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U 1 1 5A7DCB13
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P 4800 5000
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F 0 "J21" V 4800 5200 50 0000 C CNN
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F 1 "CO2_RX" V 4900 5150 50 0000 C CNN
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F 2 "Measurement_Points:Measurement_Point_Round-SMD-Pad_Small" H 5000 5000 50 0001 C CNN
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F 3 "" H 5000 5000 50 0001 C CNN
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1 4800 5000
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0 1 1 0
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$EndComp
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$Comp
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L TEST_1P J22
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U 1 1 5A7DCB14
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P 4800 5400
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F 0 "J22" V 4800 5600 50 0000 C CNN
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F 1 "GND" V 4900 5500 50 0000 C CNN
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F 2 "Measurement_Points:Measurement_Point_Square-SMD-Pad_Small" H 5000 5400 50 0001 C CNN
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F 3 "" H 5000 5400 50 0001 C CNN
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1 4800 5400
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0 1 1 0
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$EndComp
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$Comp
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L GND #PWR043
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U 1 1 5A7DCB15
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P 4800 5400
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F 0 "#PWR043" H 4800 5150 50 0001 C CNN
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F 1 "GND" H 4800 5250 50 0000 C CNN
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F 2 "" H 4800 5400 50 0001 C CNN
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F 3 "" H 4800 5400 50 0001 C CNN
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1 4800 5400
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0 1 1 0
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$EndComp
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Wire Notes Line
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5400 5700 5400 4150
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$Comp
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L MH-Z19 U7
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U 1 1 5A7DCB16
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P 4100 4900
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F 0 "U7" H 4500 5250 60 0000 C CNN
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F 1 "MH-Z19" H 4100 4650 60 0000 C CNN
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F 2 "lts:MH-Z19" H 4100 4950 60 0001 C CNN
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F 3 "" H 4100 4950 60 0001 C CNN
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F 4 "18.00" H 4100 4900 60 0001 C CNN "@100"
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F 5 "17.1" H 4100 4900 60 0001 C CNN "@1000"
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1 4100 4900
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1 0 0 -1
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$EndComp
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$Comp
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L C C12
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U 1 1 5A7DCB19
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P 3450 5250
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F 0 "C12" H 3475 5350 50 0000 L CNN
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F 1 "0.1uF" H 3475 5150 50 0000 L CNN
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F 2 "Capacitors_SMD:C_0603_HandSoldering" H 3488 5100 50 0001 C CNN
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F 3 "" H 3450 5250 50 0001 C CNN
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1 3450 5250
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1 0 0 -1
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$EndComp
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Connection ~ 3450 5100
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NoConn ~ 3550 4900
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Wire Notes Line
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6200 5650 6200 4100
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$Comp
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L CCS811 U8
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U 1 1 5A7DCB50
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P 5750 2750
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AR Path="/5A7DCB50" Ref="U8" Part="1"
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AR Path="/5A7DC600/5A7DCB50" Ref="U8" Part="1"
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F 0 "U8" H 6050 3250 30 0000 C CNN
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F 1 "CCS811" H 5700 2700 30 0000 C CNN
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F 2 "lts:AMS_LGA-10-1EP_2.7x4mm_Pitch0.6mm_APCircuits_HandSoldering" H 5750 2750 30 0001 C CNN
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F 3 "" H 5750 2750 30 0001 C CNN
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F 4 "CCS811B-JOPD500CT-ND" H 5750 2750 60 0001 C CNN "Digikey"
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F 5 "10.296" H 5750 2750 60 0001 C CNN "@100"
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F 6 "8.783" H 5750 2750 60 0001 C CNN "@1000"
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1 5750 2750
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1 0 0 -1
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$EndComp
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Text GLabel 5300 2900 0 45 Input ~ 0
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SCL
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Text GLabel 5300 3000 0 45 Input ~ 0
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SDA
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NoConn ~ 5300 2550
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Wire Wire Line
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5200 2450 5300 2450
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Wire Wire Line
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5000 2100 6400 2100
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Wire Wire Line
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5750 2100 5750 2000
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$Comp
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L +3.3V #PWR044
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U 1 1 5A7DCB51
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P 5750 2000
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F 0 "#PWR044" H 5750 1850 50 0001 C CNN
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F 1 "+3.3V" H 5750 2140 50 0000 C CNN
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F 2 "" H 5750 2000 50 0001 C CNN
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F 3 "" H 5750 2000 50 0001 C CNN
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1 5750 2000
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1 0 0 -1
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$EndComp
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Wire Wire Line
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6200 2650 6200 2750
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Wire Wire Line
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5750 3300 6400 3300
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Wire Wire Line
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5800 3300 5800 3350
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Connection ~ 5800 3300
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$Comp
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L GND #PWR045
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U 1 1 5A7DCB52
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P 5800 3350
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F 0 "#PWR045" H 5800 3100 50 0001 C CNN
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F 1 "GND" H 5800 3200 50 0000 C CNN
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F 2 "" H 5800 3350 50 0001 C CNN
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F 3 "" H 5800 3350 50 0001 C CNN
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1 5800 3350
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1 0 0 -1
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$EndComp
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$Comp
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L R R12
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U 1 1 5A7DCB53
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P 5000 2250
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F 0 "R12" V 5080 2250 50 0000 C CNN
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F 1 "10k" V 5000 2250 50 0000 C CNN
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F 2 "Resistors_SMD:R_0603_HandSoldering" V 4930 2250 50 0001 C CNN
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F 3 "" H 5000 2250 50 0001 C CNN
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1 5000 2250
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1 0 0 -1
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$EndComp
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Connection ~ 5200 2100
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Wire Wire Line
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4850 2650 5300 2650
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Wire Wire Line
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5000 2650 5000 2400
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Connection ~ 5000 2650
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Text GLabel 4850 2650 0 45 Input ~ 0
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nCCS811
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Wire Notes Line
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4300 3550 6700 3550
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Wire Notes Line
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4300 3550 4300 1600
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Wire Notes Line
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4300 1600 6700 1600
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Text Notes 4350 1700 0 60 ~ 0
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VOC Sensor
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Text Notes 2450 4250 0 60 ~ 0
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CO2 Sensor (Infrared)
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Connection ~ 3150 5100
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Connection ~ 3300 5400
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Wire Wire Line
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3300 5450 3300 5400
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Wire Wire Line
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3150 5400 3450 5400
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$Comp
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L GND #PWR046
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U 1 1 5A7DCB18
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P 3300 5450
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F 0 "#PWR046" H 3300 5200 50 0001 C CNN
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F 1 "GND" H 3300 5300 50 0000 C CNN
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F 2 "" H 3300 5450 50 0001 C CNN
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F 3 "" H 3300 5450 50 0001 C CNN
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1 3300 5450
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1 0 0 -1
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$EndComp
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$Comp
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L CP C11
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U 1 1 5A7DCB17
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P 3150 5250
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F 0 "C11" H 3175 5350 50 0000 L CNN
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F 1 "CP" H 3175 5150 50 0000 L CNN
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F 2 "Capacitors_SMD:CP_Elec_5x5.3" H 3188 5100 50 0001 C CNN
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F 3 "" H 3150 5250 50 0001 C CNN
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1 3150 5250
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1 0 0 -1
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$EndComp
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Wire Notes Line
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2400 5700 2400 4150
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Wire Notes Line
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2400 5700 5400 5700
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Wire Notes Line
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2400 4150 5400 4150
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Wire Wire Line
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3050 5100 3550 5100
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$Comp
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L +5V #PWR047
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U 1 1 5A7DCB0E
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P 3050 5100
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F 0 "#PWR047" H 3050 4950 50 0001 C CNN
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F 1 "+5V" H 3050 5240 50 0000 C CNN
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F 2 "" H 3050 5100 50 0001 C CNN
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F 3 "" H 3050 5100 50 0001 C CNN
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1 3050 5100
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0 -1 -1 0
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$EndComp
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Text GLabel 3350 4800 0 45 Input ~ 0
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CO2_SENSOR
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Text GLabel 7350 5000 2 45 Input ~ 0
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SDA
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Text GLabel 7350 4850 2 45 Input ~ 0
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SCL
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$Comp
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L C C13
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U 1 1 5A7E16B5
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P 6400 2750
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F 0 "C13" H 6425 2850 50 0000 L CNN
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F 1 "4.7uF" H 6425 2650 50 0000 L CNN
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F 2 "Capacitors_SMD:C_0805_HandSoldering" H 6438 2600 50 0001 C CNN
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F 3 "" H 6400 2750 50 0001 C CNN
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1 6400 2750
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1 0 0 -1
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$EndComp
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Wire Wire Line
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6400 2100 6400 2600
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Connection ~ 5750 2100
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Wire Wire Line
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6400 3300 6400 2900
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Connection ~ 5850 3300
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Wire Notes Line
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6700 1600 6700 3550
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Wire Wire Line
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6850 4550 6400 4550
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Wire Wire Line
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6400 4550 6400 4750
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Connection ~ 6850 4550
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Wire Wire Line
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6850 5300 6850 5400
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Wire Wire Line
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6850 5350 6400 5350
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Wire Wire Line
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6400 5350 6400 5050
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Connection ~ 6850 5350
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Wire Notes Line
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6200 5650 7700 5650
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Wire Notes Line
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7700 5650 7700 4100
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Wire Notes Line
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7700 4100 6200 4100
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Text Notes 7150 5650 0 45 ~ 0
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I2C Addr.: 0x40
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Text Notes 6150 3550 0 45 ~ 0
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I2C Addr.: 0x5B
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Text Notes 4400 1750 0 30 ~ 0
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eCO2 (400-8192ppm)
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Text Notes 2500 4350 0 30 ~ 0
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CO2 (0-2000ppm; ±50ppm & 5%)
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Text Notes 6350 4250 0 30 ~ 0
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±1°C & 5% RH
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Wire Wire Line
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3350 4800 3550 4800
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$Comp
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L R R2
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U 1 1 5A87363C
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P 5200 2250
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F 0 "R2" V 5280 2250 50 0000 C CNN
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F 1 "4.7k" V 5200 2250 50 0000 C CNN
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F 2 "Resistors_SMD:R_0603_HandSoldering" V 5130 2250 50 0001 C CNN
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F 3 "" H 5200 2250 50 0001 C CNN
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1 5200 2250
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1 0 0 -1
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$EndComp
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Wire Wire Line
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5200 2450 5200 2400
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$EndSCHEMATC
|