221 lines
4.5 KiB
Plaintext
221 lines
4.5 KiB
Plaintext
EESchema Schematic File Version 2
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LIBS:lts-proto-rescue
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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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$Descr USLetter 11000 8500
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encoding utf-8
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Sheet 2 2
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Title "Sensors"
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Date "2018-03-11"
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Rev "AB"
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Comp "Let's Talk Science"
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Comment1 "Shawn Nock <shawn@monadnock.ca>"
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Comment2 ""
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Comment3 ""
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Comment4 ""
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$EndDescr
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$Comp
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L Si7006-A20 U9
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U 1 1 5A7DCB07
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P 7050 3800
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AR Path="/5A7DCB07" Ref="U9" Part="1"
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AR Path="/5A7DC600/5A7DCB07" Ref="U9" Part="1"
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F 0 "U9" H 7200 3550 39 0000 C CNN
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F 1 "Si7006-A20" V 6900 3700 39 0000 C CNN
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F 2 "lts:DFN6_SiLabs_3x3" H 7050 3800 39 0001 C CNN
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F 3 "" H 7050 3800 39 0001 C CNN
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F 4 "336-4155-1-ND" H 7050 3800 60 0001 C CNN "Digikey"
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F 5 "3.195" H 7050 3800 60 0001 C CNN "@100"
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F 6 "2.875" H 7050 3800 60 0001 C CNN "@1000"
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1 7050 3800
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1 0 0 -1
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$EndComp
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Wire Wire Line
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7350 3750 7500 3750
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Wire Wire Line
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7350 3900 7500 3900
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$Comp
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L GND #PWR030
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U 1 1 5A7DCB08
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P 7000 4300
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F 0 "#PWR030" H 7000 4050 50 0001 C CNN
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F 1 "GND" H 7000 4150 50 0000 C CNN
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F 2 "" H 7000 4300 50 0001 C CNN
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F 3 "" H 7000 4300 50 0001 C CNN
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1 7000 4300
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1 0 0 -1
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$EndComp
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$Comp
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L +3.3V #PWR031
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U 1 1 5A7DCB09
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P 7000 3350
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F 0 "#PWR031" H 7000 3200 50 0001 C CNN
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F 1 "+3.3V" H 7000 3490 50 0000 C CNN
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F 2 "" H 7000 3350 50 0001 C CNN
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F 3 "" H 7000 3350 50 0001 C CNN
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1 7000 3350
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1 0 0 -1
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$EndComp
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Wire Wire Line
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7000 3350 7000 3500
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$Comp
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L C C14
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U 1 1 5A7DCB0C
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P 6550 3800
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F 0 "C14" H 6575 3900 50 0000 L CNN
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F 1 "0.1uF" H 6575 3700 50 0000 L CNN
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F 2 "Capacitors_SMD:C_0603_HandSoldering" H 6588 3650 50 0001 C CNN
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F 3 "" H 6550 3800 50 0001 C CNN
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1 6550 3800
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1 0 0 -1
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$EndComp
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Text Notes 6400 3100 0 60 ~ 0
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Temperature and Humidity
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NoConn ~ 4800 3600
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NoConn ~ 4800 3700
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NoConn ~ 4800 4000
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$Comp
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L GND #PWR032
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U 1 1 5A7DCB10
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P 3700 3900
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F 0 "#PWR032" H 3700 3650 50 0001 C CNN
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F 1 "GND" H 3700 3750 50 0000 C CNN
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F 2 "" H 3700 3900 50 0001 C CNN
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F 3 "" H 3700 3900 50 0001 C CNN
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1 3700 3900
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0 1 1 0
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$EndComp
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Wire Notes Line
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5550 4600 5550 3050
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$Comp
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L MH-Z19 U7
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U 1 1 5A7DCB16
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P 4250 3800
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F 0 "U7" H 4650 4150 60 0000 C CNN
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F 1 "MH-Z19" H 4250 3550 60 0000 C CNN
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F 2 "lts:MH-Z19" H 4250 3850 60 0001 C CNN
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F 3 "" H 4250 3850 60 0001 C CNN
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F 4 "18.00" H 4250 3800 60 0001 C CNN "@100"
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F 5 "17.1" H 4250 3800 60 0001 C CNN "@1000"
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1 4250 3800
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1 0 0 -1
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$EndComp
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$Comp
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L C C12
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U 1 1 5A7DCB19
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P 3600 4150
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F 0 "C12" H 3625 4250 50 0000 L CNN
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F 1 "0.1uF" H 3625 4050 50 0000 L CNN
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F 2 "Capacitors_SMD:C_0603_HandSoldering" H 3638 4000 50 0001 C CNN
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F 3 "" H 3600 4150 50 0001 C CNN
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1 3600 4150
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1 0 0 -1
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$EndComp
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Connection ~ 3600 4000
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NoConn ~ 3700 3800
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Wire Notes Line
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6350 4550 6350 3000
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Text Notes 2600 3150 0 60 ~ 0
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CO2 Sensor (Infrared)
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Wire Wire Line
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3600 4350 3600 4300
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$Comp
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L GND #PWR033
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U 1 1 5A7DCB18
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P 3600 4350
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F 0 "#PWR033" H 3600 4100 50 0001 C CNN
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F 1 "GND" H 3600 4200 50 0000 C CNN
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F 2 "" H 3600 4350 50 0001 C CNN
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F 3 "" H 3600 4350 50 0001 C CNN
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1 3600 4350
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1 0 0 -1
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$EndComp
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Wire Notes Line
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2550 4600 2550 3050
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Wire Notes Line
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2550 4600 5550 4600
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Wire Notes Line
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2550 3050 5550 3050
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Wire Wire Line
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3200 4000 3700 4000
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$Comp
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L +5V #PWR034
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U 1 1 5A7DCB0E
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P 3200 4000
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F 0 "#PWR034" H 3200 3850 50 0001 C CNN
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F 1 "+5V" H 3200 4140 50 0000 C CNN
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F 2 "" H 3200 4000 50 0001 C CNN
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F 3 "" H 3200 4000 50 0001 C CNN
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1 3200 4000
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0 -1 -1 0
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$EndComp
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Text GLabel 3500 3700 0 45 Input ~ 0
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CO2_SENSOR
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Text GLabel 7500 3900 2 45 Input ~ 0
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SDA
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Text GLabel 7500 3750 2 45 Input ~ 0
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SCL
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Wire Wire Line
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7000 3450 6550 3450
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Wire Wire Line
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6550 3450 6550 3650
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Connection ~ 7000 3450
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Wire Wire Line
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7000 4200 7000 4300
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Wire Wire Line
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7000 4250 6550 4250
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Wire Wire Line
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6550 4250 6550 3950
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Connection ~ 7000 4250
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Wire Notes Line
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6350 4550 7850 4550
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Wire Notes Line
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7850 4550 7850 3000
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Wire Notes Line
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7850 3000 6350 3000
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Text Notes 7300 4550 0 45 ~ 0
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I2C Addr.: 0x40
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Text Notes 2650 3250 0 30 ~ 0
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CO2 (0-2000ppm; ±50ppm & 5%)
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Text Notes 6500 3150 0 30 ~ 0
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±1°C & 5% RH
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Wire Wire Line
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3500 3700 3700 3700
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NoConn ~ 4800 3900
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NoConn ~ 4800 3800
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$EndSCHEMATC
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