--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/kicad/co2meter.sch Mon May 31 16:52:10 2021 +0200
@@ -0,0 +1,874 @@
+EESchema Schematic File Version 4
+EELAYER 30 0
+EELAYER END
+$Descr A4 11693 8268
+encoding utf-8
+Sheet 1 1
+Title "Flesdruk meter"
+Date "2019-11-13"
+Rev "1,1"
+Comp "MBSE"
+Comment1 ""
+Comment2 ""
+Comment3 ""
+Comment4 ""
+$EndDescr
+$Comp
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+U 1 1 60B42872
+P 2700 1550
+F 0 "U1" H 2725 1715 50 0000 C CNN
+F 1 "DOIT-ESP32-DEVKIT-V1" H 2725 1624 50 0000 C CNN
+F 2 "" H 2750 -400 50 0001 C CNN
+F 3 "" H 2750 -400 50 0001 C CNN
+ 1 2700 1550
+ 1 0 0 -1
+$EndComp
+Wire Wire Line
+ 1800 3250 1600 3250
+Wire Wire Line
+ 1500 2950 1800 2950
+NoConn ~ 1800 3350
+NoConn ~ 1800 3150
+NoConn ~ 1800 3050
+NoConn ~ 1800 2850
+NoConn ~ 1800 2750
+NoConn ~ 1800 2650
+NoConn ~ 1800 2550
+NoConn ~ 1800 2450
+NoConn ~ 1800 2350
+NoConn ~ 1800 2250
+NoConn ~ 1800 2150
+NoConn ~ 1800 2050
+NoConn ~ 1800 1950
+NoConn ~ 1800 1850
+NoConn ~ 1800 1750
+Wire Wire Line
+ 1400 1650 1800 1650
+NoConn ~ 3650 3350
+NoConn ~ 3650 3250
+NoConn ~ 3650 3150
+NoConn ~ 3650 2250
+NoConn ~ 3650 2150
+NoConn ~ 3650 1950
+NoConn ~ 3650 1850
+NoConn ~ 3650 2050
+$Comp
+L Connector:Screw_Terminal_01x05 J1
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+P 7600 2050
+F 0 "J1" H 7750 2050 50 0000 C CNN
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+F 2 "" H 7600 2050 50 0001 C CNN
+F 3 "~" H 7600 2050 50 0001 C CNN
+ 1 7600 2050
+ 1 0 0 1
+$EndComp
+$Comp
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+ 1 0 0 -1
+$EndComp
+$Comp
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+ 1 6450 1950
+ 0 1 1 0
+$EndComp
+$Comp
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+F 3 "~" H 6700 2700 50 0001 C CNN
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+$EndComp
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+ 1 5850 3450
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+$EndComp
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+$Comp
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+F 2 "" H 2250 4500 50 0001 C CNN
+F 3 "" H 2250 4500 50 0001 C CNN
+ 1 2250 4500
+ 1 0 0 -1
+$EndComp
+$Comp
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+U 1 1 60B6693B
+P 4250 1650
+F 0 "U2" H 4250 1892 50 0000 C CNN
+F 1 "DD0503MA" H 4250 1801 50 0000 C CNN
+F 2 "Converter_DCDC:Converter_DCDC_muRata_OKI-78SR_Vertical" H 4300 1400 50 0001 L CIN
+F 3 "https://power.murata.com/data/power/oki-78sr.pdf" H 4250 1650 50 0001 C CNN
+ 1 4250 1650
+ 1 0 0 -1
+$EndComp
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+Wire Wire Line
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+Wire Wire Line
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+$EndComp
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+ 1 0 0 -1
+$EndComp
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+$EndComp
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+$EndComp
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+Text Notes 4750 1650 0 50 ~ 0
+Noise free stable 3,3V
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+$EndComp
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+$EndComp
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+$EndComp
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+Wire Wire Line
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+DT
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+SW
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+SCL
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+SDA
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+$EndComp
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+Wire Notes Line
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+Wire Notes Line
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+Wire Notes Line
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+Text Notes 3500 5050 0 87 ~ 17
+Frontpanel
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+Mainboard
+$Comp
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+$EndComp
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+F 0 "U3" H 9520 1546 50 0000 R CNN
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+F 3 "http://datasheets.maximintegrated.com/en/ds/DS18B20.pdf" H 9600 1750 50 0001 C CNN
+ 1 9750 1500
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+$EndComp
+$Comp
+L Sensor_Pressure:40PC015G U4
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+F 0 "U4" H 9320 2346 50 0000 R CNN
+F 1 "12 MPa" H 9320 2255 50 0000 R CNN
+F 2 "" H 9850 2300 50 0001 C CNN
+F 3 "http://www.honeywellscportal.com//index.php?ci_id=138832" H 9850 2300 50 0001 C CNN
+ 1 9750 2300
+ -1 0 0 -1
+$EndComp
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