First commit of the schematic

2021-05-16 22:40:01 +02:00 · 2021-05-16 22:40:01 +02:00 · 34b6c23eea
commit 34b6c23eea
parent 8e563ed8ac
5 changed files with 1461 additions and 0 deletions
--- a/schematic/KiCad/ATMEGA328PU_lowPower_weather_station/ATMEGA328PU_lowPower_weather_station.kicad_pcb
+++ b/schematic/KiCad/ATMEGA328PU_lowPower_weather_station/ATMEGA328PU_lowPower_weather_station.kicad_pcb
@ -0,0 +1 @@
+(kicad_pcb (version 4) (host kicad "dummy file") )
--- a/schematic/KiCad/ATMEGA328PU_lowPower_weather_station/ATMEGA328PU_lowPower_weather_station.pro
+++ b/schematic/KiCad/ATMEGA328PU_lowPower_weather_station/ATMEGA328PU_lowPower_weather_station.pro
@ -0,0 +1,33 @@
+update=22/05/2015 07:44:53
+version=1
+last_client=kicad
+[general]
+version=1
+RootSch=
+BoardNm=
+[pcbnew]
+version=1
+LastNetListRead=
+UseCmpFile=1
+PadDrill=0.600000000000
+PadDrillOvalY=0.600000000000
+PadSizeH=1.500000000000
+PadSizeV=1.500000000000
+PcbTextSizeV=1.500000000000
+PcbTextSizeH=1.500000000000
+PcbTextThickness=0.300000000000
+ModuleTextSizeV=1.000000000000
+ModuleTextSizeH=1.000000000000
+ModuleTextSizeThickness=0.150000000000
+SolderMaskClearance=0.000000000000
+SolderMaskMinWidth=0.000000000000
+DrawSegmentWidth=0.200000000000
+BoardOutlineThickness=0.100000000000
+ModuleOutlineThickness=0.150000000000
+[cvpcb]
+version=1
+NetIExt=net
+[eeschema]
+version=1
+LibDir=
+[eeschema/libraries]
--- a/schematic/KiCad/ATMEGA328PU_lowPower_weather_station/ATMEGA328PU_lowPower_weather_station.sch
+++ b/schematic/KiCad/ATMEGA328PU_lowPower_weather_station/ATMEGA328PU_lowPower_weather_station.sch
@ -0,0 +1,713 @@
+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
+$Comp
+L Device:R_PHOTO R1
+U 1 1 609EA047
+P 4750 4550
+F 0 "R1" H 4820 4596 50  0000 L CNN
+F 1 "R_PHOTO" H 4820 4505 50  0000 L CNN
+F 2 "" V 4800 4300 50  0001 L CNN
+F 3 "~" H 4750 4500 50  0001 C CNN
+	1    4750 4550
+	1    0    0    -1  
+$EndComp
+$Comp
+L RF:NRF24L01_Breakout U4
+U 1 1 609EB0ED
+P 10000 3500
+F 0 "U4" H 10380 3546 50  0000 L CNN
+F 1 "NRF24L01_Breakout" H 10380 3455 50  0000 L CNN
+F 2 "RF_Module:nRF24L01_Breakout" H 10150 4100 50  0001 L CIN
+F 3 "http://www.nordicsemi.com/eng/content/download/2730/34105/file/nRF24L01_Product_Specification_v2_0.pdf" H 10000 3400 50  0001 C CNN
+	1    10000 3500
+	1    0    0    -1  
+$EndComp
+$Comp
+L Connector:Conn_01x02_Male J1
+U 1 1 609EE35B
+P 1250 1700
+F 0 "J1" H 1358 1881 50  0000 C CNN
+F 1 "Conn_01x02_Male" H 1358 1790 50  0000 C CNN
+F 2 "" H 1250 1700 50  0001 C CNN
+F 3 "~" H 1250 1700 50  0001 C CNN
+	1    1250 1700
+	1    0    0    -1  
+$EndComp
+$Comp
+L Regulator_Linear:RT9013-33 U2
+U 1 1 609F304F
+P 5050 1800
+F 0 "U2" H 5050 2115 50  0000 C CNN
+F 1 "RT9013-33" H 5050 2024 50  0000 C CNN
+F 2 "" H 5050 1800 50  0001 C CNN
+F 3 "" H 5050 1800 50  0001 C CNN
+	1    5050 1800
+	1    0    0    -1  
+$EndComp
+$Comp
+L Sensor:SHT21_HTU21 U5
+U 1 1 609F8923
+P 7600 3200
+F 0 "U5" V 7875 3200 50  0000 C CNN
+F 1 "SHT21_HTU21" V 7966 3200 50  0000 C CNN
+F 2 "Sensor:SHT21_HTU21" H 7600 3550 50  0001 C CNN
+F 3 "https://www.sensirion.com/fileadmin/user_upload/customers/sensirion/Dokumente/0_Datasheets/Humidity/Sensirion_Humidity_Sensors_SHT1x_Datasheet.pdf" H 7450 3450 50  0001 C CNN
+	1    7600 3200
+	0    1    1    0   
+$EndComp
+$Comp
+L MCU_Module:ATMEGA328PU_PROMINI U6
+U 1 1 60A018CC
+P 3050 4650
+F 0 "U6" H 3050 4650 50  0000 C CNN
+F 1 "ATMEGA328PU_PROMINI" H 2550 3700 50  0000 C CNN
+F 2 "" H 3100 5050 50  0001 C CNN
+F 3 "" H 3100 5050 50  0001 C CNN
+	1    3050 4650
+	1    0    0    -1  
+$EndComp
+$Comp
+L Transistor_FET:IRLML6402 Q1
+U 1 1 60A02D07
+P 7000 4650
+F 0 "Q1" H 7205 4604 50  0000 L CNN
+F 1 "IRLML6402" H 7205 4695 50  0000 L CNN
+F 2 "Package_TO_SOT_SMD:SOT-23" H 7200 4575 50  0001 L CIN
+F 3 "https://www.infineon.com/dgdl/irlml6402pbf.pdf?fileId=5546d462533600a401535668d5c2263c" H 7000 4650 50  0001 L CNN
+	1    7000 4650
+	-1   0    0    1   
+$EndComp
+$Comp
+L Device:R R3
+U 1 1 60A0546B
+P 6900 5800
+F 0 "R3" H 6970 5846 50  0000 L CNN
+F 1 "3.2k" H 6970 5755 50  0000 L CNN
+F 2 "" V 6830 5800 50  0001 C CNN
+F 3 "~" H 6900 5800 50  0001 C CNN
+	1    6900 5800
+	1    0    0    -1  
+$EndComp
+$Comp
+L Battery_Management:TC4056 U1
+U 1 1 60A0860F
+P 2400 1700
+F 0 "U1" H 2400 1925 50  0000 C CNN
+F 1 "TC4056" H 2400 1834 50  0000 C CNN
+F 2 "" H 2400 1900 50  0001 C CNN
+F 3 "" H 2400 1900 50  0001 C CNN
+	1    2400 1700
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	1450 1700 1750 1700
+Wire Wire Line
+	1450 1800 1750 1800
+$Comp
+L power:GND #PWR07
+U 1 1 60A0F4B8
+P 4400 2200
+F 0 "#PWR07" H 4400 1950 50  0001 C CNN
+F 1 "GND" H 4405 2027 50  0000 C CNN
+F 2 "" H 4400 2200 50  0001 C CNN
+F 3 "" H 4400 2200 50  0001 C CNN
+	1    4400 2200
+	1    0    0    -1  
+$EndComp
+$Comp
+L Device:Solar_Cells SC1
+U 1 1 60A10B6B
+P 2400 2500
+F 0 "SC1" V 2645 2500 50  0000 C CNN
+F 1 "Solar_Cells" V 2554 2500 50  0000 C CNN
+F 2 "" V 2400 2560 50  0001 C CNN
+F 3 "~" V 2400 2560 50  0001 C CNN
+	1    2400 2500
+	0    -1   -1   0   
+$EndComp
+Wire Wire Line
+	1750 1900 1750 2500
+Wire Wire Line
+	1750 2500 2200 2500
+Wire Wire Line
+	3050 1900 3050 2500
+Wire Wire Line
+	3050 2500 2600 2500
+$Comp
+L power:VDD #PWR02
+U 1 1 60A17B73
+P 4300 1700
+F 0 "#PWR02" H 4300 1550 50  0001 C CNN
+F 1 "VDD" H 4315 1873 50  0000 C CNN
+F 2 "" H 4300 1700 50  0001 C CNN
+F 3 "" H 4300 1700 50  0001 C CNN
+	1    4300 1700
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	3850 1700 4300 1700
+Wire Wire Line
+	3200 3750 3250 3750
+$Comp
+L power:GND #PWR010
+U 1 1 60A1B2D1
+P 3500 3700
+F 0 "#PWR010" H 3500 3450 50  0001 C CNN
+F 1 "GND" H 3505 3527 50  0000 C CNN
+F 2 "" H 3500 3700 50  0001 C CNN
+F 3 "" H 3500 3700 50  0001 C CNN
+	1    3500 3700
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	3250 3750 3250 3700
+Wire Wire Line
+	3250 3700 3500 3700
+Connection ~ 3250 3750
+Wire Wire Line
+	3250 3750 3300 3750
+$Comp
+L power:GND #PWR015
+U 1 1 60A1C512
+P 3100 5700
+F 0 "#PWR015" H 3100 5450 50  0001 C CNN
+F 1 "GND" H 3105 5527 50  0000 C CNN
+F 2 "" H 3100 5700 50  0001 C CNN
+F 3 "" H 3100 5700 50  0001 C CNN
+	1    3100 5700
+	1    0    0    -1  
+$EndComp
+$Comp
+L power:VDD #PWR011
+U 1 1 60A1D833
+P 3750 4100
+F 0 "#PWR011" H 3750 3950 50  0001 C CNN
+F 1 "VDD" H 3765 4273 50  0000 C CNN
+F 2 "" H 3750 4100 50  0001 C CNN
+F 3 "" H 3750 4100 50  0001 C CNN
+	1    3750 4100
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	3500 4100 3750 4100
+$Comp
+L power:GND #PWR013
+U 1 1 60A20159
+P 2050 4400
+F 0 "#PWR013" H 2050 4150 50  0001 C CNN
+F 1 "GND" H 2055 4227 50  0000 C CNN
+F 2 "" H 2050 4400 50  0001 C CNN
+F 3 "" H 2050 4400 50  0001 C CNN
+	1    2050 4400
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	5050 2050 4400 2050
+Wire Wire Line
+	4400 2050 4400 2200
+Wire Wire Line
+	3300 2050 3300 1800
+Wire Wire Line
+	3300 1800 3050 1800
+Connection ~ 4400 2050
+Text GLabel 4150 1850 0    50   Input ~ 0
+LDO_EN
+Wire Wire Line
+	4700 1850 4500 1850
+Wire Wire Line
+	4700 1750 4300 1750
+Wire Wire Line
+	4300 1750 4300 1700
+Connection ~ 4300 1700
+$Comp
+L power:+3.3V #PWR03
+U 1 1 60A32F4B
+P 5650 1700
+F 0 "#PWR03" H 5650 1550 50  0001 C CNN
+F 1 "+3.3V" H 5665 1873 50  0000 C CNN
+F 2 "" H 5650 1700 50  0001 C CNN
+F 3 "" H 5650 1700 50  0001 C CNN
+	1    5650 1700
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	5400 1750 5650 1750
+Wire Wire Line
+	5650 1750 5650 1700
+$Comp
+L Sensor_Pressure:BMP280_BRKOUT U3
+U 1 1 60A3F58B
+P 7750 1600
+F 0 "U3" H 7750 1967 50  0000 C CNN
+F 1 "BMP280_BRKOUT" H 7750 1876 50  0000 C CNN
+F 2 "Package_LGA:Bosch_LGA-8_2x2.5mm_P0.65mm_ClockwisePinNumbering" H 7750 1250 50  0001 C CNN
+F 3 "https://ae-bst.resource.bosch.com/media/_tech/media/datasheets/BST-BMP280-DS001.pdf" H 7800 1500 50  0001 C CNN
+	1    7750 1600
+	1    0    0    -1  
+$EndComp
+$Comp
+L power:+3.3V #PWR04
+U 1 1 60A40545
+P 7250 1500
+F 0 "#PWR04" H 7250 1350 50  0001 C CNN
+F 1 "+3.3V" H 7265 1673 50  0000 C CNN
+F 2 "" H 7250 1500 50  0001 C CNN
+F 3 "" H 7250 1500 50  0001 C CNN
+	1    7250 1500
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	7400 1500 7250 1500
+$Comp
+L power:GND #PWR01
+U 1 1 60A41D50
+P 8350 1300
+F 0 "#PWR01" H 8350 1050 50  0001 C CNN
+F 1 "GND" H 8355 1127 50  0000 C CNN
+F 2 "" H 8350 1300 50  0001 C CNN
+F 3 "" H 8350 1300 50  0001 C CNN
+	1    8350 1300
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	8100 1500 8250 1500
+NoConn ~ 7400 1600
+NoConn ~ 8100 1700
+$Comp
+L power:+3.3V #PWR08
+U 1 1 60A450F1
+P 8050 3300
+F 0 "#PWR08" H 8050 3150 50  0001 C CNN
+F 1 "+3.3V" H 8065 3473 50  0000 C CNN
+F 2 "" H 8050 3300 50  0001 C CNN
+F 3 "" H 8050 3300 50  0001 C CNN
+	1    8050 3300
+	1    0    0    -1  
+$EndComp
+$Comp
+L power:GND #PWR09
+U 1 1 60A46906
+P 7150 3300
+F 0 "#PWR09" H 7150 3050 50  0001 C CNN
+F 1 "GND" H 7155 3127 50  0000 C CNN
+F 2 "" H 7150 3300 50  0001 C CNN
+F 3 "" H 7150 3300 50  0001 C CNN
+	1    7150 3300
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	7900 3300 8050 3300
+Wire Wire Line
+	3100 5700 3100 5600
+Wire Wire Line
+	2050 4400 2600 4400
+Text GLabel 2500 4500 0    50   Input ~ 0
+SCL
+Wire Wire Line
+	2500 4500 2600 4500
+Text GLabel 3600 4500 2    50   Input ~ 0
+SDA
+Wire Wire Line
+	3600 4500 3500 4500
+Text GLabel 7250 1700 0    50   Input ~ 0
+SDA
+Wire Wire Line
+	7400 1700 7250 1700
+Text GLabel 8250 1600 2    50   Input ~ 0
+SCL
+Wire Wire Line
+	8250 1600 8100 1600
+Text GLabel 7500 2800 1    50   Input ~ 0
+SCL
+Wire Wire Line
+	7500 2800 7500 2900
+Text GLabel 7700 2800 1    50   Input ~ 0
+SDA
+Wire Wire Line
+	7700 2800 7700 2900
+Text GLabel 2500 4600 0    50   Input ~ 0
+LDO_EN
+Wire Wire Line
+	2500 4600 2600 4600
+NoConn ~ 9500 3800
+Text GLabel 9300 3700 0    50   Input ~ 0
+NRF_CE
+Wire Wire Line
+	9300 3700 9500 3700
+Text GLabel 2500 4700 0    50   Input ~ 0
+NRF_CE
+Wire Wire Line
+	2500 4700 2600 4700
+NoConn ~ 2600 4200
+NoConn ~ 2600 4100
+NoConn ~ 2600 4300
+NoConn ~ 2900 3750
+NoConn ~ 3000 3750
+NoConn ~ 2800 3750
+NoConn ~ 3100 3750
+Text GLabel 9300 3500 0    50   Input ~ 0
+NRF_CS
+Wire Wire Line
+	9300 3500 9500 3500
+Text GLabel 3600 5300 2    50   Input ~ 0
+NRF_CS
+Wire Wire Line
+	3500 5300 3600 5300
+Text GLabel 3600 5200 2    50   Input ~ 0
+NRF_MOSI
+Text GLabel 3600 5100 2    50   Input ~ 0
+NRF_MISO
+Text GLabel 3600 5000 2    50   Input ~ 0
+NRF_SCK
+Wire Wire Line
+	3600 5000 3500 5000
+Wire Wire Line
+	3500 5100 3600 5100
+Wire Wire Line
+	3500 5200 3600 5200
+Text GLabel 9300 3200 0    50   Input ~ 0
+NRF_MOSI
+Wire Wire Line
+	9300 3200 9500 3200
+Text GLabel 9300 3300 0    50   Input ~ 0
+NRF_MISO
+Wire Wire Line
+	9300 3300 9500 3300
+Text GLabel 9300 3400 0    50   Input ~ 0
+NRF_SCK
+Wire Wire Line
+	9300 3400 9500 3400
+$Comp
+L power:+3.3V #PWR05
+U 1 1 60A63CC4
+P 10000 2800
+F 0 "#PWR05" H 10000 2650 50  0001 C CNN
+F 1 "+3.3V" H 10015 2973 50  0000 C CNN
+F 2 "" H 10000 2800 50  0001 C CNN
+F 3 "" H 10000 2800 50  0001 C CNN
+	1    10000 2800
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	10000 2800 10000 2850
+$Comp
+L Device:CP C1
+U 1 1 60A6601F
+P 10250 2850
+F 0 "C1" V 10505 2850 50  0000 C CNN
+F 1 "33µF" V 10414 2850 50  0000 C CNN
+F 2 "" H 10288 2700 50  0001 C CNN
+F 3 "~" H 10250 2850 50  0001 C CNN
+	1    10250 2850
+	0    -1   -1   0   
+$EndComp
+Wire Wire Line
+	10100 2850 10000 2850
+Connection ~ 10000 2850
+Wire Wire Line
+	10000 2850 10000 2900
+Wire Wire Line
+	8250 1500 8250 1300
+Wire Wire Line
+	8250 1300 8350 1300
+$Comp
+L power:GND #PWR06
+U 1 1 60A6C3CE
+P 10500 2900
+F 0 "#PWR06" H 10500 2650 50  0001 C CNN
+F 1 "GND" H 10505 2727 50  0000 C CNN
+F 2 "" H 10500 2900 50  0001 C CNN
+F 3 "" H 10500 2900 50  0001 C CNN
+	1    10500 2900
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	10400 2850 10500 2850
+Wire Wire Line
+	10500 2850 10500 2900
+$Comp
+L Device:R R2
+U 1 1 60A6D920
+P 4750 5100
+F 0 "R2" H 4820 5146 50  0000 L CNN
+F 1 "10k" H 4820 5055 50  0000 L CNN
+F 2 "" V 4680 5100 50  0001 C CNN
+F 3 "~" H 4750 5100 50  0001 C CNN
+	1    4750 5100
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	4750 4400 3500 4400
+Wire Wire Line
+	3500 4800 4750 4800
+Wire Wire Line
+	4750 4800 4750 4700
+Wire Wire Line
+	4750 4950 4750 4800
+Connection ~ 4750 4800
+Text GLabel 4700 5400 0    50   Input ~ 0
+~LDR_V_SENS_EN
+Wire Wire Line
+	4750 5250 4750 5400
+Wire Wire Line
+	4750 5400 4700 5400
+Text GLabel 7000 5500 2    50   Input ~ 0
+BAT_V_SENS
+Wire Wire Line
+	7000 5500 6900 5500
+Wire Wire Line
+	6900 5500 6900 5650
+$Comp
+L power:VDD #PWR012
+U 1 1 60AA67BF
+P 6900 4300
+F 0 "#PWR012" H 6900 4150 50  0001 C CNN
+F 1 "VDD" H 6915 4473 50  0000 C CNN
+F 2 "" H 6900 4300 50  0001 C CNN
+F 3 "" H 6900 4300 50  0001 C CNN
+	1    6900 4300
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	6900 4300 6900 4350
+Text GLabel 3600 4900 2    50   Input ~ 0
+BAT_V_SENS
+Wire Wire Line
+	3600 4900 3500 4900
+$Comp
+L power:GND #PWR014
+U 1 1 60AAA036
+P 6900 6100
+F 0 "#PWR014" H 6900 5850 50  0001 C CNN
+F 1 "GND" H 6905 5927 50  0000 C CNN
+F 2 "" H 6900 6100 50  0001 C CNN
+F 3 "" H 6900 6100 50  0001 C CNN
+	1    6900 6100
+	1    0    0    -1  
+$EndComp
+Text GLabel 2150 4800 0    50   Input ~ 0
+~LDR_V_SENS_EN
+Text GLabel 2150 4950 0    50   Input ~ 0
+~BAT_V_SENS_EN
+Wire Wire Line
+	2150 4800 2600 4800
+Wire Wire Line
+	2150 4950 2450 4950
+Wire Wire Line
+	2450 4950 2450 4900
+Wire Wire Line
+	2450 4900 2600 4900
+NoConn ~ 3500 4700
+NoConn ~ 3500 4600
+NoConn ~ 3500 4300
+NoConn ~ 3500 4200
+NoConn ~ 2600 5000
+NoConn ~ 2600 5100
+NoConn ~ 2600 5200
+NoConn ~ 2600 5300
+NoConn ~ 3300 5600
+NoConn ~ 3200 5600
+$Comp
+L Device:R R4
+U 1 1 60AD2DCC
+P 6900 5150
+F 0 "R4" H 6970 5196 50  0000 L CNN
+F 1 "1k" H 6970 5105 50  0000 L CNN
+F 2 "" V 6830 5150 50  0001 C CNN
+F 3 "~" H 6900 5150 50  0001 C CNN
+	1    6900 5150
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	6900 5000 6900 4850
+Wire Wire Line
+	6900 5300 6900 5500
+Connection ~ 6900 5500
+Wire Wire Line
+	7150 3300 7300 3300
+$Comp
+L power:GND #PWR0101
+U 1 1 60AE68A8
+P 10000 4200
+F 0 "#PWR0101" H 10000 3950 50  0001 C CNN
+F 1 "GND" H 10005 4027 50  0000 C CNN
+F 2 "" H 10000 4200 50  0001 C CNN
+F 3 "" H 10000 4200 50  0001 C CNN
+	1    10000 4200
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	10000 4100 10000 4200
+$Comp
+L Transistor_FET:IRLML2060 Q2
+U 1 1 60AEC93E
+P 8300 4850
+F 0 "Q2" H 8504 4896 50  0000 L CNN
+F 1 "IRLML2502" H 8504 4805 50  0000 L CNN
+F 2 "Package_TO_SOT_SMD:SOT-23" H 8500 4775 50  0001 L CIN
+F 3 "https://www.infineon.com/dgdl/Infineon-IRLML2502-DataSheet-v01_01-EN.pdf?fileId=5546d462533600a401535668048e2606" H 8300 4850 50  0001 L CNN
+	1    8300 4850
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	8400 6050 8400 5150
+Wire Wire Line
+	7200 4650 7250 4650
+$Comp
+L Device:R R5
+U 1 1 60B18608
+P 7250 4500
+F 0 "R5" H 7320 4546 50  0000 L CNN
+F 1 "10k" H 7320 4455 50  0000 L CNN
+F 2 "" V 7180 4500 50  0001 C CNN
+F 3 "~" H 7250 4500 50  0001 C CNN
+	1    7250 4500
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	7250 4350 6900 4350
+Connection ~ 6900 4350
+Wire Wire Line
+	6900 4350 6900 4450
+$Comp
+L Device:R R6
+U 1 1 60B1A9FB
+P 7900 5000
+F 0 "R6" H 7970 5046 50  0000 L CNN
+F 1 "10k" H 7970 4955 50  0000 L CNN
+F 2 "" V 7830 5000 50  0001 C CNN
+F 3 "~" H 7900 5000 50  0001 C CNN
+	1    7900 5000
+	1    0    0    -1  
+$EndComp
+Connection ~ 8400 5150
+Wire Wire Line
+	8400 5150 8400 5050
+Wire Wire Line
+	7900 5150 8400 5150
+Wire Wire Line
+	7900 4850 8100 4850
+Text GLabel 7700 4850 0    50   Input ~ 0
+~BAT_V_SENS_EN
+Wire Wire Line
+	6900 5950 6900 6050
+Wire Wire Line
+	7700 4850 7900 4850
+Connection ~ 7900 4850
+Wire Wire Line
+	7250 4650 8400 4650
+Connection ~ 7250 4650
+Wire Wire Line
+	6900 6050 8400 6050
+Connection ~ 6900 6050
+Wire Wire Line
+	6900 6050 6900 6100
+$Comp
+L Switch:SW_SPDT SW1
+U 1 1 60B30CD3
+P 3400 1700
+F 0 "SW1" H 3400 1985 50  0000 C CNN
+F 1 "SW_SPDT" H 3400 1894 50  0000 C CNN
+F 2 "" H 3400 1700 50  0001 C CNN
+F 3 "~" H 3400 1700 50  0001 C CNN
+	1    3400 1700
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	3300 2050 4400 2050
+Wire Wire Line
+	3050 1700 3200 1700
+Wire Wire Line
+	3850 1600 3850 1700
+Wire Wire Line
+	3600 1600 3850 1600
+NoConn ~ 3600 1800
+$Comp
+L Device:R R7
+U 1 1 60B4D3B3
+P 4350 1850
+F 0 "R7" V 4350 1800 50  0000 C CNN
+F 1 "10k" V 4450 1850 50  0000 C CNN
+F 2 "" V 4280 1850 50  0001 C CNN
+F 3 "~" H 4350 1850 50  0001 C CNN
+	1    4350 1850
+	0    1    1    0   
+$EndComp
+Wire Wire Line
+	4150 1850 4200 1850
+$Comp
+L Device:R R_I2C_Pup1
+U 1 1 60A10297
+P 6950 2900
+F 0 "R_I2C_Pup1" H 7020 2946 50  0000 L CNN
+F 1 "10k" H 7020 2855 50  0000 L CNN
+F 2 "" V 6880 2900 50  0001 C CNN
+F 3 "~" H 6950 2900 50  0001 C CNN
+	1    6950 2900
+	-1   0    0    1   
+$EndComp
+$Comp
+L Device:R R_I2C_Pup2
+U 1 1 60A151D2
+P 8250 2900
+F 0 "R_I2C_Pup2" H 8300 2850 50  0000 L CNN
+F 1 "10k" H 8300 2750 50  0000 L CNN
+F 2 "" V 8180 2900 50  0001 C CNN
+F 3 "~" H 8250 2900 50  0001 C CNN
+	1    8250 2900
+	-1   0    0    1   
+$EndComp
+Wire Wire Line
+	7700 2900 8000 2900
+Wire Wire Line
+	8000 2900 8000 3050
+Wire Wire Line
+	8000 3050 8250 3050
+Connection ~ 7700 2900
+Wire Wire Line
+	7500 2900 7200 2900
+Wire Wire Line
+	7200 2900 7200 3050
+Wire Wire Line
+	7200 3050 6950 3050
+Connection ~ 7500 2900
+$Comp
+L power:+3.3V #PWR016
+U 1 1 60A1AAC4
+P 6950 2650
+F 0 "#PWR016" H 6950 2500 50  0001 C CNN
+F 1 "+3.3V" H 6965 2823 50  0000 C CNN
+F 2 "" H 6950 2650 50  0001 C CNN
+F 3 "" H 6950 2650 50  0001 C CNN
+	1    6950 2650
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	6950 2650 6950 2750
+$Comp
+L power:+3.3V #PWR017
+U 1 1 60A1DD71
+P 8250 2650
+F 0 "#PWR017" H 8250 2500 50  0001 C CNN
+F 1 "+3.3V" H 8265 2823 50  0000 C CNN
+F 2 "" H 8250 2650 50  0001 C CNN
+F 3 "" H 8250 2650 50  0001 C CNN
+	1    8250 2650
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	8250 2650 8250 2750
+$EndSCHEMATC
--- a/schematic/KiCad/ATMEGA328PU_lowPower_weather_station/ATMEGA328PU_lowPower_weather_station.sch-bak
+++ b/schematic/KiCad/ATMEGA328PU_lowPower_weather_station/ATMEGA328PU_lowPower_weather_station.sch-bak
@ -0,0 +1,713 @@
+EESchema Schematic File Version 4
+EELAYER 30 0
+EELAYER END
+$Descr A4 11693 8268
+encoding utf-8
+Sheet 1 1
+Title ""
+Date ""
+Rev ""
+Comp ""
+Comment1 ""
+Comment2 ""
+Comment3 ""
+Comment4 ""
+$EndDescr
+$Comp
+L Device:R_PHOTO R1
+U 1 1 609EA047
+P 4750 4550
+F 0 "R1" H 4820 4596 50  0000 L CNN
+F 1 "R_PHOTO" H 4820 4505 50  0000 L CNN
+F 2 "" V 4800 4300 50  0001 L CNN
+F 3 "~" H 4750 4500 50  0001 C CNN
+	1    4750 4550
+	1    0    0    -1  
+$EndComp
+$Comp
+L RF:NRF24L01_Breakout U4
+U 1 1 609EB0ED
+P 10000 3500
+F 0 "U4" H 10380 3546 50  0000 L CNN
+F 1 "NRF24L01_Breakout" H 10380 3455 50  0000 L CNN
+F 2 "RF_Module:nRF24L01_Breakout" H 10150 4100 50  0001 L CIN
+F 3 "http://www.nordicsemi.com/eng/content/download/2730/34105/file/nRF24L01_Product_Specification_v2_0.pdf" H 10000 3400 50  0001 C CNN
+	1    10000 3500
+	1    0    0    -1  
+$EndComp
+$Comp
+L Connector:Conn_01x02_Male J1
+U 1 1 609EE35B
+P 1250 1700
+F 0 "J1" H 1358 1881 50  0000 C CNN
+F 1 "Conn_01x02_Male" H 1358 1790 50  0000 C CNN
+F 2 "" H 1250 1700 50  0001 C CNN
+F 3 "~" H 1250 1700 50  0001 C CNN
+	1    1250 1700
+	1    0    0    -1  
+$EndComp
+$Comp
+L Regulator_Linear:RT9013-33 U2
+U 1 1 609F304F
+P 5050 1800
+F 0 "U2" H 5050 2115 50  0000 C CNN
+F 1 "RT9013-33" H 5050 2024 50  0000 C CNN
+F 2 "" H 5050 1800 50  0001 C CNN
+F 3 "" H 5050 1800 50  0001 C CNN
+	1    5050 1800
+	1    0    0    -1  
+$EndComp
+$Comp
+L Sensor:SHT21_HTU21 U5
+U 1 1 609F8923
+P 7600 3200
+F 0 "U5" V 7875 3200 50  0000 C CNN
+F 1 "SHT21_HTU21" V 7966 3200 50  0000 C CNN
+F 2 "Sensor:SHT21_HTU21" H 7600 3550 50  0001 C CNN
+F 3 "https://www.sensirion.com/fileadmin/user_upload/customers/sensirion/Dokumente/0_Datasheets/Humidity/Sensirion_Humidity_Sensors_SHT1x_Datasheet.pdf" H 7450 3450 50  0001 C CNN
+	1    7600 3200
+	0    1    1    0   
+$EndComp
+$Comp
+L MCU_Module:ATMEGA328PU_PROMINI U6
+U 1 1 60A018CC
+P 3050 4650
+F 0 "U6" H 3050 4650 50  0000 C CNN
+F 1 "ATMEGA328PU_PROMINI" H 2550 3700 50  0000 C CNN
+F 2 "" H 3100 5050 50  0001 C CNN
+F 3 "" H 3100 5050 50  0001 C CNN
+	1    3050 4650
+	1    0    0    -1  
+$EndComp
+$Comp
+L Transistor_FET:IRLML6402 Q1
+U 1 1 60A02D07
+P 7000 4650
+F 0 "Q1" H 7205 4604 50  0000 L CNN
+F 1 "IRLML6402" H 7205 4695 50  0000 L CNN
+F 2 "Package_TO_SOT_SMD:SOT-23" H 7200 4575 50  0001 L CIN
+F 3 "https://www.infineon.com/dgdl/irlml6402pbf.pdf?fileId=5546d462533600a401535668d5c2263c" H 7000 4650 50  0001 L CNN
+	1    7000 4650
+	-1   0    0    1   
+$EndComp
+$Comp
+L Device:R R3
+U 1 1 60A0546B
+P 6900 5800
+F 0 "R3" H 6970 5846 50  0000 L CNN
+F 1 "3.2k" H 6970 5755 50  0000 L CNN
+F 2 "" V 6830 5800 50  0001 C CNN
+F 3 "~" H 6900 5800 50  0001 C CNN
+	1    6900 5800
+	1    0    0    -1  
+$EndComp
+$Comp
+L Battery_Management:TC4056 U1
+U 1 1 60A0860F
+P 2400 1700
+F 0 "U1" H 2400 1925 50  0000 C CNN
+F 1 "TC4056" H 2400 1834 50  0000 C CNN
+F 2 "" H 2400 1900 50  0001 C CNN
+F 3 "" H 2400 1900 50  0001 C CNN
+	1    2400 1700
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	1450 1700 1750 1700
+Wire Wire Line
+	1450 1800 1750 1800
+$Comp
+L power:GND #PWR07
+U 1 1 60A0F4B8
+P 4400 2200
+F 0 "#PWR07" H 4400 1950 50  0001 C CNN
+F 1 "GND" H 4405 2027 50  0000 C CNN
+F 2 "" H 4400 2200 50  0001 C CNN
+F 3 "" H 4400 2200 50  0001 C CNN
+	1    4400 2200
+	1    0    0    -1  
+$EndComp
+$Comp
+L Device:Solar_Cells SC1
+U 1 1 60A10B6B
+P 2400 2500
+F 0 "SC1" V 2645 2500 50  0000 C CNN
+F 1 "Solar_Cells" V 2554 2500 50  0000 C CNN
+F 2 "" V 2400 2560 50  0001 C CNN
+F 3 "~" V 2400 2560 50  0001 C CNN
+	1    2400 2500
+	0    -1   -1   0   
+$EndComp
+Wire Wire Line
+	1750 1900 1750 2500
+Wire Wire Line
+	1750 2500 2200 2500
+Wire Wire Line
+	3050 1900 3050 2500
+Wire Wire Line
+	3050 2500 2600 2500
+$Comp
+L power:VDD #PWR02
+U 1 1 60A17B73
+P 4300 1700
+F 0 "#PWR02" H 4300 1550 50  0001 C CNN
+F 1 "VDD" H 4315 1873 50  0000 C CNN
+F 2 "" H 4300 1700 50  0001 C CNN
+F 3 "" H 4300 1700 50  0001 C CNN
+	1    4300 1700
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	3850 1700 4300 1700
+Wire Wire Line
+	3200 3750 3250 3750
+$Comp
+L power:GND #PWR010
+U 1 1 60A1B2D1
+P 3500 3700
+F 0 "#PWR010" H 3500 3450 50  0001 C CNN
+F 1 "GND" H 3505 3527 50  0000 C CNN
+F 2 "" H 3500 3700 50  0001 C CNN
+F 3 "" H 3500 3700 50  0001 C CNN
+	1    3500 3700
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	3250 3750 3250 3700
+Wire Wire Line
+	3250 3700 3500 3700
+Connection ~ 3250 3750
+Wire Wire Line
+	3250 3750 3300 3750
+$Comp
+L power:GND #PWR015
+U 1 1 60A1C512
+P 3100 5700
+F 0 "#PWR015" H 3100 5450 50  0001 C CNN
+F 1 "GND" H 3105 5527 50  0000 C CNN
+F 2 "" H 3100 5700 50  0001 C CNN
+F 3 "" H 3100 5700 50  0001 C CNN
+	1    3100 5700
+	1    0    0    -1  
+$EndComp
+$Comp
+L power:VDD #PWR011
+U 1 1 60A1D833
+P 3750 4100
+F 0 "#PWR011" H 3750 3950 50  0001 C CNN
+F 1 "VDD" H 3765 4273 50  0000 C CNN
+F 2 "" H 3750 4100 50  0001 C CNN
+F 3 "" H 3750 4100 50  0001 C CNN
+	1    3750 4100
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	3500 4100 3750 4100
+$Comp
+L power:GND #PWR013
+U 1 1 60A20159
+P 2050 4400
+F 0 "#PWR013" H 2050 4150 50  0001 C CNN
+F 1 "GND" H 2055 4227 50  0000 C CNN
+F 2 "" H 2050 4400 50  0001 C CNN
+F 3 "" H 2050 4400 50  0001 C CNN
+	1    2050 4400
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	5050 2050 4400 2050
+Wire Wire Line
+	4400 2050 4400 2200
+Wire Wire Line
+	3300 2050 3300 1800
+Wire Wire Line
+	3300 1800 3050 1800
+Connection ~ 4400 2050
+Text GLabel 4150 1850 0    50   Input ~ 0
+LDO_EN
+Wire Wire Line
+	4700 1850 4500 1850
+Wire Wire Line
+	4700 1750 4300 1750
+Wire Wire Line
+	4300 1750 4300 1700
+Connection ~ 4300 1700
+$Comp
+L power:+3.3V #PWR03
+U 1 1 60A32F4B
+P 5650 1700
+F 0 "#PWR03" H 5650 1550 50  0001 C CNN
+F 1 "+3.3V" H 5665 1873 50  0000 C CNN
+F 2 "" H 5650 1700 50  0001 C CNN
+F 3 "" H 5650 1700 50  0001 C CNN
+	1    5650 1700
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	5400 1750 5650 1750
+Wire Wire Line
+	5650 1750 5650 1700
+$Comp
+L Sensor_Pressure:BMP280_BRKOUT U3
+U 1 1 60A3F58B
+P 7750 1600
+F 0 "U3" H 7750 1967 50  0000 C CNN
+F 1 "BMP280_BRKOUT" H 7750 1876 50  0000 C CNN
+F 2 "Package_LGA:Bosch_LGA-8_2x2.5mm_P0.65mm_ClockwisePinNumbering" H 7750 1250 50  0001 C CNN
+F 3 "https://ae-bst.resource.bosch.com/media/_tech/media/datasheets/BST-BMP280-DS001.pdf" H 7800 1500 50  0001 C CNN
+	1    7750 1600
+	1    0    0    -1  
+$EndComp
+$Comp
+L power:+3.3V #PWR04
+U 1 1 60A40545
+P 7250 1500
+F 0 "#PWR04" H 7250 1350 50  0001 C CNN
+F 1 "+3.3V" H 7265 1673 50  0000 C CNN
+F 2 "" H 7250 1500 50  0001 C CNN
+F 3 "" H 7250 1500 50  0001 C CNN
+	1    7250 1500
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	7400 1500 7250 1500
+$Comp
+L power:GND #PWR01
+U 1 1 60A41D50
+P 8350 1300
+F 0 "#PWR01" H 8350 1050 50  0001 C CNN
+F 1 "GND" H 8355 1127 50  0000 C CNN
+F 2 "" H 8350 1300 50  0001 C CNN
+F 3 "" H 8350 1300 50  0001 C CNN
+	1    8350 1300
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	8100 1500 8250 1500
+NoConn ~ 7400 1600
+NoConn ~ 8100 1700
+$Comp
+L power:+3.3V #PWR08
+U 1 1 60A450F1
+P 8050 3300
+F 0 "#PWR08" H 8050 3150 50  0001 C CNN
+F 1 "+3.3V" H 8065 3473 50  0000 C CNN
+F 2 "" H 8050 3300 50  0001 C CNN
+F 3 "" H 8050 3300 50  0001 C CNN
+	1    8050 3300
+	1    0    0    -1  
+$EndComp
+$Comp
+L power:GND #PWR09
+U 1 1 60A46906
+P 7150 3300
+F 0 "#PWR09" H 7150 3050 50  0001 C CNN
+F 1 "GND" H 7155 3127 50  0000 C CNN
+F 2 "" H 7150 3300 50  0001 C CNN
+F 3 "" H 7150 3300 50  0001 C CNN
+	1    7150 3300
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	7900 3300 8050 3300
+Wire Wire Line
+	3100 5700 3100 5600
+Wire Wire Line
+	2050 4400 2600 4400
+Text GLabel 2500 4500 0    50   Input ~ 0
+SCL
+Wire Wire Line
+	2500 4500 2600 4500
+Text GLabel 3600 4500 2    50   Input ~ 0
+SDA
+Wire Wire Line
+	3600 4500 3500 4500
+Text GLabel 7250 1700 0    50   Input ~ 0
+SDA
+Wire Wire Line
+	7400 1700 7250 1700
+Text GLabel 8250 1600 2    50   Input ~ 0
+SCL
+Wire Wire Line
+	8250 1600 8100 1600
+Text GLabel 7500 2800 1    50   Input ~ 0
+SCL
+Wire Wire Line
+	7500 2800 7500 2900
+Text GLabel 7700 2800 1    50   Input ~ 0
+SDA
+Wire Wire Line
+	7700 2800 7700 2900
+Text GLabel 2500 4600 0    50   Input ~ 0
+LDO_EN
+Wire Wire Line
+	2500 4600 2600 4600
+NoConn ~ 9500 3800
+Text GLabel 9300 3700 0    50   Input ~ 0
+NRF_CE
+Wire Wire Line
+	9300 3700 9500 3700
+Text GLabel 2500 4700 0    50   Input ~ 0
+NRF_CE
+Wire Wire Line
+	2500 4700 2600 4700
+NoConn ~ 2600 4200
+NoConn ~ 2600 4100
+NoConn ~ 2600 4300
+NoConn ~ 2900 3750
+NoConn ~ 3000 3750
+NoConn ~ 2800 3750
+NoConn ~ 3100 3750
+Text GLabel 9300 3500 0    50   Input ~ 0
+NRF_CS
+Wire Wire Line
+	9300 3500 9500 3500
+Text GLabel 3600 5300 2    50   Input ~ 0
+NRF_CS
+Wire Wire Line
+	3500 5300 3600 5300
+Text GLabel 3600 5200 2    50   Input ~ 0
+NRF_MOSI
+Text GLabel 3600 5100 2    50   Input ~ 0
+NRF_MISO
+Text GLabel 3600 5000 2    50   Input ~ 0
+NRF_SCK
+Wire Wire Line
+	3600 5000 3500 5000
+Wire Wire Line
+	3500 5100 3600 5100
+Wire Wire Line
+	3500 5200 3600 5200
+Text GLabel 9300 3200 0    50   Input ~ 0
+NRF_MOSI
+Wire Wire Line
+	9300 3200 9500 3200
+Text GLabel 9300 3300 0    50   Input ~ 0
+NRF_MISO
+Wire Wire Line
+	9300 3300 9500 3300
+Text GLabel 9300 3400 0    50   Input ~ 0
+NRF_SCK
+Wire Wire Line
+	9300 3400 9500 3400
+$Comp
+L power:+3.3V #PWR05
+U 1 1 60A63CC4
+P 10000 2800
+F 0 "#PWR05" H 10000 2650 50  0001 C CNN
+F 1 "+3.3V" H 10015 2973 50  0000 C CNN
+F 2 "" H 10000 2800 50  0001 C CNN
+F 3 "" H 10000 2800 50  0001 C CNN
+	1    10000 2800
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	10000 2800 10000 2850
+$Comp
+L Device:CP C1
+U 1 1 60A6601F
+P 10250 2850
+F 0 "C1" V 10505 2850 50  0000 C CNN
+F 1 "CP" V 10414 2850 50  0000 C CNN
+F 2 "" H 10288 2700 50  0001 C CNN
+F 3 "~" H 10250 2850 50  0001 C CNN
+	1    10250 2850
+	0    -1   -1   0   
+$EndComp
+Wire Wire Line
+	10100 2850 10000 2850
+Connection ~ 10000 2850
+Wire Wire Line
+	10000 2850 10000 2900
+Wire Wire Line
+	8250 1500 8250 1300
+Wire Wire Line
+	8250 1300 8350 1300
+$Comp
+L power:GND #PWR06
+U 1 1 60A6C3CE
+P 10500 2900
+F 0 "#PWR06" H 10500 2650 50  0001 C CNN
+F 1 "GND" H 10505 2727 50  0000 C CNN
+F 2 "" H 10500 2900 50  0001 C CNN
+F 3 "" H 10500 2900 50  0001 C CNN
+	1    10500 2900
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	10400 2850 10500 2850
+Wire Wire Line
+	10500 2850 10500 2900
+$Comp
+L Device:R R2
+U 1 1 60A6D920
+P 4750 5100
+F 0 "R2" H 4820 5146 50  0000 L CNN
+F 1 "10k" H 4820 5055 50  0000 L CNN
+F 2 "" V 4680 5100 50  0001 C CNN
+F 3 "~" H 4750 5100 50  0001 C CNN
+	1    4750 5100
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	4750 4400 3500 4400
+Wire Wire Line
+	3500 4800 4750 4800
+Wire Wire Line
+	4750 4800 4750 4700
+Wire Wire Line
+	4750 4950 4750 4800
+Connection ~ 4750 4800
+Text GLabel 4700 5400 0    50   Input ~ 0
+~LDR_V_SENS_EN
+Wire Wire Line
+	4750 5250 4750 5400
+Wire Wire Line
+	4750 5400 4700 5400
+Text GLabel 7000 5500 2    50   Input ~ 0
+BAT_V_SENS
+Wire Wire Line
+	7000 5500 6900 5500
+Wire Wire Line
+	6900 5500 6900 5650
+$Comp
+L power:VDD #PWR012
+U 1 1 60AA67BF
+P 6900 4300
+F 0 "#PWR012" H 6900 4150 50  0001 C CNN
+F 1 "VDD" H 6915 4473 50  0000 C CNN
+F 2 "" H 6900 4300 50  0001 C CNN
+F 3 "" H 6900 4300 50  0001 C CNN
+	1    6900 4300
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	6900 4300 6900 4350
+Text GLabel 3600 4900 2    50   Input ~ 0
+BAT_V_SENS
+Wire Wire Line
+	3600 4900 3500 4900
+$Comp
+L power:GND #PWR014
+U 1 1 60AAA036
+P 6900 6100
+F 0 "#PWR014" H 6900 5850 50  0001 C CNN
+F 1 "GND" H 6905 5927 50  0000 C CNN
+F 2 "" H 6900 6100 50  0001 C CNN
+F 3 "" H 6900 6100 50  0001 C CNN
+	1    6900 6100
+	1    0    0    -1  
+$EndComp
+Text GLabel 2150 4800 0    50   Input ~ 0
+~LDR_V_SENS_EN
+Text GLabel 2150 4950 0    50   Input ~ 0
+~BAT_V_SENS_EN
+Wire Wire Line
+	2150 4800 2600 4800
+Wire Wire Line
+	2150 4950 2450 4950
+Wire Wire Line
+	2450 4950 2450 4900
+Wire Wire Line
+	2450 4900 2600 4900
+NoConn ~ 3500 4700
+NoConn ~ 3500 4600
+NoConn ~ 3500 4300
+NoConn ~ 3500 4200
+NoConn ~ 2600 5000
+NoConn ~ 2600 5100
+NoConn ~ 2600 5200
+NoConn ~ 2600 5300
+NoConn ~ 3300 5600
+NoConn ~ 3200 5600
+$Comp
+L Device:R R4
+U 1 1 60AD2DCC
+P 6900 5150
+F 0 "R4" H 6970 5196 50  0000 L CNN
+F 1 "1k" H 6970 5105 50  0000 L CNN
+F 2 "" V 6830 5150 50  0001 C CNN
+F 3 "~" H 6900 5150 50  0001 C CNN
+	1    6900 5150
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	6900 5000 6900 4850
+Wire Wire Line
+	6900 5300 6900 5500
+Connection ~ 6900 5500
+Wire Wire Line
+	7150 3300 7300 3300
+$Comp
+L power:GND #PWR0101
+U 1 1 60AE68A8
+P 10000 4200
+F 0 "#PWR0101" H 10000 3950 50  0001 C CNN
+F 1 "GND" H 10005 4027 50  0000 C CNN
+F 2 "" H 10000 4200 50  0001 C CNN
+F 3 "" H 10000 4200 50  0001 C CNN
+	1    10000 4200
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	10000 4100 10000 4200
+$Comp
+L Transistor_FET:IRLML2060 Q2
+U 1 1 60AEC93E
+P 8300 4850
+F 0 "Q2" H 8504 4896 50  0000 L CNN
+F 1 "IRLML2502" H 8504 4805 50  0000 L CNN
+F 2 "Package_TO_SOT_SMD:SOT-23" H 8500 4775 50  0001 L CIN
+F 3 "https://www.infineon.com/dgdl/Infineon-IRLML2502-DataSheet-v01_01-EN.pdf?fileId=5546d462533600a401535668048e2606" H 8300 4850 50  0001 L CNN
+	1    8300 4850
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	8400 6050 8400 5150
+Wire Wire Line
+	7200 4650 7250 4650
+$Comp
+L Device:R R5
+U 1 1 60B18608
+P 7250 4500
+F 0 "R5" H 7320 4546 50  0000 L CNN
+F 1 "10k" H 7320 4455 50  0000 L CNN
+F 2 "" V 7180 4500 50  0001 C CNN
+F 3 "~" H 7250 4500 50  0001 C CNN
+	1    7250 4500
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	7250 4350 6900 4350
+Connection ~ 6900 4350
+Wire Wire Line
+	6900 4350 6900 4450
+$Comp
+L Device:R R6
+U 1 1 60B1A9FB
+P 7900 5000
+F 0 "R6" H 7970 5046 50  0000 L CNN
+F 1 "10k" H 7970 4955 50  0000 L CNN
+F 2 "" V 7830 5000 50  0001 C CNN
+F 3 "~" H 7900 5000 50  0001 C CNN
+	1    7900 5000
+	1    0    0    -1  
+$EndComp
+Connection ~ 8400 5150
+Wire Wire Line
+	8400 5150 8400 5050
+Wire Wire Line
+	7900 5150 8400 5150
+Wire Wire Line
+	7900 4850 8100 4850
+Text GLabel 7700 4850 0    50   Input ~ 0
+~BAT_V_SENS_EN
+Wire Wire Line
+	6900 5950 6900 6050
+Wire Wire Line
+	7700 4850 7900 4850
+Connection ~ 7900 4850
+Wire Wire Line
+	7250 4650 8400 4650
+Connection ~ 7250 4650
+Wire Wire Line
+	6900 6050 8400 6050
+Connection ~ 6900 6050
+Wire Wire Line
+	6900 6050 6900 6100
+$Comp
+L Switch:SW_SPDT SW1
+U 1 1 60B30CD3
+P 3400 1700
+F 0 "SW1" H 3400 1985 50  0000 C CNN
+F 1 "SW_SPDT" H 3400 1894 50  0000 C CNN
+F 2 "" H 3400 1700 50  0001 C CNN
+F 3 "~" H 3400 1700 50  0001 C CNN
+	1    3400 1700
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	3300 2050 4400 2050
+Wire Wire Line
+	3050 1700 3200 1700
+Wire Wire Line
+	3850 1600 3850 1700
+Wire Wire Line
+	3600 1600 3850 1600
+NoConn ~ 3600 1800
+$Comp
+L Device:R R7
+U 1 1 60B4D3B3
+P 4350 1850
+F 0 "R7" V 4350 1800 50  0000 C CNN
+F 1 "10k" V 4450 1850 50  0000 C CNN
+F 2 "" V 4280 1850 50  0001 C CNN
+F 3 "~" H 4350 1850 50  0001 C CNN
+	1    4350 1850
+	0    1    1    0   
+$EndComp
+Wire Wire Line
+	4150 1850 4200 1850
+$Comp
+L Device:R R_I2C_Pup1
+U 1 1 60A10297
+P 6950 2900
+F 0 "R_I2C_Pup1" H 7020 2946 50  0000 L CNN
+F 1 "10k" H 7020 2855 50  0000 L CNN
+F 2 "" V 6880 2900 50  0001 C CNN
+F 3 "~" H 6950 2900 50  0001 C CNN
+	1    6950 2900
+	-1   0    0    1   
+$EndComp
+$Comp
+L Device:R R_I2C_Pup2
+U 1 1 60A151D2
+P 8250 2900
+F 0 "R_I2C_Pup2" H 8300 2850 50  0000 L CNN
+F 1 "10k" H 8300 2750 50  0000 L CNN
+F 2 "" V 8180 2900 50  0001 C CNN
+F 3 "~" H 8250 2900 50  0001 C CNN
+	1    8250 2900
+	-1   0    0    1   
+$EndComp
+Wire Wire Line
+	7700 2900 8000 2900
+Wire Wire Line
+	8000 2900 8000 3050
+Wire Wire Line
+	8000 3050 8250 3050
+Connection ~ 7700 2900
+Wire Wire Line
+	7500 2900 7200 2900
+Wire Wire Line
+	7200 2900 7200 3050
+Wire Wire Line
+	7200 3050 6950 3050
+Connection ~ 7500 2900
+$Comp
+L power:+3.3V #PWR016
+U 1 1 60A1AAC4
+P 6950 2650
+F 0 "#PWR016" H 6950 2500 50  0001 C CNN
+F 1 "+3.3V" H 6965 2823 50  0000 C CNN
+F 2 "" H 6950 2650 50  0001 C CNN
+F 3 "" H 6950 2650 50  0001 C CNN
+	1    6950 2650
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	6950 2650 6950 2750
+$Comp
+L power:+3.3V #PWR017
+U 1 1 60A1DD71
+P 8250 2650
+F 0 "#PWR017" H 8250 2500 50  0001 C CNN
+F 1 "+3.3V" H 8265 2823 50  0000 C CNN
+F 2 "" H 8250 2650 50  0001 C CNN
+F 3 "" H 8250 2650 50  0001 C CNN
+	1    8250 2650
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	8250 2650 8250 2750
+$EndSCHEMATC
--- a/schematic/KiCad/ATMEGA328PU_lowPower_weather_station/fp-info-cache
+++ b/schematic/KiCad/ATMEGA328PU_lowPower_weather_station/fp-info-cache
@ -0,0 +1 @@
+0
				`@ -0,0 +1 @@`
				`(kicad_pcb (version 4) (host kicad "dummy file") )`