Add 'weather-sensor/' from commit '7417108676'

git-subtree-dir: weather-sensor
git-subtree-mainline: c34c156563
git-subtree-split: 7417108676

weather-sensor/.gitignore

@@ -0,0 +1,27 @@
+# For PCBs designed using KiCad: http://www.kicad-pcb.org/
+# Format documentation: http://kicad-pcb.org/help/file-formats/
+
+# Temporary files
+*.000
+*.bak
+*.bck
+*.kicad_pcb-bak
+*.sch-bak
+*~
+_autosave-*
+*.tmp
+*-save.pro
+*-save.kicad_pcb
+fp-info-cache*
+
+# Netlist files (exported from Eeschema)
+*.net
+
+# Autorouter files (exported from Pcbnew)
+*.dsn
+*.ses
+
+# Exported BOM files
+*.xml
+*.csv
+

weather-sensor/weather_station_sensor-cache.lib

@@ -0,0 +1,332 @@
+EESchema-LIBRARY Version 2.4
+#encoding utf-8
+#
+# Connector_Generic_Conn_01x14
+#
+DEF Connector_Generic_Conn_01x14 J 0 40 Y N 1 F N
+F0 "J" 0 700 50 H V C CNN
+F1 "Connector_Generic_Conn_01x14" 0 -800 50 H V C CNN
+F2 "" 0 0 50 H I C CNN
+F3 "" 0 0 50 H I C CNN
+$FPLIST
+ Connector*:*_1x??_*
+$ENDFPLIST
+DRAW
+S -50 -695 0 -705 1 1 6 N
+S -50 -595 0 -605 1 1 6 N
+S -50 -495 0 -505 1 1 6 N
+S -50 -395 0 -405 1 1 6 N
+S -50 -295 0 -305 1 1 6 N
+S -50 -195 0 -205 1 1 6 N
+S -50 -95 0 -105 1 1 6 N
+S -50 5 0 -5 1 1 6 N
+S -50 105 0 95 1 1 6 N
+S -50 205 0 195 1 1 6 N
+S -50 305 0 295 1 1 6 N
+S -50 405 0 395 1 1 6 N
+S -50 505 0 495 1 1 6 N
+S -50 605 0 595 1 1 6 N
+S -50 650 50 -750 1 1 10 f
+X Pin_1 1 -200 600 150 R 50 50 1 1 P
+X Pin_10 10 -200 -300 150 R 50 50 1 1 P
+X Pin_11 11 -200 -400 150 R 50 50 1 1 P
+X Pin_12 12 -200 -500 150 R 50 50 1 1 P
+X Pin_13 13 -200 -600 150 R 50 50 1 1 P
+X Pin_14 14 -200 -700 150 R 50 50 1 1 P
+X Pin_2 2 -200 500 150 R 50 50 1 1 P
+X Pin_3 3 -200 400 150 R 50 50 1 1 P
+X Pin_4 4 -200 300 150 R 50 50 1 1 P
+X Pin_5 5 -200 200 150 R 50 50 1 1 P
+X Pin_6 6 -200 100 150 R 50 50 1 1 P
+X Pin_7 7 -200 0 150 R 50 50 1 1 P
+X Pin_8 8 -200 -100 150 R 50 50 1 1 P
+X Pin_9 9 -200 -200 150 R 50 50 1 1 P
+ENDDRAW
+ENDDEF
+#
+# Connector_Generic_Conn_02x03_Odd_Even
+#
+DEF Connector_Generic_Conn_02x03_Odd_Even J 0 40 Y N 1 F N
+F0 "J" 50 200 50 H V C CNN
+F1 "Connector_Generic_Conn_02x03_Odd_Even" 50 -200 50 H V C CNN
+F2 "" 0 0 50 H I C CNN
+F3 "" 0 0 50 H I C CNN
+$FPLIST
+ Connector*:*_2x??_*
+$ENDFPLIST
+DRAW
+S -50 -95 0 -105 1 1 6 N
+S -50 5 0 -5 1 1 6 N
+S -50 105 0 95 1 1 6 N
+S -50 150 150 -150 1 1 10 f
+S 150 -95 100 -105 1 1 6 N
+S 150 5 100 -5 1 1 6 N
+S 150 105 100 95 1 1 6 N
+X Pin_1 1 -200 100 150 R 50 50 1 1 P
+X Pin_2 2 300 100 150 L 50 50 1 1 P
+X Pin_3 3 -200 0 150 R 50 50 1 1 P
+X Pin_4 4 300 0 150 L 50 50 1 1 P
+X Pin_5 5 -200 -100 150 R 50 50 1 1 P
+X Pin_6 6 300 -100 150 L 50 50 1 1 P
+ENDDRAW
+ENDDEF
+#
+# Device_Battery_Cell
+#
+DEF Device_Battery_Cell BT 0 0 N N 1 F N
+F0 "BT" 100 100 50 H V L CNN
+F1 "Device_Battery_Cell" 100 0 50 H V L CNN
+F2 "" 0 60 50 V I C CNN
+F3 "" 0 60 50 V I C CNN
+DRAW
+S -90 70 90 60 0 1 0 F
+S -62 47 58 27 0 1 0 F
+P 2 0 1 0 0 30 0 0 N
+P 2 0 1 0 0 70 0 100 N
+P 2 0 1 10 20 135 60 135 N
+P 2 0 1 10 40 155 40 115 N
+X + 1 0 200 100 D 50 50 1 1 P
+X - 2 0 -100 100 U 50 50 1 1 P
+ENDDRAW
+ENDDEF
+#
+# Device_C
+#
+DEF Device_C C 0 10 N Y 1 F N
+F0 "C" 25 100 50 H V L CNN
+F1 "Device_C" 25 -100 50 H V L CNN
+F2 "" 38 -150 50 H I C CNN
+F3 "" 0 0 50 H I C CNN
+$FPLIST
+ C_*
+$ENDFPLIST
+DRAW
+P 2 0 1 20 -80 -30 80 -30 N
+P 2 0 1 20 -80 30 80 30 N
+X ~ 1 0 150 110 D 50 50 1 1 P
+X ~ 2 0 -150 110 U 50 50 1 1 P
+ENDDRAW
+ENDDEF
+#
+# Device_D_Zener
+#
+DEF Device_D_Zener D 0 40 N N 1 F N
+F0 "D" 0 100 50 H V C CNN
+F1 "Device_D_Zener" 0 -100 50 H V C CNN
+F2 "" 0 0 50 H I C CNN
+F3 "" 0 0 50 H I C CNN
+$FPLIST
+ TO-???*
+ *_Diode_*
+ *SingleDiode*
+ D_*
+$ENDFPLIST
+DRAW
+P 2 0 1 0 50 0 -50 0 N
+P 3 0 1 8 -50 -50 -50 50 -30 50 N
+P 4 0 1 8 50 -50 50 50 -50 0 50 -50 N
+X K 1 -150 0 100 R 50 50 1 1 P
+X A 2 150 0 100 L 50 50 1 1 P
+ENDDRAW
+ENDDEF
+#
+# Device_Q_NMOS_GSD
+#
+DEF Device_Q_NMOS_GSD Q 0 0 Y N 1 F N
+F0 "Q" 200 50 50 H V L CNN
+F1 "Device_Q_NMOS_GSD" 200 -50 50 H V L CNN
+F2 "" 200 100 50 H I C CNN
+F3 "" 0 0 50 H I C CNN
+DRAW
+C 65 0 110 0 1 10 N
+C 100 -70 10 0 1 0 F
+C 100 70 10 0 1 0 F
+P 2 0 1 0 10 0 -100 0 N
+P 2 0 1 10 10 75 10 -75 N
+P 2 0 1 10 30 -50 30 -90 N
+P 2 0 1 10 30 20 30 -20 N
+P 2 0 1 10 30 90 30 50 N
+P 2 0 1 0 100 100 100 70 N
+P 3 0 1 0 100 -100 100 0 30 0 N
+P 4 0 1 0 30 -70 130 -70 130 70 30 70 N
+P 4 0 1 0 40 0 80 15 80 -15 40 0 F
+P 4 0 1 0 110 20 115 15 145 15 150 10 N
+P 4 0 1 0 130 15 115 -10 145 -10 130 15 N
+X G 1 -200 0 100 R 50 50 1 1 I
+X S 2 100 -200 100 U 50 50 1 1 P
+X D 3 100 200 100 D 50 50 1 1 P
+ENDDRAW
+ENDDEF
+#
+# Device_R
+#
+DEF Device_R R 0 0 N Y 1 F N
+F0 "R" 80 0 50 V V C CNN
+F1 "Device_R" 0 0 50 V V C CNN
+F2 "" -70 0 50 V I C CNN
+F3 "" 0 0 50 H I C CNN
+$FPLIST
+ R_*
+$ENDFPLIST
+DRAW
+S -40 -100 40 100 0 1 10 N
+X ~ 1 0 150 50 D 50 50 1 1 P
+X ~ 2 0 -150 50 U 50 50 1 1 P
+ENDDRAW
+ENDDEF
+#
+# MCU_Microchip_ATmega_ATmega48PA-AU
+#
+DEF MCU_Microchip_ATmega_ATmega48PA-AU U 0 20 Y Y 1 F N
+F0 "U" -500 1450 50 H V L BNN
+F1 "MCU_Microchip_ATmega_ATmega48PA-AU" 100 -1450 50 H V L TNN
+F2 "Package_QFP:TQFP-32_7x7mm_P0.8mm" 0 0 50 H I C CIN
+F3 "" 0 0 50 H I C CNN
+ALIAS ATmega48P-20AU ATmega48A-AU ATmega48PA-AU ATmega88PV-10AU ATmega88P-20AU ATmega88A-AU ATmega88PA-AU ATmega168PV-10AU ATmega168P-20AU ATmega168A-AU ATmega168PA-AU ATmega328-AU ATmega328P-AU
+$FPLIST
+ TQFP*7x7mm*P0.8mm*
+$ENDFPLIST
+DRAW
+S -500 -1400 500 1400 0 1 10 f
+X PD3 1 600 -800 100 L 50 50 1 1 B
+X PD6 10 600 -1100 100 L 50 50 1 1 B
+X PD7 11 600 -1200 100 L 50 50 1 1 B
+X PB0 12 600 1200 100 L 50 50 1 1 B
+X PB1 13 600 1100 100 L 50 50 1 1 B
+X PB2 14 600 1000 100 L 50 50 1 1 B
+X PB3 15 600 900 100 L 50 50 1 1 B
+X PB4 16 600 800 100 L 50 50 1 1 B
+X PB5 17 600 700 100 L 50 50 1 1 B
+X AVCC 18 100 1500 100 D 50 50 1 1 W
+X ADC6 19 -600 1000 100 R 50 50 1 1 I
+X PD4 2 600 -900 100 L 50 50 1 1 B
+X AREF 20 -600 1200 100 R 50 50 1 1 P
+X GND 21 0 -1500 100 U 50 50 1 1 P N
+X ADC7 22 -600 900 100 R 50 50 1 1 I
+X PC0 23 600 300 100 L 50 50 1 1 B
+X PC1 24 600 200 100 L 50 50 1 1 B
+X PC2 25 600 100 100 L 50 50 1 1 B
+X PC3 26 600 0 100 L 50 50 1 1 B
+X PC4 27 600 -100 100 L 50 50 1 1 B
+X PC5 28 600 -200 100 L 50 50 1 1 B
+X ~RESET~/PC6 29 600 -300 100 L 50 50 1 1 B
+X GND 3 0 -1500 100 U 50 50 1 1 W
+X PD0 30 600 -500 100 L 50 50 1 1 B
+X PD1 31 600 -600 100 L 50 50 1 1 B
+X PD2 32 600 -700 100 L 50 50 1 1 B
+X VCC 4 0 1500 100 D 50 50 1 1 W
+X GND 5 0 -1500 100 U 50 50 1 1 P N
+X VCC 6 0 1500 100 D 50 50 1 1 P N
+X XTAL1/PB6 7 600 600 100 L 50 50 1 1 B
+X XTAL2/PB7 8 600 500 100 L 50 50 1 1 B
+X PD5 9 600 -1000 100 L 50 50 1 1 B
+ENDDRAW
+ENDDEF
+#
+# Own_Library_BU49xx
+#
+DEF Own_Library_BU49xx U 0 20 Y Y 1 F N
+F0 "U" -250 50 50 H V R CNN
+F1 "Own_Library_BU49xx" -250 -50 50 H V R CNN
+F2 "" -100 0 50 H I C CNN
+F3 "" -100 0 50 H I C CNN
+DRAW
+S 150 200 -200 -200 0 1 0 f
+X VOUT 1 250 0 100 L 50 50 1 1 O
+X VDD 2 -100 300 100 D 50 50 1 1 W
+X GND 3 -100 -300 100 U 50 50 1 1 W
+X NC 4 -200 50 100 R 50 50 1 1 N N
+X NC 6 -200 -100 100 R 50 50 1 1 N N
+ENDDRAW
+ENDDEF
+#
+# Own_Library_GY-B11_EP_280
+#
+DEF Own_Library_GY-B11_EP_280 U 0 20 Y Y 1 F N
+F0 "U" -250 450 50 H V C CNN
+F1 "Own_Library_GY-B11_EP_280" 200 450 50 H V C CNN
+F2 "Own_Library:GY-B11_EP_280_SMD" 1500 -450 50 H I C CNN
+F3 "" -100 -200 50 H I C CNN
+$FPLIST
+ *LGA*2.5x2.5mm*P0.65mm*Clockwise*
+$ENDFPLIST
+DRAW
+S -300 400 300 -400 0 1 10 f
+X VDD 1 0 600 200 D 50 50 1 1 W
+X GND 2 0 -600 200 U 50 50 1 1 W
+X SCK 3 500 100 200 L 50 50 1 1 I
+X SDI 4 500 -100 200 L 50 50 1 1 B
+X CSB 5 500 -300 200 L 50 50 1 1 I
+X SDO 6 500 300 200 L 50 50 1 1 B
+ENDDRAW
+ENDDEF
+#
+# Own_Library_NRF24L01_Breakout_SMD
+#
+DEF Own_Library_NRF24L01_Breakout_SMD U 0 40 Y Y 1 F N
+F0 "U" -350 500 50 H V L CNN
+F1 "Own_Library_NRF24L01_Breakout_SMD" 150 500 50 H V L CNN
+F2 "NRF24L01+breakout_SMD:NRF24L01+breakout_SMD" 150 600 50 H I L CIN
+F3 "" 0 -100 50 H I C CNN
+$FPLIST
+ nRF24L01*Breakout*
+$ENDFPLIST
+DRAW
+A 175 100 112 1166 -266 0 1 10 N 125 200 275 50
+A 175 101 49 900 -11 0 1 10 N 175 150 225 100
+A 175 101 78 1087 -191 0 1 10 N 150 175 250 75
+C 175 100 25 0 1 10 F
+S -350 450 350 -450 0 1 10 f
+P 2 0 1 10 175 75 175 -50 N
+X VCC 1 0 600 150 D 50 50 1 1 W
+X GND 2 0 -600 150 U 50 50 1 1 W
+X CE 3 -500 -200 150 R 50 50 1 1 I
+X ~CSN 4 -500 0 150 R 50 50 1 1 I
+X SCK 5 -500 100 150 R 50 50 1 1 I C
+X MOSI 6 -500 300 150 R 50 50 1 1 I
+X MISO 7 -500 200 150 R 50 50 1 1 O
+X IRQ 8 -500 -300 150 R 50 50 1 1 O
+ENDDRAW
+ENDDEF
+#
+# power_GND
+#
+DEF power_GND #PWR 0 0 Y Y 1 F P
+F0 "#PWR" 0 -250 50 H I C CNN
+F1 "power_GND" 0 -150 50 H V C CNN
+F2 "" 0 0 50 H I C CNN
+F3 "" 0 0 50 H I C CNN
+DRAW
+P 6 0 1 0 0 0 0 -50 50 -50 0 -100 -50 -50 0 -50 N
+X GND 1 0 0 0 D 50 50 1 1 W N
+ENDDRAW
+ENDDEF
+#
+# power_PWR_FLAG
+#
+DEF power_PWR_FLAG #FLG 0 0 N N 1 F P
+F0 "#FLG" 0 75 50 H I C CNN
+F1 "power_PWR_FLAG" 0 150 50 H V C CNN
+F2 "" 0 0 50 H I C CNN
+F3 "" 0 0 50 H I C CNN
+DRAW
+P 6 0 1 0 0 0 0 50 -40 75 0 100 40 75 0 50 N
+X pwr 1 0 0 0 U 50 50 0 0 w
+ENDDRAW
+ENDDEF
+#
+# power_VCC
+#
+DEF power_VCC #PWR 0 0 Y Y 1 F P
+F0 "#PWR" 0 -150 50 H I C CNN
+F1 "power_VCC" 0 150 50 H V C CNN
+F2 "" 0 0 50 H I C CNN
+F3 "" 0 0 50 H I C CNN
+DRAW
+C 0 75 25 0 1 0 N
+P 2 0 1 0 0 0 0 50 N
+X VCC 1 0 0 0 U 50 50 1 1 W N
+ENDDRAW
+ENDDEF
+#
+#End Library

weather-sensor/weather_station_sensor.pro

@@ -0,0 +1,248 @@
+update=Di 24 Mär 2020 15:06:44 CET
+version=1
+last_client=kicad
+[general]
+version=1
+RootSch=
+BoardNm=
+[cvpcb]
+version=1
+NetIExt=net
+[eeschema]
+version=1
+LibDir=
+[eeschema/libraries]
+[schematic_editor]
+version=1
+PageLayoutDescrFile=
+PlotDirectoryName=
+SubpartIdSeparator=0
+SubpartFirstId=65
+NetFmtName=Pcbnew
+SpiceAjustPassiveValues=0
+LabSize=50
+ERC_TestSimilarLabels=1
+[pcbnew]
+version=1
+PageLayoutDescrFile=
+LastNetListRead=weather_station_sensor.net
+CopperLayerCount=2
+BoardThickness=1.6
+AllowMicroVias=0
+AllowBlindVias=0
+RequireCourtyardDefinitions=0
+ProhibitOverlappingCourtyards=1
+MinTrackWidth=0.25
+MinViaDiameter=0.4
+MinViaDrill=0.3
+MinMicroViaDiameter=0.2
+MinMicroViaDrill=0.09999999999999999
+MinHoleToHole=0.25
+TrackWidth1=0.25
+ViaDiameter1=0.8
+ViaDrill1=0.4
+dPairWidth1=0.25
+dPairGap1=0.25
+dPairViaGap1=0.25
+SilkLineWidth=0.12
+SilkTextSizeV=1
+SilkTextSizeH=1
+SilkTextSizeThickness=0.15
+SilkTextItalic=0
+SilkTextUpright=1
+CopperLineWidth=0.2
+CopperTextSizeV=1.5
+CopperTextSizeH=1.5
+CopperTextThickness=0.3
+CopperTextItalic=0
+CopperTextUpright=1
+EdgeCutLineWidth=0.05
+CourtyardLineWidth=0.05
+OthersLineWidth=0.15
+OthersTextSizeV=1
+OthersTextSizeH=1
+OthersTextSizeThickness=0.15
+OthersTextItalic=0
+OthersTextUpright=1
+SolderMaskClearance=0.051
+SolderMaskMinWidth=0.25
+SolderPasteClearance=0
+SolderPasteRatio=-0
+[pcbnew/Layer.F.Cu]
+Name=F.Cu
+Type=0
+Enabled=1
+[pcbnew/Layer.In1.Cu]
+Name=In1.Cu
+Type=0
+Enabled=0
+[pcbnew/Layer.In2.Cu]
+Name=In2.Cu
+Type=0
+Enabled=0
+[pcbnew/Layer.In3.Cu]
+Name=In3.Cu
+Type=0
+Enabled=0
+[pcbnew/Layer.In4.Cu]
+Name=In4.Cu
+Type=0
+Enabled=0
+[pcbnew/Layer.In5.Cu]
+Name=In5.Cu
+Type=0
+Enabled=0
+[pcbnew/Layer.In6.Cu]
+Name=In6.Cu
+Type=0
+Enabled=0
+[pcbnew/Layer.In7.Cu]
+Name=In7.Cu
+Type=0
+Enabled=0
+[pcbnew/Layer.In8.Cu]
+Name=In8.Cu
+Type=0
+Enabled=0
+[pcbnew/Layer.In9.Cu]
+Name=In9.Cu
+Type=0
+Enabled=0
+[pcbnew/Layer.In10.Cu]
+Name=In10.Cu
+Type=0
+Enabled=0
+[pcbnew/Layer.In11.Cu]
+Name=In11.Cu
+Type=0
+Enabled=0
+[pcbnew/Layer.In12.Cu]
+Name=In12.Cu
+Type=0
+Enabled=0
+[pcbnew/Layer.In13.Cu]
+Name=In13.Cu
+Type=0
+Enabled=0
+[pcbnew/Layer.In14.Cu]
+Name=In14.Cu
+Type=0
+Enabled=0
+[pcbnew/Layer.In15.Cu]
+Name=In15.Cu
+Type=0
+Enabled=0
+[pcbnew/Layer.In16.Cu]
+Name=In16.Cu
+Type=0
+Enabled=0
+[pcbnew/Layer.In17.Cu]
+Name=In17.Cu
+Type=0
+Enabled=0
+[pcbnew/Layer.In18.Cu]
+Name=In18.Cu
+Type=0
+Enabled=0
+[pcbnew/Layer.In19.Cu]
+Name=In19.Cu
+Type=0
+Enabled=0
+[pcbnew/Layer.In20.Cu]
+Name=In20.Cu
+Type=0
+Enabled=0
+[pcbnew/Layer.In21.Cu]
+Name=In21.Cu
+Type=0
+Enabled=0
+[pcbnew/Layer.In22.Cu]
+Name=In22.Cu
+Type=0
+Enabled=0
+[pcbnew/Layer.In23.Cu]
+Name=In23.Cu
+Type=0
+Enabled=0
+[pcbnew/Layer.In24.Cu]
+Name=In24.Cu
+Type=0
+Enabled=0
+[pcbnew/Layer.In25.Cu]
+Name=In25.Cu
+Type=0
+Enabled=0
+[pcbnew/Layer.In26.Cu]
+Name=In26.Cu
+Type=0
+Enabled=0
+[pcbnew/Layer.In27.Cu]
+Name=In27.Cu
+Type=0
+Enabled=0
+[pcbnew/Layer.In28.Cu]
+Name=In28.Cu
+Type=0
+Enabled=0
+[pcbnew/Layer.In29.Cu]
+Name=In29.Cu
+Type=0
+Enabled=0
+[pcbnew/Layer.In30.Cu]
+Name=In30.Cu
+Type=0
+Enabled=0
+[pcbnew/Layer.B.Cu]
+Name=B.Cu
+Type=0
+Enabled=1
+[pcbnew/Layer.B.Adhes]
+Enabled=1
+[pcbnew/Layer.F.Adhes]
+Enabled=1
+[pcbnew/Layer.B.Paste]
+Enabled=1
+[pcbnew/Layer.F.Paste]
+Enabled=1
+[pcbnew/Layer.B.SilkS]
+Enabled=1
+[pcbnew/Layer.F.SilkS]
+Enabled=1
+[pcbnew/Layer.B.Mask]
+Enabled=1
+[pcbnew/Layer.F.Mask]
+Enabled=1
+[pcbnew/Layer.Dwgs.User]
+Enabled=1
+[pcbnew/Layer.Cmts.User]
+Enabled=1
+[pcbnew/Layer.Eco1.User]
+Enabled=1
+[pcbnew/Layer.Eco2.User]
+Enabled=1
+[pcbnew/Layer.Edge.Cuts]
+Enabled=1
+[pcbnew/Layer.Margin]
+Enabled=1
+[pcbnew/Layer.B.CrtYd]
+Enabled=1
+[pcbnew/Layer.F.CrtYd]
+Enabled=1
+[pcbnew/Layer.B.Fab]
+Enabled=1
+[pcbnew/Layer.F.Fab]
+Enabled=1
+[pcbnew/Layer.Rescue]
+Enabled=0
+[pcbnew/Netclasses]
+[pcbnew/Netclasses/Default]
+Name=Default
+Clearance=0.25
+TrackWidth=0.25
+ViaDiameter=0.8
+ViaDrill=0.4
+uViaDiameter=0.3
+uViaDrill=0.1
+dPairWidth=0.25
+dPairGap=0.25
+dPairViaGap=0.25

weather-sensor/weather_station_sensor.sch

@@ -0,0 +1,837 @@
+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
+$Comp
+L Device:C C6
+U 1 1 5E588ABC
+P 10400 2150
+F 0 "C6" H 10515 2196 50  0000 L CNN
+F 1 "100n" H 10515 2105 50  0000 L CNN
+F 2 "Capacitors_SMD:C_0603_HandSoldering" H 10438 2000 50  0001 C CNN
+F 3 "~" H 10400 2150 50  0001 C CNN
+	1    10400 2150
+	1    0    0    -1  
+$EndComp
+$Comp
+L power:GND #PWR017
+U 1 1 5E588AC2
+P 10400 2400
+F 0 "#PWR017" H 10400 2150 50  0001 C CNN
+F 1 "GND" H 10405 2227 50  0000 C CNN
+F 2 "" H 10400 2400 50  0001 C CNN
+F 3 "" H 10400 2400 50  0001 C CNN
+	1    10400 2400
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	10400 2400 10400 2300
+Wire Wire Line
+	9750 2000 10400 2000
+$Comp
+L power:VCC #PWR015
+U 1 1 5E58967F
+P 9750 1900
+F 0 "#PWR015" H 9750 1750 50  0001 C CNN
+F 1 "VCC" H 9767 2073 50  0000 C CNN
+F 2 "" H 9750 1900 50  0001 C CNN
+F 3 "" H 9750 1900 50  0001 C CNN
+	1    9750 1900
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	9750 1900 9750 2000
+Connection ~ 9750 2000
+Text GLabel 9150 2450 0    50   Input ~ 0
+MISO
+Text GLabel 9150 2550 0    50   Input ~ 0
+SCK
+Text GLabel 9150 2650 0    50   Input ~ 0
+NRF24_CS
+Wire Wire Line
+	9950 5000 9850 5000
+Wire Wire Line
+	9850 5200 9950 5200
+Wire Wire Line
+	9950 5400 9850 5400
+Wire Wire Line
+	9850 5600 9950 5600
+$Comp
+L power:GND #PWR016
+U 1 1 5E595499
+P 9750 3350
+F 0 "#PWR016" H 9750 3100 50  0001 C CNN
+F 1 "GND" H 9755 3177 50  0000 C CNN
+F 2 "" H 9750 3350 50  0001 C CNN
+F 3 "" H 9750 3350 50  0001 C CNN
+	1    9750 3350
+	1    0    0    -1  
+$EndComp
+Text GLabel 7850 2900 2    50   Input ~ 0
+MISO
+Text GLabel 7850 2600 2    50   Input ~ 0
+MOSI
+Text GLabel 7850 3200 2    50   Input ~ 0
+SCK
+Text GLabel 6150 4800 2    50   Input ~ 0
+NRF24_CS
+Text GLabel 6150 2700 2    50   Input ~ 0
+BME280_CS
+Text GLabel 6150 4900 2    50   Input ~ 0
+CE
+Text GLabel 9150 2850 0    50   Input ~ 0
+CE
+Text GLabel 9150 2350 0    50   Input ~ 0
+MOSI
+Text GLabel 9950 5200 2    50   Input ~ 0
+SCK
+Text GLabel 9950 5000 2    50   Input ~ 0
+MISO
+Text GLabel 9950 5400 2    50   Input ~ 0
+MOSI
+Text GLabel 9950 5600 2    50   Input ~ 0
+BME280_CS
+$Comp
+L Device:D_Zener D1
+U 1 1 5E5B4A6A
+P 2750 7050
+F 0 "D1" V 2704 7129 50  0000 L CNN
+F 1 " ESDZL5-1F4" V 2795 7129 50  0000 L CNN
+F 2 "Diodes_SMD:D_0603" H 2750 7050 50  0001 C CNN
+F 3 "http://www.st.com/content/ccc/resource/technical/document/datasheet/group3/fe/b3/9c/68/77/e8/4e/0c/DM00360302/files/DM00360302.pdf/jcr:content/translations/en.DM00360302.pdf" H 2750 7050 50  0001 C CNN
+F 4 "497-17544-1-ND" V 2750 7050 50  0001 C CNN "Digikey PN"
+F 5 "https://www.digikey.de/product-detail/de/stmicroelectronics/ESDZL5-1F4/497-17544-1-ND/7400400" V 2750 7050 50  0001 C CNN "Digikey link"
+	1    2750 7050
+	0    1    1    0   
+$EndComp
+Wire Wire Line
+	2950 6800 2750 6800
+Wire Wire Line
+	2750 6800 2750 6900
+Connection ~ 2750 6800
+Wire Wire Line
+	2750 6800 2500 6800
+$Comp
+L Device:Battery_Cell BT1
+U 1 1 5E5BF5B4
+P 700 6450
+F 0 "BT1" H 818 6546 50  0000 L CNN
+F 1 "AAA battery" H 818 6455 50  0000 L CNN
+F 2 "Battery_Holder_AAA_Keystone:aaa_holder_keystone_591+597" V 700 6510 50  0001 C CNN
+F 3 "~" V 700 6510 50  0001 C CNN
+	1    700  6450
+	1    0    0    -1  
+$EndComp
+$Comp
+L Device:Battery_Cell BT2
+U 1 1 5E5C0221
+P 700 6850
+F 0 "BT2" H 818 6946 50  0000 L CNN
+F 1 "AAA battery" H 818 6855 50  0000 L CNN
+F 2 "Battery_Holder_AAA_Keystone:aaa_holder_keystone_591+597" V 700 6910 50  0001 C CNN
+F 3 "~" V 700 6910 50  0001 C CNN
+	1    700  6850
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	700  6650 700  6550
+Wire Wire Line
+	700  6250 700  6100
+Wire Wire Line
+	700  6100 850  6100
+Wire Wire Line
+	2150 6100 2150 6500
+Wire Wire Line
+	700  7450 850  7450
+Wire Wire Line
+	2150 7450 2150 7100
+Wire Wire Line
+	2150 7450 2750 7450
+Wire Wire Line
+	2750 7450 2750 7200
+Connection ~ 2150 7450
+Wire Wire Line
+	2750 7450 3250 7450
+Wire Wire Line
+	3250 7450 3250 7000
+Connection ~ 2750 7450
+Wire Wire Line
+	3250 6600 3250 6500
+$Comp
+L power:VCC #PWR06
+U 1 1 5E5DC9B3
+P 3800 6100
+F 0 "#PWR06" H 3800 5950 50  0001 C CNN
+F 1 "VCC" H 3817 6273 50  0000 C CNN
+F 2 "" H 3800 6100 50  0001 C CNN
+F 3 "" H 3800 6100 50  0001 C CNN
+	1    3800 6100
+	1    0    0    -1  
+$EndComp
+$Comp
+L power:GND #PWR07
+U 1 1 5E5DD008
+P 3800 6500
+F 0 "#PWR07" H 3800 6250 50  0001 C CNN
+F 1 "GND" H 3805 6327 50  0000 C CNN
+F 2 "" H 3800 6500 50  0001 C CNN
+F 3 "" H 3800 6500 50  0001 C CNN
+	1    3800 6500
+	1    0    0    -1  
+$EndComp
+Wire Notes Line
+	550  5850 4050 5850
+Wire Notes Line
+	4050 5850 4050 7700
+Wire Notes Line
+	4050 7700 550  7700
+Wire Notes Line
+	550  7700 550  5850
+Text Notes 2900 7650 0    50   ~ 0
+disconnect battery when\nvoltage drops below 2V
+Wire Wire Line
+	700  6950 700  7450
+$Comp
+L Device:Q_NMOS_GSD Q1
+U 1 1 5E5B7982
+P 3150 6800
+F 0 "Q1" H 3354 6846 50  0000 L CNN
+F 1 "SSM3K36FS" H 3354 6755 50  0000 L CNN
+F 2 "Own_Library:SOT-416_SC-90_Handsoldering" H 3350 6900 50  0001 C CNN
+F 3 "http://toshiba.semicon-storage.com/info/docget.jsp?did=11220&prodName=SSM3K36FS" H 3150 6800 50  0001 C CNN
+F 4 "https://www.digikey.de/product-detail/de/toshiba-semiconductor-and-storage/SSM3K36FS-LF/SSM3K36FSLFCT-ND/3191346" H 3150 6800 50  0001 C CNN "Digikey link"
+F 5 "SSM3K36FSLFCT-ND" H 3150 6800 50  0001 C CNN "Digikey PN"
+	1    3150 6800
+	1    0    0    -1  
+$EndComp
+$Comp
+L Device:C C3
+U 1 1 5E888344
+P 4550 1950
+F 0 "C3" H 4665 1996 50  0000 L CNN
+F 1 "100n" H 4665 1905 50  0000 L CNN
+F 2 "Capacitors_SMD:C_0603_HandSoldering" H 4588 1800 50  0001 C CNN
+F 3 "~" H 4550 1950 50  0001 C CNN
+	1    4550 1950
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	4550 1700 5000 1700
+$Comp
+L power:GND #PWR09
+U 1 1 5E88834B
+P 4550 2150
+F 0 "#PWR09" H 4550 1900 50  0001 C CNN
+F 1 "GND" H 4555 1977 50  0000 C CNN
+F 2 "" H 4550 2150 50  0001 C CNN
+F 3 "" H 4550 2150 50  0001 C CNN
+	1    4550 2150
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	4550 2150 4550 2100
+Wire Wire Line
+	5550 1700 5550 2200
+Wire Wire Line
+	5450 1700 5450 2200
+Connection ~ 5450 1700
+Wire Wire Line
+	5450 1700 5550 1700
+Wire Wire Line
+	4550 1700 4550 1800
+Wire Wire Line
+	6150 2700 6050 2700
+Wire Wire Line
+	6150 4800 6050 4800
+Wire Wire Line
+	6150 4900 6050 4900
+Text GLabel 1700 1700 0    50   Input ~ 0
+Reset
+Text GLabel 1700 1500 0    50   Input ~ 0
+ISP_MISO
+Text GLabel 2400 1600 2    50   Input ~ 0
+ISP_MOSI
+Text GLabel 1700 1600 0    50   Input ~ 0
+ISP_SCK
+Text GLabel 7100 2650 1    50   Input ~ 0
+ISP_MISO
+Text GLabel 7250 2650 1    50   Input ~ 0
+ISP_MOSI
+Text GLabel 6950 2650 1    50   Input ~ 0
+ISP_SCK
+$Comp
+L Device:R R3
+U 1 1 5E925192
+P 7600 2600
+F 0 "R3" V 7393 2600 50  0000 C CNN
+F 1 "330" V 7484 2600 50  0000 C CNN
+F 2 "Resistors_SMD:R_0603_HandSoldering" V 7530 2600 50  0001 C CNN
+F 3 "~" H 7600 2600 50  0001 C CNN
+	1    7600 2600
+	0    1    1    0   
+$EndComp
+$Comp
+L Device:R R4
+U 1 1 5E92566D
+P 7600 2900
+F 0 "R4" V 7393 2900 50  0000 C CNN
+F 1 "330" V 7484 2900 50  0000 C CNN
+F 2 "Resistors_SMD:R_0603_HandSoldering" V 7530 2900 50  0001 C CNN
+F 3 "~" H 7600 2900 50  0001 C CNN
+	1    7600 2900
+	0    1    1    0   
+$EndComp
+$Comp
+L Device:R R5
+U 1 1 5E9299BA
+P 7600 3200
+F 0 "R5" V 7393 3200 50  0000 C CNN
+F 1 "330" V 7484 3200 50  0000 C CNN
+F 2 "Resistors_SMD:R_0603_HandSoldering" V 7530 3200 50  0001 C CNN
+F 3 "~" H 7600 3200 50  0001 C CNN
+	1    7600 3200
+	0    1    1    0   
+$EndComp
+Wire Wire Line
+	7850 3200 7750 3200
+Wire Wire Line
+	7850 2900 7750 2900
+Wire Wire Line
+	7750 2600 7850 2600
+Wire Wire Line
+	7400 2800 7400 2600
+Wire Wire Line
+	7400 2600 7450 2600
+Wire Wire Line
+	6050 2800 7250 2800
+Wire Wire Line
+	6050 2900 7100 2900
+Wire Wire Line
+	7400 3000 7400 3200
+Wire Wire Line
+	7400 3200 7450 3200
+Wire Wire Line
+	6050 3000 6950 3000
+Wire Wire Line
+	6950 3000 6950 2650
+Connection ~ 6950 3000
+Wire Wire Line
+	6950 3000 7400 3000
+Wire Wire Line
+	7100 2650 7100 2900
+Connection ~ 7100 2900
+Connection ~ 2150 6100
+Wire Wire Line
+	2150 6100 3700 6100
+Wire Wire Line
+	3800 6500 3700 6500
+Wire Wire Line
+	3700 6100 3800 6100
+Connection ~ 3700 6100
+Connection ~ 3700 6500
+Wire Wire Line
+	3700 6500 3700 6450
+Wire Wire Line
+	3700 6150 3700 6100
+$Comp
+L Device:C C1
+U 1 1 5E5D6526
+P 3700 6300
+F 0 "C1" H 3815 6346 50  0000 L CNN
+F 1 "10uF" H 3815 6255 50  0000 L CNN
+F 2 "Capacitors_SMD:C_0603_HandSoldering" H 3738 6150 50  0001 C CNN
+F 3 "~" H 3700 6300 50  0001 C CNN
+	1    3700 6300
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	3250 6500 3400 6500
+$Comp
+L Connector_Generic:Conn_02x03_Odd_Even J1
+U 1 1 5E81C273
+P 2000 1600
+F 0 "J1" H 2050 1917 50  0000 C CNN
+F 1 "Conn_02x03_Odd_Even" H 2050 1826 50  0000 C CNN
+F 2 "Pin_Headers:Pin_Header_Straight_2x03_Pitch2.54mm" H 2000 1600 50  0001 C CNN
+F 3 "~" H 2000 1600 50  0001 C CNN
+	1    2000 1600
+	1    0    0    -1  
+$EndComp
+$Comp
+L power:VCC #PWR04
+U 1 1 5E8263C4
+P 2550 1500
+F 0 "#PWR04" H 2550 1350 50  0001 C CNN
+F 1 "VCC" H 2567 1673 50  0000 C CNN
+F 2 "" H 2550 1500 50  0001 C CNN
+F 3 "" H 2550 1500 50  0001 C CNN
+	1    2550 1500
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	2550 1500 2300 1500
+$Comp
+L power:GND #PWR05
+U 1 1 5E829021
+P 2550 1700
+F 0 "#PWR05" H 2550 1450 50  0001 C CNN
+F 1 "GND" H 2555 1527 50  0000 C CNN
+F 2 "" H 2550 1700 50  0001 C CNN
+F 3 "" H 2550 1700 50  0001 C CNN
+	1    2550 1700
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	2550 1700 2300 1700
+Wire Wire Line
+	2300 1600 2400 1600
+Wire Wire Line
+	1800 1500 1700 1500
+Wire Wire Line
+	1700 1600 1800 1600
+Text Notes 1200 2200 0    50   ~ 0
+Place the debug connection under the batteries\nto prevent the MCU being powered from both\nthe batteries and the debug connection.
+$Comp
+L Device:C C2
+U 1 1 5E863B11
+P 4350 2750
+F 0 "C2" H 4465 2796 50  0000 L CNN
+F 1 "100n" H 4465 2705 50  0000 L CNN
+F 2 "Capacitors_SMD:C_0603_HandSoldering" H 4388 2600 50  0001 C CNN
+F 3 "~" H 4350 2750 50  0001 C CNN
+	1    4350 2750
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	4350 2500 4850 2500
+$Comp
+L power:GND #PWR08
+U 1 1 5E863B18
+P 4350 2950
+F 0 "#PWR08" H 4350 2700 50  0001 C CNN
+F 1 "GND" H 4355 2777 50  0000 C CNN
+F 2 "" H 4350 2950 50  0001 C CNN
+F 3 "" H 4350 2950 50  0001 C CNN
+	1    4350 2950
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	4350 2950 4350 2900
+Wire Wire Line
+	4350 2500 4350 2600
+NoConn ~ 4850 2700
+NoConn ~ 4850 2800
+NoConn ~ 6050 3100
+NoConn ~ 6050 3200
+NoConn ~ 6050 4500
+NoConn ~ 6050 4600
+Text GLabel 6150 4700 2    50   Input ~ 0
+IRQ
+Wire Wire Line
+	6150 4700 6050 4700
+Text GLabel 9150 2950 0    50   Input ~ 0
+IRQ
+$Comp
+L Own_Library:BU49xx U2
+U 1 1 5E8BAA55
+P 2250 6800
+F 0 "U2" H 2007 6846 50  0000 R CNN
+F 1 "BU4920G-TR" H 2007 6755 50  0000 R CNN
+F 2 "Housings_SSOP:TSOP-5_1.65x3.05mm_Pitch0.95mm" H 2150 6800 50  0001 C CNN
+F 3 "https://fscdn.rohm.com/en/products/databook/datasheet/ic/power/voltage_detector/bd48xxg-e.pdf" H 2150 6800 50  0001 C CNN
+F 4 "BU4920GCT-ND " H 2250 6800 50  0001 C CNN "Digikey PN"
+F 5 "https://www.digikey.de/product-detail/de/rohm-semiconductor/BU4920G-TR/BU4920GCT-ND/3769270" H 2250 6800 50  0001 C CNN "Dikikey link"
+	1    2250 6800
+	1    0    0    -1  
+$EndComp
+Text Notes 1200 1200 0    50   ~ 0
+Debug connection
+Wire Notes Line
+	1150 1100 1150 2250
+Wire Notes Line
+	1150 2250 3150 2250
+Wire Notes Line
+	3150 2250 3150 1100
+Wire Notes Line
+	3150 1100 1150 1100
+$Comp
+L power:VCC #PWR0101
+U 1 1 5E7A04E7
+P 5450 1600
+F 0 "#PWR0101" H 5450 1450 50  0001 C CNN
+F 1 "VCC" H 5467 1773 50  0000 C CNN
+F 2 "" H 5450 1600 50  0001 C CNN
+F 3 "" H 5450 1600 50  0001 C CNN
+	1    5450 1600
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	5450 1600 5450 1700
+Wire Wire Line
+	1800 1700 1700 1700
+Wire Wire Line
+	5450 5200 5450 5250
+Wire Wire Line
+	5450 5250 5000 5250
+Wire Wire Line
+	5000 5250 5000 5300
+NoConn ~ 6050 2500
+$Comp
+L power:PWR_FLAG #FLG0101
+U 1 1 5E801D06
+P 850 6100
+F 0 "#FLG0101" H 850 6175 50  0001 C CNN
+F 1 "PWR_FLAG" H 850 6273 50  0000 C CNN
+F 2 "" H 850 6100 50  0001 C CNN
+F 3 "~" H 850 6100 50  0001 C CNN
+	1    850  6100
+	1    0    0    -1  
+$EndComp
+Connection ~ 850  6100
+Wire Wire Line
+	850  6100 2150 6100
+$Comp
+L power:PWR_FLAG #FLG0102
+U 1 1 5E80230C
+P 850 7450
+F 0 "#FLG0102" H 850 7525 50  0001 C CNN
+F 1 "PWR_FLAG" H 850 7623 50  0000 C CNN
+F 2 "" H 850 7450 50  0001 C CNN
+F 3 "~" H 850 7450 50  0001 C CNN
+	1    850  7450
+	1    0    0    -1  
+$EndComp
+Connection ~ 850  7450
+Wire Wire Line
+	850  7450 2150 7450
+$Comp
+L power:GND #PWR0102
+U 1 1 5E8112C3
+P 5000 5300
+F 0 "#PWR0102" H 5000 5050 50  0001 C CNN
+F 1 "GND" H 5005 5127 50  0000 C CNN
+F 2 "" H 5000 5300 50  0001 C CNN
+F 3 "" H 5000 5300 50  0001 C CNN
+	1    5000 5300
+	1    0    0    -1  
+$EndComp
+$Comp
+L power:PWR_FLAG #FLG0103
+U 1 1 5E813A35
+P 3400 6500
+F 0 "#FLG0103" H 3400 6575 50  0001 C CNN
+F 1 "PWR_FLAG" H 3400 6673 50  0000 C CNN
+F 2 "" H 3400 6500 50  0001 C CNN
+F 3 "~" H 3400 6500 50  0001 C CNN
+	1    3400 6500
+	1    0    0    -1  
+$EndComp
+Connection ~ 3400 6500
+Wire Wire Line
+	3400 6500 3700 6500
+Wire Wire Line
+	6800 3950 6800 4000
+Connection ~ 6800 4000
+Wire Wire Line
+	6800 4000 6800 4050
+$Comp
+L power:GND #PWR0104
+U 1 1 5E826963
+P 6800 4400
+F 0 "#PWR0104" H 6800 4150 50  0001 C CNN
+F 1 "GND" H 6805 4227 50  0000 C CNN
+F 2 "" H 6800 4400 50  0001 C CNN
+F 3 "" H 6800 4400 50  0001 C CNN
+	1    6800 4400
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	6800 4400 6800 4350
+Text GLabel 6850 4000 2    50   Input ~ 0
+Reset
+Wire Wire Line
+	6850 4000 6800 4000
+$Comp
+L Device:C C7
+U 1 1 5E81E0CA
+P 6800 4200
+F 0 "C7" H 6915 4246 50  0000 L CNN
+F 1 "100n" H 6915 4155 50  0000 L CNN
+F 2 "Capacitors_SMD:C_0603_HandSoldering" H 6838 4050 50  0001 C CNN
+F 3 "~" H 6800 4200 50  0001 C CNN
+	1    6800 4200
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	9250 2950 9150 2950
+Wire Wire Line
+	9250 2450 9150 2450
+Wire Wire Line
+	9150 2350 9250 2350
+Wire Wire Line
+	9150 2550 9250 2550
+Wire Wire Line
+	9250 2650 9150 2650
+Wire Wire Line
+	9150 2850 9250 2850
+Wire Wire Line
+	9750 2000 9750 2050
+Wire Wire Line
+	9750 3250 9750 3350
+$Comp
+L Own_Library:NRF24L01_Breakout_SMD U1
+U 1 1 5E84E88A
+P 9750 2650
+F 0 "U1" H 10130 2696 50  0000 L CNN
+F 1 "NRF24L01_Breakout_SMD" H 10130 2605 50  0000 L CNN
+F 2 "NRF24L01+breakout_SMD:NRF24L01+breakout_SMD" H 9900 3250 50  0001 L CIN
+F 3 "http://www.nordicsemi.com/eng/content/download/2730/34105/file/nRF24L01_Product_Specification_v2_0.pdf" H 9750 2550 50  0001 C CNN
+	1    9750 2650
+	1    0    0    -1  
+$EndComp
+$Comp
+L power:VCC #PWR01
+U 1 1 5E7B2EA0
+P 9350 4650
+F 0 "#PWR01" H 9350 4500 50  0001 C CNN
+F 1 "VCC" H 9367 4823 50  0000 C CNN
+F 2 "" H 9350 4650 50  0001 C CNN
+F 3 "" H 9350 4650 50  0001 C CNN
+	1    9350 4650
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	9350 4650 9350 4700
+$Comp
+L power:GND #PWR02
+U 1 1 5E7B9C9F
+P 9350 5950
+F 0 "#PWR02" H 9350 5700 50  0001 C CNN
+F 1 "GND" H 9355 5777 50  0000 C CNN
+F 2 "" H 9350 5950 50  0001 C CNN
+F 3 "" H 9350 5950 50  0001 C CNN
+	1    9350 5950
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	9350 5950 9350 5900
+$Comp
+L Own_Library:GY-B11_EP_280 U4
+U 1 1 5E7E5A65
+P 9350 5300
+F 0 "U4" H 9020 5346 50  0000 R CNN
+F 1 "GY-B11_EP_280" H 9020 5255 50  0000 R CNN
+F 2 "Own_Library:GY-B11_EP_280_SMD" H 10850 4850 50  0001 C CNN
+F 3 "https://ae-bst.resource.bosch.com/media/_tech/media/datasheets/BST-BME280-DS002.pdf" H 9250 5100 50  0001 C CNN
+	1    9350 5300
+	1    0    0    -1  
+$EndComp
+Text Notes 1250 3050 0    50   ~ 0
+TODO: add some GPIOs that can be accessed via SMD pads
+$Comp
+L Device:C C4
+U 1 1 5E817D49
+P 5000 1950
+F 0 "C4" H 5115 1996 50  0000 L CNN
+F 1 "100n" H 5115 1905 50  0000 L CNN
+F 2 "Capacitors_SMD:C_0603_HandSoldering" H 5038 1800 50  0001 C CNN
+F 3 "~" H 5000 1950 50  0001 C CNN
+	1    5000 1950
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	5000 1800 5000 1700
+Connection ~ 5000 1700
+Wire Wire Line
+	5000 1700 5450 1700
+$Comp
+L Device:R R1
+U 1 1 5E8179ED
+P 6800 3800
+F 0 "R1" H 6870 3846 50  0000 L CNN
+F 1 "4k7" H 6870 3755 50  0000 L CNN
+F 2 "Resistors_SMD:R_0603_HandSoldering" V 6730 3800 50  0001 C CNN
+F 3 "~" H 6800 3800 50  0001 C CNN
+	1    6800 3800
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	5000 2100 4550 2100
+Connection ~ 4550 2100
+Wire Wire Line
+	6800 3600 6800 3650
+$Comp
+L power:VCC #PWR0103
+U 1 1 5E823307
+P 6800 3600
+F 0 "#PWR0103" H 6800 3450 50  0001 C CNN
+F 1 "VCC" H 6817 3773 50  0000 C CNN
+F 2 "" H 6800 3600 50  0001 C CNN
+F 3 "" H 6800 3600 50  0001 C CNN
+	1    6800 3600
+	1    0    0    -1  
+$EndComp
+$Comp
+L power:VCC #PWR03
+U 1 1 5E846989
+P 1050 3950
+F 0 "#PWR03" H 1050 3800 50  0001 C CNN
+F 1 "VCC" H 1067 4123 50  0000 C CNN
+F 2 "" H 1050 3950 50  0001 C CNN
+F 3 "" H 1050 3950 50  0001 C CNN
+	1    1050 3950
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	1050 3950 1050 4000
+$Comp
+L power:GND #PWR010
+U 1 1 5E84988C
+P 1050 4100
+F 0 "#PWR010" H 1050 3850 50  0001 C CNN
+F 1 "GND" H 1055 3927 50  0000 C CNN
+F 2 "" H 1050 4100 50  0001 C CNN
+F 3 "" H 1050 4100 50  0001 C CNN
+	1    1050 4100
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	1350 4050 1350 3900
+Wire Wire Line
+	1050 4000 1250 4000
+Wire Wire Line
+	1250 4000 1250 3900
+Text GLabel 1550 4000 3    50   Input ~ 0
+MISO
+Text GLabel 1650 4000 3    50   Input ~ 0
+SCK
+Text GLabel 1450 4000 3    50   Input ~ 0
+MOSI
+Wire Wire Line
+	1550 3900 1550 4000
+Wire Wire Line
+	1450 4000 1450 3900
+Wire Wire Line
+	1650 4000 1650 3900
+Wire Wire Line
+	1350 4050 1050 4050
+Wire Wire Line
+	1050 4050 1050 4100
+Text GLabel 2450 4000 3    50   Input ~ 0
+PD1
+Text GLabel 2350 4000 3    50   Input ~ 0
+PD0
+Text GLabel 2550 4000 3    50   Input ~ 0
+PD2
+Text GLabel 1950 4000 3    50   Input ~ 0
+PC2
+Text GLabel 2050 4000 3    50   Input ~ 0
+PC3
+Text GLabel 2150 4000 3    50   Input ~ 0
+PC4
+Text GLabel 2250 4000 3    50   Input ~ 0
+PC5
+Wire Wire Line
+	1750 3900 1750 4000
+Wire Wire Line
+	1850 3900 1850 4000
+Wire Wire Line
+	1950 3900 1950 4000
+Wire Wire Line
+	2050 3900 2050 4000
+Wire Wire Line
+	2150 3900 2150 4000
+Wire Wire Line
+	2250 3900 2250 4000
+Wire Wire Line
+	2350 3900 2350 4000
+Text GLabel 6150 4300 2    50   Input ~ 0
+PD1
+Text GLabel 6150 4200 2    50   Input ~ 0
+PD0
+Text GLabel 6150 4400 2    50   Input ~ 0
+PD2
+Text GLabel 6150 3600 2    50   Input ~ 0
+PC2
+Text GLabel 6150 3700 2    50   Input ~ 0
+PC3
+Text GLabel 6150 3800 2    50   Input ~ 0
+PC4
+Text GLabel 6150 3900 2    50   Input ~ 0
+PC5
+Wire Wire Line
+	6050 4000 6800 4000
+$Comp
+L MCU_Microchip_ATmega:ATmega48PA-AU U3
+U 1 1 5E857B8D
+P 5450 3700
+F 0 "U3" H 5450 2111 50  0000 C CNN
+F 1 "ATmega48PA-AU" H 5450 2020 50  0000 C CNN
+F 2 "Housings_QFP:LQFP-32_7x7mm_Pitch0.8mm" H 5450 3700 50  0001 C CIN
+F 3 "http://ww1.microchip.com/downloads/en/DeviceDoc/ATmega48PA_88PA_168PA-Data-Sheet-40002011A.pdf" H 5450 3700 50  0001 C CNN
+F 4 " ATMEGA48PA-AURCT-ND" H 5450 3700 50  0001 C CNN "Digikey PN"
+F 5 "https://www.digikey.de/product-detail/de/microchip-technology/ATMEGA48PA-AUR/ATMEGA48PA-AURCT-ND/3789467" H 5450 3700 50  0001 C CNN "Digikey link"
+	1    5450 3700
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	6050 4400 6150 4400
+Wire Wire Line
+	6150 4300 6050 4300
+Wire Wire Line
+	6050 4200 6150 4200
+Wire Wire Line
+	6150 3900 6050 3900
+Wire Wire Line
+	6050 3800 6150 3800
+Wire Wire Line
+	6150 3700 6050 3700
+Wire Wire Line
+	6050 3600 6150 3600
+Text GLabel 1750 4000 3    50   Input ~ 0
+PC0
+Text GLabel 1850 4000 3    50   Input ~ 0
+PC1
+Wire Wire Line
+	2450 3900 2450 4000
+Wire Wire Line
+	2550 4000 2550 3900
+Text GLabel 6150 3400 2    50   Input ~ 0
+PC0
+Text GLabel 6150 3500 2    50   Input ~ 0
+PC1
+Wire Wire Line
+	6150 3400 6050 3400
+Wire Wire Line
+	6050 3500 6150 3500
+$Comp
+L Connector_Generic:Conn_01x14 J2
+U 1 1 5E93123D
+P 1850 3700
+F 0 "J2" V 2067 3646 50  0000 C CNN
+F 1 "Conn_01x14" V 1976 3646 50  0000 C CNN
+F 2 "Own_Library:Pin_Header_Side_1x14_Pitch2.54mm_SMD" H 1850 3700 50  0001 C CNN
+F 3 "~" H 1850 3700 50  0001 C CNN
+	1    1850 3700
+	0    -1   -1   0   
+$EndComp
+NoConn ~ 6050 2600
+Wire Wire Line
+	7100 2900 7450 2900
+Wire Wire Line
+	7250 2650 7250 2800
+Connection ~ 7250 2800
+Wire Wire Line
+	7250 2800 7400 2800
+$EndSCHEMATC