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esp-weatherstation
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A weather station
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esp-weatherstation/README.md

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NodeMCU v0.9

         A0      D0
        RSV   (5)D1 - SDS_TX
        RSV   (4)D2 - SDS_RX
        RSV   (0)D3 - BMP_SDA
        RSV   (2)D4 - BMP_SCL
        RSV     3V3 - BMP_VCC
        RSV     GND - BMP_GND
        GND      D5
        3V3      D6 - GEIGER_VIN
        GND      D7 - DHT_DATA
        3V3      D8
         EN      RX
        RST      TX

SDS_GND ?- GND GND SDS_5V ?- 5V 3V3

SDS011

  • TXD
  • RXD
  • GND
  • 5V

DHT22 VDD -> 3V3 DATA -> D7 -> GND -> GND

RadiationD GND -> GND 5V -> 5V VIN -> D6