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BMP390 sensor

  • Leave the CS and SDO pins unused for I²C use.
  • Address jumper
    • addr - This is the jumper for selecting the I²C address.
    • The standard I²C address (MeshCom default)
      if this jumper is disconnected - is 0x77.
    • After short-circuiting, the I²C address is 0x76.
  • Connect sensor to I2C bus
    • Supported are the ESP32 modules
      • TBEAM, SP32-E2
        • I2C pins (like display), attention at 3.3V connect the VDD
      • TLORA T3_V1.6.1
        • VIN...PIN 3.3V, GND...PIN GND, SCL...IO22, SDA...IO21
      • HELTEC-V2
        • VIN...PIN 3.3V, GND...PIN GND, SCL...IO15, SDA...IO4
      •  HELTEC-V3
        • VIN...PIN 3.3V, GND...PIN GND, SCL...IO42, SDA...IO41
      • HELTEC E290
        • VIN...PIN 3.3V, GND...PIN GND, SCL...IO38, SDA...IO39
      • TLORA T3_V1.6.1
        • VIN...PIN 3.3V, GND...PIN GND, SCL...IO22, SDA...IO21
  • The sensor must be connected to
      • --390 on
      • be activated. Do not forget to reboot.
      • --390 off switches off the use completely
  • The data can be transferred via serial console or APP with
      • --weather
      • --wx
      • are queried
  • Activate debug information via serial console
    • --wxdebug on provides additional information via the serial console as an installation aid

 

  • Connections
    • I2C - address 0x77