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Ilmajaam (Weather Station)

Concept

  • ATMEGA1284 based outdoor unit
  • Raspberry Pi based indoor unit

Outdoor

  • Outdoor unit measures:
    • temperature
    • humidity
    • air pressure
    • wind speed
    • wind direction
    • rain fall
    • snow depth
    • Atmega supply voltage
    • Solar charger voltage
    • current timestamp

Measuremnets are sent once per minute to the indoor unit over 2.4GHz radio link (nRF24L01).

Indoor

Indoor unit recieves messages, writes them log file. Using PyParsing log is parsed to SQlite database. Raspberry Pi is running Apache web server + PHP.