bartekl1 / rpi-thermometer

🌑 Raspberry Pi Thermometer

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🌑 Raspberry Pi Thermometer

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πŸ•‘ Changelog 🎁 Acknowledgements πŸ‡΅πŸ‡± Polish version of README

ℹ️ About

Available sensors

  • DS18B20 (temperature)
  • DHT11 (humidity)

Available functions

  • Measure current temperature and humidity
  • Save temperature and humidity to database
  • Simple website with current readings

πŸ‘¨β€πŸ’» Installation

  1. Connect the DS18B20 and DHT11 sensors to the Raspberry Pi.

  2. Clone repository

    git clone https://github.com/bartekl1/rpi-thermometer
    cd rpi-thermometer
  3. Create database and import structure from thermometer.sql file.

  4. Create configuration file named configs.json with the following content.

    {
        "host": "0.0.0.0",
        "mysql_user": "<mysql_user>",
        "mysql_password": "<mysql_password>",
        "mysql_database": "<mysql_database>"
    }

    Replace <mysql_user>, <mysql_password> and <mysql_database> with correct credentials.

  5. Install PIP dependencies.

    pip install -r requirements.txt
  6. Create /etc/systemd/system/thermometer.service file with the following content.

    [Unit]
    Description=Thermometer
    After=network.target
    
    [Service]
    WorkingDirectory=<PATH>
    ExecStart=/usr/bin/python3 <PATH>/app.py
    Restart=always
    User=<USERNAME>
    
    [Install]
    WantedBy=multi-user.target

    Replace <PATH> with path to the cloned repository and <USERNAME> with your system username.

  7. Start and enable created service.

    sudo systemctl start thermometer
    sudo systemctl enable thermometer
  8. Add following line to crontab (edit using crontab -e).

    */10 * * * * cd "<PATH>" && python3 save_to_database.py
    

    Replace <PATH> with path to the cloned repository. You can edit cron expression to change frequency.