kaginawa-payload-bme280-ccs811

kaginawa payload for bme280 + ccs811 sensing system.

Prerequisites

Hardware:

• SMBus-compatible Linux-based platform (e.g. Raspberry Pi)
• BME280 with I2C slave address 0x76
• CCS811 with I2C slave address 0x5b

Software:

• kaginawa
• Python 3
  • smbus library (pip3 install smbus or apt install python3-smbus)

Usage

/etc/systemd/system/kaginawa-payload.service:

[Unit]
Descriptiuon=kaginawa
After=network-online.target

[Service]
Type=simple
WorkingDirectory=/opt/kaginawa
ExecStart=/opt/kaginawa/main.py
Restart=always
User=kaginawa

[Install]
WantedBy=multi-user.target

Modify ExecStart as follows according to your configuration:

• BME280 + CCS811: main.py
• BME280 only: main-bme280-only.py
• CCS811 only: main-ccs811-only.py

systemd's registration:

sudo systemctl daemon-reload
sudo service kaginawa-payload start
sudo systemctl enable kaginawa-payload

kaginawa.json:

{
  "server": "xxx.com",
  "api_key": "xxx",
  "custom_id": "xxx",
  "payload_command": "cat /opt/kaginawa/payload.json"
}

Credits

bme280.py is based on SWITCHSCIENCE/BME280, licensed under the MIT license.

ccs811.py is based on adafruit/Adafruit_CCS811_python, licensed under the MIT License.

All programs are restyled with pycodestyle.

License

MIT License

Author

mikan