enviroplus-homeassistant

Pimoroni Enviro+ MQTT publisher with Home Assistant Discovery written in Python. Uses pimoroni/enviroplus-python and the excellent paho-mqtt client.

Clone this repository to for example your home directory with

git clone https://github.com/EraYaN/enviroplus-homeassistant.git

Note you might need the package libatlas3-base installed with sudo apt install libatlas3-base for this to all work at runtime.

Installing with pip

pip3 install -r requiremnets.txt

Installing with poetry

The CFLAGS="-fcommon" is required because of the newer bundled gcc (10) for building rpi.gpio which piwheels does not build for python 3.9 that ships with bullseye.

CFLAGS="-fcommon" poetry install

SystemD unit

Run poetry run bash -c 'which python3' to get the python path in the virtual env. If you are using the system python it is most likely /usr/bin/python3 Add a new file /etc/systemd/system/enviroplus-homeassistant.service with the following content and replace the <tags>.

[Unit]
Description=Enviro+ MQTT Home Assistant
After=network.target

[Service]
ExecStart=<python_path> -m enviroplus_homeassistant <arguments>
WorkingDirectory=/home/pi/enviroplus-homeassistant
StandardOutput=inherit
StandardError=inherit
Restart=always
User=pi

[Install]
WantedBy=multi-user.target

and then

sudo systemctl enable enviroplus-homeassistant.service
sudo systemctl start enviroplus-homeassistant.service