mitempmqtt v1.0.0

Get temperature and humidity from Xiaomi Mijia flashed with https://github.com/pvvx/ATC_MiThermometer and send them to a private MQTT server (via ssh tunnel OR not)

I built this project as I can't get in range of all my bluetooth sensors from anywhere, but I do have a bunch of Raspberry PIs that I also use for other stuff. Multiple instances of this project on multiple devices MAY connect to the same sensors, but this means that you should always get an up to date state for that sensor so, all good.

Another good advantage of using this tool is that once you flash your devices and add them to sensors.ini you set it and forget it, especially since the MQTT Discovery option in HA.

What it uses

MiTemperature2 / ATC Thermometer version 5.0 https://github.com/JsBergbau/MiTemperature2#readme in mitemperature container that colects data from mitemperature/sensors.ini and sends it to a MQTT server
ssh (will be changed to autossh) using supervisor in portforward to create a portforward for the MQTT broker
bluetooth

Tested on

Debian GNU/Linux 11 (bullseye) 64 bits
Raspberry PI4 - Raspian OS Lite 32 bits

Configure and Run

.env

Copy .env.dist to .env and configure as follows

The GATEWAY to the MQTT broker. eg: "root@192.168.68.64 -p 2220" if you want to create a ssh tunnel to that ip address. MAKE SURE YOUR HOST ~/.ssh/id_rsa is allowed to connect to that host OR you can use GATEWAY=off if the MQTT broker is running locally
PORTFORWARD is the actual link that needs to be created. If you don't want to edit mitemperature/mqtt.conf you need to forward this to port 1883. eg: "PORTFORWARD=1883:localhost:1883"

sensors.ini

In ./mitemperature you have sensors.ini.dist, copy this to ./mitemperature/sensors.ini and configure accordingly. PS: I also use this repo to remember mine, so make sure this correctly reflects your setup!

How to run?

Easy docker-compose up -d and if you preconfigured all of the above you're gold!

Easier version?

If you just want this to run along side a Home Assistant container, checkout docker-compose.yml.sample.ha.yml - setup just your sensors.ini and you're good to go!

You don't want to use docker compose?

docker run -d \
  --name mitemperature \
  --restart always \
  --network host \
  --privileged \
  -v $(pwd)/mitemperature/sensors.ini:/sensors.ini \
  tanasecosminromeo/mitemperature:latest

How to use in Home Assistant

Install an MQTT broker (or add to this container, I may add a version here too using mosquitto broker https://hub.docker.com/_/eclipse-mosquitto )
Add MQTT Integration

Home Assistant - Option 1 - MQTT Discovery

Now Home Assistant accepts MQTT Discovery and I have amended app.py (LYWSD03MMC.py from https://github.com/JsBergbau/MiTemperature2) to automatically configure your sensors IF callback=homeassistant is present for the sensor definiton

If you do not want your sensor to be automatically discovered in home assistant, remember to remove that line or write no (or anything else for that matter)

As easy as that!

Home Assistant - Option 2 - Manual usage

Setup sensors

Example of sensors.yaml

- platform: mqtt
  name: "Bedroom Temperature"
  state_topic: "mitemp/bedroom"
  unit_of_measurement: "°C"
  value_template: "{{ value_json.temperature }}"
- platform: mqtt
  name: "Bedroom Humidity"
  icon: "mdi:water-percent"
  state_topic: "mitemp/bedroom"
  unit_of_measurement: "%"
  value_template: "{{ value_json.humidity }}"

tanasecosminromeo / mitempmqtt