Tasmota, Home Assistant and temperature sensors

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freitasm

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#301895 13-Oct-2022 08:04

I am trying to get temperature and humidity information into Home Assistant so that I can integrate with Alexa.

Components:

Three Xiaomi temperature sensors flashed with custom firmware
ESP32 running Tasmota
Mosquitto MQTT as a Docker on Synology NAS
Home Assistant as a Docker on Synology NAS

Home Assistant can see Tasmota and load its data but it does not recognise the temperature sensors:

Tasmota seeing the Xiaomi sensors:

I feel something else is missing here. Any tips please?

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#2982167 13-Oct-2022 08:42

I haven’t tried with Tasmota, but ESPHome works really nicely if you wanted to give that a try if you’re not tied to Tasmota, I imagine the Bluetooth Proxy would be what you’re after https://esphome.github.io/bluetooth-proxies/

We should really get a home automation meetup happening in WLG!

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#2982169 13-Oct-2022 08:45

Dont have a direct answer for you but Im running Home Bridge on my Synology to get devices onto Home Kit. Ive had lots of success with Tuya devices and they show up in Home Bridge and Home Kit without any fuss.

Im running Netatmo with IFTTT at the moment but if I was replacing I'd probably gravitate to towards Tuya devices. There seem to be many Tuya wifi temperature sensors on Aliexpress (and even Dick Smith!)

freitasm

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#2982171 13-Oct-2022 08:54

@jnimmo: I haven’t tried with Tasmota, but ESPHome works really nicely if you wanted to give that a try if you’re not tied to Tasmota, I imagine the Bluetooth Proxy would be what you’re after

Thanks, might have to give it a try if no one else replies with a Tasmota-specific answer.

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davidcole

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#2982172 13-Oct-2022 09:06

Do you have mqttexplorer anywhere, or mosquitto_sub?

Also on the tasmota web page, have you got the mqtt page there to show us?

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shanes

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#2982173 13-Oct-2022 09:12

freitasm:

@jnimmo: I haven’t tried with Tasmota, but ESPHome works really nicely if you wanted to give that a try if you’re not tied to Tasmota, I imagine the Bluetooth Proxy would be what you’re after

Thanks, might have to give it a try if no one else replies with a Tasmota-specific answer.

I'm using ESPHome as well, works well, and no need for MQTT, I can share a config if you need it.

On the Tasmota front, I'm sure I've seen a Bluetooth discovery check box in the Integration, is it checked?

davidcole

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#2982174 13-Oct-2022 09:13

Unless you want to manuall create the sensors (which is fairly easy), this auto discovery option might help:

https://community.home-assistant.io/t/tasmota-xaomi-ble-temp-sensors/311314

The preceding posts in the thread to have some pointers to the manual mqtt config....but it would be based on what mqtt settings you had.

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freitasm

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#2982176 13-Oct-2022 09:17

Thanks. Leaving to the office now but will try these tonight.

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#2982180 13-Oct-2022 09:23

shanes:

freitasm:

@jnimmo: I haven’t tried with Tasmota, but ESPHome works really nicely if you wanted to give that a try if you’re not tied to Tasmota, I imagine the Bluetooth Proxy would be what you’re after

Thanks, might have to give it a try if no one else replies with a Tasmota-specific answer.

I'm using ESPHome as well, works well, and no need for MQTT, I can share a config if you need it.

On the Tasmota front, I'm sure I've seen a Bluetooth discovery check box in the Integration, is it checked?

Do you mean on Tasmota itself? Yes, that's how the sensors appear as per the screenshot. Or do you mean on the Home Assistant front?

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timmmay

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#2982185 13-Oct-2022 09:42

I can't help with Tasmota, but I have some Xiaomi temperature sensors working fine. I've written two tutorials that might be useful:

How to flash the Xiaomi temperature sensors (which I think you've already done)
Bluetooth XDO BT802 BT-802 and ZEXMTE Tutorial Home Assistant (how to use external bluetooth adapter I got from Amazon US with R.Pi4)

With the external Bluetooth with the external antenna the Xiaomi sensors work well through three walls across maybe 10m.

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#2982226 13-Oct-2022 11:44

I moved from stock firmware and a custom esp integration, to custom firmware and esphome Bluetooth proxy a month ago, and it's working well.

https://pvvx.github.io/ATC_MiThermometer/TelinkMiFlasher.html

https://esphome.github.io/bluetooth-proxies/

This removes the need for a mqtt server/client on HA for me.

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#2982230 13-Oct-2022 11:54

I tried the ESP32 bluetooth to WiFi proxy, it didn't extend range at all for me with one central WiFi access point compared with using a good quality USB Bluetooth adpater.

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rscole86

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#2982236 13-Oct-2022 12:02

Whereas I'm seeing a drastic improvement. But that could be due to the custom firmware too. I've gone from no updates for (sometimes) hours, to max 5 minutes between updates.

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#2982244 13-Oct-2022 12:36

Tasmota does have a Home Assistant auto-discovery option for HA & MQTT.

https://tasmota.github.io/docs/Home-Assistant

I have set up a few devices over the years using this - but once it's done, you don't touch it again, so the precise steps escape me for now.

Most recently, as I have a few ESP32 things I am tinkering with, I have been using ESP Home with that integration. It has made me think of converting some Tasmota devices tbh.

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#2982252 13-Oct-2022 13:26

davidcole:
Do you have mqttexplorer anywhere, or mosquitto_sub?

Also on the tasmota web page, have you got the mqtt page there to show us?

Second this - I run tasmota on multiple sensors with HA and the first step I've found needed is making sure the mqtt data is flowing. MqttExplorer works a treat, and will allow you to see that the topics are being sent.

I manually add all my sensors, it becomes much easier once you've got a couple up and running.

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#2982256 13-Oct-2022 13:37

Currently using ESPHome for my Xiaomi sensors - a mix of the older round ones and the newer square ones with the custom firmware.

As my HomeAssistant is running in a Podman Container image I'm using 2 x ESP32 devices to cover the house for data capture and it typically works very well.

Considering a move to the new BT Proxy based approach, but what I've got is very reliable and being able to see the sensor data via the ESP32 web frontend is really useful.

I don't use the EPSHome HA addon for my builds as I can run the tools locally under Linux.

Generally known online as OpenMedia, now working for Red Hat APAC as a Technology Evangelist and Portfolio Architect. Still playing with MythTV and digital media on the side.

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