This might help someone.
I recently bought a smartlife thermometer and humidity (and siren) 3 in 1 sensor. My initial plan was to utilitise smartlifes scenes to trigger things, but out of interest I tried flashing the device with tasmota.
But unfortunately for me, there are no templates available for the unit.
However, using the tasmota interface, I set up a generic unit, enabled tuyaMCU, setup weblog 4 and found two Ids being transmitted - 105 and 106.
105, I believe after some testing is the temperature reading.
106, the humidity.
Not being completely savvy with tasmota (I asked for assistance on the tasmota forum just to have my question deleted…) I ended up mapping these values to tasmota 31 and 32 - which are watts and amps I believe. Temperature on 31, Humidity on 32.
A little bit of conversion in HA allows me to read these figures from the sensor.
Alas, the siren part of the setup is beyond my capabilities (and to be honest, I didnt need that functionality), but for those of you looking to find wifi, affordable, ways to monitor these values, this might be what you are looking for.
These devices range from about £16 from China, are all generic units with different branding. Just a caution, some are only advertised as sirens. Look for the 3 in 1.
Hope this helps someone.
and if anyone has any ideas on how to make tasmota indicate the values as temperature and humidity, please let me know!