Shelly 1PM internal temp

[kin]

I recently migrated a Shelly 1PM to ESPEasy and currently trying to convert the voltage value of internal temperature provided on the analog input on ADC.
I found the formula for Shelly 2.5 from tasmota:
Adding Analog Temperature support for Shelly 2.5
https://git.koehlerweb.org/frodovdr/Son ... 18e6bb61a4
Now i am struggling to calculate it directly on ESPEasy, as the formula length is too long and also i am missing logarithm function.
So my question is if there is any option to convert the received voltage value to temperature directly on ESPEasy?
Any suggestions are greatly appreciated.
Thanks
Kin

[TD-er]

You could try to plot the function and see what usable range you need.
Simply drawing a straight line through the points at 25% and 75% of that range in temperature is probably a good estimate with the smallest error over that range.

Right now we don't have the log function in the rules.

[kin]

Thanks for the prompt reply.
Ok, than hopefully in some future releases this could be added in the source to have separate calculation for shelly devices.
Regards,
Kin