Now it is possible, I would like to set a Ruuvi tag temp sensor as alarm for my battery temperature.
As I have 2 x 230Ah lead acid batterys (24V), in 1 metal closed box, should I do:
- 2 sensors? 1 sensor on the top of each battery? or
- 1 Sensor at the centre of inside of the metal lid?
Thanks for your advise!