The nRF connect closes the connection after 2-3 seconds that why I suspect the miflora tries to save energy, it seems that you have to write to a characteristic first, then you could get the real values, otherwise it only return zeroes.
Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
The nRF connect closes the connection after 2-3 seconds that why I suspect the miflora tries to save energy, it seems that you have to write to a characteristic first, then you could get the real values, otherwise it only return zeroes.
https://wiki.hackerspace.pl/projects:xiaomi-flora