Byte map: value 5–10 ·
unit 11–13 ·
flags 3, 4, 14, 15.
Watch the warning-coloured bytes while you press LUX/FC, HOLD and MAX/MIN — that's how
you finish the flag decode.
Raw frames
GATT tree
Connect
Passive mode reads the value straight from the advertisement — no
connection, survives walking out of range and back. Needs
chrome://flags/#enable-experimental-web-platform-features.
Meter response time is 0.5 s; polling faster just repeats values.