Current value of gain: 00h = low gain (1x), 10h = medium gain (25x), 20h = medium gain (428x), 30h = high gain (9876x).
LUXnumber
Lux (or < 0 if overflow)
IRnumber
Infrared luminosity (raw count).
FULLnumber
Luminosity (raw count) of full spectrum (visible and infrared).
To use the node in your project you should have the wayland/tsl2591-light-sensor library installed. Use the “File → Add Library” menu item in XOD IDE if you don’t have it yet. See Using libraries for more info.