USB ambient light sensor support? (+ contrast slider idea)

[Tomtim1]

Hi!
I'm a happy user of Twinkle Tray since this month. I've used Eizo displays for past 8 years and now I bought iiyama's that sadly don't come with ambient light sensors to control brightness, what a shame! I was wondering if it would be possible to add support for a cheap usb light sensor? VEML7700 + Arduino nano for example? (both could be bought on Aliexpress for about $6 total). What do you think?

1.16.0 introduced almost everything I could wish for! Ability to control contrast with brightness is amazing feature, but I think it needs one more thing. My Eizo could drop brightness to as low as 0,5lux, iiyama sadly can't. It would be amazing to have two sliders in contrast control: the current one as it is, and second, for from what brightness percentage it should kick in.

//f.lux software have a handy shortcut - left alt + page down. It lowers brightness somehow but it must do it slightly different than just lowering contrast because lowering contrast to the same "brightness" level for my eyes washes colors more than f.lux. But it's just a little interjection.

So my idea for these sliders would be something like that:
Brightness 100->10% - don't touch contrast
Brightness 10->0% - contrast 80% (my factory default in iiyama) to 50%

Combined with ambient light sensor I could get back what I had in Eizo :D

Great software!