This is a simple script to control Q-Light ST Series USB Tower Lights. Their provided SDK only works on Windows, but the protocol is simple enough.
This uses the Rust Hidapi Crate which only works on Mac, Windows and Illumos.
I'm making this for me and my friends, so maybe Windows will be added some day if they want that.
The lights themselves don't have USB Serial Numbers so it's a pain in the butt to control multiple of them.
You can use qlight list to get the list of lights attached based on Pid/Vid.
To set the colors, use qlight set. The CLI help should be self explanitory.
Haven't implemented control over the sound buzzer yet. The library might eventually be published too.