Using the RK Royal Kludge keyboard configuration webapp on Linux PC

Okay today I managed to accidentally trigger “locked” function keys on my rather new M70 RK Royal Kludge. There is a modifier hotkey for this that I didn’t know of before (FN + LEFT CTRL) and I was lost for a hot minute how to turn it off again. Ah well, we’re still getting to know each other. Anyway, I know from a previous attempt that RKGaming offers a webapp to configure the keyboard (especially it’s macro keys) on https://drive.rkgaming.com/. This works to this date only in Google Chrome (Webserial in Firefox is coming though). Here we can click a button and connect to the wireless receiver and… nothing. Ah yes, we’re on Linux PC and random browsers shall not write to our hardware devices. This is in principle a good idea and I did encounter this before with my Viture XR glasses so I had an idea where to start poking. First things first: Confirming my theory I checked the browser console and sure enough it was not allowed to open the device: [HID] Selected device: 2.4G Wireless…