Add support for Arctic RGB Controller

Browse Source

The Arctic RGB controller support 4 RGB channel and can be controlled
over a CH341 USB-to-serial chip. The controller support two commands,
one for identifying the controller on a serial port and one for setting
the RGB values for each RGB channel. Since the controllers disables the
RGB channels after ~1s, a keepalive thread is used.

...

This commit is contained in:

500 Internal Server Error

Gitea Version: 1.28.0+dev-477-g8b6ad49a5f