Monday, September 02, 2013

Webmail Notifer, Linux Kernel Module

This is an update on the Webmail Notifier, a cheap chinese gadget that's nothing more than a RGB LED connected via USB. In this case, it's an especially cheap version that can only display 7 distinct colours, plus black (off).

Finally I was sufficiently annoyed to put the code into a “proper” kernel module (original module on Here's my patch that adds this particular LED gadget.

Here's the thing cycling through random colours:

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