RandomBlink<MILLIHZ, COLOR1, COLOR2> RandomBlinkX<MILLIHZ_CLASS, COLOR1, COLOR2> RandomBlinkL<MILLIHZ_CLASS, COLOR1>
Each LED is randomly chosen as COLOR1 or COLOR2, then stays that color for 1000/MILLIHZ seconds.
https://github.com/profezzorn/ProffieOS/blob/6f8add544c627172ad2dd698c90e5e55078a420a/styles/random_blink.h#L4