This is a very simple but useful project, strobe navigation lights for rc airplanes, or you can adjust the flashing time and make it a warning light for a forklift or even a turn signal light for a ...
Odds are, if you like neon lights, you’re not thrilled with the LED faux-“neon” strips that are supposed to replace them.
b) Sysfs group to control rgb, fade, hsb, scripts ... This extended interface is available as folder blinkm in the sysfs folder of the I2C device. E.g. below /sys/bus ...