3.9.21. led - control LEDs Usage

led LED VALUE Synopsis

Control the value of a LED. The exact meaning of VALUE is unspecified, it can be a brightness, or a color. Most often a value of ‘1’ means on and ‘0’ means off. Basic usage is ‘led <led> <value>’. LEDs can be given by name or number.

Without arguments the available LEDs are listed. Options

-b <led> [duration-on-ms] [duration-off-ms]
blink a LED
-f <led> [duration-ms]
flash a LED