duty cycle 0-1.
if close to 0 then led off.
if close to 1 then led on.
else blink led with square wave of frequency and duty cycle.
freqnumber
frequency of square wave
To use the node in your project you should have the dpinsley/led-patch-test library installed. Use the “File → Add Library” menu item in XOD IDE if you don’t have it yet. See Using libraries for more info.