Originally Posted by
neric
I would like to have an LED indicator driven from the STEP output of my CNC controller so I will have visual feedback of axis movement I have tried some NE555 pulseting logic probe based circuites while they worked to some extand I never got enough lumination (brightness) from the LED and the results were far from what I needed.
I suspect the pulse rate is too fast for the LED to indicate usefully that is why they are not illuminating as pulses.
I more ideal way is a simple rate counter in the form of a digital display.
What is the reason you want to know the pulse rate?
Al.
CNC, Mechatronics Integration and Custom Machine Design
“Logic will get you from A to B. Imagination will take you everywhere.”
Albert E.