RCX programmable brick : 2656


Robotics / RCX / 2656	2655 \| 2657

Subject:	Real-world interfacing to RCX: LEDs and magnetic sensor
Newsgroups:	lugnet.robotics.rcx
Date:	Tue, 7 Jun 2005 23:59:45 GMT
Viewed:	3752 times

I would like to be able to drive one or two banks of 7-8 LEDs off of the motor ports on the RCX. I know that there is a winker board that senses the motor level to determine what pattern to display. Can this be accomplished otherwise? I also want to use a magnetic sensor to calculate the RPM of a motor... can the RCX respond quick enough to sense 5000-10000+ switch closures per minute? Thanks! Dave Pyatt dcpyatt@jclay.com

Message has 1 Reply:

		Re: Real-world interfacing to RCX: LEDs and magnetic sensor
(...) The motor outputs give a square wave of 1/8 up to 8/8 of a cycle. You can use a counter running at 8x the cycle frequency to measure how many eighths the output is giving, and light an LED accordingly. For the magnetic sensor, I suggest (...) (19 years ago, 9-Jun-05, to lugnet.robotics.rcx, FTX)

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