Subject:
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Re: !!! Laser attachments for Mindstorms !!!
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Newsgroups:
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lugnet.robotics
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Date:
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Fri, 8 Oct 1999 16:39:32 GMT
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Viewed:
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683 times
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In lugnet.robotics, Richard Sutherland writes:
> In lugnet.robotics, Josh Yeager writes:
> > Hi all,
> > I am selling laser modules for Mindstorms. [SNIP]
>
> My initial thought was "Why?", but of course the next couple of posts
> displayed the creative energy of this group and contained several good answers
> to my question.
>
> For range finding using the laser wouldn't monitoring the intensity of the
> return be a fair indicator? Or perhaps pulsing the signal and counting not the
> time, but the number of pulses that exceed some threshold of intensity?
Pulsing the laser would be implemented with the "motor speed control".
>
> Aside from that, it would be fun to design a robot to track a moving object
> and project the laser light onto it. By having the RCX remember the initial
> light value from a well shielded directional light sensor, it could follow
> anything that came in front of the light sensor and disturbed that value. If
> you used two light sensors, or the differential light sensors out there, it
> would be even easier.
>
> Laser tag sounds like another interesting alternative. It would be difficult
> to 'score' a hit on another robot due to the narrow beam. Is anyone good
> enough at optics to elaborate on how the beam could be diffused into more of a
> cone shape?
How about just using it with mirror(s) and the light sensor as a tripwire?
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Message is in Reply To:
 | | Re: !!! Laser attachments for Mindstorms !!!
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| (...) My initial thought was "Why?", but of course the next couple of posts displayed the creative energy of this group and contained several good answers to my question. For range finding using the laser wouldn't monitoring the intensity of the (...) (25 years ago, 8-Oct-99, to lugnet.robotics)
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