Robotics : 2781


Robotics / 2781	2780 \| 2782

Subject:	Re: Do it yourself light sensors. How does RCX drive them?
Newsgroups:	lugnet.robotics
Date:	Thu, 14 Jan 1999 15:08:16 GMT
Viewed:	927 times

lego-robotics@crynwr.com (Malcolm S Powell) writes: > I always thought you should put the dots where you want the really big > blobs of excess solder on the actual construction:-) I end up with big blobs everywhere. Anyway, I fixed the drawing the way I'd do it and stuck it on my page. If you want, you can grab it from there and use it yourself. http://ourworld.compuserve.com/homepages/Michael_Gasperi/lego.htm

Message has 2 Replies:

		Re: Do it yourself light sensors. How does RCX drive them?
(...) Thanks Michael. It looks great to me. I'll update my site as soon as I get the chance. Now I just need to add those extra blobs to the real thing... Malcolm -- Did you check the web site first?: (URL) (25 years ago, 14-Jan-99, to lugnet.robotics)

		Re: Do it yourself light sensors. How does RCX drive them?
Hi Michael. could you use a transistor to facilitate a more "active" (puns?) circuit and thus a faster changing CdS reading? I don't know where you'd get the current for the third leg of the transistor, though (...) ---...--- Zachary Bourk UCSD, EE (...) (25 years ago, 15-Jan-99, to lugnet.robotics)

Message is in Reply To:

		Do it yourself light sensors. How does RCX drive them?
(...) I always thought you should put the dots where you want the really big blobs of excess solder on the actual construction:-) ...but seriously, when I was a kid (chronologically speaking) schematics had no dots and little bridges where crossing (...) (25 years ago, 14-Jan-99, to lugnet.robotics)

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