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Subject: 
Re: Two piece light sensor.
Newsgroups: 
lugnet.robotics
Date: 
Mon, 1 Feb 1999 09:55:25 GMT
Original-From: 
Malcolm S Powell <msp@umbraNOSPAM.co.uk>
Viewed: 
1096 times
  
Hi Pam,

Well I finally succeeded.

I am glad you got it working and your split design is a nice touch. I
hope you spoke hashly to that dud resistor!

Regards

Malcolm

I have created two piece light sensor emitter
pair.  To do this I took the basic light sensor circuit of Malcolm S. Powell
(see http://www.umbra.demon.co.uk/sensor1.html) and broke it into two
pieces.  I built the emitter in one brick and the detector in another brick.

In the emitter brick I directly wired in a lego wire connector for the
connection to the RCX.  To connect to the emitter I cut a lego electric
plate in half and soldered the input wires to it and glued it to the top of
the detector brick.  For the emitter brick I soldered the inputs to the
other half of the electric plate and glued it to the bottom of the brick.
In this way if I want to create an integrated emitter detector pair I simply
snap the emitter on to the detector.  If I want to create a zero force bump
sensor I place the emitter and the detector bricks on either side of a gap
and connect them with a lego wire connector.
--
Did you check the web site first?: http://www.crynwr.com/lego-robotics



Message is in Reply To:
  Two piece light sensor.
 
Greetings, Well I finally succeeded. I have created two piece light sensor emitter pair. To do this I took the basic light sensor circuit of Malcolm S. Powell (see (URL) and broke it into two pieces. I built the emitter in one brick and the detector (...) (26 years ago, 30-Jan-99, to lugnet.robotics)

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