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Subject: 
Magnetic sensor
Newsgroups: 
lugnet.trains, lugnet.robotics
Followup-To: 
lugnet.trains
Date: 
Fri, 22 Oct 2004 06:23:20 GMT
Viewed: 
178 times
  
I was reading posts in RTL and found one about a LEGO robotics summer camp selling a bunch of their stuff. They have a nice little magnetic field sensor on sale:

http://www.funrobotics.com/masekit.html

Putting one of these under a track could easily sense when a train was passing over, plus it wouldn’t be as bulky and conspicuous as a light sensor setup usually is.

Just thought I’d pass this info along. I’d buy one for myself, but I’m a purist. At least it looks like a real LEGO sensor. Now, if only LEGO would make one, too! The site has some other cool custom electrical parts, so check them out.



Message has 2 Replies:
  Re: Magnetic sensor
 
(...) OK, I ordered two but does anyone already own one that could comment on its use? Uses I could see would be a decoupler or crossing arms. With enough of them spaced throughout the layout (hooked in series with resistors to increase sensor (...) (20 years ago, 22-Oct-04, to lugnet.trains, lugnet.robotics, FTX)
  Re: Magnetic sensor
 
(...) Not being a purist, I ordered 5 of their magnetic sensor kits together with 20 of the short electric cables a while ago. The package that arrived contained the 5 magnetic sensors but only 6 of the electric cables. So I e-mailed them about the (...) (20 years ago, 6-Dec-04, to lugnet.trains, lugnet.robotics, FTX)

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