RCX programmable brick : 2687


Robotics / RCX / 2687	2686 \| 2688

Subject:	Re: Custom sensor current drain - use two sensor ports?
Newsgroups:	lugnet.robotics.rcx
Date:	Thu, 30 Jun 2005 14:46:25 GMT
Viewed:	4124 times

In lugnet.robotics.rcx, Jonathan Wilson wrote: > > I now have a Mindstorms geiger counter. :-D > Wow cool, where are you going to obtain radioactive material (legally and > without gettting in trouble with the authorities) to test your counter? :) Uranium or thorium ores are easily found in mineralogic collections... very nice radio-sources ;o) Of course precise calibration is another story! See for example http://search.ebay.com/autunite_W0QQfkrZ1QQfromZR8 Philo

Message has 1 Reply:

		Re: Custom sensor current drain - use two sensor ports?
(...) Much easier than that - run down to the local camping store and buy some gas lantern mantles. Unless they've changed something in the last five years or so, they incorperate a reasonable amount of Th-232 which makes geiger counters click (...) (19 years ago, 30-Jun-05, to lugnet.robotics.rcx)

Message is in Reply To:

		Re: Custom sensor current drain - use two sensor ports?
(...) Wow cool, where are you going to obtain radioactive material (legally and without gettting in trouble with the authorities) to test your counter? :) (19 years ago, 30-Jun-05, to lugnet.robotics.rcx)

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