RCX programmable brick : 2686


Robotics / RCX / 2686	2685 \| 2687

Subject:	Re: Custom sensor current drain - use two sensor ports?
Newsgroups:	lugnet.robotics.rcx
Date:	Thu, 30 Jun 2005 13:40:09 GMT
Viewed:	3909 times

> 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? :)

Message has 2 Replies:

		Re: Custom sensor current drain - use two sensor ports?
(...) 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 (URL) (19 years ago, 30-Jun-05, to lugnet.robotics.rcx)

		Re: Custom sensor current drain - use two sensor ports?
(...) Watches with glow-in-the-dark spots on them are a radioactive source. Brian Nielsen (19 years ago, 7-Jul-05, to lugnet.robotics.rcx)

Message is in Reply To:

		Re: Custom sensor current drain - use two sensor ports?
(...) I take it all back. I'm so brilliant that I found a way to make a (rather large) change to the circuitry that brought things under the limit. Ok, ok, forgive my indulgent self-back-patting, but I'm pretty bouyant right now - everything is (...) (19 years ago, 30-Jun-05, to lugnet.robotics.rcx)

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