Subject:
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Re: Homebrew Hardware Help
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Newsgroups:
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lugnet.robotics
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Date:
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Fri, 4 Feb 2000 14:31:42 GMT
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Viewed:
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1993 times
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Simon Bogaert <lego-robotics@crynwr.com> wrote in message
news:000501bf6e94$40783c60$45ce0ac2@sibo...
> I am working on a (very) simple controller that simply switches the power • to
> a motor on or off. As a housing, I use the small 9V battery box, the one
> with the grey switch. I need to hook up six connectors, so I'll need to
> isolate the 'electric' dots on top of the box. Therefore, I need to • create
> a space every two 'electric' islands. How can this best be done? I've • read
> about people doing this with a simple knife, but aren't there any other
> (more comfortable) ways to do this?
Not that I know of. I've never cut the conductors in a 9V box, but it isn't
that hard to cut the ones in electric plates with an xacto knife.
>
> Since cutting up the electric plates at the inside only provides one • contact
> point, I need to replace six LEGO dots with brass ones. Because I didn't
> find a brass tube of 4.8 mm (the size of a Lego dot), I use one of 4 mm.
> Now I wanted to know how to glue these tubes to the LEGO plastic; I know
> there was a discussion about this some time ago, but that was about gluing
> plastics to plastics. I also heard that soldering a wire to the tubes
> "melts" the plastic around them, but with me, It didn't work.
I'd use 4/40 brass screws. Totally remove the LEGO pin and drill a hole to
the right diameter for the screw. Then you could connect a small ring lug
and nut on the bottom.
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Message is in Reply To:
 | | Homebrew Hardware Help
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| Hello folks, I am working on a (very) simple controller that simply switches the power to a motor on or off. As a housing, I use the small 9V battery box, the one with the grey switch. I need to hook up six connectors, so I'll need to isolate the (...) (25 years ago, 3-Feb-00, to lugnet.robotics)
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