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DPRG: BOUNCE dprglist@dprg.org: Non-member submission from ["Jeff Rush" <jrush@timecastle.net>]

Subject: DPRG: BOUNCE dprglist@dprg.org: Non-member submission from ["Jeff Rush" <jrush@timecastle.net>]
From: Jim Brown brownjim at airmail.net
Date: Fri Sep 17 23:38:12 CDT 1999

>Date: Fri, 17 Sep 1999 17:46:10 -0500
>From: owner-dprglist at dprg.org
>To: owner-dprglist at dprg.org
>Subject: BOUNCE dprglist at dprg.org:    Non-member submission from ["Jeff
Rush" <jrush at timecastle.net>]   
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>From: "Jeff Rush" <jrush at timecastle.net>
>To: "DPRG List" <dprglist at dprg.org>
>Date: Fri, 17 Sep 99 17:47:23 -0500
>Reply-To: "Jeff Rush" <jrush at timecastle.net>
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>Subject: Hobbyist Lab Suggestions?
>
>Hi, I live in Dallas (Richardson), am new to the list and will be attending
>my first DPRG meeting tomorrow.  My interest is in tiny robots, as in the
>size of a butterfly or small bird and I'm setting up a personal lab
>accordingly.
>
>I'm looking for a few items someone here might know where to get.
>
>1) hobby-grade digital weight scale for tiny weights; or perhaps
>    any ideas on using a strain gauge and a PIC chip to do it?  Its
>    the mechanics that get me down - I can do the electronics.
>
>2) hobby-grade digital microscope; in the news is that Mattel and
>    Intel have teamed to produce one for $89.95 this Christmas.
>    It uses USB to deliver its image data to a PC.  But surely with the
>    explosion of digital cameras it would be possible to build  a
>    nicer one.  Any recommended optics shops in Dallas?
>
>3) set of very fine metal/plastic rulers, as in the kind you could
>    place on a microscope stage and read next to the thing
>    you're measuring.
>
>4) building block single-dimension actuator; I need to move a
>    small 2"x2" test platform up-and-down somewhat precisely,
>    to measure magnetic field strength in one of my designs and
>    side-to-side in another experiment.  It seems a general use
>    block-on-the-end-of-a-screw-drive-under-PIC-control would
>    easy to find but no luck yet in the junk stores I've visited.
>    I have found *big* ones but I just need a 4" movement.
>
>I'm looking at using micro-magnetic fields to, say, flap the
>wings of an insert, with a hair-fine umbilical cable to the
>power and control circuits.  If anyone is interested, I can
>elaborate -- in the meantime I'm setting up a web page to
>detail the project and invite others to join in the fun.
>
>I'll be wearing a black "PYTHON!" (the programming language)
>t-shirt tomorrow if anyone should want to talk with me at the meeting.
>
>See ya'll there!
>
>Jeff Rush
>
>
>
>
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jim_brown at bigfoot.com jbrown at dprg.org http://www.cyberramp.net/~jbrown
Cole's Law:  Thinly Shreaded Cabbage

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