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'[OT] Spinning LED Display'
1999\09\08@162426 by l.allen

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In light of the numerous spinning or motor clocks that have been
discussed or linked on this list I thought it might be of interest
mention a commercially available spinning sign.

YES its a Frizbee!

A toy shop here is selling a 7 led frizbee that writes 24 characters
around its circumference when spun in flight for NZ$24 (about US$15).
I don't know anymore details until I go and investigate further but
the ad does say its programable.

Toys... maybe thats where the money is?

_____________________________

Lance Allen
Technical Officer
Uni of Auckland
Psych Dept
New Zealand
_____________________________

1999\09\08@164357 by paulb

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Lance Allen wrote:

> A toy shop here is selling a 7 led frizbee that writes 24 characters
> around its circumference when spun in flight for NZ$24 (about US$15).

 Lithium batteries?  Contains a PIC?

> I don't know anymore details until I go and investigate further but
> the ad does say its programable.

 I wonder if it has a mechanism (e.g., light sensor) to determine its
rotational rate and keep the image steady?

> Toys... maybe thats where the money is?

 In a sense, it *always* is...
--
 Cheers,
       Paul B.

1999\09\08@170241 by Andy Kunz

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>  I wonder if it has a mechanism (e.g., light sensor) to determine its
>rotational rate and keep the image steady?

A simple gyro will do it.

Andy

==================================================================
Eternity is only a heartbeat away - are you ready?  Ask me how!
------------------------------------------------------------------
spam_OUTandyTakeThisOuTspamrc-hydros.com      http://www.rc-hydros.com     - Race Boats
.....andyKILLspamspam@spam@montanadesign.com  http://www.montanadesign.com - Electronics
==================================================================

1999\09\08@171906 by paulb

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Andy Kunz wrote:

> A simple gyro will do it.

 Oxymoron?
--
 Cheers,
       Paul B.

1999\09\08@203330 by Anne Ogborn

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> A simple gyro will do it.
>
> Andy
>

Sounds painful to load the gyro aboard.
This is an aerospace vehicle app.
light sensor seems easier.

1999\09\08@203913 by Anne Ogborn

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Using varying light intensity to detect roll is a standard
trick for rocketry types.

--
Anniepoo
Need loco motors?
http://www.idiom.com/~anniepoo/depot/motors.html

1999\09\08@232018 by Andy Kunz

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>Sounds painful to load the gyro aboard.
>This is an aerospace vehicle app.
>light sensor seems easier.

I have a gyro that fits on top of a dime.

Are you still interested in those 1000 PICs?

Andy


==================================================================
Andy Kunz               Life is what we do to prepare for Eternity
------------------------------------------------------------------
andyspamKILLspamrc-hydros.com      http://www.rc-hydros.com     - Race Boats
.....andyKILLspamspam.....montanadesign.com  http://www.montanadesign.com - Electronics
==================================================================

1999\09\09@103900 by Tom Handley

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  Annie, we use to use LDR's with a small hole punched in the rocket
body tube and a clear cover. This modulated a simple AM transmitter
and the tone was recorded on a cassette tape (ie: `ancient' telemetry).

  - Tom

At 05:35 PM 9/8/99 -0700, Anne Ogborn wrote:
>Using varying light intensity to detect roll is a standard
>trick for rocketry types.
>
>--
>Anniepoo
>Need loco motors?
>http://www.idiom.com/~anniepoo/depot/motors.html


------------------------------------------------------------------------
Tom Handley
New Age Communications
Since '75 before "New Age" and no one around here is waiting for UFOs ;-)

1999\09\09@221516 by Anne Ogborn

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Andy Kunz wrote:
>
> >Sounds painful to load the gyro aboard.
> >This is an aerospace vehicle app.
> >light sensor seems easier.
>
> I have a gyro that fits on top of a dime.
>

And is cheap enough to put in a toy?  Cool!!!
Tell us about it!!!

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