Old 05-01-2008, 11:12 PM #1
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Default easy adjust spiro

Inspired by the small portable spiros showcased in this forum. Very simple to make and easy to use. The square mirrors are not ideal, and will be replaced. This technique http://www.metacafe.com/watch/107618...urface_mirror/ works very well. The last pic shows the components for the next version.
[img]http://i258.photobucket.com/albums/hh246/bucket*****/portaprojecta1.jpg[/img]
[img]http://i258.photobucket.com/albums/hh246/bucket*****/portaprojecta4.jpg[/img]
[img]http://i258.photobucket.com/albums/hh246/bucket*****/portaprojecta5.jpg[/img]
[img]http://i258.photobucket.com/albums/hh246/bucket*****/portaprojecta3.jpg[/img]
[img]http://i258.photobucket.com/albums/hh246/bucket*****/portaprojecta2.jpg[/img]
[img]http://i258.photobucket.com/albums/hh246/bucket*****/portaprojecta6.jpg[/img]


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Old 05-03-2008, 12:27 AM #2
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Default Re: easy adjust spiro

very compact, but where's all the electrical work
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Old 05-03-2008, 02:03 AM #3
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Default Re: easy adjust spiro

Quote:
Originally Posted by MarioMaster
very compact, but where's all the electrical work
I'm using a two motor differential speed control from a cheap R/C airplane, I removed it and the battery(4s NiMH) for clarity.
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Old 05-03-2008, 03:13 AM #4
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Default Re: easy adjust spiro

Very nice! Clean and functional.

How you will control the motors? With potenciometer, PWM...?

I give you a nice ideia... take a look in this link

http://www.hackaday.com/2008/05/01/h...l-synthesizer/

and use a transistor/FET and conect at 'out' and you have a simple PWM control.
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Old 05-03-2008, 06:14 PM #5
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Default Re: easy adjust spiro

Quote:
Originally Posted by Fred_DASP

I give you a nice idea... take a look in this link

http://www.hackaday.com/2008/05/01/h...l-synthesizer/

and use a transistor/FET and connect at 'out' and you have a simple PWM control.
Thanks for the link, thats perfect.
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