Edmund Scientifics sale on (SALE OVER)
If you wanted some AC fan speed controllers, now's the time - they're $1.02 (figures I'd have all I need already)
Speed Control for 115V Fans Note not for sale by me - just something I ran into... |
Perfect timing... Thanks!
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Ordered 3.
Ordered 3.
I've been eying this item for a while, thanks Bob! |
Does that just decrease the voltage, or can it actually alter the frequency?
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I'll find out when I get 'em! ;)
(I wouldn't count on a frequency change though; it's a pretty small package) |
Quote:
Well? [Now post is at least 10 chars] |
I got them.
It's a simple circuitboard, 1" x 1", wrapped in a clear plastic. Since you're interested, I'll pick one apart, and report results. |
Looking forward to your report as well.
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Finally!
I've got a pic of the unit: http://wbta.us/bigben2k/Ac-controller.JPG It's a rather simple circuit. Note the trimpot on the bottom left. I'll try to run some tests shortly; I've got a spare AC fan begging for this. |
Awesome, thanks for the update.
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Sale's back on - and $1.02 again...
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How did the testing go?
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No testing yet. I'll have to slap something together tonight, for everyone's benefit, and report tomorrow.
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bigben2k
That looks like the controller on which I did some testing for you. Look up my thread “Taming my Comair Rotron”. In there you will se the testing I did. It was near the end of the first page. |
That would be this thread.
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Yep, that's the one.
Sorry, I've been working on too many things lately to keep up with this. I'll try to make some time for it. |
Thanks Brians256 I forgot to put the link in the post.
And yes the controller does change the AC voltage to change the RPM of your fan. |
Thanks for the link. :)
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