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Old 01-23-2008, 04:13 PM   #1
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I have several ultrasonic transducers that I have no use for, and wish to offload. Anyone interested send me a PM. I know it'* kind of a weird thing...and most of you probably don't know wtf I'm talking about, lol, but ultrasonic transducers are used for things like proximity detection in alarm systems or in vehicles for obstacle detection systems. They're neat little things if you know what you're doing with them.

Mainly I brought this up, because I thought someone like DDalder would have the know-how and desire to implement a sophisticated obstacle detection system in his Bonnie.
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Old 01-23-2008, 08:24 PM   #2
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Funny you mention this because it'* a project I've been looking into. I'll contact you a little later about this.
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Old 01-23-2008, 08:34 PM   #3
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Uuuggg. They use those here at work in the automatic door openers which totally suck because theres several that I can hear chirping away. They make me want to rip them out the ceilings.
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Old 01-23-2008, 09:41 PM   #4
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Quote:
Originally Posted by ddalder
Funny you mention this because it'* a project I've been looking into. I'll contact you a little later about this.
OK, I'll hold onto them then. I have about 20 right now.

Popatim - you can HEAR them chirping? Interesting. Ultrasonic generally means that it is outside of humans hearing range. However, I suppose that is quite variable.
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