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Results tagged with Search options user 1075

A sensor (also called detector) is a converter that measures a physical quantity and converts it into a signal which can be read by an observer or by an (today mostly electronic) instrument.

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Expanding on the motion sensor idea: you could combine that with a door open/shut sensor or basically just a switch that detects when the door is open. After an open/shut event, you could detect if th …
answered Jun 22 '15 by Octopus
3
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All theory aside, circumferences and actual distances travelled will vary with your wheel geometry since your wheels aren't perfectly tangential to their direction of travel while turning. While Ian …
answered Apr 15 '14 by Octopus
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Here's a few ideas: Insert two bare wires as probes and measure the resistance between them. The resistance should drop dramatically once the liquid touches both sensors. Insert a sonar into one …
answered May 14 '15 by Octopus
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What about a flex sensor? Here's one for less than $10 at Sparkfun. Wherever there is tension there must also be flexsion in a crossmember of the kite or in the membrane. A little bit of experimentat …
answered Mar 8 '17 by Octopus
2
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Optical flow sensors (such as those used in computer mouses) are good for this situation. Most will give output in terms of translation. Alternatively, you can just use a basic camera and run some …
answered Jul 31 '15 by Octopus
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I'm pretty sure that a very basic IR proximity sensor would do the trick. Glass is opaque to all but visible light. IR (as well as UV) will not penetrate the glass and you ought to be getting reliable …
answered Mar 8 '17 by Octopus
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Primarily it will be GPS based. I have a Phantom 3 Pro and I have seen how the Go Home feature works. Before it returns to the x,y coordinates set as "home" it goes to a specific altitude. Presumably …
answered Dec 23 '15 by Octopus