 | | Re: mouse —Jasper Janssen
| | | | (...) Personally, I've never been able to figure out just jow a mouse does that, either :) Jasper (26 years ago, 23-Jan-99, to lugnet.robotics)
| | | | | | | | | | Re: mouse —Ben Laurie
| | | | | | (...) You have a wheel with spokes and two sensors close to each other (relative to the spoke distance) - if the sensors go A pause B long pause A pause B then you are going one way, and if they go A long pause B pause A long pause B then you are (...) (26 years ago, 24-Jan-99, to lugnet.robotics)
| | | | | | | | | | | | | | Re: mouse —Jasper Janssen
| | | | | | | (...) Hmm, this is odd... the mouse I'm using to write this, has the holes quite equidistant. However, it does have two pairs of sensors/wheel. It's a genius Mousetoo, BTW, which I rather like and so never stopped using :) Ohmygod.. I just (...) (26 years ago, 24-Jan-99, to lugnet.robotics)
| | | | | | | | | | | | | | | | Re: mouse —Ben Laurie
| | | | | | | (...) The point is that the _sensors_ are close to each other. It matters not what the holes look like... Cheers, Ben. -- (URL) grandfather once told me that there are two kinds of people: those who work and those who take the credit. He told me to (...) (26 years ago, 24-Jan-99, to lugnet.robotics)
| | | | | | | | | | | | | Re: mouse —Ray Kelm
| | | | | Quadrature encoding. Essentially, there are two light sensors on the rotating disk, which are placed at distance such that when you rotate one direction, you get the following two waveforms: -- ---- ---- ---- ---- ---- ---- -- and when you rotate (...) (26 years ago, 25-Jan-99, to lugnet.robotics)
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