 | | IR wall detection —Keith the wonder wookie
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| | | I have recenty perfected a simple sensor using the Sharp IR detector but I need some help in interfacing it. I plan on having about 16 sensors all around the perimiter of the robot but I don't want to have them running all at the same time because (...) (28 years ago, 14-Jan-97, to lugnet.robotics.handyboard)
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| | | | | Re: IR wall detection —Richard Vannoy
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| | | | | (...) Could you tell me the cost & range for these? (...) Could you trigger them in an interleave-like sequence? Seems that would reduce interference to just about zero. If you number 1-2-3 starting at zero degrees and going clockwise, you could set (...) (28 years ago, 14-Jan-97, to lugnet.robotics.handyboard)
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| | | | | Re: IR wall detection —Matt Harlan
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| | | | Keith, Try an LM567. It's a tone decoder with PLL and VCO. Basically set the internal freq. of the 567 any where between .01 Hz up to I think 500 kHz. Feed a signal into the 567 and if the freq's match up, the 567's output goes low. I've been (...) (28 years ago, 16-Jan-97, to lugnet.robotics.handyboard)
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