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(...) No, you are correct. The sonar parts that Digikey and All Electronics and others offer are just the sensor and transducer. Polaroid seems to make a package with all ranging electronics included. I read an article (by Chuck McManis if memory (...) (28 years ago, 18-Nov-96, to lugnet.robotics.handyboard)
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| | Re: catalogs and sonar devices
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(...) Digikey 800-344-4539 (28 years ago, 18-Nov-96, to lugnet.robotics.handyboard)
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| | Re: sonar
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(...) I think I found your treasure. It's under "Audio, Buzzers, Microphones, Speakers..." right? ...Panasonic ceramic devices? This is my input: I have a Polaroid unit. This is what it looks like. There is ONE transducer and a ranging (...) (28 years ago, 18-Nov-96, to lugnet.robotics.handyboard)
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| | IR communication
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I want to get five handyboards to talk to each other using infrared transmission... I use infrared transmitter/receiver reflectance sensors for other things... 1) What parts (I need distributer and part number) do I need to get and can I hook up 4 (...) (28 years ago, 17-Nov-96, to lugnet.robotics.handyboard)
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| | Re: sonar
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you can get similar units from all electronics corp. for $2.50/pair. there was an issue of the robotics practitioner magazine that gave circuits for using them with the time-of-flight ranging method. colby --- Garth Webb wrote: I was paging through (...) (28 years ago, 17-Nov-96, to lugnet.robotics.handyboard)
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