 | | Re: EE RF question
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Yes, that is what I'm trying to do. I think that this would eliminate interferance. Though the price is tethered operation. I guess it doesn't really have to be a coax. It can just be an RCA A/V cable right? Or how about a single wire! ---...--- (...) (25 years ago, 4-Aug-99, to lugnet.robotics.handyboard)
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| | Re: Fischer Technik parts
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Yup, I've boughten from Timberdoodle, and I believe their prices are a bit cheaper than most places, and yeah their service is better than most. --phil -----Original Message----- From: Mihalka, Michael <MihalkaM@marshallcenter.org> To: (...) (25 years ago, 4-Aug-99, to lugnet.robotics.handyboard)
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| | Re: EE RF question
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Pherd, It sounds as though he is planning on patching the output of a RF transmitter to the input of a RF receiver. 73's, Jose -----Original Message----- From: FThompson9@aol.com <FThompson9@aol.com> To: handyboard@media.mit.edu (...) (25 years ago, 4-Aug-99, to lugnet.robotics.handyboard)
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| | Re: IR sensors
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To blink LEDs at 40khz, you could try using the 555 timer. Radio Shack carries the 555 timer chip, a little booklet explaining how to use it, and any external components you need. In addition to the 555 chip, you'll just need three resistors and a (...) (25 years ago, 4-Aug-99, to lugnet.robotics.handyboard)
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| | Re: IR sensors
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I've been using the Miniboard to send and receive IR messages among other things. I find that the board is right on the edges of being fast enough to generate the 40KHz carrier and thus, I don't use it that way. Rather, I use the Miniboard to (...) (25 years ago, 3-Aug-99, to lugnet.robotics.handyboard)
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| | Re: EE RF question
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(...) I'm not to clear on what you are describing here. Generally speaking I would say yes, you can slap a piece of coax in without too much loss of function. But you really need to know what type of antenna your feeding, the radio's frequency, the (...) (25 years ago, 3-Aug-99, to lugnet.robotics.handyboard)
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| | RE: Fischer Technik parts
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Different places depending on where you live. If you live in the US, one place where you can buy many sets is www.timberdoodle.com (a home schooling site but extremely nice people). Otherwise try the mailorder parts service at www.knobloch-gmbh.de. (...) (25 years ago, 3-Aug-99, to lugnet.robotics.handyboard)
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| | Re: Fischer Technik parts
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(...) I have several of the sensor and walking robot kits for sale (unopened... brand new.. etc). They are identical to the ones you see at www.RobotStore.com only with a different box design. If you are interested, please contact me and maybe we (...) (25 years ago, 3-Aug-99, to lugnet.robotics.handyboard)
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| | New GCC-HC11 Compiler Patch (Aug 3, 1999)
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Announcing the latest patch to the gcc-2.8.1 compiler to add an HC11 compile target. The latest patches were submitted to me by Dean Huxley. I finished incorporating his fixes and the readme changes this morning at 1am. Changes include Pragma fixes (...) (25 years ago, 3-Aug-99, to lugnet.robotics.handyboard)
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| | Fischer Technik parts
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Where would one purchase Fischer Technik parts? (25 years ago, 3-Aug-99, to lugnet.robotics.handyboard)
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