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 | | 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)
| | | | | 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)
| | | | | 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)
| | | | | 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)
| | | | | 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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