 | | 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: (...) (27 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 (...) (27 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 (...) (27 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 (...) (27 years ago, 3-Aug-99, to lugnet.robotics.handyboard)
| | | | | 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 (...) (27 years ago, 3-Aug-99, to lugnet.robotics.handyboard)
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