Re: TI-H: Infrared cable adapter
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Re: TI-H: Infrared cable adapter
>And i'll bet you guys didn't know I was reading everything you said...
Don't see why it matters. :)
>As
>for this, I'll agree that it's fairly simple to do...as is the garage door
>opener. The real joy would be building a keyless entry emulator. Walk into
>parking lot. Push button. Suddenly, 40 car alarms go off. Slowly, joy
>creeps into your heart, and you feel slightly guilty about it, but then you
>realize how much fun you're having.
Build a R2R DAC and connect it to a very poorly built/tunned transmitter.
Then put a random number generator behind the DAC. :)
>On Sat, May 08, 1999 at 01:54:44AM -0400, Nick wrote:
>>
>> Judging from my experience, it should be relatively simple to splice an
>> infrared LED to the TI-cable, perhaps with a transistor as a switch or even
>> direct, powered by the cable's own voltage. It would be easy then to
>> construct a complementary phototransistor link and thus optiplex the TI
>> calculators, like a laptop's IR port. Even if this is too tough, since the
>> output to the wire can be modulated (i.e., to produce sounds from the
>> port), wouldn't it be trivial to program the proper modulations to, say,
>> turn off your TV? Poof, instant universal remote. Someone, somewhere,
>> might have enough time on their hands to program in an entire library of
>> VCR & TV codes. If so, that person can be my friend.
>>
>> btw, same thing might work for garage door openers, as those are just
>> modulated carrier as well. Be the terror of your neighborhood! Write an
>> algorithm to cycle through all possible codes! Watch neighbors cringe in
>> fear at their possessed garage doors! Or, not. I don't care. It's just a
>> suggestion, anyway.
>> Control radio-controlled cars? Hmm.
>>
>> Now, if only TI-calcs had enough sound capabilities to do DTMF, geeks in
>> pocket-protectors would take over whole third-world countries.
>>
>> --nick
>>
>>
>> Nick Foster / zaphod@ici.net / Bistromath
>> Key ID 2048 / 770F6E8F
>> Fingerprint 9E 60 08 44 FB F2 C9 CE BE 74 08 87 2C 39 4B 6E 77 0F 6E 8F
>>
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