Re: TI-H: Scanning Sonar
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Re: TI-H: Scanning Sonar
Polaroid makes them, and I think Fujitsu does too but I'm not sure.
Couldn't IR proximity detectors be used instead? They would be alot
cheaper and the hardware is easy to find on the net. ...of course IR it
has its own problems...
Mj
>
>Uh; I'm curious; where did you get the sonar unit in the first place? I
>need to get one for the next robotic competition here.
>
>Muhammed Galadima wrote:
>
>> The speed of sound calibration part is easy: just do speed_sound =
331
>> +
>> 0.6 * temperature
>>
>> >Since TI85s don't have built in timers, I'd suggest an external 555
>> yes, that's great idea! but how can it be interfaced with the calc?
>> can
>> will Matthew's I/O expander do the trick?
>>
>> >you described and 2) a Terrain Style
>>
>> what do you mean by terrain style? is it elevations?
>>
>> >I'm still realtivly new to electronics but seems like a pic might be
>> >over-kill for a simplesend-time-stop-reset circut. If anybody could
>> >hardwire one of these things I'd probably pay.
>> >
>>
>> you're right, the PIC is definitely overkill
>>
>> Mj
>>
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