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Re: Reporting Data 1-Way-Out?
To: winston19842005
From: Michael.J..Mahon@familynet-international.net
winston19842005 wrote:
>
>
> On 5/27/08 4:42 AM, in article Jt-dnczPP_HgVKbVnZ2dnUVZ_ofinZ2d@comcast.com,
> "Michael J. Mahon" <mjmahon@aol.com> wrote:
>
>
>>winston19842005 wrote:
>>
>>>
>>>On 5/23/08 10:25 AM, in article 4lkd345o0oqjv052od187ggik2nl5anos0@4ax.com,
>>>"Steve ][" <sc-ii@hotmail.com> wrote:
>>>
>>>
>>>
>>>>I think I have found what I'm looking for. Vernier has a legacy
>>>>product called a "Serial Box" that connects to a serial port and can
>>>>take different kinds of (Vernier?) sensors, do the A->D work, and then
>>>>pump it to the serial port. I have not yet seen how to to serial port
>>>>programming via the ToolBox, but that's for another newsgroup post, I
>>>>think this went pretty OT as it is.
>>>>
>>>>Thanks all!
>>>>
>>>>
>>>
>>>Maybe - perhaps. But it was a fun read!
>>>
>>>I always wanted to get one of those X10 systems for my TI... and there were
>>>some a->d cards available (early on)...
>>
>>And they still show up on eBay from time to time.
>>
>>But for making 8-bit measurements of *slowly changing* quantities,
>>it's often quite easy to interface sensors to the game port.
>>
>>That makes taking a reading as easy as using the PDL() function,
>>and plotting and communication are very simple exercises.
>>
>>Broderbund made products and Vector made a business out of interfacing
>>simple sensors to the game port--it's a shame that people don't seem to
>>appreciate its versatility and simplicity.
>>
>>In my book, technical elegance = function / complexity. You don't
>>get a high score by shooting for a complex solution to a simple
>>problem. ;-)
>
>
> That's terrific for Apple computers, but TI's have a digital joystick port.
> So it would take some additional logic of some kind anyway...
>
> Of course, this was back in the day before I owned an Apple. I have a couple
> of //e's and a //c.
I see. I think you'll find the Apple //e much easier to interface with sensors
and other devices. The IIc is less versatile because it does not provide
digital outputs on its joystick/mouse port.
Of course, almost all computers support serial port(s), but interfacing a
sensor or device to a serial port means using an external computer, usually a
microcontroller.
-michael
AppleCrate: An Apple II "blade server"! Home page:
http://members.aol.com/MJMahon/
"The wastebasket is our most important design tool--and it's seriously
underused."
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