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hey -- how about a game card! that gives you digital (joystick
buttons) and analog (resistor readings).
fred
In your message you said:
> On Thu, 3 Feb 2000, Mike Reiling wrote:
>
> > I know this question does not really relate to the handyboard, but does
> > anyone know of a cheap PCI or ISA card for a PC to read analog or
> > digital values?
>
> For digital values, you can use a parallel port card, or even
> handshake lines on a serial port.
>
> For analog, you can again use a parallel port, and hook up an external
> A/D chip. As long as you're not trying to get too many bits of
> resolution this method works well (like say 8-bits). There are a lot
> of chips out there that have many input pins for A/D. You select
> ahead of time which input you want to take a sample on.
>
> You might also try looking in Nuts and Volts magazine for cheap
> PCI/ISA cards. That's a reasonably good place to find such things.
>
> Curt Mills, WE7U hacker.NO_*SPAM@tc.fluke.com
> Senior Methods Engineer/SysAdmin
> "Lotto: A tax on people who are bad at math." -- unknown
> "Windows: Microsoft's tax on computer illiterates." -- WE7U
>
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Message is in Reply To:
| | Re: Analog/Digital IO
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| (...) For digital values, you can use a parallel port card, or even handshake lines on a serial port. For analog, you can again use a parallel port, and hook up an external A/D chip. As long as you're not trying to get too many bits of resolution (...) (25 years ago, 3-Feb-00, to lugnet.robotics.handyboard)
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