mfontana@eniac.seas.upenn.edu (Mark A Fontana) (03/30/91)
Hi all,
I've got one of those "multi-IO" cards in my 386 box, and one of the
connectors is a game port. Is it possible to do anything with this game
port other than use joysticks, etc?
There are two analog inputs (resistance), correct? Suppose I connect
a photocell across one and the temperature probe from a microwave oven
across the other; would I then be able to read the room temperature and
light intensity (assuming I've worked out the scaling of values)?
Could someone mail me a list of the pin descriptions for the game port?
Is it possible to OUTPUT anything through the game port?
...anything else I should know?
- Mark Fontanamcovingt@athena.cs.uga.edu (Michael A. Covington) (03/30/91)
You can measure resistance from about 0 to 200K (which is what a joystick is), or current from 0 to some few mA, or various other things. Also, you *can* output through a game port, in an odd way: when the joystick positions are sensed, a pulse appears. I did an article about game ports for PC Tech Journal around 1985. This should be in your library. It's just the beginning, but it does give some nice temperature- and voltage-measuring circuits. Oh, by the way, you have +5V and ground at the game port connector. You could power all sorts of peripherals with it. -- ------------------------------------------------------- Michael A. Covington | Artificial Intelligence Programs The University of Georgia | Athens, GA 30602 U.S.A. -------------------------------------------------------
ferguson@maitai.SRC.Honeywell.COM (Dennis Ferguson) (03/31/91)
In article mumble mumble mfontana@eniac.seas.upenn.edu (Mark A Fontana) writes: > > I've got one of those "multi-IO" cards in my 386 box, and one of the >connectors is a game port. Is it possible to do anything with this game >port other than use joysticks, etc? > There was an article in Byte several years back on how to turn your PC game port into a 500kHz oscilloscope. A small external board was required (a couple of op amps I recall). Dennis
panders@hubcap.clemson.edu (Paul F. Anderson) (04/01/91)
I also have been wondering about the possible uses of a game port. I need an explanation of the pin outs and the expected range of impedence. The pin outs as supplied in my 1/2 page of documenation are: DB15S PIN +5V 1 Button 4 2 Position 0 3 ground 4 5 is not listed?! position 1 6 button 5 7 +5V 8 +5v 9 button 6 10 position 2 11 ground 12 position 3 13 button 7 14 +5vdc 15 Thanks for any info. panders@hubcap.clemson.edu paulf@cs.clemson.edu panders@clemson.clemson.edu (checked regularly - twice a year) -- panders@hubcap.clemson.edu paulf@cs.clemson.edu panders@clemson.clemson.edu (checked regularly - twice a year)
larry@fungus.UUCP (Larry Ng) (04/02/91)
mfontana@eniac.seas.upenn.edu (Mark A Fontana) writes: > There are two analog inputs (resistance), correct? Suppose I connect > a photocell across one and the temperature probe from a microwave oven > across the other; would I then be able to read the room temperature and > light intensity (assuming I've worked out the scaling of values)? > > Could someone mail me a list of the pin descriptions for the game port? > Is it possible to OUTPUT anything through the game port? Hey, I was thinking of that too! (Great minds think alike? ;-) Could someone also send me those list of pin descriptions please? ********************************************************************* Group :Fungal Growth Engineering and Testing Range Location :Toronto, Ontario, Canada (44x N/79x W) Organization :Fungal Growth Club of Canada UUCP Address : ...uunet!mnetor!hybrid!spocom!fungus!larry or : larry@fungus.UUCP Ancient Chinese-Canadian Curse: May a 7% tax be on everything you see, eat and hear.
cpawn@marlin.jcu.edu.au (Andrew W Nicholson) (04/04/91)
In article <q52RZ1w164w@fungus.UUCP> larry@fungus.UUCP (Larry Ng) writes: >mfontana@eniac.seas.upenn.edu (Mark A Fontana) writes: > >> There are two analog inputs (resistance), correct? Suppose I connect >> a photocell across one and the temperature probe from a microwave oven >> across the other; would I then be able to read the room temperature and >> light intensity (assuming I've worked out the scaling of values)? >> >> Could someone mail me a list of the pin descriptions for the game port? >> Is it possible to OUTPUT anything through the game port? > >Hey, I was thinking of that too! (Great minds think alike? ;-) >Could someone also send me those list of pin descriptions please? > > >********************************************************************* >Group :Fungal Growth Engineering and Testing Range >Location :Toronto, Ontario, Canada (44x N/79x W) >Organization :Fungal Growth Club of Canada >UUCP Address : ...uunet!mnetor!hybrid!spocom!fungus!larry >or : larry@fungus.UUCP >Ancient Chinese-Canadian Curse: May a 7% tax be on everything you see, >eat and hear. How about posting the results of any replies up here. I am sure there are many interested people. Myself included. AtDhVaAnNkCsE, Andrew. -- _--_|\,-----From Townsville in sunny North Queensland * / \ * * \_.--._/ Andrew Nicholson cpawn@marlin.jcu.edu.au ' v *
Michael.Seales@comp.vuw.ac.nz (Michael Brian Seales) (04/08/91)
In article <q52RZ1w164w@fungus.UUCP>, larry@fungus.UUCP (Larry Ng) writes: |> mfontana@eniac.seas.upenn.edu (Mark A Fontana) writes: |> |> > There are two analog inputs (resistance), correct? Suppose I connect |> > a photocell across one and the temperature probe from a microwave oven |> > across the other; would I then be able to read the room temperature and |> > light intensity (assuming I've worked out the scaling of values)? |> > |> > Could someone mail me a list of the pin descriptions for the game port? |> > Is it possible to OUTPUT anything through the game port? |> |> Hey, I was thinking of that too! (Great minds think alike? ;-) ^^^^^^^^^^^^^^^^^^^^^^^^^^^ Shouldn't that be "Small minds seldom differ" ??!!?? Michael Seales