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Hacking my own mouse

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crashwg:

--- Quote from: GamingGreg on February 25, 2004, 02:23:16 pm ---You also need to be aware if the optics on the trackball are Active High or Active Low, and which type the mouse board is using.  Most likely the mouse is using one that is active high.

The Ultimarc trackball only has the optics (no USB or other interface), and the optics are active low.  I have one of these and I used one of Oscar's mouse boards for the interface, but because it is active low, I had to add four 1 K pull up resisters to the board, in order to get it to work.

If you have some old mice kicking around, then go ahead and try the mouse hack route.  However, if you are going to be buying a mouse, I suggest getting one of Oscar's boards instead.  They cost nearly the same as a mouse ($9 or $12.50 if you need left and right buttons), and they are cleaner to work with.  Also be aware that if you need several mice, you'll be needing USB mice, which again might mean buying them.

--- End quote ---

Will Oscar's boards work with the the ultimarc trackball?

GamingGreg:

--- Quote from: crashwg on February 25, 2004, 08:45:09 pm ---
--- Quote from: GamingGreg on February 25, 2004, 02:23:16 pm ---You also need to be aware if the optics on the trackball are Active High or Active Low, and which type the mouse board is using.  Most likely the mouse is using one that is active high.

The Ultimarc trackball only has the optics (no USB or other interface), and the optics are active low.  I have one of these and I used one of Oscar's mouse boards for the interface, but because it is active low, I had to add four 1 K pull up resisters to the board, in order to get it to work.

If you have some old mice kicking around, then go ahead and try the mouse hack route.  However, if you are going to be buying a mouse, I suggest getting one of Oscar's boards instead.  They cost nearly the same as a mouse ($9 or $12.50 if you need left and right buttons), and they are cleaner to work with.  Also be aware that if you need several mice, you'll be needing USB mice, which again might mean buying them.

--- End quote ---

Will Oscar's boards work with the the ultimarc trackball?

--- End quote ---

Not directly, however they can be made to work with a little modification (the pull-up resistors mentioned above). I'm using the two together, with that modification and it works great.  However this does require a little knowledge of basic electronics and soldering.

SirPoonga:
BTW, my mouse hack is the cheap compusa brand usb mouse.

G@M3FR3@K:
SP, what device (TB/Spinner) do you have connected to your mouse hack?  what make/model is it?

And how well is it working for you (is it responsive enough)?

paigeoliver:
Related question.

Say I have a 3" imperial trackball that is the factory PS2 type.

Is there a way to piggyback a spinner onto that prexisting interface?

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