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Ultimarc: New dual analog/digital interface, A-PAC.

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Stingray:

--- Quote from: NoOne=NBA= on March 18, 2005, 02:09:41 pm ---
--- Quote from: armax on March 18, 2005, 02:03:41 pm ---I'm waiting to see the thread titled, "The color red is better than blue".

--- End quote ---

Red IS better than blue, so there's no reason to debate it.

--- End quote ---

I'm sorry but you're wrong. Blue is clearly superior, anyone can see that. :)

-S

Hoagie_one:
I'm a big fan of green, but i always like the underdog

u_rebelscum:

--- Quote from: SirPoonga on March 18, 2005, 11:11:54 am ---
--- Quote from: Witchboard on March 18, 2005, 10:30:55 am ---So it's not compatible with optical analog devices, like 360 steering wheels, trackballs and spinners.  Except for the Omega Race spinner that is.  ;)  That's what the Opti-Pac is for.  ;D

--- End quote ---

Which is funny that those are called analog devices, when in fact they use an encoder disc which is 1s and 0s :)

--- End quote ---

Which is funny that those USB analog joysticks are called analog devices, when in fact they use a protocol which is 1s and 0s.  [/sarcasm]


What makes the mice analog is that they can sense when more than one spoke/gap goes by, and transfer that data.  Spin slow, and you get deltas of 1 and 0.  Spin fast and you get deltas of 4 and 13, 7 and 8, and most values under ~32.  It might be possible to get deltas as high as 127 per mouse send; I doubt they can go higher.

Please don't confuse the people between analog vs digital music (stored as 1s & 0s or not), and analog vs digital inputs (two values on/off, or more than that).

markrvp:
Andy:

I wish this had been announced 1 week earlier when I started my most recent project. 

I just hacked an old MadCatz Play Station steering wheel which had 10k pots.  (Side note:  it seems a lot of PS2 devices use 10k pots in the analog controls)
I replaced the 10k pots with 5k pots and wired it to Dave's AKI interface.  If I had the A-PAC board is it correct that I could have just used the 10k pots?

paigeoliver:
Andy, do some more testing as to why different USB IDs are needed. It is because many, many, many computers will randomly swap the order of identical USB devices on reboot. Try plugging in 3 or 4 of the suckers and do some reboots, and turn the computer on and off and such and you will likely find that they eventually end up listed in a different order to windows.

Even if your computer doesn't do that, a lot of them do. This problem drove me insane and caused me to tear up my hacked USB gamepads and buy my first I-Pac YEARS ago.

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