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Combination Analog and 360
Ben:
That definitly looks like it would work. I would think that you could hack an arcade 360 wheel so you wouldn't have to worry about aligning the encoder wheel.
The trick would be making it compact enough to be usable. I bet it could be done. Hrm, I'm going to have to sit down and see if I can figure out a cheap way to do this :)
Ben
Xiaou2:
^_^
Took a while, but was a fun challenge : ) I kinda wish I thought of it before. Ahh well. I have both types of wheels now so I have no need to build it.
Tho, Id like to know how it turns out, So please keep us informed on your progress. : )
And if you need any more ideas... feel free to ask.
Sincerely,
Steve
:)
http://www.xiaou2.homestead.com
MinerAl:
Instead of having both on one shaft, have a gear transmission with two positions. One position turns the optical shaft with freewheeling ability, the other position turns the potentiometer with 270 degrees motion.
You could even do it with legos. Since you were gearing down the movement, you could have a big hardy shaft to take the abuse of the wheel itself, and a little tiny actual mouse sized optical wheel and sensor on the one side, and a smaller pot on the other.
You'd just have to have a little shift lever or button near the base of the wheel.
Xiaou2:
Um, thats 2 shafts btw. One if linked.
Anyways... that surely would be smaller... but it dosnt solve how to physically stop the wheel - or to give resistence, or to return the wheel to center.
Its a matter of preference... but I certainly prefer a more realistic feel... and the better control thats usually associated with it.
MinerAl:
Xiaou2:
I was thinking of the originally suggested 360 pot on the same shaft as the optical wheel, not your design.
Wherever the wheel was when you shifted it over to the self centering 270 side would be the center. You'd just have to spin the wheel to a place you like and flip the switch.
Your design is very cool b.t.w.. I was just thinking aloud on the intriguing original challenge.