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Happs trackball (parts needed)

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88mph:
I just ordered a new red Happ trackball encoder from Bob Roberts for $15 + shipping..

Interestingly enough, one of my recently purchased red Happ trackball encoders randomly died while I was mousing through Windows.  I think they must have a quality control problem or something.. I had another relatively new green one die randomly about 5 years ago. 

Hopefully this new one will last me a while..

Good luck,

88mph

WwonderLlama:
Thanks for all the replies.

Okay, so if I decide to buy a new red encoder, it sounds like I should go to Bob Roberts... Can you point me in his direction?  How much was the shipping fee?

Thanks much,

Phill W.

pcates:
I built 2 new ones using the plans on Ultimarc's site:
http://www.ultimarc.com/optipac4.html

and they work great, I just mounted them to a green board I picked up at radio shack, and cut it to fit perfectly in place. I have been using it for about a year, with no problems.

Patrick

WwonderLlama:

--- Quote from: pcates on July 26, 2005, 02:54:12 pm ---I built 2 new ones using the plans on Ultimarc's site:
http://www.ultimarc.com/optipac4.html

and they work great, I just mounted them to a green board I picked up at radio shack, and cut it to fit perfectly in place. I have been using it for about a year, with no problems.

Patrick

--- End quote ---

Are you using these with a mouse hack, or with the Optic-pac Plus from Ultimarc?  The link you provided shows both the Happs optical board and the hack you used and makes them seem interchangable, but they only mention connecting it to the Opti-pac.

I'm currently using the I-Pac 4 with a mouse-hacked spinner and trackball.  (The Nasty spinner is fantastic... about $3 in parts + dead Hard drive parts + crappy ball-mouse = spinner goodness!)

Thanks for the info!

--Phill W.

WwonderLlama:
For posterity's sake (in case anyone finds this thread via search), DigiKey.com no longer stocks the item listed on Ultimarc's site.  That part (QVB11334) apparently was rendered obsolete in October of 2001.  The new part number they gave me to look at (don't know whether it'll work) is QVE11233-ND.

Edit: Looking further into it, QVB11134-ND may be a more appropriate substitution.

I'll look at the datasheets and see if anything jumps out, but I'm no electrician or EE, so don't take my findings to seriously. :)

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