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Description: If you're looking for a fun input device for your project this thing is a ball... really! This trackball communicates via PS/2 just like your computer mouse (okay, like your old computer mouse) and provides X and Y axis control as well as three separate button-clicks (activated by pulling the included spade connectors to ground). The ball itself is 2 inches in diameter, made from clear acrylic and lit from below by four LEDs: two green LEDs show that the trackball is powered, two red LEDs indicate a button-click. 

This thing is just begging to be hacked. The 4x4x1.6" case simply snaps together and can be pulled apart with very little effort. It also has a 7/32" mounting hole at each of it's four corners that drops all of the way through the case.

Note: The pinout for the button-click spade connectors is as follows: black is GND; white is right-click; yellow is left-click; and red is middle-click ('scroll-wheel' click). The ground line has 3 spade connectors, one for each button. They can be connected directly to our Concave Arcade Buttons!

Dimensions: 4 x 4 inches, 1.6" tall without ball / 2.4" including ball.

Features:

  • PS/2 interface
  • 5 foot cable
  • Left/Middle/Right-Click Button Leads
  • Red and Green Status LEDs
  • 2" Clear Acrylic Ball

Documents:

Comments 22 comments

  • […]at each of it’s four corners[…] Spurious apostrophes are go?

    Eh… don’t take me too seriously. I’m a victim of my own typso far too often ;)

  • Is this optical or roller? I would prefer optical…

  • Does anyone know if this requires a special PS2 to USB converter to work or will this properly emulate a USB mouse with just an adapter?

    • Hi, this would not be compatible USB. It uses the older PS/2 standard. USB has 4 wires inside, two for power, one to send data one way, and one to send data the other way. PS/2 works in a completely different way so you would need a converter(which I’m sure somebody must be making) to take the PS/2 output and parse it into serial for the USB, it’s a bit more complicated than just changing the connector shape.

  • is possible to use direct port PS/2 computer? or simulate mouse computer through the serial output of the Arduino?

  • Anyone has an idea about how to use this with a PICAXE? hspiin maybe… ?

  • dup

  • Where is the PS/2 shield?

  • gosh that’s an ugly trackball, reminds me of the ones I used on the aircraft maintenance consoles :) maybe i should build more than just a cockpit simulator..hmm…

  • If it is so easy to pull apart, a picture of the insides would be nice if possible, thanks

    • If you just want a general idea, there’s a brief look during the product post:
      http://www.youtube.com/watch?v=hwd41SoDIok&feature=player_detailpage#t=124s

  • […]and lit form below[…]

    • Nice catch, for all my editing prowess I’m notorious for the “from/form” error

  • The first set of notes you played sounded like they came from an episode of Mister Roger’s Neighborhood when he was trying to demonstrate an activity.

  • I want to control the LEDs. That would require some hacking, eh?

    • Yes. The green ones come on right when you power it up, and the red ones come on when you click. BUT, there’s plenty of room in there so you could just add some of your own LEDs.

  • funny thing is that i just ordered 2 of these exact trackballs a week before they came out here! for twice the price too!
    http://www.paradisearcadeshop.com/


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