using din 4-pin trackball with USB

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using din 4-pin trackball with USB

is there a simple adaptor to use a din-4 pin wired Kensington turbo mouse Trackball
with a 2008 IMac usb input?

Love to keep old tech working.

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Joined: Dec 19 2003 - 17:34
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Re: using din 4-pin trackball with USB

There's a few options. You can choose cheap, or easy, but no option I'm aware of combines both.

The Griffin iMate converted the 4-pin din Apple ADB to USB. But they command a high price on the used market.

Or you can roll your own with an Arduino microcontroller:
http://blog.jomon-lab.com/arduino-projects/adb-to-usb-adapter-using-arduino-keyboard-function

Or a Teensy:
http://ifixit.org/blog/4468/hack-it-better-apple-extended-keyboard-ii/

* note that the latter two are actually meant for ADB keyboards, so there's still some coding needed to get a mouse/trackball working.

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