TrackPoint extender

This is an extender for the IBM/Lenovo ThinkPad series track point. I've used it for the custom DIY mechanical keyboard. Each extender has little different dimensions, so you can choose more preferred for you. And also, you always might use rasping for best performance.

Hello.
I can't now remember all info about project, but I can send you the links from my Bookmarks for it
https://geekhack.org/index.php?topic=8971.msg775152#msg775152
https://imgur.com/a/O6BdH
https://geekhack.org/index.php?topic=55960.msg1269252#msg1269252
https://electronics.stackexchange.com/questions/155662/old-ibm-trackpoint-pin-scheme
http://html.alldatasheetpt.com/html-pdf/19764/PHILIPS/PTPM754ADB/503/2/PTPM754ADB.html
https://github.com/tmk/tmk_keyboard/wiki#flash-firmware
https://github.com/tmk/tmk_keyboard/blob/master/tmk_core/doc/build.md

for focusing you in the right way:
all track points are simple PS/2 mouses
So you need to create PS/2 to USB converter by using teensy2
https://www.pjrc