Before you know it, he had a full-blown open source project on his hands. He got the Trackpoint working, and along the way managed to add support for a number of other laptop boards as well.
I use a Teensy microcontroller mounted on a connector board to take over this function.įrank Adams liked the keyboard on his Lenovo ThinkPad T61 so much that he decided to design an adapter so he could use it over USB with the Teensy microcontroller. The author has tested a wide variety of keyboard models, including Dell Inspiron, HP Presario, Sony Vaio, and IBM / Lenovo ThinkPad.Ī typical laptop keyboard relies on the motherboard for the scanning circuitry. Here is a solution to enable laptop bottom case keyboards as USB keyboards using a Teensy microcontroller.
