[Frank 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. He got the Trackpoint working ...

Until [rampadc] came along, that is. [Rampadc]’s keyboard adapter is built for the ThinkPad T60 keyboard, which is shared between the Lenovo T60, T61, Z60, Z61, R400, R500, T400, T500 ...

Maybe so with the Lenovo ThinkPad X1 Carbon 4th generation ... HD and 2560 x 1440 QHD matte displays (both non-touch), a backlit keyboard, 720p webcam and dual band WiFi 802.11ac with Bluetooth. 4G ...