USB_Laptop_Keyboard_Controller

This repo contains all the files that are needed to make a USB keyboard and a KVM from an old laptop.

See the USB keyboard video at https://vimeo.com/458595950

See the Pi KVM video at https://vimeo.com/458616562

See the IBM Thinkpad 380ED Keyboard and Trackpoint Conversion to USB video at https://vimeo.com/458669376

See the keyboard "Instructable" at https://www.instructables.com/id/How-to-Make-a-USB-Laptop-Keyboard-Controller/

See the KVM "Instructable" at https://www.instructables.com/id/DIY-Portable-KVM-Crashcart-From-Recycled-Laptop-Pr/

See the IBM Thinkpad 380ED to USB project description at https://hackaday.io/project/171439-ibm-thinkpad-380ed-keyboardtrackpoint-to-usb

Marcel's Python matrix generator program will work for the Teensy LC, 3.2, and 4.0. His repo is here:

https://github.com/marcelhillesheim/USB_Laptop_Keyboard_Controller

All files and folders in my repo are listed below:

Keyboard_Scanner_Eagle_Layouts Folder

 See Readme file for a list of boards

Blank_Key_Lists Folder

 Keyboard_with_number_pad.txt     Lists all keys on a keyboard with a number pad. 
 
 Keyboard_without_number_pad.txt  Lists all keys on a keyboard without a number pad. 

Commodore_64 Folder

 Teensy LC code and key list files developed by Olga for a Commodore 64, see Readme file.  

GRID 1550 Folder

 Teensy LC code for a GRID 1550 UK keyboard and roller-shaft mouse. PDF describes project.

IBM T43 Folder

 Teensy 3.2 code and KiCad layout for an IBM Thinkpad T43 keyboard developed by Nat. PDF describes project.

T Caschy Folder

 HP Jornada and Atari Portfolio keyboard files developed by T Caschera

Teensy_Continuity_Tester Folder

 Matrix_Decoder_LC.ino        Teensyduino file for Teensy LC continuity tester. 
 
 Matrix_Decoder_3p2.ino       Teensyduino file for Teensy 3.2 continuity tester.  
 
 Matrix_Decoder_4p0.ino       Teensyduino file for Teensy 4.0 continuity tester.
 
 Matrix_Decoder_2pp.ino       Teensyduino file for Teensy ++2.0 continuity tester.
 
 Matrix_Decoder_LC_alternate.ino   Alternate code allows exclusion of grounded pins. 
 
 Matrix_Decoder_3p2_alternate.ino   Alternate code allows exclusion of grounded pins.  
 
 Matrix_Decoder_4p0_alternate.ino   Alternate code allows exclusion of grounded pins.
 
 Matrix_Decoder_French Folder has above files but sends a shift key along with the number key.

Example_Touchpads Folder

 Touchpad_3p2.ino             Teensyduino file for Teensy 3.2 touchpad controller.
 
 Touchpad_LC.ino              Teensyduino file for Teensy LC touchpad controller.
 
 Touchpad_pinout_testing.pdf    Describes how to find the clock, data, power, and ground.

Example_Keyboards Folder

 Instructions for Modifying the Teensyduino LC code.pdf     PDF file with LC instructions.   
 
 Instructions for Modifying the Teensyduino 3p2 code.pdf    PDF file with 3.2 instructions.
 
 Instructions for Modifying the Teensyduino 4p0 code.pdf    PDF file with 4.0 instructions.
 
 Laptop_Keyboard      A separate Folder for each laptop keyboard, containing the following:
 
      Text file with FPC pin connections. The results from running the Matrix_decoder code.
      
      PDF file with key matrix table and any additional information. 
      
      Teensyduino code that makes a simple homebrew USB keyboard routine.