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USB_Laptop_Keyboard_Controller/README.md
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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 YouTube keyboard video at https://www.youtube.com/watch?v=Z1PheqSNNP8

See the YouTube KVM video at https://www.youtube.com/watch?v=M5-dYo2jt14

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/

Marcel's Python matrix generator program is at:

https://github.com/marcelhillesheim/USB_Laptop_Keyboard_Controller

All files and folders are listed below:

Instructable Laptop Keyboard Conversion to USB.pdf contains the text and pictures from the keyboard Instructable.

KVM Instructable.pdf contains the text and pictures from the KVM Instuctable

Keyboard_Scanner.brd EagleCad circuit board file for Teensy LC or 3.2.

Keyboard_Scanner_LT.brd EagleCad file same as above with 2 bit Level Translator for touchpad Clock and Data

Keyboard_Scanner_LT_0p5.brd EagleCad file same as above except made for a 0.5mm pitch FPC connector

keyboard_Scanner_Dual.brd EagleCad file is for keyboards with dual FPC cables

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 and PDF with key matrix for a GRID 1550 with a UK keyboard layout.

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.

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 
 
 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.

Each of the Laptop Keyboards listed below have been tested and documented in their own folder:

  • Dell Inspiron 1525 - Keyboard Part Number D9K01 - This includes Marcel's Python results
  • Dell Latitude 131L - Keyboard Part Number V-0511BIAS1-US
  • Dell Latitude X1 - Keyboard Part Number 0M6607
  • Dell Latitude D630 - Keyboard Part Number DP/N 0DR160 - this includes the basic and Pi KVM
  • HP Compaq Presario 2100 - Keyboard Part Number AEKT1TPU011 - This includes Marcel's Python results
  • HP Compaq Presario V4000 - Keyboard Part Number NSK-H3L01
  • HP Pavilion DV9000 - Keyboard Part number AEAT5U00110 - This includes Marcel's Python results
  • Sony Vaio PCG-K25 - Keyboard Part Number KFRMBA151B
  • Sony Vaio VPCCW - Keyboard Part Number 148754321
  • Sony Vaio VPCEA - Keyboard part number A-1765-621-A
  • Sony Vaio VPCEB4 – Keyboard part number A-1766-425-A
  • Lenovo ThinkPad T61 - Keyboard part number 42T3177 (Teensy 3p2 and Teensy LC folders)