107 lines
4.4 KiB
Markdown
107 lines
4.4 KiB
Markdown
# USB_Laptop_Keyboard_Controller
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This repo contains all the files that are needed to make a USB keyboard and a KVM from an old laptop.
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See the USB keyboard video at https://vimeo.com/458595950
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See the Pi KVM video at https://vimeo.com/458616562
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See the IBM Thinkpad 380ED Keyboard and Trackpoint Conversion to USB video at https://vimeo.com/458669376
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See the keyboard "Instructable" at https://www.instructables.com/id/How-to-Make-a-USB-Laptop-Keyboard-Controller/
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See the KVM "Instructable" at https://www.instructables.com/id/DIY-Portable-KVM-Crashcart-From-Recycled-Laptop-Pr/
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See the IBM Thinkpad 380ED to USB project description at https://hackaday.io/project/171439-ibm-thinkpad-380ed-keyboardtrackpoint-to-usb
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Marcel's Python matrix generator program has been modified for the Teensy 3.2 and 4.0. His repo is forked here:
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https://github.com/thedalles77/USB_Laptop_Keyboard_Controller-1
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All files and folders in my repo are listed below:
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Keyboard_Scanner_Eagle_Layouts Folder
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Keyboard_Scanner.brd EagleCad circuit board file for Teensy LC or 3.2.
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Keyboard_Scanner_LT.brd EagleCad file same as above with 2 bit Level Translator for touchpad Clock and Data
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Keyboard_Scanner_LT2.brd EagleCad file same as above with improved hole spacing for right angle header on 3.2 backside signals
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Keyboard_Scanner_LT_0p5.brd EagleCad file same as Keyboard_Scanner except made for a 0.5mm pitch FPC connector
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Keyboard_Scanner_Dual.brd EagleCad file is for keyboards with dual FPC cables
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Keyboard_Scanner_4p0.brd EagleCad file for Teensy LC or 4.0
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Keyboard_Scanner_LC_thruhole.brd EagleCad file for Teensy LC with 26 pin thru hole FPC connector
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Keyboard_Scanner_2pp.brd EagleCad file for Teensy ++2.0 and up to 36 pins at 1mm, 0.8mm, or 0.5mm pitch
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Keyboard_Scanner_.....2020-02-26.zip Zipped gerber files for PJRC fabrication
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Note that the Lenovo Thinkpad T61 Eagle files are in the Example_Keyboards Folder
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Blank_Key_Lists Folder
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Keyboard_with_number_pad.txt Lists all keys on a keyboard with a number pad.
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Keyboard_without_number_pad.txt Lists all keys on a keyboard without a number pad.
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Commodore_64 Folder
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Teensy LC code and key list files developed by Olga for a Commodore 64, see Readme file.
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GRID 1550 Folder
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Teensy LC code for a GRID 1550 UK keyboard and roller-shaft mouse. PDF describes project.
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IBM T43 Folder
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Teensy 3.2 code and KiCad layout for an IBM Thinkpad T43 keyboard developed by Nat. PDF describes project.
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T Caschy Folder
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HP Jornada and Atari Portfolio keyboard files developed by T Caschera
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Teensy_Continuity_Tester Folder
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Matrix_Decoder_LC.ino Teensyduino file for Teensy LC continuity tester.
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Matrix_Decoder_3p2.ino Teensyduino file for Teensy 3.2 continuity tester.
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Matrix_Decoder_4p0.ino Teensyduino file for Teensy 4.0 continuity tester.
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Matrix_Decoder_2pp.ino Teensyduino file for Teensy ++2.0 continuity tester.
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Matrix_Decoder_LC_alternate.ino Alternate code allows exclusion of grounded pins.
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Matrix_Decoder_3p2_alternate.ino Alternate code allows exclusion of grounded pins.
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Matrix_Decoder_4p0_alternate.ino Alternate code allows exclusion of grounded pins.
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Matrix_Decoder_French Folder has above files but sends a shift key along with the number key.
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Example_Touchpads Folder
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Touchpad_3p2.ino Teensyduino file for Teensy 3.2 touchpad controller.
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Touchpad_LC.ino Teensyduino file for Teensy LC touchpad controller.
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Touchpad_pinout_testing.pdf Describes how to find the clock, data, power, and ground.
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Example_Keyboards Folder
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Instructions for Modifying the Teensyduino LC code.pdf PDF file with LC instructions.
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Instructions for Modifying the Teensyduino 3p2 code.pdf PDF file with 3.2 instructions.
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Instructions for Modifying the Teensyduino 4p0 code.pdf PDF file with 4.0 instructions.
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Laptop_Keyboard A separate Folder for each laptop keyboard, containing the following:
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Text file with FPC pin connections. The results from running the Matrix_decoder code.
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PDF file with key matrix table and any additional information.
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Teensyduino code that makes a simple homebrew USB keyboard routine.
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