qmk_firmware

QMK firmware for my keyboards (Corne, Sweep Ferris) and trackball (Ploopy Adept)
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readme.md (665B)

      1 XT to USB keyboard converter
      2 ==============================
      3 This is a port of TMK's converter/xt_usb to QMK.
      4 
      5 This firmware converts XT keyboard protocol to USB.(It supports Scan Code Set 1.)
      6 
      7 
      8 Connect Wires
      9 -------------
     10 1. Connect **Vcc** and **GND**.
     11 2. Connect **Clock** and **Data** line. **Clock** is on `PD1`,  **Data** on `PD0` by default. And optionally you can use `PB7` for **Reset**.(Compatible to Soarer's converter) To change pin configuration edit `config.h`.
     12 3. You need pull-up resistor. **1K-10K Ohm** will be OK.
     13 
     14 
     15 XT keyboard protocol  resource
     16 ------------------------------
     17 https://github.com/tmk/tmk_keyboard/wiki/IBM-PC-XT-Keyboard-Protocol