XT to USB keyboard converter ============================== This firmware converts XT keyboard protocol to USB.(It supports Scan Code Set 1.) Connect Wires ------------- 1. Connect **Vcc** and **GND**. 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`. 3. You need pull-up resistor. **1K-10K Ohm** will be OK. Build Firmware -------------- Just run `make`: $ make clean $ make To use your own keymap create `keymap_.c` file and then: $ make clean $ make KEYMAP= After that you will find HEX file `xt_usb.hex` in current directory. See wiki pages on github for further information. https://github.com/tmk/tmk_keyboard/wiki XT keyboard protocol resource ------------------------------ https://github.com/tmk/tmk_keyboard/wiki/IBM-PC-XT-Keyboard-Protocol