# ku1255cfw
Custom open firmware for the Lenovo KU-1255 compact USB keyboard

## Dev setup
- [OpenViszla](https://github.com/openvizsla/ov_ftdi) USB protocol analyzer
- 5V-tolerant PL2303 UART interface (e.g. https://www.adafruit.com/product/954)
- S15 pad (SN8F2288 UTX) connected to header for UART debug interface

![PCB photo](/devsetup.jpg)