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 # 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)
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