Goody has recently come up again with a newly updated version of his great Arduino keyer code.
As usual I provide here on the nanoKeyer website a preconfigured file (preselected options) best suited to match the hardware capabilities of the nanoKeyer.
You can download the latest firmware file from the Download section.
The version 2012042101 Code is mainly a code cleanup to eliminate compiler warnings and two syntax issues caused by changes introduced in Arduino 1.0. Goody was also able to fix two K1EL Winkeyer emulation bugs.