The K3NG Keyer is an open source Arduino based CW (Morse Code) keyer with a lot of features and flexibility, rivaling commercial keyers which often cost significantly more. The code can be used with a ...

Edit this file to enable specific hardware profiles. When enabling a hardware option below, the default keyer_pin_settings.h, keyer_features_and_options.h, and keyer_settings.h files are not compiled.