The K3NG Keyer is an open source Arduino based CW (Morse Code) keyer with a lot of features and ... or an AVR microcontroller chip can be programmed and used directly in a circuit. This keyer is ...

[Rostislav Persion] wrote a simple Morse Code decoder to run on his Arduino and display the text on an LCD shield. This is probably the simplest decoder possible, and thus its logic is pretty ...

A CW encoder written for the ARRL and presented during Hamvention 2024. BOM and Circuit Diagrams Available in this file. Looking forward to seeing where people take this project.

[Rostislav Persion] wrote a simple Morse Code decoder to run on his Arduino and display the text on an LCD shield. This is probably the simplest decoder possible, and thus its logic is pretty ...

to both DTMF tone encoder and decoder, a multifunctional waveform generator, an automatic power on/off switch, a Bluetooth CW keyer, a station power monitor, and an AC current monitor. “Arduino for ...