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.

KA-Keyer is a simple keyer with an emphasis on high-speed operation. It can be considered a derivative from the Open CW Keyer MK2, an Arduino-based CW keyer from OK1CDJ. This is the second keyer ...

While many of us have banished land line telephones from our houses, there are still quite a few people who utilize POTS lines today. These analog phone systems use Dual Tone Multi Frequency (DTMF) ...

[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 ...