Basic CW keyer for an Arduino Nano. Written by Paul VK3HN, 7 Apr 2017. A description and wiring diagram is at https://vk3hn.wordpress.com/Arduino-CW-keyer-for-a-BiTx ...

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 ...

For those unfamiliar with Ham Radio, there are lots of fancy tools these days to make it easier for the radio operator. But enthusiasts still like to get back to basics, and one way to do this is to ...