A specifically designed PCB using ATtiny85 microcontroller that interfaces with an iambic CW keyer over TRS to USB. This project provides hardware for the firmware project found here: Iambic-Controller

To build and install on your microcontroller, please use the Arduino IDE with the Digistump additional boards manager: Digistump Additional Boards Manager

Plug and play with VBand, MorseIT (IOS/Android), MorseKeyer Software (PC), and many other applications.

Shield:

This work is licensed under a Creative Commons Attribution 4.0 International License.