1. Overview of the nKeyer
This documentation covers the construction of the nKeyer board and general use. It
approaches this task as a learning exercise for new builders, so that they can develop
proficiency and self-confidence. The project itself is quite simple and if you follow the steps you
will have a working board able to use for amateur radio.
The nKeyer is a simple Arduino based device designed to act at its basic level, as a stand-
alone “electronic keyer” with a Morse code paddle. Flexibility has been built in providing
additional features such as:
• Based on the Open Hardware K3NG Nano Keyer hardware.
• Uses the K3NG Arduino open-source firmware here:
https://github.com/k3ng/k3ng_cw_keyer . Also see:
https://nanokeyer.files.wordpress.com for project details on using and programming the
code.
• Compatible with the Nano Keyer Rev D open hardware design.
• USB interface for programing AND keyer control.
• Winkey compatible
• Output to drive a transmitter if desired.
• Can be used with or without a 1602 SPI text display.
• Provides 8 pushbutton inputs for providing canned Morse coded messages.
• Provides an optional keyboard interface for command line control if desired.
• Additional optional features that make it useful as a CW Contest Keyer Addon.
• 5V powered, or OPTIONALLY can be powered from a 7- 23 volt input through a small
onboard “buck converter” that is adjusted to 5v output (details later in this guide).
• Power and Transmit LED indicators.
• Morse speed is adjustable, on the fly, from a rotary encoder or simple potentiometer
(your choice)
To Next Page
Loading...
Need help?
General
