Projects

CW Keyer with Arduino Nano

This project has base on the  K3NG Arduino keyer open-source firmware adding many features and flexibility.

The firmware is open source code provided by K3NG so you can customize it to fit your needs.

The Keyer is suitable as a standalone keyer or for keying the radio via the USB port from a connected computer and your favoured contest logging software or for daily operation.

Features:

    • CW speed adjustable from 1 to 99 WPM
    • Programming and interfacing via USB port (“command line interface”)
    • Logging and Contest Program Interfacing via K1EL Winkey 1.0 and 2.0 interface protocol emulation
    • Optional PTT outputs with configurable lead, tail, and hang times
    • Up to 12 memories with macros
    • Serial numbers
    • CW keyboard (via a terminal server program like Putty or the Arduino Serial program)
    • Speed potentiometer (optional – speed also adjustable with commands)
    • QRSS and HSCW
    • Beacon / Fox mode
    • Iambic A and B
    • Straight key support
    • Ultimatic mode
    • Bug mode
    • CMOS Super Keyer Iambic B Timing
    • Paddle reverse

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Sound Card Interface version 1.0

Here is my Sound Card Interface. This works with all digital modes (RTTY,SSTV, PSK, etc) and CW. This is my first version is very simple design.

Furthermore I have started the design new interface with new features such as with support usb sound card and rs232 to usb.