Repacking the Legend: A Modern Spin on the K3NG Keyer Schematic The K3NG Arduino CW Keyer Go to product viewer dialog for this item.
Advanced Displays: Support for 20x4 LCD or I2C displays instead of basic LEDs . k3ng keyer schematic repack
Winkey 1.0 & 2.0 Emulation: Allows the keyer to work seamlessly with logging and contest software like N1MM . Repacking the Legend: A Modern Spin on the
schematic! The goal was to take Anthony Good’s (K3NG) open-source masterpiece and refine the hardware layout for better usability and feature density. 🚀 What’s New in This Repack? Enhanced Memory Support: Optimized for the Arduino Mega 2560 , allowing you to enable memory-heavy features like CW Decoding Winkey Emulation LCD/OLED support without hitting the 32k limit of the Nano. Modernized Connectivity: Integrated footprints for External interfaces Advanced Displays : Support for 20x4
A critical missing piece in the original docs is the driver stage. The repack includes a standard NPN transistor (2N2222 or BS170) circuit to key the transceiver: