The is a legendary open-source Morse code keyer project based on Arduino, designed by Anthony Good (K3NG). It is known for its massive feature set, including Winkeyer emulation , LCD support, and CW decoding. Core Hardware Components A basic K3NG build typically requires the following: HL2 and OpenCWKeyer K3NG Winkeyer - Google Groups
"Look here," Silas pointed a calloused finger at the screen. "The schematic is designed around an Arduino, usually a Nano or a Mega. But see this section? It handles the paddle inputs. And this? The PTT (Push-To-Talk) output. It’s isolated. You won't fry your radio." k3ng keyer schematic
You can find Gerber files for these in the k3ng_keyer/hardware/PCB directory of the official repository. K3NG Keyer The is a legendary open-source Morse
"I added three," Elias said, pointing to three tactile switches. "One for 'CQ', one for my call sign, and one for '5NN TU'." "Look here," Silas pointed a calloused finger at the screen