K3ng Keyer Schematic //top\\ Jun 2026
If you need to key an (high voltage) or a modern transceiver ?
Highly recommended because they only require 4 wires. Connect VCC to 5V, GND to Ground. k3ng keyer schematic
"I'm trying to get this paddle to interface with my linear amp without turning the rig into a doorstop," Elias sighed. "The timing circuits are a nightmare. I’ve burned through three 555 timers tonight." If you need to key an (high voltage) or a modern transceiver
Many builders prefer using pre-designed PCBs that consolidate these features: K3NG - kk9jef "I'm trying to get this paddle to interface
Elias looked at the small, unassuming device. It wasn't a mess of wires anymore; it was a tool. "I think I’m going to add the LCD screen next," he said, reaching for the schematic printout again. "I want to see the words as they're being sent."
Visit the official GitHub repository and download the latest code. The main sketch is k3ng_keyer.ino . The key configuration files are: