K3ng Keyer Schematic Repack ((full)) -

Place your repacked board in an aluminum enclosure. Morse keyers are notoriously sensitive to RFI (Radio Frequency Interference).

Analog Pin A0 (Outer pins to 5V/GND, wiper to A0) k3ng keyer schematic repack

Nano (for compact size) or Mega (for maximum GPIOs). Paddles: Standard Iambic keyer paddles. Transistor (2N2222 or 2N3904): To drive the radio key line. Resistors: 1k Ωcap omega Ωcap omega Potentiometer: 10k Ωcap omega for speed control. Place your repacked board in an aluminum enclosure

Connect to Arduino Pin A2 (or digital pin configured in keyer_pin_settings.h ). Dash Paddle: Connect to Arduino Pin A5 . k3ng keyer schematic repack