K3NG Keyer
Contents
Features
- K3NG Arduino CW Keyer Wiki
- Arduino Pro Mini
- Rotary Encoder to set speed
- Buzzer for sidetone
Parts
Arduino Pro Mini
- 3.3V
- 8 MHz
Pins Used (keyer_pin_settings.h)
#define paddle_left 2 #define paddle_right 5 #define tx_key_line_1 11 #define rotary_pin1 12 #define rotary_pin2 13
Rotary Encoder/Breakout Board
- Includes pushbutton Switch
- Includes Pull-Up resistors
- Needs R/C filter on output for debounce
- Reading Rotary Encoders - Arduino reference
- Simple Rotary Encoder Arduino library
- Library for the Arduino environment for using a rotary encoder as an input
Schematic
Videos