PiCW

A morse code keyer running on Raspberry Pi

GPIO ports

• Two input ports for iambic paddles

  • supporting mode A and mode B
  • bug key emulation
  • side swiper emulation

• An input port for straight key

• An output port for TX control

• The PWM output for side tone

CLI interface on RPi

• send message
  • with keyboard
  • from text files
• record/replay keying
  (both computer and manual keying)
• training mode
  with arbitrary set of characters
• variable gap length between every letters
  (especially useful for training)
• enable/disable
  • iambic paddles
  • straight key
  • tx control line
  • side tone (also can change freq.)

See also

• docs/schematic.txt - schematic diagram of GPIO ports
• Supporting GPIO libraries
  • pigpio(recommended)
  • RPi.GPIO