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Morse Code Practice oscillator

This contains the hardware and firmware designs for a morse code practice oscillator.

Features

  • 9v Battery or 12vDC powered
  • Headphone or internal speaker output
  • Adjustable Tone and Volume
  • Support for paddle keys with variable speed and weight
  • Capacitive iambic key unit included on PCB

Sources and links

  • Audio path based on designs by Forrest Cook (WB0RIO)
  • Capacitive Iambic key uses circuit from John Parfrey (M0UKD)
  • Project uses CC By icons from Dave Gandy (power icon (also remixed to make the dial and jack labels)) and Hanan (headphone icon)