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)