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![Twin-T Morse Code Practice Oscillator [K4ICY]](http://www.k4icy.com/wr_3_t_amp_01.jpg "Twin-T Morse Code Practice Oscillator [K4ICY]")
Twin-T Morse Code Practice Oscillator [K4ICY]
Audible Morse code to text message converter
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SOLVED] NE555 as a tone generator for Morse code practice
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Morse Code Practice Oscillator - Codrey Electronics
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![Twin-T Morse Code Practice Oscillator [K4ICY]](http://www.k4icy.com/wr_twin-t_osc_shaped_01.jpg "Twin-T Morse Code Practice Oscillator [K4ICY]")
Twin-T Morse Code Practice Oscillator [K4ICY]
SOLVED] NE555 as a tone generator for Morse code practice
