This program generates Morse code from keyboard input. The audio output can be fed to a Single Sideband (SSB) transmitter to generate a CW signal. An alternative presented later can key an SDR ...
A small microcontroller (IC1 = PIC12F1840) is the heart of the circuit. Because only a 12V power supply was available IC2 is added to supply the required 5V for the microcontroller. There are 2 ...
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