More fun with the ubiquitous 555 timer IC. Using pin 5 on the IC as an audio input to modulate the width of the 80Khz pulses, I connect the output to a speaker who's voice coil acts as an adequate filter for the HF signal, leaves us with audio. In this case Jimi Hendrix!
Keywords: pulse, width, modulation, modulated, 555, timer, integrated, circuit, IC, class, audio, amplifier
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