Robotic guitar player turns digital music into physical sound

August 09, 2026

This odd contraption plays your guitar for you – and you can 3D print one at home

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I'm more intrigued by the premise behind this wild robotics project than the technology itself: "What if digital music could control a real instrument and become physical sound again?"

That's what propelled the invention of the MegCell Pulse, a 3D-printable robotic system that can fit on any acoustic guitar and play music you feed it in a digital tablature format. This machine will actually press the strings down between frets and pluck those strings in time, like a human guitarist.

MegCell Pulse: Your Guitar Can Play Itself

So what you hear is the sound of the instrument itself, with all its acoustic properties along with those of the room it's placed in.

The machine works using a series of gears, magnetic actuators, and arms in a mechanical...

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