Category Archives: plucking

Laser Harp Sounds Real Thanks to Karplus-Strong Wave Equation

The harp is an ancient instrument, but in its current form, it seems so unwieldy that it’s a wonder that anyone ever learns to play it. It’s one thing to tote a rented trumpet or clarinet home from school to practice, but a concert harp is a real pain to transport safely. The image below is unrelated to the laser harp project, but proves that portable harping is begging for some good hacks.

Enter this laser harp, another semester project from [Bruce Land]’s microcontroller course at Cornell. By replacing strings with lasers aimed at phototransistors, [Glenna] and [Alex] were able …read more

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Posted in harp, Karplus-Strong, laser, Microcontrollers, music, musical hacks, phototransistor, pic32, plucking, vibration, wave equation | Leave a comment