EAL - Arduino Laser Harp

Hello and welcome to my instructables. I’m going to tell you how I programmed and build my very own Laser Harp, using an arduino UNO. First off, I want to say that I am new to the arduino environment, and this was my first project. This is a project I made in my elective subject at Erhvervsakademiet Lillebælt in Denmark. The idea was to build a frame with 3 lasers on one side pointing at 3 photoresistors on the opposite side. When the laser beam was cut, a tone would play from a piezo buzzer.”


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