I, Screechy
A light-sensitive oscillator toy.
A light-sensitive oscillator toy.
Using a light sensor, some wire, and LEDs you can easily create an automatic night light that will turn on when you turn off the lights.
I felt in love with Laser Harps the first time I saw Jean Michel Jarre play it live in concert (Rendevous 2 song). Since technology has developed so much it is now possible to build your own homemade DIY Frameless Laser Harp.