Blinking, fading, and color changing lights are a standard for eye catching goggles. This being said, I decided to change it up a bit and make a set that would engage the wearer in the production of sound.
As always I wanted my goggles to be interactive. When it comes to audio, I figured there was no better way to achieve this than with some sort of theremin which would invoke hand waving and finger wiggling from the wearer and anyone near by. Now, I realize that traditional theremins are quite complex in their inner workings and tend to run quite large, so I poked around the internet until I found this simplified optical theremin that requires a hand full of basic components and two 555 timers.This particular design also creates a very unique, annoying sound which in this application is perfect! Here is the link to the circuit I used : Easy Pocket Photo Theremin.
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Stop breadboarding and soldering – start making immediately! Adafruit’s Circuit Playground is jam-packed with LEDs, sensors, buttons, alligator clip pads and more. Build projects with Circuit Playground in a few minutes with the drag-and-drop MakeCode programming site, learn computer science using the CS Discoveries class on code.org, jump into CircuitPython to learn Python and hardware together, TinyGO, or even use the Arduino IDE. Circuit Playground Express is the newest and best Circuit Playground board, with support for CircuitPython, MakeCode, and Arduino. It has a powerful processor, 10 NeoPixels, mini speaker, InfraRed receive and transmit, two buttons, a switch, 14 alligator clip pads, and lots of sensors: capacitive touch, IR proximity, temperature, light, motion and sound. A whole wide world of electronics and coding is waiting for you, and it fits in the palm of your hand.