Ultraviolet nightlight, ingredients and setup

This simple instructable will show you how to make a nightlight out of a translucent container, a bottle of tonic water, an Arduino, and ultraviolet LEDs. If you've ever played with a black light, you've noticed that some substances glow brightly under these lights. In this case, we'll be using tonic water because it contains small amounts of quinine which glows a bright blue under ultraviolet. Internet res ...

Read more
Scroll to top