My wife, MrsRedBeard, made some glow in the dark heads for Halloween decorations. They glowed but very dim and not for very long so why not kick it it up with UV lights. But why stop there when there’s an Arduino laying around?
Using the Arduino I made it so that the lights fade in to brightness, blink, hold for a few seconds then turn off for a while and loop. The code for this can be found on GitHub.
I’m not getting real in-depth on how to do this because most of it is really basic. If you want additional information just Contact us.
Parts / Materials
- Arduino
- UV LEDs from Adafruit
- An old CAT 5 cable
- 2 screw terminals
- 2x 2N3904 Transistors
- Wire
- A salvaged project box
- Styrofoam ring cut in half
- A empty circuit board
Pictures of the project
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