Adafruit
UV/UVA 400nm Purple LED 5mm Clear Lens - 10 pack
Need some really bright LEDs? We are big fans of these 5mm clear UV / Purple LEDs. These emit UV 'blacklight' in the UVA spectrum so they are great for proje...
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Need some really bright LEDs? We are big fans of these 5mm clear UV / Purple LEDs. These emit UV 'blacklight' in the UVA spectrum so they are great for projects with fluorescent materials referred to as UV/blacklight-reactive or 'glow-in-the dark'. They are bright (350mcd) and have about a 20-degree LED beam. They go easily into a breadboard and come in a pack of ten so you can easily add that extra UV zing to your project.
If you need some help using LEDs, please read our "Introduction to using LEDs" tutorial for any electronics project.
Jargon buster
Plain-language definitions for the technical terms used above.
- LED
- A light-emitting diode (LED) is a small electronic component that emits light when current flows through it in the correct direction. Because it only conducts one way, its polarity matters, and a through-hole LED must be soldered the correct way around to light up.
- UVA
- UVA is the longer-wavelength part of ultraviolet light, closest to visible violet light. Measuring it separately matters when you need to distinguish general UV exposure from the more energetic UVB and UVC bands.
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