Edtechs
Hummingbird Tri-Colour LED
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$14.95
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One 5mm LED containing separately controllable red, green and blue elements, so students mix any colour they like from code rather than swapping parts. Commo...
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One 5mm LED containing separately controllable red, green and blue elements, so students mix any colour they like from code rather than swapping parts.
Common cathode, four wires on a 50cm braided cable, wired for the tri-colour terminals on a Hummingbird controller. Each colour element draws roughly 20mA. Works with the Hummingbird Bit and the Hummingbird Duo.
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.
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