Adafruit
Diffused Rectangular 5mm RGB LEDs - Pack of 10
Make some beautiful colors with these diffused rectangular 2.5mm x 5mm RGB LEDs with separate red, green and blue LED chips inside! They make nice ...
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Make some beautiful colors with these diffused rectangular 2.5mm x 5mm RGB LEDs with separate red, green and blue LED chips inside! They make nice indicators, and they're fun to color-swirl! We like diffused RGB LEDs because they color mix inside instead of appearing as 3 distinct LEDs. Pack of 10 Diffused Rectangular 5mm RGB LEDs!
These are Common-Anode type which means you connect one pin to 5V or so and then tie the other three legs to ground through a resistor. We carry and use CA more than CC because multi-LED driver chips (such as the TLC5940/TLC5941) are often designed exclusively for CA and can't be used with Common-Cathode.
Jargon buster
Plain-language definitions for the technical terms used above.
- common-anode
- A wiring arrangement where several LEDs or LED segments share a common positive (anode) terminal and are switched individually on their negative (cathode) side. Common-anode and common-cathode parts, such as RGB LEDs, seven-segment displays, matrices and strips, are not interchangeable without a suitable driver.
- 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.
- LED driver
- An LED driver is a control chip or circuit that supplies and switches power to LEDs. For a display board, it reduces the number of microcontroller pins needed and handles tasks like lighting the right segments and adjusting brightness.
- RGB
- Short for red, green and blue, the three primary colours of light that are mixed in varying amounts to make a wide range of colours. In electronics RGB can refer to an LED or pixel that blends these three colours, or to a colour signal or interface that carries separate red, green and blue channels.
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