SparkFun
LilyPad RGB LED
Blink any color you need! Use the LilyPad RGB LED board as a simple indicator, or by pulsing the red, green, and blue channels, you can produce a broad varie...
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Blink any color you need! Use the LilyPad RGB LED board as a simple indicator, or by pulsing the red, green, and blue channels, you can produce a broad variety of colors. Each of the colors in the RGB LED are connected to one of the sew tabs on the board labeled R, G, and B.
The color channels on this RGB LED are all connected through a common cathode (negative) pin. We have updated our design to this configuration so that the individual red, green, and blue LEDs now share a common ground tab. To light up each color individual LED, connect them each to a power source. For simple circuit hookups, this means you need to connect the R, G, or B sew tabs to power (+) and in code set them to HIGH (for digital output) or 255 (for analog output) to turn them on.
LilyPad is a wearable technology developed by Leah Buechley and cooperatively designed by Leah and SparkFun. Each LilyPad was creatively designed to have large connecting pads to allow them to be sewn into clothing. Various input, output, power, and sensor boards are available. They're even washable!
Note: A portion of this sale is given back to Dr. Leah Buechley for continued development and education of e-textiles.
Jargon buster
Plain-language definitions for the technical terms used above.
- e-textiles
- Electronic textiles are fabrics or clothing that include electrical parts such as conductive thread, sensors, LEDs, or small controllers. This matters because parts for e-textiles need to survive bending, sewing, and sometimes washing.
- 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.
- 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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LilyPad RGB LED Schematic
Schematic · 30.9 KB · Click any page to view full size
RGB LED Datasheet
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