LED-BB-10 Addressable single WS2812 LED module, pack of 10

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US$5.59
LED-BB-10
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LED-BB-10 Addressable single WS2812 LED module, pack of 10

This is a breakout board for the WS2812B RGB LED. The WS2812B is actually an RGB LED with a WS2811 built right into the LED! All the necessary pins are broken out to 0.1" spaced solder pads for easy wiring. Several of these breakouts can even be chained together to form a display or an addressable string.

These pixels have full 24-bit color ability with PWM taken care of by the controller chip. Since the LED is so bright, you need less current/power to get the effects you want. The driver is constant current so its OK if your battery power changes or fluctuates a little.

Each pixel draws as much as 60mA (all three RGB LEDs on for full brightness white). An Arduino can drive up to 500 pixels at 30 FPS (it will run out of RAM after that). Using ribbon cable you can string these up to 6" apart (after that, you might get power drops and data corruption). 

Those boards are sold by 10.

Resources:

https://learn.sparkfun.com/tutorials/ws2812-breakout-hookup-guide?_ga=1.244053958.2137301660.1462464535

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