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Description: This is the 24 LED NeoPixel Ring from Adafruit, a small chainable 2.6" (66mm) outer diameter board equipped with 5050 WS2812 RGB LEDs. The WS2812s are each addressable as the driver chip is located inside the LED. Each NeoPixel Stick has ~18mA constant current drive so the color will be very consistent even if the voltage varies, and requires 5V.

Every ring is equipped with a single data line with a very timing-specific protocol requiring a real-time microconroller with a 8MHz or faster processor such as an AVR, Arduino, PIC, mbed, etc. There are solder pads on the back for connecting wires or breadboard pins and two mounting holes for securing this board to many different surfaces.

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Comments 5 comments

  • Cool now I can make my mini Stargate!

  • Wholly cats I keep burning these things out. I cant figure out what type of 5 volt supply to hook these to without burning them up. I’ve tried my ol' reliable power supply and that burnt up the first one, then I read that I should use a 5 volt wall wart, that took out the second one.

    What power supply for the 5 volt line should I be using?

    -Jim

  • Question: If simply connected to a 5 volt power supply with these emit white light without having to use any other micro controller?

    Thanks Jeff

    • It’s super easy to program. All you need is a pro mini, and about 5 minutes, if you were worried about programming it.

    • No, they need the “one wire” signal to tell the LEDs to light up. The NeoPixel Uberguide is a great resource.


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