Adafruit NeoPixel Ring - RGB LED w/ Integrated Drivers - 16 pixel arduino Remove the device before cleaning

Remove the device before cleaning the goggles

There is a single data line with a very timing-specific protocol

The GPIO header has grown to 40 pins

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Adafruit NeoPixel Ring - RGB LED w/ Integrated Drivers - 16 pixel arduino Remove the device before cleaningRound and round and round they go! Ultra bright smart LED NeoPixels arranged in a circle The rings are 'chainable' connect the output pin of one to the input pin of another. Use only one microcontroller pin to control as many as you can chain together! Each LED is addressable as the driver chip is inside the LED. Each one has ~18mA constant current drive so the color will be very consistent even if the voltage varies, and no external choke resistors