Adafruit Industries Adafruit Industries NeoPixel Ring 12 x 5050 RGBW LEDs - Natural White
12 ultra bright smart LED NeoPixels are arranged in a circle with 1.45" (37mm) outer diameter. 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 are required making the design slim. Power the whole thing with 5VDC and you're ready to rock.
Adafruit Industries NeoPixel Ring 12 x 5050 RGBW LEDs - Natural White
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