WS2812 WS 2811 5050 RGB LED Lamp Panel Module 5V 8-Bit Rainbow LED Precise White Quality PR                                                                                                                                                                                                                                                                                                                                                      It's my pleasure to serve for you・ have a good day.                                                                                                                                                                                                                                                                                                                                   Feature <br />Brand new and high quality.<br /><br />This is the NeoPixel Stick from Adafruit・<br />a small chainable board with eight 5050 WS2812 RGB LEDs.<br />The WS2812s are each addressable as the driver chip is located inside the LED.<br />Each NeoPixel Stick has ~18mA constant current drive<br />so the color will be very consistent even if the voltage varies・ and requires 5V.<br /><br />Every stick is equipped with a single data line<br />with a very timing-specific protocol requiring a real-time microconroller<br />with a 8MHz or faster processor such as an AVR・ Arduino・ PIC・ mbed・ etc.<br />There are solder pads on the back for connecting wires or<br />breadboard