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Duinopeak 68mm 16-Bit WS2812 5050 RGB LED Smart RGB Ring for Arduino
Voltage: DC 4~7V; Communication interface: single line; LED drive chip ws2812B integrated LED; RGB wave length: R: 635~700nm£¬ G: 490~560nm£¬ B: 450~490nm; 16 PCS high bright smart LED NeoPixels arranged in round 68mm PCB; Those annulus RGB light can be simple connect one input pin to another (DI-->DO) through output pin cascade; Though cascade£¬ just use one pin of singlechip£¬ you can control LED light as many as possible; Each LED integrated by one piece drive chip become smart and addressable; Each LED has 18mAh constant current drive£¬ so the color will be same. Even though voltage changing is the same£¬ no external resistance needed£¬ the current-limiting resistance make RGB integrated design become slim. Use 5V power supply (working current 4~7V) drive RGB lamp ring.