With this shield, the D1 Mini can be extended with the addition of a digital RGB LED WS2812B. • LED type: WS2812B • LED size: 5050 • Supply voltage: 5 V Pin assignment • 5 V: 5-V supply voltage • D2: Signal pin • GND: Earth Note: Delivery includes 6 pin headers (2x 8-pin male–male, male–female, male long pin–female)