Compatible and can plug directly into any version of for On-board 4 x8 RGB LED(WS2812B) For can be controlled by selecting different pins with 0 ohms resistance Lead out the control pin, easy to use other MCU control Provides a complete companion material manual ( Python and Web Page control routines /for programs Working voltage: 5V Brightness: 256 levels Adjustable color depth: 24-bit (R/G/B each 8-bit color, 256x256x256=16777216 colors can be combined) Data transmission speed: 800Kbps(typ) Fixed hole diameter: 3.0mm Model Number: RGB LED HAT Type:For [Interface Description] Take access to other MCUs as an example: 5v: Connect to 5V power supply GND: Connect to GND DIN: signal input terminal DOUT: signal output terminal (can not be connected) colour:Blue Material:ABS size:65 x 30.2MM Package Contents: 1 x Expanding Board Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.