Features: 1. Compatible and can be directly plugged into any version of 2. Onboard 4*8 RGB LEDs (WS2812B) 3. Different pins of the can be for control through a 0 ohm resistor. 4. Lead out the control pins to facilitate the use of other microcontrollers for control 5. The RGBLED expansion board specially designed for can be programmed and controlled through a signal line to display color images. Description: 1. Working voltage: 5V 2.Brightness: 256 levels adjustable 3. Color depth: 24 Bits (8 Bits each for R/G/B, which can be combined to produce 256x256x256=16777216 Colors) 4. Data transmission speed: 800Kbps (typ) 5. Product size: about 65mm x 30.2mm 6.Fixing hole diameter: 3.0mm [Interface Description] The following is an example of connecting to other MCUs: 5V: Connect to 5V power supply GND: Connect to GND DIN: signal input terminal DOUT: signal output terminal (optional) Material: PCB colour: As shown Package Contents: 1 x LED Expansion Board Module 1 Set x Copper Post Package Installation Accessories Only the above package content, other products are not included. Note: Light reflection 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.