This is a unique ring - it has a florid body with 24 controllable LEDs. Maybe it will drive the inspiration out of you to make a glowing magic ring! There is a 1*1 square hollow-out in the middle of this module, where you can place a Grove - Encoder in and make it a rotary visual encoder!  

Features

• Circular shape

• 24 LEDs, about 5.5 mA drive current for each channel.

• Controllable LEDs with florid effects

• Grove Interface.

Specification

• Voltage: 4.5V~5.5V

• Current: 5.5mA (for each LED)

• Dimension: 4.5cm (ring diameter)

• Net Weight: 12g

For all Grove users (especially beginners), we provide you guidance PDF documents. Please download and read through Preface - Getting Started and Introduction to Grove before your using of the product.