Seeed Studio (104030013) Circular LED Board, 4.5VDC to 5.5VDC

Product Information Accessory Type: Circular LED Board For Use With: Arduino/Seeeduino Board Product Range: - Product Overview Grove - Circular LED is a unique ring - it has a florid body with 24 controllable LEDs. 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. Circular shape 24 LEDs, about 5.5mA drive current for each channel Controllable LEDs with florid effects Grove interface Voltage range from 4.5V to 5.5V Dimension is 4.5cm (ring diameter)