ELECFreaks 8 RGB Rainbow LED Ring

• ELECFreaks Rainbow LED Ring
• Features 8 ultra-bright LED beads
• Circle panel size: 1.25 inches (outer diameter); 0.62 inch (inner diameter)
• Addressable LEDs

The ELECFreaks 8 RGB Rainbow LED Ring is a kind of LED rings with 8 ultra-bright RGB LED beads placed on a circle panel. This circle has 1.25″ (32mm) outer diameter and 0.62″ (16mm) inner diameter. The ring is chainable. On the circle panel, you can see one output pin of a bead connected to an input pin of another bead.

With the only one built-in microcontroller pin, you can use an outer device to control this LED ring. Every bead on the circle panel is addressable.