Rainbow LED Ring V3 (Arduino Compatible)

The Rainbow Ring board has been upgraded to version 3! This is probably the most beautiful LED ring ever.
SKU: DFR0141

Availability: 4 In Stock


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The brightness and colors (RGB) of each LED on the ring can be controlled separately. It comes with pre-burned bootloader which has several built in led scripts.
Allows I2C/Serial communication from any MCU and can be serially linked to make a beautiful Art piece via I2C.
Can be programmed using standard Arduino IDE by FTDI breakout board.
If you happen to have an idea or work done using this ring, please share your project with us in the community.


Rainbow LED Ring V3 (Arduino Compatible) (1 unit).
Pin headers 90°(5 units).
Pin header(2 units).
Jumper wire(1 unit).


Wiki Doc, Arduino sample code for v3, Rainbow LED Ring v3 schematic, Rainbow LED Ring v3 bootloader, Github (contribution submitted by Jules).

Additional Info

Additional Info


CPU: Atmega 168P (Lilypad Board in Arduino IDE).
Bootloader: Optiboot diecimila.
Supply voltage: 5V.
Output voltage: 5V.
Interface: Serial/I2C/Digital pins.
Push button x2.
Firmware upgradable.
Stand-alone operation: No microcontroller needed for light script playback.
Diameter: 61mm.

Data Sheets
Minimum Age No
Other SKUs N/A