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Unconditional Satisfaction GuaranteeNo Shipping Fees Above 302 Months to Decide. Returns Simplified.The Micro:bit Circular RGB LED Expansion Board by DFRobot is a versatile and compact RGB LED ring add-on designed for interactive lighting and sound-based projects. It features 24 WS2812 RGB LEDs, an onboard microphone, and buzzer, enabling both visual and sound-responsive applications. This WS2812B LED circular board is perfectly compatible with MakeCode graphical programming, making it an ideal choice for beginners and educators working with the micro:bit platform in any STEM education kit.
This circular board supports both USB and PH2.0 battery power inputs, and its ultra-thin design makes it a great choice for wearables and portable projects. Use this microbit accessories expansion for creating custom wearable electronics and reactive lighting displays.
24 WS2812 RGB LEDs with full-color mixing (16 million colors) on a circular RGB LED ring.
Built-in Microphone and Buzzer for sound detection and feedback in your DIY project.
Supports MakeCode Graphical Programming for ease of use in STEM education.
Dual Power Input: USB or PH2.0 interface (battery box or lithium battery compatible).
Leads out P0 and P1 interfaces, compatible with Boson expansion modules and other sensors.
Ideal for Wearables thanks to its compact, circular, and lightweight wearable electronics design.
Supply Voltage: 3.5V to 5V power for WS2812B LEDs
LEDs: 24 WS2812 single-line RGB LEDs in ring format
Microphone: 1 Onboard sound sensor
Buzzer: 1 Onboard audio feedback
Interfaces:
IO Expansion: P0, P1 for additional microbit accessories
Power Input: PH2.0 Interface 1, USB Power Port 1
Diameter: 80mm / 3.15 inch compact RGB LED ring
Fully supports MakeCode with examples including:
Rotary rainbow LED animation
Sound-controlled lighting effects
Tomato timer (Pomodoro clock)
1 Micro:bit Circular RGB LED Expansion Board
2 PH2.0 3-pin Sensor Cables
5 M34 Screws
