DFRobot
WS2812-12 RGB LED Ring Lamp
Addressable LEDs
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Shine like rainbows, this full-color RGB LED Ring with an exquisite and cool appearance could be a great partner for your interactive applications. Add it to...
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Shine like rainbows, this full-color RGB LED Ring with an exquisite and cool appearance could be a great partner for your interactive applications. Add it to your project to brighten your creativity!
Small in size, these LED beads come in a variety of colors and can be cascaded. Only one signal line is required to control the color and status of all leads.
Combining with sensors, it could turn into a compass that tells direction, a cool clock, a tomato timer, a countdown timer…
It could also be a turntable lottery machine, colorful decoration for robots, DIY interactive projects, venue layout, etc. Come and unlock more fun ways to play with this colorful RGB LED ring.
LED Ring Size
| LED Ring | Inner Ring Diameter | Outer Ring Diameter
| RGB LED Ring - 12 Beads | 2.6cm(1.02 inch) | 4.7cm(1.85 inch)
| RGB LED Ring - 16 Beads | 4.9cm(1.93 inch) | 7.0cm(2.76 inch)
| RGB LED Ring - 24 Beads | 7.2cm(2.83 inch) | 9.3cm(3.66 inch)
Cascade Control
There are three types of lamp rings with different numbers of lamp beads, each of which can be controlled individually, and you can also cascade multiple lamp rings. The cascading method is to connect the OUT terminal of the first lamp ring to the IN terminal of the second lamp ring, and so on.
Features
Full-color WS2812 RGB
1-Wire bus control
Support cascading of multiple LED rings
Support multiple programming platforms: Mind+, MakeCode, Arduino IDE
Applications
STEM Education
Specification
Working Voltage: 3.3~5V
Maximum Operating Current: <100mA
Interface Type: PH2.0-3P
Lamp Bead Model: WS2812
Number of Lamp Beads: 12
Color: 16 million colors
Shipping List
WS2812-12 RGB LED Ring x1
Gravity: Digital Sensor Cable (30cm) x1
Jargon buster
Plain-language definitions for the technical terms used above.
- 1-Wire
- 1-Wire is a communication method where devices share a single data line, often with each device having its own address. It matters because several temperature modules can be connected to one microcontroller pin instead of needing a separate pin for each probe.
- Gravity
- Gravity is DFRobot’s plug-in connector system for sensors, motors and modules, using standard cables to reduce loose jumper wiring. It matters because Gravity-compatible parts can connect directly to these ports, while non-Gravity parts may need adapters or manual wiring.
- IDE
- Short for Integrated Development Environment, a program used to write, run and manage code. It matters because some learners prefer a traditional coding workspace instead of a guided notebook-style lesson.
- LED
- A light-emitting diode is a small electronic component that lights up when current flows through it in the correct direction. In this kit, LEDs create the flashing effect, so polarity and correct soldering matter for the project to work.
- RGB
- Short for red, green and blue, usually referring to an LED that can mix those three colours. It matters because controlling an RGB LED teaches how separate outputs combine to create different colours.
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