LED Circle RGB 24 LED NEOPIXEL WS2812 5050 Board

Features

• 24 individually addressable RGB LEDs arranged in a circular layout.
• Integrated WS2812 driver IC inside each 5050 LED.
• NeoPixel-compatible single-wire digital interface.
• Uniform brightness and consistent color output.
• Supports cascading multiple WS2812 modules.
• Data transfer speeds up to 800Kbps.
• Compatible with common NeoPixel libraries.

Specifications

• Operating Voltage: 5V DC
• LED Type: 5050 RGB with integrated WS2812 IC
• Number of LEDs: 24
• Brightness Resolution: 256 levels per color
• Color Depth: 24-bit (16,777,216 colors)
• Communication Interface: Single-wire digital
• Data Rate: Up to 800Kbps

Pinout

• GND – Ground connection
• VCC – 5V power supply
• IN – Digital data input from microcontroller
• OUT – Digital data output for cascading modules

Arduino Wiring

• VCC → 5V on Arduino
• GND → GND on Arduino
• DIN → Digital Pin (example: D6)
• DOUT → Optional cascading output

Arduino Example Code

Installation of Library

To install the Adafruit_NeoPixel library:

1. Open Arduino IDE → Sketch → Include Library → Manage Libraries.
2. Search for Adafruit NeoPixel.
3. Click Install.
4. Alternatively, download ZIP from GitHub and install via Sketch → Include Library → Add .ZIP Library.

#include <Adafruit_NeoPixel.h>

#define LED_PIN    6
#define NUMPIXELS 24
Adafruit_NeoPixel strip(NUMPIXELS, LED_PIN, NEO_GRB + NEO_KHZ800);

#define DELAY_MS 50

void setup() {
  strip.begin();
  strip.show(); // Initialize all pixels to 'off'
}

void colorWipe(uint32_t color, int wait) {
  for (int i = 0; i < strip.numPixels(); i++) {
    strip.setPixelColor(i, color);
    strip.show();
    delay(wait);
  }
}

uint32_t Wheel(byte pos) {
  if(pos < 85) {
    return strip.Color(pos * 3, 255 - pos * 3, 0);
  } else if(pos < 170) {
    pos -= 85;
    return strip.Color(255 - pos * 3, 0, pos * 3);
  } else {
    pos -= 170;
    return strip.Color(0, pos * 3, 255 - pos * 3);
  }
}

void rainbowCycle(int wait) {
  for(long j=0; j<256*5; j++) {
    for(int i=0; i<strip.numPixels(); i++) {
      strip.setPixelColor(i, Wheel(((i * 256 / strip.numPixels()) + j) & 255));
    }
    strip.show();
    delay(wait);
  }
}

void loop() {
  colorWipe(strip.Color(255, 0, 0), DELAY_MS);
  colorWipe(strip.Color(0, 255, 0), DELAY_MS);
  colorWipe(strip.Color(0, 0, 255), DELAY_MS);
  rainbowCycle(20);
}

Applications

• Decorative and ambient lighting
• LED animations and circular visual effects
• Status indicators and dashboards
• Wearable electronics
• DIY and embedded projects

Resources

• WS2812 Datasheet