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SK6812 Digital 5050 RGB LED Ring - 8 LEDs - Black

SK6812 Digital 5050 RGB LED Ring - 8 LEDs - Black
SK6812 Digital 5050 RGB LED Ring - 8 LEDs - Black
  • Availabilty: Directly available from warehouse in Eindhoven
  • Model: SK6812RING8B
  • SKU: 002400
€4.00
Ex Tax: €3.31

This is an RGB LED ring with SK6812 LEDs. These are soldered on a black circuit board with the connections at the bottom.

The SK6812 LEDs can be individually addressed and can be connected up to 1024 LEDs with a refresh rate of 30 FPS.
Each LED contains a built-in chip and can be controlled with 8-bits per color.

Specifications:

  • Number of LEDs: 8
  • Input voltage: 5VDC
  • Maximum current per LED: ~50mA
  • Maximum current ring: ~0.4A
  • Circuit board color: Black
  • Ring size (outside diameter): 32mm
  • Ring size (inside diameter): 16mm

Pinout:

  • 5V: +5V input voltage
  • Din: Data signal input (signal from an Arduino, RPi, or other SK6812 LED)
  • Dout: Output of data signal (signal to another SK6812 LED or not connected if it is the last LED)
  • gnd: Ground/min

Various libraries are available for both the Arduino and Raspberry Pi platform.
See the following link for connecting the LED ring to the Arduino platform: Adafruit NeoPixel Überguide .

For more information, see the datasheet under the tab "Downloads".

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File Size
SK6812_RGB_datasheet.pdf 440.8KB Download

Product FAQ

The following parts are required to use a product with digital LEDs:

  • Power supply
  • Development board for controlling the LEDs
  • Resistor (470Ω) to limit the current of the data line
  • Electrolytic capacitor (1000μF 25V) as buffer for peak currents
  • Wires or cables to connect everything

The following parts are optional:

  • Breadboard or experiment PCB to connect the components
  • Level converter (in case the development board has a signal voltage of 3.3V)

This can have several causes. The most common causes are:

Signal voltage too low
For example, WS2812B LEDs have a signal voltage of 5V. When these are controlled with a voltage of 3.3V (as with ESP32/ESP8266/Raspberry Pi), data may not be properly received at one or more LEDs, resulting in the wrong color. This can be solved by increasing the signal voltage to 5V using a level converter.

Noise on the data pin
The data pin is sensitive to noise. This can be solved by connecting a 470Ω resistor in series between the microcontroller and the data pin of the LEDs.

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