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A small green circuit board with eight square RGB LEDs in a row

Adafruit

Adafruit NeoPixel Stick 8 5050 RGB LEDs

SKU CH-K2MV-3Z4VD

A chainable stick of eight 5050 RGB LEDs with integrated drivers, controlled from one microcontroller pin and ready to solder into Arduino projects

  • TypeEngineering Development Tools
  • 8 individually addressable 5050 RGB LEDs
  • Constant 18 mA drive keeps colours steady
  • Chain multiple sticks from one microcontroller pin
  • Compact PCB with mounting holes for tight builds
  • Requires soldering header pins before use

8 × 5050 RGB LED Stick

This stick carries eight 5050 smart RGB LEDs on a compact PCB with mounting holes. Each LED includes an integrated driver so a single microcontroller pin controls the whole chain. The LEDs run from a 5 V supply and draw roughly 18 mA constant current per channel for consistent colour.

Makers who solder headers and chain strips

The board arrives without header pins, so basic soldering is required before use. It suits Arduino, AVR, PIC or similar real-time microcontrollers that can meet the tight timing protocol. Linux-based boards or interpreted environments such as Netduino or Basic Stamp cannot drive the data line reliably.

Steady output during long runs

Constant-current drive keeps brightness and colour stable even if the supply voltage drifts between 4 V and 7 V. No external choke resistors are needed, so the strip stays slim and runs cool during extended animations. Chaining multiple sticks does not increase per-LED current, so thermal behaviour remains predictable.

Besonderheiten

  • 8 individually addressable 5050 RGB LEDs
  • Constant 18 mA drive keeps colours steady
  • Chain multiple sticks from one microcontroller pin
  • Compact PCB with mounting holes for tight builds
  • Requires soldering header pins before use

Technische Daten

TypeEngineering Development Tools

Fragen zu diesem Artikel

What microcontroller do I need to control the NeoPixel Stick's timing-specific protocol?

You need a real-time microcontroller such as an AVR, Arduino, PIC, or mbed; Linux-based boards like Raspberry Pi or interpreted devices like Netduino cannot meet the timing requirements.

Can I chain the NeoPixel Stick with older 5V LED strips that use separate driver chips?

No, the stick uses a single data line with a timing-specific protocol and integrated drivers, so it only chains with other NeoPixel-compatible devices sharing the same protocol.

How can I verify each of the 8 LEDs is addressable after soldering the header pins?

Upload a test sketch that lights each LED individually in sequence; consistent colour and brightness across all 8 confirms the integrated drivers and ~18mA constant current are working.

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