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A pack of 10 miniature 3535-format (3.5 × 3.5 mm) NeoPixel RGB LEDs with white casing and integrated WS2811-compatible driver chips. These are half the size ...

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A pack of 10 miniature 3535-format (3.5 × 3.5 mm) NeoPixel RGB LEDs with white casing and integrated WS2811-compatible driver chips. These are half the size of standard 5 × 5 mm NeoPixels, making them the most compact way to add individually addressable RGB lighting to custom PCB designs.

Each LED includes a constant-current driver, so colour remains consistent across voltage variations without external resistors. The LEDs are chainable — connect the data output of one to the data input of the next. Power the chain at 5 V DC and control with any real-time microcontroller (AVR, Arduino, PIC, etc.) running at 8 MHz or faster.

Key Features

  • 3.5 × 3.5 mm Package – Half the size of standard 5 × 5 mm NeoPixels
  • Integrated Driver Chip – WS2811-compatible, fixed at 800 kHz high-speed mode
  • Constant Current Drive – Consistent colour output without external resistors
  • Chainable – Connect data-out to data-in for long LED chains
  • White Casing – Clean appearance for visible installations
  • 5 V DC Operation – Standard logic level

Specifications

  • LED Size – 3.5 × 3.5 mm (3535 package)
  • Casing Colour – White
  • Driver – WS2811-compatible (800 kHz)
  • Operating Voltage – 5 V DC
  • Protocol – Single-wire, timing-sensitive data
  • Quantity – 10 LEDs per pack
Note: These bare LEDs are cut from a reel and may not be suitable for automated pick-and-place or reflow soldering. LEDs are sensitive to moisture and temperature — hand soldering is recommended. Requires a real-time microcontroller (AVR, Arduino, PIC) at 8 MHz or faster. Not compatible with interpreted platforms (e.g. Basic Stamp) or Linux-based SBCs without hardware timing support.

Ideal For

  • Custom PCB designs requiring compact addressable LEDs
  • Wearable electronics
  • Miniature LED indicators and displays
  • Space-constrained lighting projects

Package Contents

  • 10× NeoPixel Mini 3535 RGB LEDs (white casing)

Resources

Jargon buster

Plain-language definitions for the technical terms used above.

AVR
AVR is a family of 8-bit microcontrollers (made by Microchip, formerly Atmel) used in many classic Arduino-style boards such as the Uno and Nano. They are widely supported but older, which can be a limit for memory- or speed-intensive tasks.
constant-current driver
A constant-current driver supplies a set current to its load even as the load voltage changes. It is commonly used to keep LED brightness consistent and protect LEDs from being overdriven, whether for indicator LEDs, high-power lighting, or display backlights.
DC
DC means direct current, where electricity flows in one constant direction, as supplied by batteries, USB ports and many plug-pack power supplies. When a product specifies DC, it runs from a DC supply rather than mains AC, so you need to provide the correct voltage and polarity.
LED
A light-emitting diode (LED) is a small electronic component that emits light when current flows through it in the correct direction. Because it only conducts one way, its polarity matters, and a through-hole LED must be soldered the correct way around to light up.
microcontroller
A microcontroller is a small computer on a single chip that runs a stored program and controls connected inputs and outputs such as buttons, sensors, displays and communication interfaces. In a device built around one, it is the part that executes the code and coordinates the device's behaviour.
NeoPixel
A type of addressable LED system where colour data is sent along a single digital data line from one LED or controller to the next. Compatibility matters because the timing and signal format must match for the lights or driver board to respond correctly.
PCB
A printed circuit board (PCB) is a board, usually rigid, with etched copper tracks that connect electronic components together without loose wiring. Components are mounted on the board and signals route between them through the copper layout.
RGB
Short for red, green and blue, the three primary colours of light that are mixed in varying amounts to make a wide range of colours. In electronics RGB can refer to an LED or pixel that blends these three colours, or to a colour signal or interface that carries separate red, green and blue channels.
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