Adafruit
NeoPixel RGB 5050 LED with Integrated Driver Chip - 100 Pack
A 100-pack of individual NeoPixel RGB 5050 LEDs with integrated WS2812B-compatible driver chips. Each 5mm × 5mm LED includes ~18mA constant-current drive per...
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A 100-pack of individual NeoPixel RGB 5050 LEDs with integrated WS2812B-compatible driver chips. Each 5mm × 5mm LED includes ~18mA constant-current drive per channel, so colour remains consistent regardless of voltage variation — no external resistors needed. Power with 5VDC.
These are the 4-pin (WS2812B) variant with built-in reverse polarity protection. They are chainable — connect the data output of one LED to the data input of the next. Requires a real-time microcontroller (AVR, Arduino, PIC, etc.) running at 8MHz or faster. Not compatible with interpreted controllers or Linux-based microcomputers for direct driving.
Key Features
- Integrated Driver – WS2812B-compatible, 800KHz protocol
- Constant Current – ~18mA per channel, no external resistors needed
- 4-Pin Package – Built-in reverse polarity protection (B variant)
- Chainable – Single data line, daisy-chain multiple LEDs
- 24-bit Colour – 8-bit PWM per R/G/B channel
Specifications
- LED Type – RGB 5050 with integrated driver
- Package Size – 5mm × 5mm
- Pins – 4 (VDD, GND, DI, DO)
- Operating Voltage – 5VDC
- Protocol – NeoPixel / WS2812B (800KHz)
- Minimum Processor Speed – 8MHz
- Quantity – 100 LEDs
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.
- GND
- GND is the ground or reference connection (0 V) for a circuit. When connecting two devices together, their grounds must be joined so both agree on what counts as a low or high signal.
- 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.
- PWM
- Pulse Width Modulation is a way for a digital pin to simulate variable output power by switching on and off very quickly. It matters for controlling things like LED brightness, motor speed, or servo-style signals from a microcontroller pin.
- reverse polarity protection
- A circuit feature that helps protect the board if power is connected the wrong way around. It matters because it can reduce the chance of damaging the breakout during wiring mistakes, especially in classroom or prototyping use.
- 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.
- WS2812B
- A smart RGB LED chip with a tiny built-in controller, commonly used in addressable light strips and panels. It matters because many WS2812B LEDs can be chained together and controlled from one microcontroller pin, but they need compatible code and careful power planning as the number of LEDs grows.
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