Adafruit
NeoPixel RGBW LED Strip - Black PCB 60 LED/m 1m
· MPN: ADA2841
Add individually addressable RGB plus white lighting to your project with this flexible NeoPixel strip. Each pixel combines red, green, blue and white elemen...
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Add individually addressable RGB plus white lighting to your project with this flexible NeoPixel strip. Each pixel combines red, green, blue and white elements, giving you colourful effects plus a dedicated white channel for brighter white tones.
This version is a 1 metre strip with 60 LEDs per metre, a clear casing and black flexible PCB. The strip has weatherproof sheathing, can be cut at the marked cut-lines, and can be soldered via the copper pads for custom lengths or chaining.
NeoPixels use a strict 800 KHz data protocol and need a library with RGBW support. Adafruit’s NeoPixel library supports RGBW and includes example code for common Arduino-compatible boards; using an RGB-only NeoPixel library will give incorrect results.
Note that the PWM rate is 400 Hz, which can be noticeable if the LEDs are moving. Adafruit also notes that the blue LED element is close to the white phosphor, so blue light can mix with some white.
Features:
- RGBW pixels: Each LED includes red, green, blue and white elements.
- Individually addressable: Control each LED on the strip separately.
- 32-bit colour: 8-bit PWM control per R/G/B/W channel.
- Single-pin data: Only 1 digital output pin is required for control.
- Flexible build: Made from flexible PCB material with weatherproof sheathing.
- Cuttable: Cut-lines are provided for shortening the strip.
- Chainable: Strips can be connected together to make longer runs.
- Library support: Works with the Adafruit NeoPixel library with RGBW support.
Specifications:
- Length: 1m
- LED density: 60 LED/m
- PCB colour: Black Flex PCB
- Casing: Clear casing
- LED type: RGBW NeoPixel
- LED size: 5050-sized LEDs
- LED channels: red, green, blue and white
- PWM precision: 8-bit PWM per channel
- Colour depth: 8 x 4 channels = 32-bit colour overall
- Data protocol: 800 KHz
- PWM rate: 400 Hz
- Control pin requirement: 1 digital output pin
- Cut spacing: every 0.65"/1.7cm
- Cut segment: 1 LED each
- Solder pads: 0.1" copper pads
- Required power supply: 5V DC
- Maximum voltage warning: do not use higher than 6V
- Suggested supply for 1 metre: 5V/2A supply should be able to drive 1 meter (depending on use)
- Suggested supply for up to 4 metres: 5V/10A supply can drive up to 4 meters (depending on use)
- Full reel quantity: 4 meters at a time
- Full reel connectors: two connectors
- Library requirement: NeoPixel library with RGBW support
- Compatible example code: Arduino UNO/Duemilanove/Diecimila, Flora/Micro/Leonardo, Trinket/Gemma, Arduino Due & Arduino Mega/ADK (all versions)
For tidy wiring, a 2.1mm DC jack can be used for power and a 2-pin JST set can be used for data and ground. Cut pieces from a reel may or may not include a connector.
Jargon buster
Plain-language definitions for the technical terms used above.
- Colour depth
- Colour depth describes how many different colours a display can show. A 65K-colour display can show about 65,000 colours, which is useful for icons, graphs, and simple full-colour interfaces but is less detailed than modern phone or computer screens.
- 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.
- 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.
- 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.
- 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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