Adafruit
Adafruit DotStar Digital LED Strip - Black 144 LED/m - One Meter [BLACK]
Adafruit DotStar LED strips use 2-wire SPI instead of the single-wire protocol used by NeoPixels, allowing much faster data rates (up to 32 MHz) and a 20 KHz...
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Adafruit DotStar LED strips use 2-wire SPI instead of the single-wire protocol used by NeoPixels, allowing much faster data rates (up to 32 MHz) and a 20 KHz PWM refresh rate. This makes DotStars ideal for persistence-of-vision (POV) projects and smooth, flicker-free animations — especially at low brightness levels.
Each 5050-sized DotStar LED contains an embedded controller with 24-bit colour (8 bits per channel). LEDs act as shift registers, so you can chain as many as you need. The separate clock and data lines mean any microcontroller or SBC can drive these strips without timing-critical code.
Key Features
- 144 LEDs per Metre – High-density strip on black flexible PCB
- 2-Wire SPI Interface – Clock + data, up to 32 MHz, no timing-critical code needed
- 24-Bit Colour – 8 bits per channel (red, green, blue) per LED
- 20 KHz PWM – Smooth, flicker-free output even in motion
- Weatherproof Sheathing – Protective outer coating
- Cuttable – Cut lines every 1 LED
- 4-Pin JST SM Connectors – One on each end for easy chaining
Also Available
Ideal For
- Persistence-of-vision (POV) displays
- High-density LED art and wearable projects
- Smooth animations and colour effects
Package Contents
- 1× DotStar LED Strip, 144 LED/m, 1 metre (Black PCB) with JST SM connectors
Jargon buster
Plain-language definitions for the technical terms used above.
- 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.
- 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.
- SPI
- A fast serial communication bus often used for displays, memory cards, and sensors. It matters because SPI devices need specific pins for clock and data, plus a separate chip-select line for each device.
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