Elecrow
Raspberry Pi 4 x 8 RGB LED Matrix Expansion HAT
This RGB LED HAT adds a 4×8 matrix of individually addressable RGB LEDs to your Raspberry Pi. With 256 brightness levels and 24-bit colour depth (over 16.7 m...
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This RGB LED HAT adds a 4×8 matrix of individually addressable RGB LEDs to your Raspberry Pi. With 256 brightness levels and 24-bit colour depth (over 16.7 million colours), it's perfect for creating colourful displays, status indicators, and visual effects controlled by a single data pin.
The HAT plugs directly onto any Raspberry Pi with a 40-pin GPIO header. Control pins are also broken out for use with other microcontrollers.
Key Features
- 4×8 RGB LED Matrix – 32 individually addressable LEDs
- 24-Bit Colour Depth – 256 levels per channel (16.7 million colours)
- 256 Brightness Levels – Adjustable intensity
- Single Pin Control – Only one signal pin required
- Chainable Output – DOUT pin for connecting additional LED modules
- Universal Pi Compatibility – Works with any 40-pin Raspberry Pi
Specifications
- Working Voltage – 5V
- Data Rate – 800 Kbps (typical)
- Dimensions – 65 × 30.2 mm
- Mounting Holes – 3.0 mm
Pinout
- 5V – Power input
- GND – Ground
- DIN – Signal input
- DOUT – Signal output (optional, for chaining)
Ideal For
- Visual status indicators and notifications
- Animated LED displays and light art
- Raspberry Pi learning projects
- IoT dashboards with visual feedback
Package Contents
- 1× 4×8 RGB LED Matrix HAT for Raspberry Pi
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.
- DIN
- As a pin label, DIN stands for 'data in', the input through which a device receives serial data from a controller, as found on SPI displays, LED drivers and other serial modules. DIN can also refer to the German standards body of that name, as in a round multi-pin DIN connector or DIN-rail mounting.
- 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.
- GPIO
- General-purpose input/output pins are microcontroller pins you can set in software to read signals, switch devices on and off, or connect to peripherals. The number of GPIO pins matters because it limits how many buttons, LEDs, sensors, and other parts you can wire directly to the board.
- IoT
- Short for Internet of Things, meaning physical devices that connect to networks or the internet to send data or be controlled remotely. It matters if you want projects such as connected sensors, remote controls or classroom data-logging activities.
- 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.
- 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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