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An Arduino Uno shield that makes it easy to drive a 16×32 RGB LED matrix panel with a HUB75 connector. Instead of wiring up 12 individual jumper wires, this ...

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An Arduino Uno shield that makes it easy to drive a 16×32 RGB LED matrix panel with a HUB75 connector. Instead of wiring up 12 individual jumper wires, this shield provides a matching 2×8 IDC connector for a clean, reliable connection between your Arduino and the panel.

The shield also includes a DS1307 real-time clock (RTC) chip with a CR1220 coin-cell battery holder, useful for time-based display projects such as clocks and timed animations.

Key Features

  • HUB75 IDC Connector – 2×8 pin header matches the LED panel's input connector
  • 12 Digital I/O Pins – Full colour control of the RGB matrix
  • DS1307 RTC On-Board – Real-time clock pre-wired to A4 (SDA) and A5 (SCL)
  • CR1220 Battery Holder – Keeps the RTC running when power is off
  • 5V Operation – Powered directly from the Arduino
  • Adafruit Compatible – Works with the Adafruit RGBMatrixPanel library

Ideal For

  • Driving 16×32 RGB LED matrix panels from an Arduino Uno
  • LED clocks and timed display projects (using the built-in RTC)
  • Scrolling text, animations, and colour displays

Package Contents

  • 1× RGB LED Panel Driver Shield
Note: This shield is for the Arduino Uno form factor. The 16×32 RGB LED matrix panel and CR1220 battery are sold separately.

Resources

Jargon buster

Plain-language definitions for the technical terms used above.

HUB75
HUB75 is a common connector and signalling standard used by many RGB LED matrix panels. If a controller supports HUB75, it can plug into compatible matrix panels without custom wiring, but you still need to match the panel size and power requirements.
IDC connector
An IDC connector is a ribbon-cable connector commonly used to carry many signals in a neat, keyed cable. On LED matrix products, it matters because it lets you connect panels with standard matrix cables instead of wiring each signal separately.
LED
A light-emitting diode is a small electronic component that lights up when current flows through it in the correct direction. In this kit, LEDs create the flashing effect, so polarity and correct soldering matter for the project to work.
RGB
Short for red, green and blue, usually referring to an LED that can mix those three colours. It matters because controlling an RGB LED teaches how separate outputs combine to create different colours.
RTC
A Real-Time Clock keeps track of time even when the main processor is asleep or powered down, usually with a small backup battery. It matters for data logging and tracking projects that need accurate timestamps.
Shield
An add-on board that plugs into a main controller board to give it extra features such as sensing, motor control or communication. Knowing a product supports shields helps you judge whether it can connect neatly into an existing maker-board setup.
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