Adafruit
Small 1.2 8x8 Ultra Bright Yellow-Green LED Matrix [KWM-30881CUGB]
This compact 8×8 yellow-green LED matrix packs 64 ultra-bright LEDs into a 1.2" square footprint. With 0.1"-spaced pins on each side, it plugs directly into ...
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This compact 8×8 yellow-green LED matrix packs 64 ultra-bright LEDs into a 1.2" square footprint. With 0.1"-spaced pins on each side, it plugs directly into a breadboard — one row per side — making it easy to prototype scrolling signs, animations, and small displays without any additional hardware mounts.
The matrix uses a common multiplexed grid arrangement and requires 1:8 multiplex control. Drive it with a 74HC595 and TPIC6B595 shift register pair, or simplify your wiring with a single MAX7219 LED driver IC, which handles all the multiplexing for you.
Key Features
- Resolution – 8×8 grid (64 LEDs total)
- Colour – Ultra-bright yellow-green
- Size – 1.2" (approx. 30mm) per side
- Pin Pitch – 0.1" (2.54mm) — standard breadboard compatible
- Pins – 16 total (8 per side)
- Drive Method – 1:8 multiplexed (requires shift registers or a driver IC)
- Part Number – KWM-30881CUGB
Ideal For
- Scrolling text and sign displays
- Animation and pixel art projects
- Arduino and microcontroller display experiments
- Learning LED matrix multiplexing techniques
Resources
Jargon buster
Plain-language definitions for the technical terms used above.
- 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.
- LED driver
- An LED driver is a control chip or circuit that supplies and switches power to LEDs. For a display board, it reduces the number of microcontroller pins needed and handles tasks like lighting the right segments and adjusting brightness.
- 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.
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Displays & Screens
Related Tutorials
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