EDN

8X8 LED Matrix Using Arduino Microcontroller

The circuit is driven by a MAX7219 IC that is being controlled through an Arduino microcontroller board, to create an 8X8 LED matrix. The connection of the LED matrix and the IC was done on a ...
University of Wyoming

LED Matrix

Most of us have an 8x8 LED matrix from one of our Arduino kits. What can we do with them? This module investigates how to use these interesting devices. Along the way, we describe a fun electronics ...
Electronics Weekly

Pi Day clock shows telling the time is a piece of Pi

Okay, I knew this would happen - one Arduino clock leads to another. Take a look at a clock that tells the time in terms of the first 192 digits of Pi, via a 32 x 8 LED matrix... Dubbed the Pi Day ...
EDN

Arduino Based Dot Matrix Clock

The dot matrix clock was built without the use of a regular Arduino board but uses the ATmega168 with Arduino bootloader and assembled on a breadboard. An RTC clock compensated by temperature is used ...
Embedded

Arduino launches 32-bit UNO board with Wi-Fi, cloud and 96 LED matrix

Arduino has launched its next generation of UNO boards, introducing a 32-bit Renesas microcontroller and Espressif ESP32-S3 module, one-click cloud connectivity and plenty of I/O plus a 12×8 red LED ...
Inverse

Making a Digital Wooden Clock Spell the Time

It’s amazing what you can make with a blonk of acoustic guitar wood, a string of LED lights, and some basic coding knowledge. Surely someone with a healthy imagination could figure out various ways to ...
Hackaday

led matrix

Over the summer [ElectroSmash] put the finishing touches on the Arduino Audio Meter, a shield for the Arduino Uno that visualizes various aspects of an incoming audio signal on a set of four 8×8 LED ...