Our project is infact an Arduino with Serially Interfaced MAX7219 Operates an 8X8 LED Matrix to display a heart pattern. The MAX7219 IC is a serial input/output common-cathode display driver that ...

It looks simple enough – a 64-LED matrix illuminates as the pen draws shapes. But how does the circuit know which LED is under the pen? Good old fashioned matrix scanning is the answer.

Posted in Arduino Hacks, LED Hacks Tagged acrylic, adafruit, arduino, art, aurora, borealis, led, matrix, northern lights, paint, painting, shadow box, vellum ← Help Decipher The DEFCON Badge ...

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 ...