Features of the Arduino LED Matrix include : – Single-color 32 x 9 or 64 x 9 LED matrix display with several color options – ESP8266 controllable and programmable via Arduino ...

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 ...

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 ...

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.