You can build something cheaper and more customizable with an ESP32 or a Raspberry Pi, and that's what I did. It's beautiful, ...

It turns out they are, if you’ve got some plain old 8×8 LED matrix displays you want to jazz up a bit. In this case, [upir]’s displays were of the square pixel type, ...

Join us on Wednesday, June 9 at noon Pacific for the LED Matrix Hack Chat with Garrett Mace! It’s pretty amazing how quickly light-emitting diodes went from physics lab curiosity to a mainstr… ...

After soldering on a TCRT5000 infrared sensor and figuring out a way to secure the matrix onto the tiny board, mitxela had most of what he needed. Well, except the software.

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 ...