A small project to scroll messages from a MariaDB/MySQL database on a server to the LED Matrix on the Arduino UNO R4 Wifi, like the one I have and as shown below in the picture. The code should be ...

It introduces how to download libraries for the LED Backpack and how to use it to display a scrolling bar graph of microphone input amplitude. This will effectively allow students to visualize sound ...

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 ...