Arduino UNO R4 Wifi SQL to LED Matrix 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 ...

The Arduino Language Server is the tool that powers the autocompletion of the new Arduino IDE 2. It implements the standard Language Server Protocol so it can be used with other IDEs as well.

The Arduino runs as a low-power server which allows [Josh] to access it via a secure website login. From there, he can send a WOL packet to his various computers to wake them up.

[Stewart] tipped us about his very nice project: pokewithastick. It is an Arduino compatible board (hardware, not footprint) based on the ATMEGA1284P which can be programmed to collect and post dat… ...