On top of the table, a metal sphere attached to the magnet moves through craft sand to draw attractive patterns. An Arduino and Raspberry Pi work together to command the stepper motors to create ...

This photo taken with a mobile phone shows people watching a sand table model of a real estate project in east China's Shanghai, May 28, 2024.

In that case, it can be mesmerizing like this Arduino-driven kinetic sand table. What you can’t see. Image via [thang010146] on YouTube Like many of these builds, it all started with an ordinary ...