Ben Purdy apparently kept his imagination nimble and, with the help of a projector, a piezo element and an Arduino (of course), turned a plain ol' box into a real life Minecraft block.

Got an old shoebox, a magnifying glass, a few Lego blocks, and some duct tape? You too can make your own iPhone projector by following this Instructables project.

This time around, he wanted to move beyond the “module mix-and-match” style of construction, so rather than use an Arduino and stepper shield, he rolled his own controller PCB to hold an ESP32 ...