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 ...

How to Make a Hard Drive Projector Although making a hard drive projector may seem complicated, the end result is quite rewarding and will make you forget the initial challenges.

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.