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 ...

The projector has then been upgraded with an LED light source and other tweaks befitting its new role. An Arduino Pro Micro runs the show, firing off the camera to image each slide before loading ...

You know how when you were a kid, the box something came in was almost as fun as the toy itself? Well, that doesn't have to change as you get older -- provided you've retained that creative spark. Ben ...