What happens when you combine an Arduino-based microcontroller with a palm-sized aluminum box and clicky buttons? A fidget ...

Here we describe an electronic system that uses a dedicated water-level sensor to switch off the pump motor as soon as the ...

This looks like one of those projects that started out as a glimmer of an idea and led down a rabbit hole. But it’s a pretty cool rabbit hole that leads to homebrew neon seven-segment displays on a ...

Do you like buses, or do you just like the flippy-flappy displays they use to show route information? Either way, you’ll probably love the flip-disc clock created by [David Plass]. The build is based ...

The mission and faculty ("the sacred power") to act in persona Christi. Configuration to Christ as Priest, Teacher, and Pastor. The imprinting, as in Baptism, of an indelible character that cannot be ...