The dot matrix clock was built without the use of a regular Arduino board but uses the ATmega168 with Arduino bootloader and assembled on a breadboard. An RTC clock compensated by temperature is used ...

When a Minnesota outfit of all-star DIY-ers called 1.21 Jigawatts won this summer's Red Bull Creation Contest, we couldn't wait to have them create a project just for PM readers. Here, a couple of ...

NYC beaches are where tropical beaches addicted to meth go to die. So says [Vije Miller] in his write-up for his Arduino sand matrix printer. It’s a clever idea, five servo-operated cardboard plungers ...

In preparation for Makerfaire, [hwhardsoft] needed to throw together some demos. So they dug deep and produced this unique display. The display uses two synchronized peristaltic pumps to push water ...