Reverse polarity is one of the most common causes of circuit failure, from hobby projects to industrial systems. The good news is that a well-designed reverse polarity protection using MOSFET ...

They're reference designs for a reason.

This engineer doesn’t use nail polish, but his wife does. And he deals with plenty of PCBs. What do these things have in ...

If your car came from the factory with halogen or HID bulbs, you’re going to need to replace them or upgrade them down the line. Both of these bulb types lose light output over time; thus, even if ...

Tyler has worked on, lived with and tested all types of smart home and security technology for over a dozen years, explaining the latest features, privacy tricks, and top recommendations. With degrees ...

Artists have played a vital role in defining the American city only to be forced out when rents rise. A novel approach in San Francisco seeks to break the cycle. By Zachary Small and Ian C. Bates A ...

We’ve always been interested in fluidic logic and, based on [soiboi’s] videos, he is too. His latest shows how to use silicone and a vacuum to build a multiplexed dot matrix display.

Arduino test code is run to see if the sensors are working properly, with built-in LED flashing when the sensor is triggered, and turning off when the sensor is released. The testing of the keys ...

Cyberdecks are great projects, and [Salim Benbouziyane]’s scratch-built CM Deck is a fantastic specimen. It’s a clamshell-style cyberdeck with custom split keyboard, trackpad, optional ...

February 15, 2026 • This band of airborne health workers bring essential medical care to isolated communities in the southern African nation. In addition to turbulence, they face a new obstacle: ...