Split-flap displays are a great, low-power way to display text to a wide audience. Compared to other display technologies like LCDs they only use energy when the characters change, but have fallen out ...

The RootBoard is a handheld computer kit with a 3.5 inch color display, a 70-key thumb keyboard complete with function keys, and a built-in speaker plus what looks like a decent s ...

This Frigate server monitors my home and, unlike cloud-based alternatives, protects my privacy ...

Inductive sensors are non-contact proximity sensors that detect ferrous targets, ideally ones made of mild steel thicker than one millimeter. They consist of four major components: a ferrite core with ...

January 17, 2023 • Learning about climate change? Here's a comic for kids about what it is and how it's affecting the planet — as explained by kids who are experiencing it. And find out how to print ...

The new Banana Pi BPI-R4-NIC-BE14 expansion module brings MediaTek MT7995AV-powered Wi-Fi 7 to R4 and R4 Pro OpenWrt routers.

Installing a smart water sensor can save you a lot of money and hassle. The top leak detectors we've tested immediately alert you to issues and even shut off your home's water supply. I’ve been ...