An earlier version of this automatic gateman system, built around a camera-based design, was published on the Electronics For ...

The Raspberry Pi line of single-board computers can be hooked up with a wide range of compatible cameras. There are a number of first party options, but you don’t have to stick with those—there are ...

Prefer Newsweek on Google to see more of our trusted coverage when you search. Restaurants, convenience chains and delivery apps across the country are marking National Pi Day on March 14 with ...

Pi Day is an annual national celebration of the mathematical concept, which is the ratio of a circle's circumference to its diameter and equals 3.14... March 14 is also reportedly the birthday of ...

When it comes to hacks, we’re always amazed by the aesthetic of the design as much as we are by the intricacies of the circuit or the cleverness of the software. We think it’s always fun to assemble ...

This year people in Scientific American’s New York office brought in pies ahead of Pi Day, but we know there must be stranger and more interesting ways to celebrate the iconic number. How have you or ...

You can build a privacy-first security camera with Raspberry Pi Zero 2 and open-source firmware. The project includes end-to-end encryption, on-device ML, encrypted push notifications, and OTA updates ...

Do you use a Canon EOS R mirrorless camera? From wide-angle to telephoto, these are the top lenses we've tested for the platform.