Halloween is coming up faster than you think: time to dust off the gravestones and the zombie lawn decorations! This year you may want to add a little something extra to give the trick-or-treaters a ...

Bermuda enables device proximity in a room without using any trackers or apps. Using an ESP32, it works as a Bluetooth proxy, ...

[Russ Maschmeyer] and Spatial Commerce Projects developed WonkaVision to demonstrate how 3D eye tracking from a single webcam can support rendering a graphical virtual reality (VR) display with ...

The inspiration for this project came from the artwork shown here, prepared by my neighbor who is a carpenter. The project was nothing more than a bathroom washbasin mirror with a bunch of lamps ...

Let me introduce another simple microcontroller-based do-it-yourself circuit that detects motion and excites a light source in a flash. The “snooper” here is an ordinary passive infrared (PIR) motion ...

Your garden variety motion detector uses IR, but these days, there are fancier technologies for achieving similar goals. If so desired, you can source yourself a microwave-based presence sensor ...

In an earlier column, I introduced my 12x12 ping pong ball array. As you may recall, each of the ping pong balls is equipped with a tricolor LED in the form of a WS2812B. These are commonly known as ...

A project at Shanghai's Fudan University and the Chinese Academy of Sciences could lead to improved motion sensors for machine vision and other applications. The bio-inspired design stems from ...

Auro is a small, fast, and nearly invisible motion sensor from Basalte designed by Klaas Arnout and Sandra Maes. When mounted on the ceiling, its flat design allows it to seamlessly blend into the ...