Silicon, photodiodes, and a lot of uncertainty. I set out to build a basic camera sensor—and quickly found out why this stuff ...

Hi, I'm Bill. I'm a software developer with a passion for making and electronics. I do a lot of things and here is where I document my learning in order to be able to inspire other people to make ...

Discover the best smart home sensors you need in 2025, from motion to temperature, and learn how these smart home essentials ...

It’s a good idea to install cameras in shaded spots, such as under eaves, to protect the lens from the glare of the sun and ...

The Meross MS600 Smart Presence Sensor uses mmWave radar and PIR tech for precise motion and presence detection ...

A multimeter might look intimidating, but learning to use this simple electrician's tool will come in handy during a number of every day tasks.

Sometimes space exploration doesn't go as planned. But even in failure, engineers can learn, adapt, and try again. One of the ...

A team at Iowa State University has developed a tool to help residents living in homes with no air conditioning to stay safe ...

Boron nitride sensors enable quantum measurements under crushing pressure, redefining high-pressure physics. The quantum ...

The Google Nest Doorbell (wired, 3rd gen) packs high-res video, but its brilliant Gemini AI is the biggest justification for ...

The best choices right now are the Kidde/Ring collaboration detectors ($75) that work with the Ring app for free, and the Nest/First Alert detectors ($130) that work with Google Home. They both send ...