PC Magazine is your complete guide to computers, phones, tablets, peripherals and more. We test and review the latest gadgets ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Adrienne Maxwell Adrienne Maxwell is an editor covering AV gear. Her specialty ...

Can an ESP32 detect people without cameras or motion sensors? Discover how Wi-Fi signal disturbances, CSI, and smart DSP enable real-time occupancy and mov ...