The Outdoor Cam Pro offers the same 3D motion detection and Bird's Eye View features as the Ring Spotlight Cam Pro ($229.99). The 3D motion detection feature allows you to create custom motion zones ...

The $50 sensor runs on two coin cell batteries so you don’t need a nearby power source for installation.

u2028The Aqara Presence Multi-Sensor FP300 is now available worldwide via Aqara’s website, official retailers, and Amazon ...

Teradar's sensor uses the terahertz part of the electromagnetic spectrum, and combines the best traits of radar and lidar ...

Just about every “getting started with microcontrollers” kit, Arduino or otherwise, includes an ultrasonic distance sensor ...