As radar technology continues to advance, it offers an increasingly broad range of capabilities, making it a viable alternative to traditional passive infrared (PIR) sensors. With radar’s enhanced ...

Recently, I exhausted my stock of common passive infrared (PIR) motion sensor modules and was looking for a new one to play with. I searched the web for a small type with self-contained electronics.

(Passive InfraRed sensor) A device used to detect motion by receiving infrared radiation. When a person walks past the sensor, it detects a rapid change of infrared energy and sends a signal. PIR ...

TOKYO, Nov. 17, 2025 /PRNewswire/ -- SwitchBot, a leading provider of AI-enabled embodied home robotics systems, today officially launched its brand-new battery-powered Presence Sensor, equipped with ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. SwitchBot has launched its new battery-powered Presence Sensor, featuring a 60Hz mmWave radar, ...

Here is one simple circuit of a general-purpose white LED security light with Passive Infrared (PIR) Motion sensing mechanism. At the heart of the circuit is a PIR sensor module SB0061. SB0061 is a ...