Aqara has now launched its official 2025 Prime Day sale, delivering some of the best prices of the year and some historical ...

As I've experimented and played with a lot of different sensors, I've discovered that these basic devices can be built for super cheap, and they're incredibly versatile. When you're done using an ...

As more reports of hidden cameras in hotel rooms surface, we investigate how to scour your travel accommodation for covert CCTV.

CES 2025: Aqara’s Newest ‘Presence Sensor’ Keeps the Lights on Better Than a Motion Detector A presence sensor uses wave radar technology to sweep a room, looking for the slightest movement.

A new motion sensor incorporates micromachined thermal transistors to facilitate human presence and motion detection in security systems, home automation equipment, and Internet of Things (IoT) ...

ESP8266 Telegram Motion Detector: A DIY home security system utilizing ESP8266 microcontroller, PIR sensor, and Telegram messaging service for real-time motion detection alerts. Easily configurable ...

Required Components for PIR Motion Sensor Light PIR Motion sensor Transistor BC547 (NPN) Relay module 12V Led strip Resistor 10k 12V DC socket Connecting wires 12V DC Adaptor / Battery PIR Motion ...