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.

Let me introduce another simple microcontroller-based do-it-yourself circuit that detects motion and excites a light source in a flash. The “snooper” here is an ordinary passive infrared (PIR) motion ...

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 ...

Micro:bits are being used to help primary school pupils get an understanding of machine learning. Back in 2015, the BBC micro:bit was created to help pupils understand the world of coding in a ...