There are a lot of presence sensors using a combination of PIR and High Frequency Radar Human Presence Detectors to get a combination of quick response and low movement detection like when sleeping.

The Neoliner Origin, the world's largest cargo sailboat, completed its maiden transatlantic voyage on Thursday (October 30) ...

M y adventures of building a smart home on a shoestring budget are taking an interesting turn. It turns out that I don’t need ...

There are several different paths to a smart home, and [Marcus] eventually settled on using ESPHome and ESP8266/ESP32 based devices to create a complete DIY smart home solution which covers his garage ...