As I've experimented and played with a lot of different sensors, I've discovered that these basic devices can be built for ...

This affordable little device does double duty by controlling your smart lights hands-free and offering peace of mind while ...

The National Fire Protection Association recommends installing “smoke alarms inside each bedroom, outside each sleeping area and on every level of the home, including the basement.” Smoke ...

If batteries are built-in, the detector may need to be mailed back. David Goldstein, an environmental resource analyst with the Ventura County Public Works Agency, can be reached at 805-658-4312 ...

Use cases: As with all other weather sensors, the agricultural uses are the most obvious. Even at home, high wind can mean an alert is sent to lower outdoor umbrellas, for example. With newer ...

This smoke alarm built using a UM3562 sound generator can help maintain a smoke-free environment in apartments, offices, factories, restaurants, hospitals, etc. In this article, we’ll explore the ...

Bleeding is blood escaping from the circulatory system. The complete loss of blood causes death. Stopping bleeding is an important part of both first aid and surgery. This paper presents an automated ...

A 16-year-old aspiring inventor, Kelvin Frimpong is capturing people's attention with his remarkable inventions, despite facing the harsh reality of struggling to make ends meet.

This paper introduces a design method and a hardware circuit of burglar alarm circuit based on the magnetic field sensor, which can be used to achieve the protection of valuables. The circuit design ...