This home smoke detector circuit warns the user against fire accidents. It relies on the smoke that is produced in the event of a fire and passes between a bulb and an LDR, the amount of light falling ...

Because ionization-based smoke detectors are cheap and efficient, they are often installed in the garage and other outbuildings as well as in the house. Those locations pose a need to transmit the ...

Ionization smoke alarms use a battery and two metal plates, called electrodes, to create an electrical circuit. Ions are tiny, electrically charged particles that flow through the circuit and between ...

The RSA-400 looks like your ordinary, everyday smoke detector. The included Roost Smart Battery enables it to connect to your Wi-Fi network, and that’s how it sends alerts to your smartphone if the ...

Kidde announced three new home safety devices that it says respond to dangerous conditions 25 percent faster than the competition: a battery-powered smoke detector, a battery-powered smoke and carbon ...

Add Yahoo as a preferred source to see more of our stories on Google. Properly installed smoke detectors are often the first line of defense against a house fire, keeping the homeowner informed and ...

A doorknob cover can keep your curious toddler out of areas that may not be fully childproofed. Here are the most effective ones from our tests.