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 ...

Roost’s smart smoke alarm connects to Wi-Fi, comes with a companion app, and lets you know when it’s low on battery. The alarm also alerts you and your loved ones when it detects smoke, just to make ...

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 ...