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 ...

This photoelectric smoke detector circuit uses one LED and 2 LDRs to detect the smoke and sound an alarm. The LM1801 IC is the best choice for this circuit because we need a few external components ...

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 ...

CR's testers say these models from First Alert, Kidde, Siterwell, and Universal Instruments are great at protecting you and ...

Adding wireless features to your smoke and carbon monoxide detection system is one of the best smart home investments you can make, and Kidde’s solution won’t break the bank. Smart smoke detectors ...

While wiring may have some similarities with access control technology, fire code compliance demands a different approach ...

The Internet of Things is getting to be a big business. Google’s Nest brand is part of the trend, and they’re building a product line that fills niches and looks good doing it, including the Nest ...