The modern hacker wields a number of tools that operate on the principle of heating things up to extremely high temperatures, so a smoke ... gas sensor. So how does it work? If the detector ...

Imagine a smoke detector not just for fires, but for deadly toxins—one that could sit quietly in an airport, train station, ...

We’ve all heard of the smoke test ... has a Texas Instruments OPT101 photodiode sensor. The sensor is connected to one of the analog inputs of an Arduino, which also runs a 128×64 pixel ...

However, aerosolized particles, such as dust and moisture, generated by routine cooking, cigarette smoke, etc. can flow into the detector, setting off an unwanted alarm, which is in turn triggered ...