Oxygen sensors detect the amount of oxygen in the exhaust. Oxygen sensors usually don’t have a replacement schedule. A bad oxygen sensor can be diagnosed with a code reader or scan tool. A car’s ...

A common sight in ‘smart homes’, door sensors allow you to detect whether a door is closed or open, enabling the triggering ...

LED bulbs often don't last as long as they should. We talked to the experts to figure out how to extend their lifespan. Tyler has worked on, lived with and tested all types of smart home and security ...

From screw-in bulbs and colorful LED strips to table lamps and outdoor string lights, check out the top smart lighting we've tested for illuminating your space and setting the mood. I'm PCMag's ...

Arduino test code is run to see if the sensors are working properly, with built-in LED flashing when the sensor is triggered, ...

Di et al. report a dual-band infrared photodetector employing size-engineered PbS quantum dots as spectrally selective absorbers in a unipolar barrier configuration, which can switch between near- and ...

Nanosensors are chemical or mechanical sensors that can be used to detect the presence of chemical species and nanoparticles, or monitor physical parameters such as temperature, on the nanoscale. They ...

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