The Arduino ecosystem is an amazing learning tool, but even those of us who love it admit that even the simplified C Arduino ...

When someone hacks together a digital camera with a Raspberry Pi, the limiting factor for serious photography is usually the ...

Zigbee is a protocol that has been around for quite a long time, and you can purchase many cheap smart sensors to incorporate ...

An ultraviolet light-emitting diode (UV-LED)-based photoacoustic spectroscopy (PAS) sensor is developed for trace sulfur dioxide (SO₂) detection. Different from the conventional photoacoustic (PA) ...

A multi-functional VOC (volatile organic compound) sensor composed of four parallel-connected quartz crystal resonators (QCRs) configured as a cascaded resonator was developed for VOCs identification ...