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 ...

RGB color sensors are examined as an economical replacement for non-lighting based occupancy sensors such as PIR sensors and ultrasonic sensors. RGB color sensors are inexpensive and able to ...

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) ...