Most often ultrasonic transducers are used for distance measurements, and in the DIY world, usually as a way for robots to detect obstacles. But for a weekend project, [Vinod.S] took the ultrasonic ...

LOUISVILLE, Colo., May 30, 2019 – Inovonics, an industry leader in high-performance wireless sensor networks for life safety applications, announces the release of its new EH4104R single zone fire RF ...

Members can download this article in PDF format. In this design idea, you will learn how to interface two PIC microcontrollers using a wireless 433-MHz RF transmitter/receiver pair to control up to ...

This infrared alarm barrier can be used to detect persons passing through doorways, corridors and small gates. The transmitter emits a beam of infrared light which is invisible to the human eye. The ...

The best wireless headphones and best true wireless earbuds let us enjoy audio content without being tethered to our laptop, smartphone or tablet. But as convenient and packed with features as they ...