Abstract: In this paper we design and implement an embedded surveillance system by use of ultrasonic signal coding of ultrasonic sensors with multiple pyroelectric infrared sensors (PIR) to detect an ...

As radar technology continues to advance, it offers an increasingly broad range of capabilities, making it a viable alternative to traditional passive infrared (PIR) sensors. With radar’s enhanced ...

Let's first understand how a PIR sensor works. PIR sensor detects changes in infrared radiation emitted by objects within its field of view. This radiation is emitted by all objects with a temperature ...

You can create a release to package software, along with release notes and links to binary files, for other people to use. Learn more about releases in our docs.

Walk into a smart home, wave your hand, and the lights turn on. Step into an office hallway, and a motion sensor wakes up the lights ahead. Behind these little moments are two very different types of ...