This video shows the working principle of the advanced ultrasonic sensors from Physik Instrumente (PI). Developed for flow measurement and bubble detection, the PI ultrasonic sensors are ...

Ferrithemaker has published a new Raspberry Pi project to the Hackster.io website this week, providing details on how you can create your very own DIY Raspberry Pi intruder alarm and detection system.

The motion detector is not only used as intruder alarm but also used in many applications like home automation system, energy efficiency system, etc. The motion detector will detect the motion of the ...

Cheap stuff gets our creative juices flowing. Case in point? [Andy Grove] built an eight-sensor HC-SR04 breakout board, because the ultrasonic distance sensors in question are so affordable that a ...

Using the latest Raspberry Pi 4 Model B mini PC, you can easily create a sophisticated security camera system complete with a motion sensor. This setup will automatically send images taken using a ...