We’re still not sure exactly how [connornishijima]’s motion detector works, though many readers offered plausible explanations in the comments the last time we covered it. It works well enough, though ...

This Arduino project utilizes a Passive Infrared (PIR) sensor to detect the presence of obstacles and an ultrasonic sensor to measure the distance to the detected obstacle. The system is designed to ...

It is likely that many of us will at some time have experimented with motion detectors. Our Arduinos, Raspberry Pis, Beaglebones or whatever will have been hooked up to ultrasonic or PIR boards which ...

This project is a simple motion detector built using an Arduino board, a PIR motion sensor, and an LED. When motion is detected, the LED lights up for a short duration. Detects motion using a PIR ...

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Discover the updated Arduino IoT water leak detector: smarter, more efficient, with advanced monitoring and alert systems for the modern smart home. Following the Elektor article presenting the water ...