Based on your application, you can use any sensor as you want in place of the DHT11 sensor. For example, if you want to trigger an SMS alert when motion is detected, then you might opt for a PIR ...

Step into the future of crowd analytics with our AI-powered face-counting system, designed for open gatherings where entry ...

The solution employs around four pyroelectric infrared (PIR) sensor based hardware systems coupled with a novel dictionary learning algorithm. The work successfully carries out the recently proposed ...

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We love Arduino here at Hackaday; they’ve probably done more to make embedded programming accessible to more people than anything else in the history of the field. One thing the Arduino ...

used here a PIR sensor, connected to the Arduino microcontroller, and attach to the web server for notifying via twitter. The result seems satisfy, the motion sensor read an input well and with a ...

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This project implements a Wi-Fi-enabled motion sensor system that detects movement using a PIR sensor and sends real-time alerts via HTTP. The system is designed using Raspberry Pi Pico W and written ...

It is designed to navigate disaster-struck areas, detect humans using thermal imaging, determine motion using PIR sensors, and report precise GPS coordinates via GSM-based SMS alerts. The system ...