The hardware setup shown below includes the Arduino Uno R4, a DHT11 sensor, and the built-in Wi-Fi for email alerts. The DHT11 is connected with VCC to 5V, GND to ground, and the data pin to Digital ...
The sendEmail () function is responsible for triggering the email alert when an object is detected. A secure Wi-Fi client is ...
Civilians stranded during clashes between M23 rebels and the Congolese army arrive on the shores of Lake Tanganyika, in South Kivu province on December 14, 2025. Fighters in eastern Democratic ...
Abstract: Fire represents a devastating threat to both human life and natural ecosystems, characterized by its uncontrolled spatiotemporal combustion. To mitigate this danger, this project details the ...
This project proposes the creation of a standalone alarm system based on an Arduino Nano board (ATmega328P) combined with a BK A7670E 4G GSM module. The system allows for remote activation and control ...
Abstract: This study presents the design and implementation of an energy-efficient, automated system designed to significantly reduce the time required for the printed circuit board (PCB) etching ...
Unlock the power of everyday items with these three clever DIY life hacks! Learn how to craft a compact pen-light using a ballpoint pen, LED, and button cell battery, build a simple electric motor ...
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