These devices have key drawbacks. Water level indicators require manual pump operation and often waste power as multiple LEDs ...

In this article, we will learn how to similar speed sensor using Arduino and IR sensor. By setting up the two IR sensors at a fixed distance from each other, we can track the time it takes for the ...

Researchers have developed a new optical sensor that provides a simple way to achieve real-time detection of extremely low levels of arsenic in water. Researchers have developed a new optical ...

Perfect for beginners, this all-in-one package includes essential components like sensors, relays, LEDs, and more, making it ...

The footpads of geckos have hydrophilic (water-loving) mechanisms that allow the little animals to easily move over ... Optical Fiber Sensor Provides Simple and Sensitive Detection of Arsenic in ...

Raspberry Pis are known for their versatility. And thanks to their general-purpose input/output (GPIO) pins, you can easily ...

THIS CODE IS OBSOLETE * It needs to be updated to be compatible with changes to the ESP32 standard libraries. Also, if fine granularity control is required, it needs to use long int arithmetic instead ...

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Looking for an alarm system to make you feel more secure? We've tested all the best professional and DIY home security systems to help you decide which is right to protect your family and property ...

Biosensors are devices used to detect the presence or concentration of a biological analyte, such as a biomolecule, a biological structure or a microorganism. Biosensors consist of three parts: a ...