Much like the low-fluid warning light in a car, a new wearable sensor linked to a smartphone app is set to alert people when their hydration levels are dangerously low. The device could be a big help ...

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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 sensor ...

Abstract: This research aims to develop a RADAR system using an ultrasonic sensor (HC-SR04), servo motor (SG90), and Arduino UNO. This RADAR system can detect objects in the vicinity and display ...

I recently had to build an infrared close proximity sensor that could tell if something was dropped in a parcel delivery drop box. After some searching, I ended up using a microcontroller and a piece ...

The Chameleon water soil water sensor, developed by Australia’s national science agency CSIRO, appears to be popular among smallholder farmers in developing countries. Farmers using the Chameleon in ...

Watch products with ShopSavvy for price drops, stock alerts, deals and more. If you're tinkering with Arduino or Raspberry Pi projects, you might be considering the WWZMDiB SG90 Micro Servo Motors and ...

The sensors will cost less than $10 each and are designed to detect opening doors and windows, motion indoors and out, and leaking water. The sensors will cost less than $10 each and are designed to ...

Whether you're a new plant parent or have been tending to an expansive collection for years, chances are you struggle to keep up with a regular watering schedule. Oftentimes, it isn't as ...