As I've experimented and played with a lot of different sensors, I've discovered that these basic devices can be built for super cheap, and they're incredibly versatile. When you're done using an ...

If you're looking to take the plunge into the world of ESP32 devices, then here's a basic overview of what you need to know.

Punna river in Vellarimala, Wayanad rises after heavy rains, landslip reported, evacuation underway, no-go zone enforced.

Installing a smart water sensor can save you a lot of money and hassle. The best models we've tested immediately alert you to leaks and even shut off your home's water supply.

An ESP32-C3 controls the terrarium; it uses a MOSFET circuit to drive the ultrasonic mister, an SHT30 sensor to measure humidity and temperature, and a PWM driver circuit to control the LEDs.

The sensors for monitoring different parameters in smart cities are becoming a hot topic for researchers all around the world. The smart grids are one of the main objectives of the smart city concept.

Whether you use an armband or chest strap, add some smarts to your exercise and training routine with one of the best heart rate monitors we've tested.

ROSonicCam is a real-time embedded system designed for multi-directional obstacle detection in robotics and drones. Built on the ESP32-WROOM platform, it integrates five HC-SR04 ultrasonic sensors , ...

The smart water controller for metro water supply lines described in this work makes use of a relay, an ultrasonic sensor, a flow sensor, a solenoid valve, GPS, ...