A JSN-SR04T ultrasonic sensor, connected to an ESP8266 to calculate the water level in a water tank.

For Arduino IDE, download zip file from the repository (Github page) by select Code dropdown at the top of repository, select Download ZIP From Arduino IDE, select menu Sketch -> Include Library -> ...

The hydrophobic micelles and self-hydrophobization process induced from ultrasonic dispersion in the polymer matrix gave an outstanding hydrophobic performance (water contact angle of 130.4°) and ...

Thus, they entered a heart rate sensor to our 2025 One Hertz Challenge! The build is based around a Wemos D1 mini, a ESP8266 development board.

This paper provides details about the design and operation of a Collision Avoidance System in smart cars, with the Arduino board as the central control unit, interfaced with an ultrasonic sensor, LEDs ...

Arduino Uno – Powered Parking Guidance System with Ultrasonic Sensors" is a smart and innovative solution for simplifying the parking process in crowded urban environments. This paper leverages the ...