Just months after a life-changing cancer diagnosis, the creator and his team completed a 25,000-gallon stingray exhibit. More than a tank, it’s a message to never stop building, believing, or sharing ...

This project involves using an Arduino to measure distances using an ultrasonic sensor and controlling a buzzer and LED based on the measured distance. The provided Arduino code performs the following ...

Abstract: The relevance of pH assessment in clinical analysis, environmental and industrial control, has raised the demand for the development of portable, low cost and easy-to-use monitoring systems.

Abstract: Water pH measurement is vital as it provides fundamental information about its quality and suitability for agriculture, aquatic ecosystems, industry, and human consumption. Each of these ...

Upload the sketch, and then monitor serial. The example sketch will calibrate the device over 15 seconds, and then print the carbon monoxide ppm once every second to the serial console. In the MQ7 ...

College of Engineering, Guangzhou College of Technology and Business, Guangzhou 510850, China School of Materials Science and Engineering, South China University of Technology, Guangzhou 510006, China ...