This project utilizes an Arduino Uno CH340G development board paired with a DHT11 temperature and humidity sensor to create a compact yet capable environmental monitoring system. It measures ambient ...

Abstract: This article presents an optical sensing technique for estimating water-fill levels and stratification states inside closed plastic pipelines using multiwavelength visible light. Four LEDs ...

Abstract: Capacitive liquid level sensors are attractive for applications requiring long-term reliability and resistance to corrosion, such as in environmental experiments or domestic water monitoring ...