An Arduino Uno pH sensor measures the acidity or alkalinity of a solution by detecting hydrogen ion concentration. It's commonly used in hydroponics, aquariums, and environmental monitoring for pH ...

If you want to know the acidity (or alkalinity) level of your pool or aquarium water, you need a pH meter. In this article, we present a pH meter that can accurately measure the pH value of a solution ...

Arduino Uno Flex Sensor Project Overview This project demonstrates how to use a flex sensor with an Arduino Uno to measure the bending of the sensor. The sensor's resistance changes with bending, ...

This present paper introduces an innovative approach to automatically monitor and control acidity or alkalinity in irrigation water. The system effectively calculated the amount of acidic or alkaline ...