Analog pH meter V2 is specifically designed to measure the pH of the solution and reflect the acidity or alkalinity. DFRobot ph sensor is commonly used in various applications such as aquaponics, ...

This library provides an interface for the Gravity: 7/24 Industrial Analog pH Meter Kit V2 specifically tailored for the ESP32 platform. This library adapts the functionality of the original Gravity ...

Abstract: We connected $\mathbf{p H}$ sensor and solar cell into Arduino Board to control data transmission via red laser communication or popular known as visible light communication (VLC). The ...