PH Limit: This potentiometer is to sets a limit value of the pH sensor circuit that causes the red LED to light up and the Do pin signal to turn ON. Connect Po to Analog input A0 on Arduino, and G to ...

pH Sensor with Arduino and Display System The pH Sensor with Arduino and Display System is a compact and efficient solution for measuring and displaying the pH levels of soil or water. By connecting ...

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 sensor was ...

Background: Accurate pH measurement is vital in diverse settings such as water quality assessment, food production, and laboratory procedures. This study introduces a pH meter design utilizing the ...