Testing Arduino pH Tester. We have tried this Arduino pH meter by dipping it into pure water and Lemon water, you can see the result below. Pure Water: Lemon Water: This is how we can build a pH ...

Arduino Nano; cheap pH meter probe with circuit; We used PH-4502C, which costs around 10 EUR, but it is unfortunately of a very low quality. However there are similar (compatible) probes on the market ...

The pH meter project features open software and open hardware design circuit which can be connected with an electrode pH sensor made of glass. The device is termed as pHduino which can operate by ...

Edit the PHEC_Meter.ino and add the voltage from AREF/GND pin to the float iREF = variable. Save and flash PHEC_Meter.ino to your Arduino; Disconnect the USB cable from the Arduino and connect the PH, ...

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 ...