Ph Sensor Calibration

Hello, I'm trying to calibrate my Ph sensor, I've seen videos that they short the circuit then adjust a screw in the Ph sensor's board to set the voltage to 2.5v, I've tried this but it keeps giving me 3.3v, any one knows how to deal with this? please help

Please post URLs to the devices you mention.

https://youtu.be/zUEl3Y3yKL4?si=gzBzMu-sVpKFBQ8s I’m trying to do what this guy did, but i couldn’t adjust the voltage

He’s using arduino instead of a raspberry pi

What A/D converter do you have?

ADS1115

Without the wiring diagram and code it is impossible to say. It could be either a software issue or a hardware issue.