How pH Sensor Calibration Works - Using Gravity: Analog pH Sensor/Meter Kit V2 - SEN0161-V2

In this video, we will talk about the principle of pH calibration. We're still using the Gravity: Analog pH Sensor/Meter Kit V2 to measure the pH of the solution. DFRobot pH sensor is commonly used in various applications such as aquaponics, aquaculture, and environmental water testing.
Gravity: Analog pH Sensor/Meter Kit V2 ►
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As an upgraded version of pH meter V1, this product greatly improves the precision and user experience. The onboard voltage regulator chip supports the wide voltage supply of 3.3~5.5V, which is compatible with 5V and 3.3V main control board. The output signal filtered by hardware has low jitter. The software library adopts the two-point calibration method, and can automatically identify two standard buffer solutions (4.0 and 7.0), so simple and convenient. You may also check Liquid Sensor Selection Guide to get better familiar with our liquid sensor series.
Timestamps:
Introduction to the principle of pH 00:00
Principle of pH calibration 01:10
The influence of temperature on pH 03:53
Answers to some questions 04:32
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[@DFROBOTCN]

There's Everything You Need to Know About pH ► community.dfrobot.com/makelog-312602.html

[@99klicks59]

I have a Problem i can enter the PH calibration MODE with “ENTERPH”
but not able to “CALPH” when I enter this word in CMD Serial monitor nothing happens.

[@leonidas047]

Thank you for the video, sir. I am a newbie in this hardware development, and one of my projects is related to your ph sensor. It would be great if you could let me know how you set up your ph sensor housing or cover. Thank you very much.

[@jishnujp7741]

my ph analog output is constantly chamging