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Phduino – The pH meter using Arduino board for Glass Electrode!

How many of them ever use the pH meter to measure the pH of foods/drinks in your daily living life? Honestly, even though pH meter isn’t a brand new gadget in nowadays, but it’s still an unfamiliar device for most of the households.

For those who have no idea, what is a pH meter for, it’s an electronic instrument, which is used to measure the pH (acidity or alkalinity) of liquid or half-liquid form. Normally, a typical pH meter is designed with a special measuring probe (A glass electrode) and connects to an electronic meter to measure the pH. After it, the pH reading is displaying on the screen.

While most of the pH meter is only a standalone device, it’s a challenging yet fascinating project, especially when we are going to build a phduino here.

phduino

Well, the phduino is a unique device, as it’s the combination of open-source pH meter using an Arduino board. This means, phduino is actually an electronic circuit, which is connected with a glass electrode pH sensor. It sounds like a very impressive device, isn’t it?

Practically, the phduino can be operated by only using a LCD to display the pH and the temperature data like a pH meter. It’s possible for you to control it using a computer by USB port too!

The trimpots are used to manually adjust the signal gain and the signal offset of phduino.

Frankly, the phduino is an ultra simple and easy to build pH meter. Therefore, don’t forget to spend a few hours and test out this awesome project!

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2 Comments

  1. You are a master Arduino. Wonderful article!!!

  2. I am grateful to you for this text. I was looking for a long time similar information.

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