Using a pH Meter - Everything You Need to Know About pH

pH Sensor: What Is It and How Does It Work?

This video introduces the Gravity: Analog pH Sensor/Meter Kit V2 and explains how it works. This is specifically designed to measure the pH of the solution and reflect the acidity or alkalinity. 

Types of pH Sensors: What You Need to Know

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Need to measure water quality and other parameters but haven't got any low-cost pH meter? Find it difficult to use with Arduino? DFRobot analog pH meter, specially designed for Arduino controllers and has a convenient and practical "Gravity" connector and a bunch of features. Instant connection to your probe your Arduino to get pH measurements at ± 0.1pH (25 ℃). For most hobbyists, this great accuracy range and its low cost make this a great tool for biorobotics and other projects! Learn more🤖

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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 the 5V and 3.3V main control boards. 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. Learn more🤖

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Gravity: Analog pH Sensor / Meter Pro Kit For Arduino is a professional Arduino pH Sensor Meter Kit with an industrial electrode. The industrial ph sensor for Arduino has a built-in simple, convenient, practical connection and long life (up to 1 year), which makes it very suitable for long-term online monitoring. Learn more🤖

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As an upgraded version of pH meter pro V1, the secondary generation pH meter pro 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 boards, such as Arduino and LattePanda. It uses an industry electrode and has a built-in simple, convenient, practical connection and long life, very suitable for online monitoring. Learn more🤖

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This Gravity: Analog Spear Tip pH Sensor / Meter Kit can directly stab into semisolid material to measure the pH value. This kit is Arduino compatible and easy to use. It helps you to quickly build a pH meter to measure the pH value of soil or foods directly. Learn more🤖

Wanna find out how to choose a PH sensor that best suits your project, using our Liquid Sensor Selection Guide to help you explore our whole liquid sensor series.

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Project of pH Sensors: What You Can Do with Them

1. DIY Ph Meter using PH Sensor & Arduino with OLED Display

 

This project shows how to design a Ph Meter by Interfacing Analog Ph Sensor with Arduino.

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2. Water pH Monitoring for Hydroponic Plant

 

Sense the water pH of a hydroponic plant with Arduino Nano 33 BLE Sense and determine if it's right using an Edge Impulse trained model.

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3. Tutorial for analog pH sensor that's compatible with both Arduino and Raspberry Pi

 

An overview and tutorial for an analog pH sensor that's compatible with both Arduino and Raspberry Pi.

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If you're curious about the science behind the products. Wanna know how the transparent screen and QR scan sensors function, welcome to the DFRobot YouTube channel.

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