Liquid pH Value Detection Sensor Module V1.1 for Arduino (Analog pH Meter with Probe)

The Liquid pH Value Detection Sensor Module V1.1 is an analog pH measurement module designed to determine the acidity or alkalinity of liquid solutions. It includes a precision glass pH electrode and a signal conditioning circuit that converts the probe's high-impedance output into an analog voltage suitable for microcontrollers. Designed for Arduino, ESP32, STM32, and Raspberry Pi (with an external ADC), the module is ideal for water quality monitoring, hydroponics, aquaculture, laboratory experiments, and environmental sensing applications.

Key Features -

• Measures the pH value of liquid solutions from pH 0 to 14

• Includes precision glass pH electrode and interface module

• Analog voltage output for easy microcontroller interfacing

• Adjustable calibration using onboard potentiometer

• Real-time pH measurement with fast response

• High input impedance signal conditioning circuit

• Compatible with Arduino, ESP32, STM32, and Raspberry Pi (with ADC)

• Suitable for continuous water quality monitoring

• Easy integration into embedded and IoT projects

• Compact PCB design for prototyping and industrial applications

Specifications -

• Product type - Liquid pH Detection Sensor Module

• Model - V1.1

• Measurement range - pH 0 to 14

• Output type - Analog Voltage

• Operating voltage - 5V DC (Typical)

• Probe type - Glass pH Electrode

• Calibration - Adjustable via Onboard Potentiometer

• Response time - Fast Real-Time Sensing

• Package / Mounting type - PCB Module with External pH Probe

Applications -

• Water quality monitoring systems

• Hydroponics and aquaponics projects

• Aquarium pH monitoring

• Environmental water analysis

• Laboratory and educational experiments

• Industrial liquid monitoring systems

• Chemical process monitoring

• Arduino and IoT pH sensing projects