Gravity: Analog Dissolved Oxygen Sensor / Meter Kit for Arduino / ESP32 - DFRobot

Dissolved oxygen meter is used to measure the dissolved oxygen in water, to reflect the water quality. It is compatible with most popular microtrollers like Arduino, ESP32 and Raspberry Pi.

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Calibrated Dissolved Oxygen Meter : 5 Steps - Instructables

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Gravity: I2C Oxygen Sensor Compatible with Arduino and Esp32 (0-25% Vol), High Sensitivity High Stablility High Anti-Interference

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Buy Gravity Lab Grade Analog Dissolved Oxygen Sensor / Meter Kit For Arduino

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Gravity: Analog Dissolved Oxygen Sensor/Meter Kit for Arduino : : Industrial & Scientific

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Gravity Analog PH Sensor Meter Kit V2 Compatible Arduino

Calibrated Dissolved Oxygen Meter : 5 Steps - Instructables

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