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Liquid Ph 0-14 Value Detection Regulator Sensor Module Monitoring Control Board Meter Tester + Bnc Ph Electrode Probe Controller - Ph Meters - AliExpress
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Ersatz PH Meter Elektrode Sonde Controller BNC Anschluss Sensor mit Puffer Pulver 100cm für Aquarium Hydrokultur Labor - AliExpress Werkzeug
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A low-cost, accessible, and high-performing Arduino-based seawater pH control system for biological applications - ScienceDirect
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Analogue pH sensor/meter kit for Arduino/use it for your aquaponics or fish tanks or other materials that need measurements. : Amazon.de: Pet Supplies
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pH sensor, temperature sensor, water sensor circuit and servo connection. | Download Scientific Diagram
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