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power jack
that can keep the mobile phone to be automatic action the tasks
Black wire - GND
· Pitch: 15mm
DFRobot Gravity: Analog pH Sensor/Meter Kit V2 Discovery power jackDFRobot Gravity: Analog pH meter V2 is specifically designed to measure the pH of the solution and reflect the acidity or alkalinity. It is commonly used in various applications such as aquaponics, aquaculture, and environmental water testing. FEATURES 3. 3~5. 5V wide voltage input Hardware filtered output signal, low jitter Gravity connector and BNC connector, plug and play, no welding Software library supports two point calibration and automatically
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