Tag: Environment

Gravity: Analog pH Sensor Meter Kit for Arduino - Liquid Sensor Module for Environment Water Solution Monitor (Industry Level)

Gravity: Analog pH Sensor / Meter Pro Kit For Arduino Note: After you received your package! You may found some white particles on the protection foam which is the KCl crystallization from the cap. Please don't worry about the crystallization in the packing box, that's normal. Actually, since the transportation restriction on liquid, we have […]

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