Gravity: Analog Water Pressure Sensor
SKU: SEN0257
This is the DFRobot Gravity SEN0257 Analog Water Pressure Sensor, featuring a 3-pin Gravity interface. It supports 5V input and 0.5~4.5V linear voltage output, compatible with Arduino controllers. With the Gravity IO Expansion Shield, it plugs into Arduino wiring-free. It helps diagnose water presence and pressure, ideal for smart home, IoT, and device detection. Pair with other sensors (e.g., solenoid valve) to build smart water control systems.

