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and 3 pins
please ignore
which is typically an electrical circuit that enables a voltage to be applied across a load in either direction to an output
Dimensions:20 x 15 x 11 mm
The Arduino Pro Mini also works with the FTDI cable
G1/2" Hall Effect Flow Sensor Switch Lithium and 3 pinsWater flow sensor consists of a plastic valve body, a water rotor, and a hall effect sensor. When water flows through the rotor, rotor rolls. Its speed changes with different flow rate. The hall effect sensor outputs the corresponding pulse signal. This one is suitable to detect flow in water dispenser or coffee machine. We have a comprehensive line of water flow sensors in different diameters. Check them out to find the one that meets your need most.
