A flow meter for a home appliance, in particular a dishwasher or a washing machine, the flow meter comprising a control unit (10) having a first power supply terminal (16), a second power supply terminal (18) and a digital input terminal (14) which is connected to the second power supply terminal (18) via a limiting element (12), wherein the digital input terminal (14) is configured to receive digital voltage signals; a movable element which is moved by a flow of a fluid and which comprises at least one movable magnetic element; and a magneto-sensitive unit (100) which is arranged to detect a magnetic field or flux applied by the movable magnetic element, and which comprises a signal terminal (114) configured to be connected to the digital input terminal (14) of the control unit (10) and a reference terminal (116) configured to be connected to the first power supply terminal (16) of the control unit (10); wherein the magneto-sensitive unit (100) comprises a magnetic sensor element (120) having two output terminals (126, 127) connected to the signal terminal (114) and the reference terminal (116), respectively, of the magneto-sensitive unit (100) and a power supply terminal (128); and a buffered power supply unit (130) connected to the signal terminal (114) and the reference terminal (116) of the magneto-sensitive unit (100), and configured to provide a continuous auxiliary voltage (Va) at the power supply terminal (128) of the magnetic sensor element (120).
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