Abstract: The invention relates to a device and a method for controlling the flow of a liquid. In a learning phase, the flow rate of a liquid is measured for a given time period (t), the start and the end of this time period being indicated by a user. The value of the volume of liquid (V) dispensed during this time period is calculated from the duration (t) of the time period and from the flow rate measured during the time period, and this measured liquid volume value is stored as a reference value (V1-VN). Thus, during a use phase, the volume of liquid dispensed is measured, and when the value of the measured volume reaches the reference value (V1-VN), the flow of the liquid is shut off.