Grain dispenser and method of controlling same

A grain dispenser comprising:

• a storage comprising a plurality of storage hoppers for respectively storing different kinds of grain;
• a container configured to accommodate the kinds of grain to be dispensed from the storage;
• a water supply configured to supply water to the container;
• a water drainer configured to drain the supplied water from the container;
• a container actuator configured to rotate the container by a predetermined angle in order to mix and wash the kinds of grain that are accommodated by the container;
• an artificial intelligence device configured to identify a user who makes a request for meal cooking, based on receiving the request for meal cooking from the user, and to learn a kind of grain to be dispensed, an amount of grain to be dispensed, and a multigrain mixture ratio that are preferred by the user, according to a grain dispense record of the identified user;
• a memory device configured to store customized data of the user including at least one of the kind of grain to be dispensed, the amount of grain to be dispensed, or the multigrain mixture ratio that are preferred by the identified user according to a result of the learning by the artificial intelligence device;
• and
• a controller device configured to:
• control the storage such that the kinds of grain that are stored in the storage are dispensed,
• control the container actuator to stir the kinds of grain that are accommodated in the container and to wash a multigrain mixture resulting from the stirring, and
• control the water supply and the water drainer such that the multigrain mixture is macerated in a certain amount of water for meal cooking for a certain maceration time, based on the customized data of the user corresponding to the received request.