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Memorandum Digital door lock for the modern people who are busy but also have many things to remember and take care. In this hasty daily life, they always hurried out from the house and officially forgetting their important agenda in many circumstances. Door is where people have to go through and activated, so by inputting the important messages, people can prevent the unfortunate accident of forgetting the agenda. The usage of digital fan can able to make the needed information recorded and without using any pens, just sending message when people are even at the outside of the house.
Hongik University
Seoul, South Korea
Professor Sung-gul Hwang
Hongik University
Seoul, South Korea
Jihyun Kim