DIY passcode lock system using Arduino(EEPROM based)

Have you ever seen Passcode lock system in some office and in some homes, its really interesting and cool right ! .It will make our home secure and smart i mean automated.it is a small part of home automation. I’am also saw one in my neighbour’s house. He bought it few days ago. he used to control his children from watching TV. I also really need one but not going to buy.”

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