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Unformatted text preview: remote control is permitted during the operation System 1. The system must be plugged in a standard AC 110V-60HZ 3-pin outlet 2. The user account information, system configuration, and weekly activity logs must be saved in the system, even after the microcontroller is completely powered down Cost The total cost of the prototype must not exceed $200CDN 2.3 Background and Survey Throughout the history, a convenient storage system that could satisfy both security and privacy requirements had always been asked for. In ancient times, people hid things in a place that only they knew and hope other people would not find out. For example, pirates always hide treasure on a small pathless island. However, ancient methods neither guarantee the security or privacy of the goods nor provide convenient access for the user....
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- Fall '10