基于RFID的家居智能寻物器的设计与实现

Design and Implementation of Home Furnishing Intelligent Finder Based on RFID

主要设计了一种家居智能寻物器,便于人们快速地找到钥匙、钱包、手机、公文袋等物品,节约时间.系统选择PT4450作为编码芯片,PT4303作为解码芯片,集成度高、电路搭建简单.系统采用RFID无线射频技术作为母机和子机之间的通信方式,距离可达30～40 m,且不受方向和障碍物的影响.系统实用性很强、成本低,适于工业上大批量成产.

This system is a kind of home furnishing intelligent finder. It is convenient for people to quickly find the keys, wallet, mobile phone bags and other items, saving your valuable time. The system selects PT4450 as coding chip, PT4303 as decoding chip. They are integration degree high, circuit structures simple. The system uses the wireless radio frequency technology as the mean of communication between host and slave. The transmission distance can be up to 30 meters to 40 meters, and it is not affected by the direction and obstacles. The system is practical, low cost, suitable for industrial mass production.