【摘要】 通过单片机和无线收发模块,发送和接收信息,快速准确地寻找到丢失的物品。需要寻找物品时,发射机发出信号,当接收机收到信号后,以蜂鸣器和二极管加以声光指示,实时信息传输迅速定位丢失物品,寻找距离可达到10米。更多还原

【Abstract】 Send and receive information through the MCU and wireless transceiver module to find lost items quickly and accurately.When the item needs to be found,the transmitter sends a signal.Then the receiver receives the signal,the buzzer and the diode are used to indicate the sound and light,and the real-time information transmission quickly locates the lost item.The distance can reach 10 meters.更多还原