These functions are realized by the circuits of power, clock, memory, ultrasonic pulse signal occurs and handle, temperature gathered and serial communication in system.
Ultrasonic wave communication can be realized with lower cost of using the present invention.
使用本发明能够在成本较低的情况下，实现超声波通讯。
3
The concept of the system hardware is discussed. This paper presents also the interfaces of LCD, ultrasonic sensor, motor drive and wireless communication.