Design of Ultrasonic Ranging Alarm Device Based on SN8P2501B

Abstract:

Introduced one ultrasonic ranging alarm device based on SN8P2501B microcomputer, it mainly included ultrasonic emission circuit, receiving circuit, keyboard, alarm circuit and the software. Compared with the traditional ranging methods, the system used 555 time-base circuit to produce ultrasonic, and designed a temperature compensation circuit to eliminate effect of sound velocity produced by the environment temperature. The practical application results show that the ranging system is stable , reliable and highly accurate, so the technology and methods adopted in the system are highly practical and worthy of being used abroad.

• Periodical: Applied Mechanics and Materials (Volume 538)
• Pages: 344-347
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.538.344
• Online since: April 2014
• Authors: Pan Feng Zhang*, Ling Kun Ma, Hui Zhen Li
• Keywords: 555 Time-Base Circuit, SN8P2501B, Temperature Compensation, Ultrasonic

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