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Journal of Emerging Trends in Engineering and Applied Sciences (JETEAS)
ISSN:2141-7016
| Abstract: This paper reports the design and construction of a security system. The system will produce sound of a barking dog at audible frequency of 9 KHz. The design procedure and principle of operation of the various modules as presented in this work are based on the locally available electronic components |
| Keywords: infrared, transmitter, receiver, frequency, multivibrator, stable, monostable, voltage |
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