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Abstract
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Article Information:
Remote Controlling of Light Intensity Using Phone Devices
Beza Negash Getu and Hussain A. Attia
Corresponding Author: Beza Negash Getu
Submitted: March 9, 2015
Accepted: April 2, 2015
Published: August 05, 2015 |
Abstract:
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In this study, we investigate the design and simulation of an electronic system for remote controlling the level of light intensity of an electrical lighting system used for a certain desired application. The remote controlling is done using the keypad of any Dual Tone Multi Frequency (DTMF) based telephone handset. A DTMF tone command sent from a transmitting fixed or mobile phone terminal will be used to activate a system of relays that control the required level of light intensity. An appropriate active bandpass filters are designed for recognition of the DTMF tones of the transmitted digit. The bandpass filters and the additional subsequent stages of the overall electronic system are simulated and tested using MULTISM. Light intensity controlling is useful to avoid unnecessary electrical power wastage and the remote controlling eliminates the physical presence of a person for adjusting the required level of lighting at the desired location.
Key words: Bandpass filters, DIAC, dimmer, DTMF, op-amps, transfer function, TRIAC
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Cite this Reference:
Beza Negash Getu and Hussain A. Attia, . Remote Controlling of Light Intensity Using Phone Devices. Research Journal of Applied Sciences, Engineering and Technology, (10): 1206-1215.
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ISSN (Online): 2040-7467
ISSN (Print): 2040-7459 |
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