Remote access and control of instruments using cellphones and SMS technology

Date

3-2004

Degree

Bachelor of Science in Applied Physics

College

College of Arts and Sciences (CAS)

Adviser/Committee Chair

Nelio C. Altoveros

Abstract

A GSM-based cellphone and SMS messaging technology was used to remotely access and control instruments. A Nokia 3310 model cellphone was used as transceiver and an LM35 temperature sensor was used as the instrument to be accessed and controlled. Wireless data gathering and instrument control was demonstrated by sending a command by way of SMS message to the cellphone. An Atmel AT90S8515 microcontroller was used to acquire the SMS message from the cellphone and to execute the command. An ADC0804 A/D converter was used to convert the analog data from the temperature sensor to its digital equivalent. It was used to write the digital data to one of the microcontroller's I/0 ports. The microcontroller was utilized to process the data and to send the data by way of SMS messaging to a cellphone, to a computer, or to any device capable of sending and receiving SMS messages. The study showed that remote and wireless data gathering and instrument control could be implemented using cellphones and SMS messaging.

Language

English

Location

UPLB Main Library Special Collections Section (USCS)

Call Number

Thesis

Document Type

Thesis

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