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Research Journal of Information Technology

Year: 2013 | Volume: 5 | Issue: 3 | Page No.: 411-418
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Authors

A. Ranjit

Amit Raj

J.B.B. Rayappan

Keywords

Research Article

Humanoid as a Sensor Node

A. Ranjit, Amit Raj and J.B.B. Rayappan
This study proposes the usage of humanoid as a sensor node, which uses its inherent locomotion abilities that turns the sensor node dynamics simultaneously on with an installation of a transceiver. The humanoid is capable of wireless transmission of sensor data to a place of desired location and accordingly correction measures can be taken. The system requires the development of three independent modules namely the humanoid, a transmitter/receiver and a sensor node. The humanoid is manually operated through an on-board Atmega kit and an interface (computer) at operator’s side. It is developed to move forward, turn right and left and sitting still when power to its servos is turned off. The transmitter/receiver module operating at 433 MHZ is capable of sending 4 bit parallel data. Transceiver is fed data through an encoder with 4 data lines, likewise at receiver end a decoder with 4 output data lines is used. Sensor module consists of Volatile Organic Compound (VOC) sensor, studied with ethanol in the present paper. Its output is fed to 4 comparators whose outputs in turn are fed to data lines of an encoder which is provided with 4 variable range concentration windows. Finally sensor and transmitter/receiver module is integrated and installed on the humanoid. Hence humanoid can be sent to a remote location and ethanol concentration can be detected.
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