A Microcontroller based LED sunphotometer with RF data acquisition system

Date of Publication

2010

Document Type

Bachelor's Thesis

Degree Name

Bachelor of Science in Electronics and Communications Engineering

College

Gokongwei College of Engineering

Department/Unit

Electronics and Communications Engineering

Thesis Adviser

Cesar A. Llorente

Defense Panel Chair

Ann E. Dulay

Defense Panel Member

Enrique M. Manzano
Roderick S. Yap

Abstract/Summary

This study uses a microcontroller to control the movement of the altitude and azimuth motors that track the position of the sun with the LED based sunphotometer. There has not been a wireless sunphotometer in the Philippines and the novelty of thesis is that it solves the problem of wired data transmission by transmitting the data wirelessly from the microcontroller to a computer with Zigbee RF modules. In addition to this, it can be programmed to automatically track the sun anytime and anywhere. Also, it implements small motor step size for increased tracking accuracy. The prototype is a stand-alone device with the automation of the microcontroller and the usage of heavy-duty car batteries for powering up the system without the need for a wired power source.

Abstract Format

html

Language

English

Format

Print

Accession Number

TU15833

Shelf Location

Archives, The Learning Commons, 12F, Henry Sy Sr. Hall

Physical Description

viii, 98, [191] leaves : ill. (some col.) ; 28 cm.

Keywords

Light emitting diodes; Programmable controllers; Data transmission systems

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