Designing and constructing a microcontroller to control sunlightm intensity in a greenhouse

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Designing and constructing a microcontroller to control sunlightm intensity in a greenhouse

Chandra, Willy - Personal Name; Manurung, Edward Boris P. - Personal Name;

The problem to be examined involves in finding a new and effective way of making a greenhouse. A sunligHTM shield is going to be designed. The LDR, ligHTM sensor, will sense the sunligHTM intensity by changing the resistance value. Comparators (LM311) will compare the reference voltage with the output voltage from LDR and send the information to microcontroller (AT89S52). The data will be processed in the microcontroller and actions will be taken accordingly. A stepper motor will control the sunligHTM shield. A DC fan and a fluorescent ligHTMs will be used as representative of air circulation and artificial ligHTM. The PC will be used to monitor the condition outside the greenhouse. The system performs a better operation than conventional manual system that uses net.

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Series Title: -
Call Number: 98
Publisher: : Swiss German University., 2006
Collation: -
Language: English
ISBN/ISSN: -
Classification: NONE
Content Type: -
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Edition: -
Subject(s): MT
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