A microcontroller based LED sunphotometer with RF data acquisition
College
College of Science
Department/Unit
Physics
Document Type
Article
Source Title
ARPN Journal of Engineering and Applied Sciences
Volume
10
Issue
22
First Page
10591
Last Page
10596
Publication Date
12-2015
Abstract
A microcontroller based four-channel LED sunphotometer system with RF transceiver system was successfully developed in this study. The control and data acquisition was done wirelessly using a Zigbee RF Transceiver Module. The RF transceiver module was connected to the sun tracking mount and to a personal computer. Sun tracking was done using a quadrant photodiode for feedback control and a mathematical algorithm for tracking the sun for low-sunlight intensity situations. High correlation coefficients were obtained when the data obtained from the four LED channels of the system was compared with a commercial four channel SP02 sunphotometer. With this system, the sun tracking mount can be placed anywhere without the need for long wires as long as there exists a line of sight between the two RF transceiver modules.
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Recommended Citation
Llorente, C. A., Ongsyping, B. S., Casas, P. P., Chan, M. C., San Pedro, G., Vallar, E. A., & Galvez, M. D. (2015). A microcontroller based LED sunphotometer with RF data acquisition. ARPN Journal of Engineering and Applied Sciences, 10 (22), 10591-10596. Retrieved from https://animorepository.dlsu.edu.ph/faculty_research/1447
Disciplines
Physics
Keywords
Astronomical photometry; Atmospheric aerosols; Microcontrollers; Light emitting diodes
Shelf Location
Archives, 12F Henry Sy Sr. Hall.
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