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PWM Strategies in 32-Bit Microcontroller for Interior White LED Down Panel

by Ramandeep Singh, Ankur Bhardwaj, Yogesh Chauhan, Rachit Jain
journal cover thumbnail

International Journal of Computer Applications
Foundation of Computer Science (FCS), NY, USA
Volume 58 - Number 22
Year of Publication: 2012
Authors: Ramandeep Singh, Ankur Bhardwaj, Yogesh Chauhan, Rachit Jain
10.5120/9431-3827

Ramandeep Singh, Ankur Bhardwaj, Yogesh Chauhan, Rachit Jain . PWM Strategies in 32-Bit Microcontroller for Interior White LED Down Panel. International Journal of Computer Applications. 58, 22 ( November 2012), 25-32. DOI=10.5120/9431-3827

@article{ 10.5120/9431-3827,
author = { Ramandeep Singh, Ankur Bhardwaj, Yogesh Chauhan, Rachit Jain },
title = { PWM Strategies in 32-Bit Microcontroller for Interior White LED Down Panel },
journal = { International Journal of Computer Applications },
issue_date = { November 2012 },
volume = { 58 },
number = { 22 },
month = { November },
year = { 2012 },
issn = { 0975-8887 },
pages = { 25-32 },
numpages = {9},
url = { https://ijcaonline.org/archives/volume58/number22/9431-3827/ },
doi = { 10.5120/9431-3827 },
publisher = {Foundation of Computer Science (FCS), NY, USA},
address = {New York, USA}
}
%0 Journal Article
%1 2024-02-06T21:03:12.877342+05:30
%A Ramandeep Singh
%A Ankur Bhardwaj
%A Yogesh Chauhan
%A Rachit Jain
%T PWM Strategies in 32-Bit Microcontroller for Interior White LED Down Panel
%J International Journal of Computer Applications
%@ 0975-8887
%V 58
%N 22
%P 25-32
%D 2012
%I Foundation of Computer Science (FCS), NY, USA
Abstract

This paper considers the Pulse Width Modulation (PWM), the internal module of ARM7 based microcontroller i. e. LPC2148 designed by NXP (founded by Philips), to study the illumination of a White LED down panel. This paper also shows the effect of PWM implementation on the White LED down panel using the internal module and the general purpose input output (GPIO) pins of LPC2148 microcontroller and compares both PWM implementations on the White LED down panel. They have discussed the effects of PWM waveform controlling the White LED down panel using different intermediate modules like without any LED driver, BJT transistors, relays and current driver IC (ULN2003) connected between the LPC2148 microcontroller and the White LED down panel. The comparison between the different intermediate modules that considered, are analyzed their influences on the White LED down panel.

References
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  2. Chapter 8: GPIO, user manual by NXP (founded by Philips).
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  11. Youjin Kim, Insu Kim, Tae-gyu Kang, Seong-hee Park" Analysis of IP-based Control Networks for LED Lighting Fixture Communication"
  12. Li,Minglei Chen, Guiying Shang, xiaodong Mao, huabin "Design of LCD Display System for Handheld Devices Based on Linux"
  13. Jie Zhang, Hwa Jong Kim " Design of smart LED lighting switch with learning user's light controlling pattern"
  14. Dingyuan Wang, Haifeng Jiang "Dynamic Dimming Control Method Research on Tunnel LED Lighting based on LED Controllability"
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Index Terms

Computer Science
Information Sciences

Keywords

ARM7 LPC2148 White LED down panel Pulse Width Modulation LED down panel drivers

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