PowerPoint Presentation on Light Emitting Diode(LED) Display Propeller

1. PRESENTED BY
UMANG DHURI
AMAR GORAD
RAJ GUPTA
LED DISPLAY
PROPELLER
DEPARTMENT OF INFORMATION TECHNOLOGY
SHAH AND ANCHOR KUTCHHI ENGINEERING COLLEGE
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2. TABLE OF CONTENTS
1. INTRODUCTION
2. FEATURES
3. ADVANTAGE
4. HOW IT WORKS ?
5. BLOCK DIAGRAM
6. CIRCUIT DIAGRAM
7. APPLICATION
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3. INTRODUCTION
What is Propeller LED Display ?
Propeller is a term generally associated with
rotating fan, revolving at high RPM. Just like
a propeller, this is a special kind of rotating
display.
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4. FEATURES
 Displaying messages in a typical manner
 Displaying numbers in analog and digital
clocks
 Self cooling systems
 Propeller runs on a single battery with wall
adapter facility.
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5. ADVANTAGE
Power Consumption Is Minimum
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6. HOW IT WORKS ?
Persistence of vision
This is a phenomenon of the eye by which an
afterimage is thought to persist for
approximately 1/25th of a second. So if
someone is observing images at rate of 25
images/second, they appear to be continuous.
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7. HOW IT WORKS ?
A picture is worth a thousand words…
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8. BLOCK DIAGRAM
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9. BLOCK DIAGRAM
 Microcontroller (at89S51)
 LED Module
 DC Motor
 Interrupter Module
 DC Power Supply
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10. APPLICATION
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11. Propeller Display of Message by Virtual LEDs
APPLICATION
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12. Umang Dhuri