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8051 Projects [ projects based on 8051 ]

Propeller Display using AT89C2051 (with Project report and Presentation)

Author

Chincholkar Apoorv Ravindra, Joshi Sanket Satish and Gore Rigved Bhalchandra

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Description

Propeller Display using AT89C2051

This project is a special kind of circular LED display. With the help some mechanical assembly, LED count, hardware requirement, and hence overall cost is cut to very affordable price. Also, maintenance and repairing of the display is so easy, that anyone having a little electronics knowledge, can take care of this. All the synchronizing can be implemented through software.

First of its kind, made using the 20-pin 8051 series microcontroller, this project use the principle of Space Multiplexing. This propeller display is mechanically scanned and displays the characters in digital format. Made from scrap it can be used anywhere and everywhere and the most amazing fact about this display is it’s crystal clear display. This display consists of just 8 bright LEDs which are rotated to show the display.

For building this project, requirement is just a small 20 pin microcontroller, a position encoder, and LEDs. This display can show the messages, which will require a whopping 525 LEDs. So hardware and cost minimization is achieved.

-From Abstract

This project has submitted by Chincholkar Apoorv Ravindra, Joshi Sanket Satish and Gore Rigved Bhalchandra, students of Vidyaprathishthan’s College of Engineering, Baramati. I thank them for contributing to community and sharing knowledge though this wonderful project.

The download file consist of:

Code bundle: Assembly code written for RIDE, with complete project and hex file.
Images: Working images of project.
Project Report: Project description and report in docx format (MS Word 2007 or more needed).
Project Presentation: Power point presentation in pptx format (MS PowerPint 2007 or more needed).

If you have any questions or need details please make use of forum (Rickey's World Forum).

Tags: propeller display using at89c2051, persistent of vision, 8051 propeller display, space multiplexing

Image

Filesize

4.2 MB

Date

Monday 21 June 2010 - 15:08:04

Downloads

39933

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Rating

7.4 - 7 votes

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Comments

Anonymous | 26 Jun : 12:49

A fantastic Idea...congratulations to all the members of this project for such a wonderful project...!!!
Reply to this

faiz_ahmed321 | 01 Jul : 00:14

cool.. you rock.. try sending the documentation to my mail (faiz_ahmed321@yahoo.com) ..
Reply to this

sajaskk43 | 10 Jul : 07:28

Great work guys.Thanks for sharing

Reply to this

Sutar Mayur | 13 Jul : 00:54

nice

try sending the documentation to my mail (mayur.sutar0223@gmail.com) ..
Reply to this

李 | 27 Jul : 02:18

我们也玩过这玩意哈哈
Reply to this

zamroy | 27 Jul : 11:46

very good idea.......try sending the documentation to my mail(rhyno_zam90@yahoo.com)
Reply to this

ashwin.space2000 | 30 Jul : 11:48

awesome project guys

Reply to this

BABY BRUCELEE | 08 Aug : 06:03

very good idea.......try sending the documentation to my mail(duong.dt7@gmail.com)
thanks
Reply to this

intronix | 18 Aug : 05:00

What About Source Code?

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Ajay Bhargav | 18 Aug : 12:17

Code is inside zip file. download it.
Reply to this

laichee | 23 Aug : 04:21

is it possible to add a switch for changing the display message? like for goodmorning, good afternoon and good evening?
Reply to this

Ajay Bhargav | 23 Aug : 07:00

yes its possible. add it.. and send us updates.
Reply to this

annapoorni | 23 Aug : 07:06

what ismeant by 1A bridge, where did u use that in your circuit
Reply to this

hema | 24 Aug : 04:09

what is meant by 1A bridge ??? pls send me ur ans soon...
Reply to this

Ajay Bhargav | 24 Aug : 14:02

1A bridge = 1Ampere bridge rectifier.
Reply to this

hemalatha | 26 Aug : 03:46

thanks for ur reply..... in which environment can we simulate the sourcecode ?? pls reply soon....
Reply to this

Ajay Bhargav | 26 Aug : 14:42

you cannot simulate this code. coz POV can occur in real scenario not in software.
Reply to this

annapoorni | 29 Aug : 04:05

how did u give 5v supply to spinning circuit, will the 12v dc motor provide required rpm
Reply to this

Ajay Bhargav | 30 Aug : 17:14

take a look at the assembly design of this project. there is a metal disc used to provide supply to circuit. yes motor can provide good RPM if given good stable supply.
Reply to this

BlaZe TK | 30 Aug : 10:25

i guys i need the .asm file for this project and how to change the program so as to display our own customized text???
Reply to this

Ajay Bhargav | 30 Aug : 17:12

use forum..
Reply to this

kenreiki | 02 Sep : 04:22

hey guys, may i know where can i get the tools to open the project files?
i hope you guys can realy2 help me on this one.
Reply to this

Ajay Bhargav | 02 Sep : 15:38

use RIDE compiler
Reply to this

Anonymous | 02 Sep : 11:38

thnx yar i'm just in need of something like it.
its enchanting..............
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