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Description

Project tested and working perfectly

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:

  1. Code bundle: Assembly code written for RIDE, with complete project and hex file.
  2. Images: Working images of project.
  3. Project Report: Project description and report in docx format (MS Word 2007 or more needed).
  4. 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 at89c2051persistent of vision8051 propeller displayspace multiplexing
  Filesize

4.2 MB

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208260

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Comments

prakad
16 Jan 2015: 16:18 PM
I need code for changing this msg for 89c2051......plz can any one mail me that..........on [email protected]
  
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Conversation

Sat Apr 25 2015, 06:16 AM
rohan_verma
sir this circuit is tested?can i use it directly on developing PCB
Sat Apr 25 2015, 06:13 AM
rohan_verma
MSCOMM32.ocx cannot be copied in the systems folder even with administration rights.
Fri Apr 24 2015, 01:58 AM
mostfa
please fix the LCD Interfacing Tutorial as all pictures is gone
Fri Apr 24 2015, 01:57 AM
mostfa
LCD Interfacing Tutorial
Qasim359
Tue Apr 21 2015, 07:31 AM
hello every one i have made pic industrial and domestic timer and i can,t understand c code written in Hi-Tech please send me Mikroc code for this project anyone...................
ExperimenterUK
Wed Apr 15 2015, 05:07 PM
@Bibek.. and everyone. Create threads if you need help. The chat box is just for chat
ExperimenterUK
Wed Apr 15 2015, 05:06 PM
@mohd atif ..login..create a post/thread,then I can post a copy of the missing file
Mon Apr 13 2015, 07:03 PM
mohd atif
@experimenteruk I didn't get you
Sun Apr 12 2015, 04:18 AM
Bibek
hello, i have made a digital clock using rtc DS12887 and AT89S52 with date n callender. Now i want to add alarm features to it.....can any body help me with the code in assembly language
Sun Apr 12 2015, 03:22 AM
SANJU123
Hello, I am planning to do simulaton of the ' 4-way traffic controller'. As a first stage of the project, I tried to compile the code given in this website in keil microvision which controls 4-way traffic . I am using AT89C51. But when I am trying to compile the code it shows an error " Device is not supported by Toolchain". Can u please help me...

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Comments

Seven
Thu Apr 23 2015, 12:02 AM
killbillpandey
Wed Apr 22 2015, 09:07 PM
Qasim359
Tue Apr 21 2015, 07:06 AM
lumines
Sat Apr 18 2015, 11:30 PM
[email protected]
Sat Apr 18 2015, 05:02 PM
arvindarunoday
Sat Apr 18 2015, 04:26 PM
samarhbk
Sat Apr 18 2015, 12:57 PM
chitty789
Tue Apr 14 2015, 06:14 PM

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Forum Activity
ExperimenterUK Avatar
Posted By ExperimenterUK
Sat Apr 25 2015, 06:03 PM
plz tell me how i edit this code file in MPLAB if ...
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Posted By ExperimenterUK
Thu Apr 23 2015, 08:00 PM
gsdvprasad Avatar
Posted By gsdvprasad
Thu Apr 23 2015, 12:49 PM
ExperimenterUK Avatar
Posted By ExperimenterUK
Tue Apr 21 2015, 04:37 PM
I doubt anyone has Mikroc code.It is probably more...
ExperimenterUK Avatar
Posted By ExperimenterUK
Tue Apr 21 2015, 04:24 PM
A multimeter won't help :(The most practical way i...
ankitbajaj01 Avatar
Posted By ankitbajaj01
Tue Apr 21 2015, 03:21 PM
As I don't have CRO, Can we test the crystal with ...
Qasim359 Avatar
Posted By Qasim359
Tue Apr 21 2015, 07:26 AM
i can,t understand C Code written in Hi-Tech pleas...
gaurav7577 Avatar
Posted By gaurav7577
Mon Apr 20 2015, 07:04 AM
k..let me make all this simple for u so u can add...
ajay_bhargav Avatar
Posted By ajay_bhargav
Sun Apr 19 2015, 06:50 PM
Please zip and attach the code in future. You forg...
ajay_bhargav Avatar
Posted By ajay_bhargav
Sun Apr 19 2015, 06:48 PM
It is really hard to say which course and/or insti...