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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
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4.2 MB

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200644

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Conversation

ajay_bhargav
Mon Oct 20 2014, 11:22 AM
@skrishna, please post in forum so we can help you better.
Tue Oct 14 2014, 01:45 PM
skrishna
how do i write an ALP equivalent 7segment display interfacing embedded c program (both 8051 microcontroller)
Sat Oct 11 2014, 06:41 PM
vaidehi
want details of seven segment LED display common cathode ( IC CD 4026)
Fri Oct 03 2014, 12:52 PM
Narsim
Rickey you inspired me a lot ... I am also planing like you ...
ExperimenterUK
Wed Oct 01 2014, 09:33 PM
We're back.. we had a bug, but posting is back to normal
ExperimenterUK
Sat Sep 13 2014, 04:34 PM
jaimin1212,Pimpalkhare Create a thread for your question
jaimin1212
Sat Sep 13 2014, 06:35 AM
i want to make self balancing robot using MPU6050 using atmega8.. please help to get data of gyro and accelerometer from this sensor through atmega8.
Thu Sep 11 2014, 01:00 PM
Sunil Pimpalkhare
Hello sir, I am trying to make Wearfin project https://www.youtube.com/watch?v=iZ6PVBvQf-g so can u help me in teaching how to built the program???
Thu Sep 11 2014, 06:21 AM
hariom panday
plz hlp me in my project
iec.naga
Tue Sep 09 2014, 05:19 AM
spi

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Comments

pddung93
Sun Oct 19 2014, 01:56 PM
msideal
Thu Oct 16 2014, 08:48 AM
robotgirl
Tue Oct 14 2014, 06:23 PM
BRV64
Mon Oct 13 2014, 05:48 AM
menadjelia
Mon Oct 13 2014, 02:47 AM
kulbhushan
Sun Oct 12 2014, 12:20 PM
HarrySid
Fri Oct 10 2014, 05:15 AM
pphamtuan
Thu Oct 09 2014, 03:58 AM

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Forum Activity
jona Avatar
Posted By jona
Tue Oct 21 2014, 08:44 AM
This is the part I boughthttp://www.ebay.com/itm/3...
ajay_bhargav Avatar
Posted By ajay_bhargav
Mon Oct 20 2014, 11:19 AM
Use a 8bit shift register with latch control (e.g....
ajay_bhargav Avatar
Posted By ajay_bhargav
Mon Oct 20 2014, 11:17 AM
You can use the attach file button to attach the i...
ajay_bhargav Avatar
Posted By ajay_bhargav
Mon Oct 20 2014, 11:12 AM
I think you need to first check your code what exa...
ajay_bhargav Avatar
Posted By ajay_bhargav
Mon Oct 20 2014, 09:11 AM
I don't have resources to show this but if I get t...
ajay_bhargav Avatar
Posted By ajay_bhargav
Mon Oct 20 2014, 09:09 AM
Initialise _data in the header file to some value ...
ajay_bhargav Avatar
Posted By ajay_bhargav
Mon Oct 20 2014, 09:07 AM
8051 is slow in doing what? Well I don't think 805...
ajay_bhargav Avatar
Posted By ajay_bhargav
Mon Oct 20 2014, 09:00 AM
I also checked in Intel manual however I could not...
msideal Avatar
Posted By msideal
Sun Oct 19 2014, 07:25 PM
Is there anyone who could help me in solving this ...
jona Avatar
Posted By jona
Sun Oct 19 2014, 02:03 AM
Has anyone used this device? I was able to get the...