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There are important updates for an old and a new project.
I am talking about one of the most known project on this website and many other sites. "Digital Clock with Alarm" which was written in assembly in year 2006 when i was studying. Since then there has been lot of upgrades i have done to myself and website but the code was not revised since then.
In this new version of the project, I have updated I2C library to newest library which i have written for 8051 microcontrollers (can be downloaded from tutorial section). Updating library removed the most basic problem of corrupted display. I have also merged the orcad schematic file which was posted separately in download section to this project zip file. You can download this project from download section.
Now lets talk about the newest project, "Propeller Display using AT89C2051". I requested Apoorv (Author) to mail me few important things which were missing in the project earlier and are very important for anyone who is making this project. I Thank Apoorv for his support and wonderful job done on explaining the Rotor Assembly of Propeller display.
The figure explains the most tricky part of the project, which is supplying power to the rotating assembly. The updated zip file contains circuit diagrams and some improved images too. You can download this project from download section.
I already delayed a lot to upload this important update for Home automation project, well i am sure lot of people have been waiting for this. I really want to thank Mansoor Mirza for providing files, Videos and images that are provided here for demonstration.
You can now download project documentation for project "Home Automation Over Internet" as well as power point presnatation. I have also bundled the complete VB software code, C code for microcontroller, schematic diagram, sample images in a single zip file so you need not download multiple files.
Here are some demonstrative images for fully assembled Home auotmation project with real world appliances (Bulb, tube, fan and switches).
Also take a look at this informative video tutorial on how to use this project. Thank you Mansoor for making this video so well explained.
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).
A solar tracker is a device for orienting a daylighting reflector, solar photovoltaic panel or concentrating solar reflector or lens toward the sun. The sun's position in the sky varies both with the seasons and time of day as the sun moves across the sky. Solar powered equipment works best when pointed at or near the sun, so a solar tracker can increase the effectiveness of such equipment over any fixed position, at the cost of additional system complexity.
The hardware design is complete made from stuff that are available in any junkyard. Servo motor is taken from car door mirror system (also called Power windows system) and gear system is made from motorcycle chain small sprocket to rotate panel and a small camwood at servo side. You can see more images of gear system here. (Solar Tracker Gear System)
This solar trakcer is build on a simple logic ICs, servo controller, Pulse Width Modulator and LDRs. Circuit is powered from a 12V battery. The two solar panels 15VAH each is connected to power up three 3W LEDs (switch controlled) and also charge a 12v 7AH battery. L298 and SG3525 are used to control servo motors and LDRs are used to detect the position of light source (sun).
Here is a working demonstration of Solar Tracker.
All credit for this project goes to author Mansoor Mirza (coolmirza143). You can find all the discussion about this project in forum here. (Solar Seeker or Tracker).
I also announce a new catagory introduced to our download section, specifically for electronic projects that does not invovle any controllers. Hope you will all contribute to this catagory. If you have any electronic project you can share it with us.
8051 Microcontroller Projects 8051 AVR tutorials PIC microcontroller, 8051 assembly language programming electronics and communication ECE CSE pdf ebooks library BE final year project ideas Embedded systems
Thank you all for joining us. We hope to see you every coming day.
i have office tomorrow
