AT89SXX ISP Flash Programmer v1.4

Figure 1: Block Diagram of the ISP Programmer Sunday, September 30th, 2012  »  Posted By  »  Total 8 Comments

Introduction: Welcome to the world of Microcontrollers, and the first thing you need is a Device Programmer. This In System Programmer is RS232 (serial port) based but can indirectly be used with USB using USB to RS232 converter. If you need something like this you need to assemble a very simple circuit (Programmer Unit). Hardware: […]

Handheld Vehicle Lock Control System Using Wireless Communication (IR / RF)

Handheld Vehicle Lock Control System Using Wireless Communication (IR / RF) Monday, February 20th, 2012  »  Posted By  »  Total 25 Comments

ABSTRACT: In this project we are using IR communication to implement the handheld vehicle lock control system. Infrared (IR) radiation is electromagnetic radiation whose wavelength is longer than that of visible light (400-700 nm), but shorter than that of terahertz radiation (1 µm – 1mm) and microwaves (~30,000 µm). Infrared radiation spans roughly three orders […]

Line Following Robot

Line Following Robot Friday, July 1st, 2011  »  Posted By  »  Total 48 Comments

Project By: HBeonLabs, Greater Noida, India Project cost: Rs. 4000/- How to buy: Just send a mail to info@electrofriends.com This Project Line Following Autonomous Robot is based on 8 bit Microcontroller. This Robot follows the black line which is drawn over the white surface or it follows the white line which is drawn over the […]

Electronic Identification and Personal Information card using 8951 Microcontroller

Block diagram of card unit Wednesday, March 17th, 2010  »  Posted By  »  Total 133 Comments

Preface: – Presently there are many types of cards available such as punch cards, magnetic cards, optical cards but all are having the disadvantage of performance degradation as we use them. Other disadvantages are: – They can not store much information. They can not be read from a distance. They lose their data if placed […]

AT89Sxx Cheap and Simple Learning Board

AT89Sxx Cheap and Simple Learning Board Tuesday, August 18th, 2009  »  Posted By  »  Total 39 Comments

Build your own a cheap simple Microcontroller learning board S-52. The board is based on ATMEL’s new ISP chip AT89S51, AT89S52, or AT89S53. This board can be used by beginners for learning Assembly and C language programming. Single sided PCB file included. Introduction I have designed this leaning board to be used as a tool […]

Vehicle Monitoring and Security System

Vehicle Monitoring and Security System Sunday, June 7th, 2009  »  Posted By  »  Total 146 Comments

ABSTRACT: In this modern, fast moving and insecure world, it is become a basic necessity to be aware of one’s safety. Maximum risks occur in situations wherein an employee travels for money transactions. Also the Company to which he belongs should be aware if there is some problem. What if the person traveling can be […]

Digital IC Tester

Digital IC Tester Thursday, November 20th, 2008  »  Posted By  »  Total 267 Comments

Unlike the IC testers available in the market today which are usually expensive, this IC tester is affordable and user-friendly. This IC tester is constructed using 8951 microcontroller along with a keyboard and a display unit. It can test digital ICs having a maximum of 24 pins.

Intelligent Train Engines

Intelligent Train Engines Thursday, November 20th, 2008  »  Posted By  »  Total 312 Comments

The idea is whenever any engine observes a red signal on its track it will start decreasing its speed gradually and stops automatically at some distance from the signal pole. After then when it gets green signal the driver can manually start the train and go on.

Robotic car using 8951 Microcontroller

Robotic car using 8951 Microcontroller Wednesday, November 19th, 2008  »  Posted By  »  Total 489 Comments

Robotic Car is a miniature prototype car powered by batteries whose various movements can be control either manually or automatically, or the combination of both.

Water level indicator cum controller

Water level indicator cum controller Wednesday, November 19th, 2008  »  Posted By  »  Total 223 Comments

The present concept implements controlling of pump which pumps water from the sump (underground tank) to the overhead tank, using 8951 microcontroller. The control panel, i.e. the main control unit of the system which consists of the primary control switches, pump indicator, siren and level indicators. The visual example of how switches And the indicators […]

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