Microcontroller is a fabulous piece of electronics which act according to our instructions.

Multilingual websites

In Computer's world everything is numbers, when human wanted to have text in computer, scientist came up with mapping between number and characters. Computer will read numbers where as human will see those numbers as characters.

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Online XES Creator

Online tool to create XES event logs form table based event data. It is simple, No download or complex configurations are required.

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  • J2EE - Dynamic Download Link App

    The Basic idea is to associate a key with the file, the key will be validated for the account and time of expiration. In this case to keep it simple only validation of expiration time is done, authentication is not implemented. Read more.

  • Directory listing Web Application

    Directory listing here means a website/web app shows the content of a directory so that user can browse through the content of folders and select the files they want to download. This feature will be handy when list of files for download is high and it gets updated frequently. One simple solution is to enable directory listing feature in web server Read more.

  • Chatting With 8051

    8051 have 4 General Purpose Input/Output ports namely Port 0, 1, 2 and 3. Except Port 0 other Ports 1, 2 & 3 have internal pull ups. Either internal or external pull up resistors keep the port to the defined logic level even if no external devices are connected. Read more.

  • Pseudo executable for R code

    Command prompt is nightmare for non-technical person or end users; they always expect double click execution applications.Read more.

  • Big Sort – Sorting files in TeraBytes

    The one of the major problem in sorting is holding the data in memory, so let’s read file serially i.e. read line by line, once considerable amount of lines are obtained sort them in-memory and write to separate file.Read more.

  • Interfacing 7 Segment Display

    Many times we may need to show numbers/alphabets as outputs, 7 Segment Display is a handy device for this purpose. They usually have 8 display elements, 7 for numerics and 1 for dot. 7 Seg Disp are available in Common Anode and Common Cathode Configuration. Read more.

  • R Workspace management guidelines

    R [R Project] is an open source scripting language used for statistical computing and data analysis. Availability of surplus graphics packages helps in visualizing big data graphically. Many vibrant online communities involved in development of packages. This increases the strength of R. Google's R Style Guide defined coding standards.Read more.

  • How to make an USB charger for old Nokia phones on your own

    Are you an old Nokia phone user? Ever envied of those smart phone users, who charge there device using USB? Technically it's possible for us to build USB charger for our mobile. Read more.

Data Science

Data Science and Machine Learning algorithms in easy to understandable way.


Efficient programming in R and Interesting applications in other language.


Troubleshooting of electronics gadgets and Do It Yourself projects.


Concepts and design of hardware interfacing of input & output components to microcontroller.