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

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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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  • Google Colaboratory

    For most of the Machine Learning enthusiast one of the common road block is hardware capacity. Our daily use Laptop and Desktop are suitable for trivial example, but when trying real example they don't have enough horse power to run the code.Read more.

  • 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.

  • 8 Queen Puzzle Solution in Python

    8 chess Queens pieces should be placed in an 8 x 8 chess board such that none of the queen is able to attack any of the other queen. Step by step solution approach and python code..Read more.

  • Logistic Regression

    Classification techniques predict smaller set of discrete values as apposed to regression which predicts continuous values. One special case named Binary classification which involves just two classes. To understand internal workings of Logistic Regression algorithm lets use binary classification problem, which can be extended to multi-class easily.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.