• Arduino
  • Guide for using RFID Module with Arduino

    Radio Frequency Identification or RFID is a wireless system that uses electromagnetic fields to transmit data from one object to another, without the two objects touching. You might have used RFID cards before or seen its implementation ( Ex- Metro Stations ). There are various kinds of RFID tags available like the one shown below. […]

  • Computer Networking
  • Nmap Tutorial

    What is Nmap ? Nmap is a tool that can be used to scan networks, servers, routers. It is a security scanner used to discover hosts and services on a computer network, thus creating a “map” of the network. To accomplish its goal, Nmap sends specially crafted packets to the target host and then analyzes […]

  • Arduino
  • Memories of an Arduino

    “Computers are incredibly fast, accurate and stupid; humans are incredibly slow, inaccurate and brilliant; together they are powerful beyond imagination” There are 3 types of memories in an Arduino : Flash SRAM EEPROM Flash Memory It is where the Arduino sketch image is stored. Non-Volatile , i.e. , information persists after the power is turned […]