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ISRO DRDO Question paper with solutions

on November 24, 2017

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Question paper ISRO-2006 Mechanical engineering.

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LINE FOLLOWER BOT USING ARDUINO.

Line follower Robot is a machine which follows a line, either a black line or white line. Basically there are two types of line follower robots: one is black line follower which follows black line and second is white line follower which follows white line. Line follower actually senses the line and run over it. Concepts of Line Follower Concept of working of line follower is related to light. We use here the behavior of light at black and white surface. When light fall on a white surface it is almost full reflected and in case of black surface light is completely absorbed. This behavior of light is used in building a line follower robot . In this arduino based line follower robot we have used IR Transmitters and IR receivers also called photo diodes. They are used for sending and receiving light. IR transmits infrared lights. When infrared rays falls on white surface, it’s reflected back and catched by photodiodes which generates some voltag

Build Your CNC machine or Laser Engraver at home Using Arduino

Now you can build your own 3D printer/Laser Engraver/CNC machine for home projects by using just a Arduino and pairs of stepper motors. I used the OLD CD/DVD drive for stepper motors and mini servo 9g to build this project. You can upgrade it using NEMA stepper motor and high torque servo motor. Read upto last after the program to understand the working also to download the programs. The software I used in this project work is Arduino to control the stepper motors for axial movement, Inkscape to generate the G-code for certain images/text etc. and also I used the Processing to execute the G-code and give commands to stepper motor through arduino interface which helps the machine to achieve directional as well as positional as per geometry defined in G-code. For those people who dont understand the term G-code and M-code , Basically the G-code is geometrical codes which helps the machine to understand the axial positional movement to reach certain point in space using steppe

Mechanical Engineering Society is in-collaboration with Livid Design Inc. and Robotree. We are back to restore the same revolution we started earlier and now we are in peak of our excellence. Together with the Society and Livid Design Inc. a design based firm, we are here to provide the Best design and Robotics experience in your hand, where mind will meet innovation and you will feel proud to represent yourself to the Technological world.

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ISRO DRDO Question paper with solutions

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