The Circuit Make Me Crazy......

People Said that i can do a PHD about that circuit.That has only 4Capacitors,1 IC, 1 serial port

I maid it nearly 50 times.

That circuit is USART circuit with max 232.

If you guys want to do robotics with communication with PC that is the circuit.

But that makes all thing a mess.

If you guys want to do it follow these tips.

1. Do not use a PC which leaks AC currents to the body.
2. Use a proper communication cable.
3. Make this circuit in separate PCB.
4. If you guys have communication problem, please check the IC.

If you guys still have trouble contact me.

Avoiding Oscillation in Line Following Robots _ Algorithum

Every one who build a line following Robot know that when we build it it follow straight lines really well. But when it comes to curved lines it will follow the line, but it will oscillate. I found a algorithm for avoid that.

From This Video You Can See the problem.

http://www.youtube.com/watch?v=4Yy5wq8Ipuo&feature=related

Hear is the tutorial which i followed.

http://www.ikalogic.com/tut_line_sens_algo.php

Hear are some tips to follow

1. Make your line sensor small. The distance between photo transistors should be place close to each other.
2. Put your line sensor little far away from your motor axis. That will make sensitivity more. Hear is my robot.(But not suitable for micro applications.)
3. Also Follow Above Algorithms.

Hear is my Robot.

Robotics, Line Sensors

Hear is the line sensor produced by Mora VAPS team. It works fine with digital out puts.

If you guys want to create good line sensors hear are some useful tips.

Use IR led

Use photo transistor L14g2(http://www.elexp.com/a_data/08L14G1_08L14G2.pdf)

Use coverings to total Led set.

Also we found a really good line sensor with really good resolution.(http://www.pololu.com/catalog/product/961)

MYJE - Navigational System for Exmo 2010 and Innovation CSE 2010

This project is a navigational system for Sri Lanka, which provides you the paths to unknown destination and guide you through the path. Also it had a robot car demonstration, which shows the functionality of the project. This Project has won the second place at the Innovation CSE 2010 organized by CSE University Of Moratuwa. 

Read these articles which will explain you about it's implementation level details.

http://www.insightforfuture.blogspot.com/2010/10/robotics-line-sensors.html
http://www.insightforfuture.blogspot.com/2010/10/avoiding-oscillation-in-line-following.html
http://www.insightforfuture.blogspot.com/2010/10/circuit-make-me-crazy.html

Here are some pictures of my project....