Wall Following Robot Map Generator FAST-NU, Lahore, Pakistan
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Uploaded by tahasamad28 on May 12, 2011
This was developed by us as our FYP. We are students of BS(TE) 2007 at FAST-NU,Lahore,Pakistan. The project is basically a left wall following robotic map(outline) generator. It uses BC4 Bluetooth module,two AT89C52(8052) microcontrollers. EE-SM3 opto-coupler for counting revolutions of the wheel and 2 Ping Parallax Ultrasonic distance sensors. The algorithm for wall following and outline generation is written in C++ and resides in a PC with built-in bluetooth or a USB bluetooth dongle attached to it. The car communicates over bluetooth to the computer,sending readings from all the sensors to the computer.The computer then decides what to do next and responds with appropriate instruction. Once the stop button is pressed the computer using properties of circle, to model car's motion and using the received data; plots an approximate outline. More accurate result can be achieved if a GPS device is used or another idea that our Advisor came up with but we could not incorporate due to lack of time,is putting a wireless optical mouse on the car and using some built in libraries to get data from com port.
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Nice project. Well put together.
Do we have a parallax distributer here in the subcontinent? The Kolkata one does not seem interested in conducting a sale.
Greetings from Mumbai,IN.
Shaunakde 9 months ago
@Shaunakde no we bought these from parallax site.it normally takes up to 2 weeks.
tahasamad28 9 months ago
@tahasamad28 What are the shipping costs like?
Shaunakde 9 months ago
@Shaunakde around 39$ plus any custom duty that is applicable in india.We had to to pay 2000PKR as custom duty. one of my friend told me about a pakistani site which sells ultrasonic distance sensors for about 1400 PKR i will try and post its address by tomorrow.
tahasamad28 9 months ago
@tahasamad28 Thanks for your reply. I am actually looking to buy Parallax's Propeller MCU. But I think I will bypass this idea. I really dont want to deal with custom officials here. (They are pathetic in India)
Anyway, congrats of a beautiful project. Its really well done. I will be going into my final year next year. I hope I will be able to build something even half as good.
PS: I absolutely hate this policy of imposing custom duty on small parts. Esp. for non commercial use.
Cheers.
Shaunakde 9 months ago
@Shaunakde thanks and best of luck :)
tahasamad28 9 months ago