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Ajay
Sun May 11 2008, 05:31PM
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Chiru
Mon May 12 2008, 07:38PM
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Good job done, Amit, congrats to you and your classmates.
These hard work will payoff in your future. Good luck.
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Amit Radha
Tue May 13 2008, 03:40AM
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Hey thanks a lot
Had my 1st demo today. ppl liked the idea and we were able to answer al qestions thrown at us, but we were told our "product" is a failure and "ppl wont buy it" because we dont have a facility for the user to enter the threshold levels into the uC and they are pre-set. Thus it is not a flexible system.
It sounds absurd cos, firstly, we are not designing a "product", its just a prototype of a concept! Also, the Embedded system prof who asked this had this concept fixed in his mind that thresholds must be in registers only and not in code ROM.
I tried explaining that if we use the RAM the user wil have to enter the 10 - 12 threshold levels everytime the system is reset or turned off. to which he said, store it in the rom and then put it in registers!!!! how absurd can one get!!!

Tomoro i have my demo and presentation for 70marks. pls tel me if there is an answer to this question! i am perplexed...

Looking for some expert advice on handling this kinda wierd questions!
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Amit Radha
Tue May 13 2008, 03:41AM
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Also, we were told we have no fault detection system so if any of our sensors go bad the system should have a detection and intimation system in place! that is a valid point... dunno wat to do bout that
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pdi33
Tue May 13 2008, 04:52AM

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o.k. o.k.. well, the inpectors were right to some extent, but what do they expect from u? A full fledged marketable product?. well,they should know that there are some limitations as far as a student knowledge is concerned. So don't worry. The extent of work u have independently acheived is far from ordinary and definetely not substandard and i can assure u only a few students can even think of attempting such a project independently.

As for the threshold levels jus tell them that u can store it in the eeprom if it is connected externally via I2C interface (a 24c02 would be sufficient in ur case to store 10-12 parameters).as far as flexibility si concerned, u can just convince them that adding a few keys to the uC and addition of some code can make the user input the 10-12 parameters . The procedure to write code is lengthy ad may take a lot of time so better try it if u are interested after ur submission. As for the ROM is concerned it is easy to store and fetch data from the ROM (using the movc instruction). but it is very difficult to change that data from program memory( it is possible in a rare few derivatives of 8051 and is called in circuit programming ICP).i hope that is explanation enough for ur queries.

and yes, i forgot to comment that ur project (the image ) is praiseworthy and extremely neat (almost professional) ) I wouldn't be surprised if ur inspectors would give ur team some brownie points on that one . good luck.

[ Edited Tue May 13 2008, 04:55AM ]

inspired to develop,developing to inspire
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shyam
Tue May 13 2008, 05:03AM

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welll... u shud not be disheartened...

but what the inspector told u was an important aspect of your project..
projects in BE shud not only be prove of concept like...
u shud accept any suggestions offered with open heart..

but i do beleive he must have been impressed by ur work... though he didnt say it aloud!

lets shape the future
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8051 Microcontroller Projects 8051 AVR tutorials PIC microcontroller, 8051 assembly language programming electronics and communication ECE CSE pdf ebooks library BE final year project ideas Embedded systems