robotics

Posted by RoB on July 23, 2006, 12:29 pm

Hi i am a instrumentation engineering student.i am interested in doing
progect related to robotics so i want to know how should i begin..

Posted by Wayne Lundberg on July 23, 2006, 1:05 pm

> Hi i am a instrumentation engineering student.i am interested in doing
> progect related to robotics so i want to know how should i begin..

You should look up your local robotics club and join. Then add value to the
team by putting your knowledge to work.

Wayne

Posted by leeps on July 23, 2006, 3:31 pm

If your on your own the easiest way is too first pick out a family of
microcontrollers and learn them the most popular are pic's and avr's.
Im sorry to disagree but stay away from basic stamps, theyre wonderful
for your first project but you WILL move up to a real microcontroller
and then youll wonder why you wasted money on a stamp. then you should
learn the ins and outs of the microcontroller once you can program it
your own imagination will come dream up your bot.
and READ go through newsgroups learn basic circuits, these are the
building blocks, me im biased toward discretes instead of ic's
learn the op amp the op amp is your best friend
I know this sounds overwhelming but it will come all by itself
seemingly with no effort from yourself
First get your controller, programmer, compiler and learn it
mikroelektronika.com is where i got my compiler and programming board
best bang for the buck in my opinion
if you have questions fire away im here to help

Posted by Wayne Lundberg on July 23, 2006, 6:30 pm

> If your on your own the easiest way is too first pick out a family of
> microcontrollers and learn them the most popular are pic's and avr's.
> Im sorry to disagree but stay away from basic stamps, theyre

----snip-----

Revealing my ignorance here, so take pity on an old gray hair trying to stay
in today's technology sandbox.

If I hear you correctly, you are suggesting that a novice focus on learning
how to control power switching before getting too involved with programming
I/Os through devices such as the BASIC stamp, because at some time in the
future a Centronics cable from a standard computer with something like Bill
Gates' new Robotic Suite will do it better?

I've been looking for this kind of setup since Lotus discontinued the
'Factory' function in their software!

Or have I missed your point completely?

Wayne
Ever ready to learn even with dunce cap if required.

Posted by leeps on July 23, 2006, 8:37 pm

Yeah you got the right idea. What i meant was the pic microcontrollers
and the and the avrs are so much more powerful with a unit price so
much cheaper than the stamps that the only reason i believe a person
buys a stamp is that they didnt realize what could be done with a real
microcontroller. Take a look at the stamp 30 odd bytes of ram dont
really go that far. For about 7 bucks you can have a pic 16 f877a
clocked at 20 mhz it gives you 5 million instructions per second on
board pwm a/d converters uart spi i2c, more than you can use in
peripheral features, 8k of program space and 368 bytes of ram plus 30
i/0 lines. They are more expensive to get into but if electronics is
going to be a real hobby for you youll love em. The little pics the 12f
family i use them everywher 2k of program space 128 bytes of ram and 6
i/0 lines. For me they take the place of complicated logic, with an on
board comparator with programable voltage reference and a 10 bit a/d
you would be surprised how useful the thing is, get this the price 2
dollars, you can afford to accidentally stick it in the socket
backwards.
the avrs are supposed to be a different flavor i havent played with
them much because i invested in a programmer and compiler for the pic
family, but i get the impression that they dont have as many special
features but they run one instruction per clock cycle so if you clock
it at 10mhz you get 10 million instructions per second, thats power.
the nice thing too is if you invest in a real basic compiler or a c
compiler you get interrupts, procedure based programming arrays,
structure based programming, and other handy things that make it easier
to have your project do what you want it too
see what i mean why stamp it to death when you can pic it apart (sry i
had to)

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