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Electronics / Re: VIBRATION SENSOR?
« Last post by strat321 on Today at 06:57:13 AM »
I appreciate these responses and will investigate. However with the I2C, I believe this would not work because i will use it to detect and analyze low level surface vibrations
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Software / Re: Help me with my robot project so I maybe can get access to study Mechatronic
« Last post by Dynamitetalks on Today at 02:33:40 AM »
Case closed, somehow or another i'll figure this out on my own, I may make a thread with question about the programmin
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Electronics / Re: Robotic Arm using stepper motor via matlab
« Last post by husssam on Today at 12:59:20 AM »

now my problem is to use a simple driver.
open "matlab>help>demos then search for "stepper motor drive" you will find a model that contain: signal builder, Driver, stepper motor, and scope.
right click on the driver then press "look under mask" you will find the circuit of driver, there are many components that I don't know what it's used, so try to help to understand it.
I hope also that you can gave me another three simple drivers
also, can you explain "Linear speed control of stepper motor"
thanq for replying...  :)
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Software / Re: Arduino UNO
« Last post by calinezul on Today at 12:32:11 AM »
You can find programming code and steps in these tutorials:
Programming code: [size=78%]http://git.hax0r.se/?p=Arduino/.git;a=blob;f=LineFollowingPID/LineFollowingPID.pde;h=06b1aae6398fab504a9cf1479ec654dce50041eb;hb=master[/size]
http://snipt.org/lRY/
https://code.google.com/p/robafis-2011-ensibs/source/browse/LineFollower.java




Tutorials:
http://arduinobasics.blogspot.de/2011/05/arduino-uno-flex-sensor-and-leds.html
http://www.intorobotics.com/line-following-robot-tutorials-how-to-build-programming-code-and-resources/
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Software / Re: Help me with my robot project so I maybe can get access to study Mechatronic
« Last post by Dynamitetalks on Yesterday at 05:53:45 PM »
Thanks for your reply Jwatte.

No I wasn't too lazy, I forgot to do it. I took a full education in single classes. when all these classes are combined I would get a full education but I forgot I had to make 2 reports and only did 1. I was told it 2 years ago so yes it was my fault.

I have spent hours in paint to make that circuit. and have read for 2 days, so no im not searching for an easy way im searching for the only way I see it. I dont really know how to approach this and would like to learn it

I can get in next year at the college without problems, but theres no reason to wait a year, it aint like there jobs hanging on the trees.

Another side is that I am lazy by nature but not in this case.

but you right, no meaning in it if I can't do it on my own. thanks for the advice.
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Software / Re: Help me with my robot project so I maybe can get access to study Mechatronic
« Last post by jwatte on Yesterday at 05:25:30 PM »
Am I correct in this interpretation of your request?
- You were too lazy to actually finish your high school assignment.
- You are given a second chance by the college.
- You are now too lazy to actually complete that second chance.

My analysis: You are attacking this the wrong way. There is nothing that says you have to do a robot to make a good motivation submission.
Real life requires that you do things that aren't exactly what you would wish to do. Get real, work up an actual submission, and complete something yourself. If you can't do that, then why should you have the second chance?
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Electronics / Re: Robotic Arm using stepper motor via matlab
« Last post by jwatte on Yesterday at 05:21:57 PM »
No, I can't help you, because I have no idea what your problem is.
What are you doing? What parts are you using?
What do you expect to happen?
What is actually happen?
What other things have you tried to do to debug this? What did that tell you?
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Electronics / Re: Runaway robot
« Last post by johnwarfin on Yesterday at 05:13:27 PM »
separate power is the best way to isolate noise. personally i dont like duplicate components and like to keep cost down so prefer the rc or lc filter method. but that would certainly be a good diagnostic step.
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Software / Re: Help me with my robot project so I maybe can get access to study Mechatronic
« Last post by Dynamitetalks on Yesterday at 04:40:29 PM »
Pololu Carrier with Sharp GP2Y0D810Z0F Digital Distance Sensor 10cm datasheet download:
http://www.pololu.com/catalog/product/1134/resources

Pic16f877 datasheet download:
http://www.alldatasheet.com/datasheet-pdf/pdf/75016/MICROCHIP/PIC16F877.html

SN754410 motor driver datasheet download:
http://www.datasheetcatalog.com/datasheets_pdf/S/N/7/5/SN754410.shtml

Timer 555 datasheet:
http://www.ti.com/lit/ds/symlink/lm555.pdf
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Software / Help me with my robot project so I maybe can get access to study Mechatronic
« Last post by Dynamitetalks on Yesterday at 04:36:50 PM »
Hi all.

Im in the situation that the college I have attented to can't let me just pass in because I forgot to make the final report at my school. but if I send a motivational speech for why I shall have access still they might let me in if there is a seat left. but I seriously want this so I want to build a robot that are going to show my motivation better than some speech even can.

but its been years since I have programmed a pic and at that time it was only blink a LED or some easy projects.

I have attached a document with the circuit schematic. I would like it programmed in C and an explanation on what is going on and how to learn it or some in that direction.

I had loved that when ever the pololu sharp sensor gets turned low the robot change direction. but honestly I have been reading about PWM, duty cycle the last 2 days and cant figure it out. I have nobody to help me so I was hoping someone could help me.

If you are really good at programming pic mcu's in C, it might be easy for you but for the time you'll have to put into it I will compensate it with offering you the credit for it, then I'll put the time into it and make a  tutorial on societyofrobots and credit you for it so everyone could learn from it. I dont need credit I just need help to get into mechanical Engineering college (: 

I know its alot to ask for but I hope someone would be willing, If I have been to easy with it let me know and I will work on improving it, best regards:

Dynamitetalks
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