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Author Topic: direct usb-computer controlled robot help  (Read 2588 times)

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Offline fire_birdTopic starter

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direct usb-computer controlled robot help
« on: May 27, 2009, 05:27:33 PM »
i have the exact idea of what i want but i dont know what type of usb servo controller board to use.  i want to hook it up to my laptop that has a camera and use roborealm.  i just dont know what board would be best to use for this.  plz give me suggestions of what you think i could use.  thank you in advance.
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Offline airman00

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Re: direct usb-computer controlled robot help
« Reply #1 on: May 27, 2009, 05:54:48 PM »
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Offline fire_birdTopic starter

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Re: direct usb-computer controlled robot help
« Reply #2 on: May 27, 2009, 06:14:00 PM »
do they have one but for usb or not? or is this the better way to go?
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Offline SmAsH

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Re: direct usb-computer controlled robot help
« Reply #3 on: May 28, 2009, 12:37:15 AM »
most laptops do have serial ports so why not?
look up on some usb servo controller boards...
most will do fine, how many servos did you want to control?
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Offline jakx12

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Re: direct usb-computer controlled robot help
« Reply #4 on: May 28, 2009, 03:24:58 AM »
as i use a mac it doesnt have a serial port so get a serial to usb wire converter thinggy if you really want :P
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Offline SmAsH

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Re: direct usb-computer controlled robot help
« Reply #5 on: May 28, 2009, 05:45:23 AM »
if you are using a mac make sure you check that the usb board has compatible software for macs.
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Offline jakx12

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Re: direct usb-computer controlled robot help
« Reply #6 on: May 28, 2009, 04:09:46 PM »
oh sorry i use a mac, but iv portioned my hardrive so i have windows on it and the serial to usb comes with software. I suggest this : http://www.basicx.com/Products/usb1/usb1.htm
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Offline fire_birdTopic starter

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Re: direct usb-computer controlled robot help
« Reply #7 on: May 28, 2009, 06:29:45 PM »
i just need to control 2 servos for my prototype, later the paintball gun that its going to move is going to be heavy so i'm going to need stepper motors. will the circut board work for those too? and i'm going to need a usb converter b/c for some reason my laptop doesnt have a serial port =(..  THANKS EVERY1 FOR YOUR HELP SO FAR!
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Offline SmAsH

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Re: direct usb-computer controlled robot help
« Reply #8 on: May 29, 2009, 02:22:03 AM »
servos and stepper motors are two completely different things,
servos have 3 wires...
steppers have 4-6 wires...
a servo is a basically just a dc motor with a gearbox, feedback and controller circuit built in.
a stepper is a motor with 2/4 electromagnets built in and it turns them on one after the other spinning the magnet in the middle.
steppers are much more accurate than servos but are much more expensive,
look up info for both and decide which you want.
if you need speed i would say go for dc motors with controllers...
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Offline fire_birdTopic starter

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Re: direct usb-computer controlled robot help
« Reply #9 on: May 29, 2009, 09:45:27 PM »
ok thanks, i'll just probly get bigger servos for the actual project after its prototype tenks for your help
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