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Wasd9595
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« on: March 03, 2012, 12:14:22 pm »
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Hi

I've been making different small beginner Arduino projects, and i think it is the time to move on. I want to try something with robotics, but i got some questions:

1) What is the difference between stepper, servo and DC motors??? Which is the best for robotics?

2) What is the easiest way to connect motors to the Arduino? A shield??

Thanks! smiley
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AWOL
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I don't think you connected the grounds, Dave.
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« Reply #1 on: March 03, 2012, 12:25:18 pm »
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Which is the best for robotics?
Define "robotics".
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Pete, it's a fool looks for logic in the chambers of the human heart.

Wasd9595
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« Reply #2 on: March 03, 2012, 01:17:40 pm »
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Quote from: AWOL on March 03, 2012, 12:25:18 pm
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Which is the best for robotics?
Define "robotics".

Small Vehicles with sensors and such smiley
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AWOL
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« Reply #3 on: March 03, 2012, 02:02:51 pm »
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Define "small" and "sensor"  (hopefully, you'll see where this is going)
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Pete, it's a fool looks for logic in the chambers of the human heart.

Wasd9595
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« Reply #4 on: March 03, 2012, 03:05:04 pm »
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It's robots like this one, i want to make. With ping sensors smiley
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AWOL
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« Reply #5 on: March 03, 2012, 03:39:16 pm »
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OK, servos are a bad choice for moving the robot, because they only move about 180 degrees or so.
But they may be a good choice for the Ping turret.

Steppers vs. DC motors depends a lot on how you want the robot to move, how much battery you want to carry, how many pins you want to dedicate to movement.
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Pete, it's a fool looks for logic in the chambers of the human heart.

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« Reply #6 on: March 03, 2012, 04:08:21 pm »
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Thanks!  smiley

I've been looking on these two motors, but i don't know what the difference is: DFRobot Motor and SolarBotics

Wouldn't it be smartest to use an Adafruit Motor Shield?
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AWOL
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« Reply #7 on: March 03, 2012, 04:16:28 pm »
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One is 3V, the other is 6V.
Both will probably work at 3V.
Neither can be driven directly from an Arduino I/O pin.
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Pete, it's a fool looks for logic in the chambers of the human heart.

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