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VEX robotics questions

posts: 1

Hi,

I have some questions about the VEX robotics kit that I thought you guys might be able to answer for me.

First, why do the motors have 3 wires? There are the positive and common leads, but what is the third for?

Also, I'm thinking about getting the programming kit but am somewhat wary about doing it because it costs $100. Also, I have heard that the IDE is not very good, and that the language it uses is hard to code in. Is there anyone who has experience with the programming kit and can tell me if any of the rumors are true?

What programming language is used to program the VEX microcontroller? Is it hard to use?

Would it be possible for someone to send me a copy of the IDE used for programming the microcontroller? I'd like to see what it's like.

[Post edited by orion to remove public email address]

Thanks,

Jason


orion posts: 185 United Kingdom

Good afternoon Jason,
While I couldnt help you by sending you a VEX IDE, my understanding is that the motors are Servo Motors. Therefore, while you astutely guessed that two of them are the positive and negative, the other cable is actually the signal cable. Servo motors operate in a slightly different and more intelligent way from standard DC Motors?.

It is certainly a more advanced, and a more complicated system to use than say the Lego RCX, but it is also more capable. You certainly are not going to get the simplicity of the visual Lego RCX Code system here. Saying that if you are using easyC - it is not too unpleasant.

If you are familiar with C, you have a C based language to work with, and if you are a beginner, you have the visual components to work with. It means you can start with the beginners visual lanugae, and smoothly transition. Read Intelitek - Products - EasyCâ„¢ and REC (Robotics Engineering Curriculum) for VEX Robots - EasyCâ„¢ for more details on easyC.

If you are an absolute beginner and have not taken the plunge to buy anything, I would seriously recommend starting with Lego Mindstorms? and buying the RIS kit. Once you have gained some experience with it, you could then try more advanced languages on it like NQC, BrickOS or Lejos.

Good luck Jason,

Orion


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