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Questions tagged [vex]

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1answer
44 views

RobotC startMotor command useless?

I learned recently that robotc has a command called startMotor. it has two parameters, a motor and a speed, and it sets the motor to the speed. But the same thing can be accomplished in one line like ...
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0answers
13 views

Measuring torque of Vex gear shaft - highest accuracy for lowest price [closed]

I am seeking to collect data for my IB Physics IA (internal assessment). My question seeks to establish the relationship between speed and torque by adjusting gear ratios. (I am aware that gear ratios ...
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1answer
401 views

RobotC Code Malfuncion (VEX Robotics Clawbot)

I have a standard VEX Clawbot, which I've been trying to make go straight for some time. I've been following this guide: http://www.education.rec.ri.cmu.edu/products/cortex_video_trainer/lesson/3-...
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2answers
334 views

Robot won't work properly, claw will only go one way and will only open or close once per cycle

We're students trying to make a clawbot for a Science Seminar class. However, for some reason, whenever we try to move the arm or the claw in a certain way, it will lock up and only move that ...
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2answers
870 views

Is there an online RobotC IDE?

I'm on a Linux chromebook, and am using a Vex robot, and am wondering if there is an online IDE for RobotC that will run my computer?
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1answer
317 views

VEX Cortex Motor Speeds up under load

I am trying to get my robot to drive straight and am having trouble. I find that when running the motors with no load they run fine. If I put a load on one motor it accelerates. The other performs ...
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1answer
183 views

How can I switch between Autonomous mode and usercontrol?

I want to switch from usercontrol to autonomous. When I have the program running for 120 seconds, how come it wont automatically switch in autonomous mode? Thanks! ...
0
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1answer
205 views

What is the RobotC type for motors?

I'm trying to create a function that allows me to more easily start a motor, but I'm running into a problem, I don't know the type to use for the motorName argument....
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1answer
48 views

How to distribute tension load on a three footed claw?

Good day! I am helping my little ones 6 and 7 to develop a robot that can pick up and stack cubes three high as well as gather blocks. They came up with the design that enables them to pick up ...