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EV3 Motors 
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Joined: Tue Oct 22, 2013 11:00 am
Posts: 15
Location: Texas
Post EV3 Motors
Is there code similar to this for the EV3

task main()
nSyncedMotors = synchBC; //Synch motors B & C, B is the master
nSyncedTurnRatio = 100; //the wheels will be 100% synched
motor[motorB] = 50; //the robot’s power level is 50%
wait1Msec(5000); //the robot will move for five seconds

We are trying to sync the motors to improve the straight lines when driving around a set of Pylons

Tue Sep 23, 2014 9:29 am

Joined: Wed Aug 06, 2014 10:24 pm
Posts: 9
Post Re: EV3 Motors
I would also like to know how to synch the motors on my EV3. It drifts left and I can't get it to go straight.

Thu Oct 16, 2014 1:34 pm

Joined: Sun Oct 05, 2014 7:19 am
Posts: 3
Post Re: EV3 Motors

Fri Oct 17, 2014 3:11 am

Joined: Mon Mar 10, 2014 2:17 am
Posts: 6
Post Re: EV3 Motors
I found this on the download page of RobotC for Mindstorms:

Functionality Missing/Still in Development:
    EV3 External Controller (TETRIX, MATRIX) Support
    Daisy Chaining EV3's together and using chained motors/sensors
    Wifi Download and Debugging
    Synchronized Motor Functionality
    Joystick Support for EV3
    File System Commands (Read/Write files in a ROBOTC program)

Also, nMotorEncoderTarget is not supported. Will it be supported or deprecated?

Fri Oct 17, 2014 5:40 am

Joined: Sun Oct 26, 2014 8:05 pm
Posts: 1
Post Re: EV3 Motors
Do any of you have any idea when the motor synchronization capability will be available? I have a group of heart-broken kiddos who have designed two robots for the World Class FLL competition with the intent of programming them in ROBOTC and now we have to decide if we throw all that away and start over with NXTs (to stick to our plan of programming in ROBOTC) or use standard EV3 block programming. The kids feel that motor synchronization capability is key to gaining robot stability.

I will write to RoboMatter to see if I can get more information from them.

I am totally new to RobotC programming so please let me know if there's another solution.

Sun Oct 26, 2014 8:21 pm

Joined: Wed Feb 24, 2010 11:51 pm
Posts: 31
Post Re: EV3 Motors
mtodd0824 wrote:
designed two robots for the World Class FLL competition with the intent of programming them in ROBOTC

Before you invest too much more time on this, perhaps you should review FLL Rule 24. RobotC is not a legal language for FLL.


Vex & FLL Coach and robotics instructor

Mon Oct 27, 2014 2:48 pm
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Joined: Wed Mar 05, 2008 8:14 am
Posts: 3654
Location: Rotterdam, The Netherlands
Post Re: EV3 Motors
Synchronised motor support has been added to the latest internal build, which should be released early next week! :)

= Xander

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Fri Oct 31, 2014 5:01 am
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