EV3 is the current generation of LEGO MINDSTORMS, released in 2013.

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Creating a native EV3B block

I'm trying to create a native block for a hardware sensor. I've got it working pretty well, but can't get it to show up in the "port view" as anything but a sound sensor. I really need the live view ...
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EV3 RMIregulatedMotor Regulation Problems

I have problem with regulation of the motor when I control EV3 with Bluetooth. Here is the code: RemoteEV3 ev3 = new RemoteEV3("10.0.1.1"); ev3.setDefault(); RMIRegulatedMotor leftMotor = ...
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220 views

How to close color Sensor properly?

I want to get data from the color sensor with Bluetooth. I can get data but when the program terminates, the color sensor dose not close even though I call function close() on the color sensor. The ...
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1answer
162 views

EV3 Rapt3r's head cable interfering with slithering

My Rapt3r is working great, except that the cable that goes from the head to the "Intelligent Brick" physically interferes with the slithering on the side on which it is plugged (port 4). Physically ...
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EV3 T Rex problems

I am new to this and I need some help with the moveabsolute block which is descirbed in chapter 16 of Daniele Benedetelli's book. In figure 16 - 2 he describes the block and here is my problem: I ...
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Light on color sensor is blue

We had the sensor color on red and it was working with our remote. We changed the batteries in the 'brain' and now the light sensor is blue and won't work with the remote. Any suggestions? It's a ...
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120 views

Can Mindstorms EV3 communicate using protocol 802.15.4?

My aim is to make the robot communicate using protocol 802.15.4 through a USB dongle 802.15.4 over 6LoWPAN. The robot has to be able to get information from TelosB. I wonder whether this possibility ...
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Not detecting motor port D

We are trying to program in LabVIEW, using all 4 motor ports. On the port selector, port D is not even showing up.
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Can I use EV3 with a TETRIX motor?

What program can I use to control a TETRIX motor through the LEGO EV3? I've heard that RobotC currently cannot be used for this. Has NI released a Labview version which I can use to control TETRIX ...
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Free EV3 simulator(virtual machine) for mac

I recently saw this question on a virtual EV3 machine. From the video, I felt that this software will be great. However, I don't have the budget needed to buy a licence. Is there any alternative to ...
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Issues connecting the EV3 on Windows 8.1 64bit

I have got a computer with Windows 8.1 64 bit and I have installed LEGO Mindstorms EV3 software Home edition and tried to connect the EV3 brick to the computer, but the brick didn´t connect to the ...
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Connect two EV3 bluetooth with RobotC

It'is possible bluetooth connecting for two EV3 bricks using RobotC? Why send a numeric value from one to other?
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Daisy chaining EV3 with RobotC

I'm trying to run EV3 programs with RobotC and trying run on EV3 Daisy Chaining. I have three independent EV3 bricks labeled A,B,C. I want, according the color reading by color sensor connect on port ...
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Align with a Line using Color Sensor

How can I align on a line using a NXT Color Sensor and a EV3 color sensor? When I programmed it, the EV3 color sensor detects black first! Please help!