Questions tagged [robotc]

ROBOTC is a development environment that can be used to program LEGO RCX, NXT and EV3 (as well as VEX, RCX, and Arduino robots) using a programming language based on the C programming language.

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9 votes
2 answers
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PC To NXT Brick via Bluetooth

We have a fully working java program that can connect to another computer and can send messages from this (both sides run java and we used SPP Server and Client). However, when trying to connect to ...
UltraForce's user avatar
8 votes
1 answer
6k views

How can I rotate an EV3 motor an exact number of degrees using RobotC?

I'm trying to rotate the motor of an EV3 by an angle of 50°. I can't. How I can rotate a NXT/EV3 motor by a given angle using RobotC?
FDuarte's user avatar
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5 votes
2 answers
2k views

Is it possible to use Bluetooth to connect two EV3 bricks using RobotC?

For example to send a numeric value from one to the other?
FDuarte's user avatar
  • 295
5 votes
1 answer
997 views

RobotC for RCX cannot find USB IR Tower

I have looked for similar question but found null. So here I am asking. I have Win7, a RobotC fo RCX and Mindstorms for RCX (both are old version, but available free). I borrowed an old LEGO kit (...
abqorian's user avatar
4 votes
0 answers
706 views

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 labelled A,B,C. I want, according to the color reading by the color sensor on ...
FDuarte's user avatar
  • 295
3 votes
1 answer
742 views

How to fix the Gyro

Currently the gyro sensor connected to the EV3 brick doesn't really work. whenever the gyro is attempted to be used the robot will just sit and spin once it gets to where it needs to use the gyro. Any ...
Jacob Eshelman's user avatar
2 votes
2 answers
846 views

Lego RCX 1.0 problem with communication

I have a problem with communication between the tower (it's installed and it's working - green light when communicating by IR ) and a RCX 1.0. It's not downloading .lgo file. I've tried with few ...
gregory's user avatar
  • 21
2 votes
1 answer
182 views

How to distinguish between objects using a sonic sensor?

I am trying to find a ball in the field, grab it, and drop in the specified area. I'm using an ultrasonic sensor on the front of the robot. My current solution for locating the ball is: Turn ...
OnScreen's user avatar
2 votes
0 answers
1k views

Lego EV3 simulator and programming

I've been searching and testing for hours. There is little information on this subject though. I have some specific requirements for a Lego EV3 simulator and programming environment. I do not want to ...
Appleoddity's user avatar
1 vote
1 answer
321 views

LEGO Mindstorm EV3 Line-With-Gaps Follower? [Robotc]

Trying to create an algorithm / code in order to get my robot to follow a track which it currently can do, using a color sensor and following the inside edge. So I'm wondering how to transition to the ...
SSSS's user avatar
  • 111
1 vote
1 answer
3k views

Getting the IR Tower working with RCX and RobotC [duplicate]

Possible Duplicate: Lego Mindstorms RCX RIS 2.0 IR tower Windows 7 / Windows XP driver Trying to get RobotC to work with my old RCX 2.0. I'm running windows 7 64 bit. I've connected the IR tower ...
James MV's user avatar
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1 vote
1 answer
406 views

Sending information from one EV3 brick to another EV3 brick

I am working on a project using RobotC and multiple EV3 bricks to participate in a robotics challenge. I am wondering if it is possible to send sensor values from one brick to another through either ...
Ohunter's user avatar
  • 113
1 vote
1 answer
454 views

Bluetooth communication between computer and nxt using RobotC

I'm thinking starting a project involving controlling the movement of a NXT robot from the PC using RobotC. Is it possible? Does anyone have a simple code solution?
FDuarte's user avatar
  • 295
0 votes
1 answer
431 views

How could I make a golf robot from a LEGO NXT kit?

I want to make a golf robot. It will be placed straight in line with the ball. It will approach the ball and swing. The part where I get confused is how to get it to swing in a left-right motion when ...
HelpmePlz's user avatar