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Results tagged with mindstorms
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user 3631
Please use this tag only for general Mindstorms questions and compatibility. If the question refers specifically to the EV3, NXT, or RCX, then use those tags instead.
2
votes
What is the max current for the LEGO EV3 motors (pin 1-2)?
The amperage drawn by any motor depends on the voltage supplied and the resistance (load) on the axle. Even if you provide the motor with more ampers than it could safely take, it will only consume as …
- 17.3k
13
votes
2
answers
4k
views
Where can one find the documentation for the LEGO Mindstorms Robot Inventor software?
Is the documentation (either official or unofficial) of the programming "language" for the LEGO Mindstorms Robot Inventor software available somewhere? … (I have looked at the official LEGO site for the Mindstorms product line, but found nothing there)
To elaborate, I'm looking for a resource detailing the available commands, their possible parameters, …
- 17.3k
5
votes
My Mindstorms Spik3r can't turn around
According to this article, the turning is supposed to function via a
wheel on the bottom that while the car moves forward stays straight but that once the car moves backward moves a little to the …
- 17.3k
2
votes
How to restart/reset a program automatically after stop block
Please note that I already have a loop encompassing the entire program if the colours are detected in the correct order.
How about creating another loop for the failure case?
Start loop 1 (corre …
- 17.3k
2
votes
Missing parts in a Lego Mindstorms box
Could it be that there're parts missing in a LEGO box?
Rin Rio-Oki has pointed you to the place where you can definitely get replacement parts, but to answer your first question, yes, it is indee …
- 17.3k
1
vote
Is there a way to restart a program with EV3?
If I were you I'd use a loop inside the program. In this loop the prompt for entering the code would be displayed, then the user input would be read. Finally, the code would be checked and if correct, …
- 17.3k
3
votes
Two motors are driven forward, why are they rotating in different directions?
The "forward" and "backward" expressions are only interpreted in the reference frames of the motors themselves and translate to clockwise and counter-clockwise. In your case you must have mounted the …
- 17.3k
1
vote
Unsure of how to use a switch that is time dependent
You have not provided your programming language of choice, so I'll answer in pseudocode which can then be adapted to the specific environment.
It should be possible with the following construction:
…
- 17.3k
8
votes
What are the various LEGO motors that have been produced over the years?
For a comprehensive enumeration and measurements on all motors, refer to Philo's excellent page on this topic: http://www.philohome.com/motors/motorcomp.htm
There are some LEGO motors that are missin …
- 17.3k
1
vote
Does the Mindstorms EV3 software run on OS X El Capitan?
The official LEGO.com page says:
Mac OS 10.6, 10.7 and 10.8 with the latest Service packs
This does not include 10.11, but seeing that another official LEGO.com page says:
Fixed Bluetooth cr …
- 17.3k
1
vote
Accepted
Teleoperated arm trouble
Disclaimer: I have never used the EV3 interface, only the text based programming languages for the NXT. Therefore I might be proven wrong.
I need a reliable way to read the gyro sensor readings
…
- 17.3k
4
votes
Accepted
LEGO mindstorm - which product to use to make projects mentioned below
A basic EV3 seems to be enough for most of the basic projects, but you might find yourself in need of a handful of extra parts (gears, beams, etc). The basic kit does not include a gyroscope, but you …
- 17.3k
0
votes
Return a robot to its start position?
Are you programming your robot to move? If so, then you could just keep a running log in your code of how far did each of the motors turn. Based on this log you could replay the whole log backwards to …
- 17.3k
2
votes
Finding certain positions in a room?
There are a few different but related problems here.
Position Your robot should be able to know where it is in the room. This can be achieved in a few ways:
Using the ultrasonic sensor as a sonar, …
- 17.3k
7
votes
Accepted
Robot that builds a copy of itself
This seems pretty much bordering on the impossible, given the current state of (LEGO) engineering capabilities. What you are describing is a Von Neumann Machine and as far as I know nobody succeeded i …
- 17.3k