Questions tagged [bluetooth]
A proprietary open wireless technology standard for exchanging data over short distances. Used by the NXT for communication between the programmable brick and a PC or Mobile device.
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How I can connect the LEGO SPIKE Prime hub via Bluetooth in Visual Studio Code using the pybricksdev library?
I'm trying to send some data from the hub to the terminal for some debug. But I can't figure out how I can connect the hub via Bluetooth to my PC. I tried to look in the API documentation and maybe I ...
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Problem to connect my NXT to Bluetooth. everything else run fine
I use Windows 11 (64 bit). NXT sw v2.1, NXT firmware 1.31.
I have reinstalled these several times, without success. Everything seems to work fine except to connect via Bluetooth, that fails most of ...
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Connected EV3 bricks don't react (EV3 Classroom)
I have a big robot that needs four big motors to drive it and two small motors for other functions -> I need two bricks to communicate with each other because they need to use the same sensors.
I ...
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Xbox to Robot Inventor?
Is it possible to connect an Xbox controller directly to the Lego Robot Inventor(51515) intelligent brick?
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Robot Inventor Bluetooth not working
A while ago, I started up the Robot Inventor program and noticed the computer was not connecting. When I clicked the "Connect" button, the loading "circle" simply started spinning ...
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Bluetooth connection between an Android phone and EV3 brick?
I've paired my phone to the brick, however I was wondering if there were any resources out there regarding a simple android app to type something out on my phone and output it on the robots LCD screen....
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What is the Bluetooth PIN for the LEGO train PUP remote (88010)
I'd like to use the Powered Up train remote, #88010 as a simple controller (bang-bang only, obviously).
It's Bluetooth, and it shows up as a device, but the PINs 0000 and 1234 don't appear to work.
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Automating self built models
I have just started with Lego, building the excavator with the 2 Bluetooth hubs. Can I program a model I build using this type of hub and motors or do I require EV3 (if indeed EV3 allows you to ...
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Any way to get the current motor position or angle in WeDo 2 (when accessing hub via BLE protocol)?
I have managed to write a small C# program that lets me play around with the WeDo 2 hub. I can read sensor values or set the speeds of up to two connected WeDo motors independently (I am aware that ...
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Can Lego Remote Control 88010 control Lego Technic Hub 88012?
I have been exploring the new Bluetooth Technic smart hubs with the Control+ app and PoweredUp app. I would like to also use a physical remote.
I have the Technic smart hubs that come with the ...
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Bluetooth connection between EV3 brick and MacBook Pro fails after 2 seconds
As I was adviced, I searched for same questions before posting mine but although some are similar, I can't make their answer useful for my problem.
I have a Mindstorms EV3 Education brick and a ...
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How to disassemble LEGO train engine base part# 28743?
I have one of the new Bluetooth engines (part 28743, but in the bottom it says Hub No 5 model) that has started to under-perform and make some noises, I think that it need some maintenance (maybe due ...
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NXT not updating, "Cannot locate NXT device to download firmware!"
I am using a Bluetooth connection trying to update firmware from 1.05 to 1.31 and it displays the message:
Cannot locate NXT device to download firmware!
My NXT works fine other than that. I got ...
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How to connect an NXT brick to the LEGO programmer application on an iPad?
Can you connect a NXT brick to an iPad via either USB cable or Bluetooth? For me neither seem to work even though the EV3 brick (and the LEGO programmer application) should be backwards compatible.
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Can several users control one Powered Up train using different devices?
According to this review of the new 60197 passenger train you can only have one Bluetooth thing talk to the new LEGO battery box at a time.
The new Power Up system as it currently appears in this ...
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EV3 Brick and Commander app Bluetooth disconnecting
On iOS on an iPad, we're having an issue with the EV3 Brick and Commander app Bluetooth connection constantly disconnecting. The brick just stops responding, so we turn the brick off to disconnect and ...
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Hacking the Bluetooth motor in the motorized LEGO® DC Super Heroes 76112 App-Controlled Batmobile
I'd like to hack the receiver / motor so I can control it from my Mac (or a PC if there is no other way).
Recently LEGO released an app-controlled Batmobil - product detailed are here:
https://shop....
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Is there an API for the Duplo 10874 train set?
I intend to buy this train set for my daughter. Apparently, the locomotive can communicate with an app via a bluetooth connection.
My question is: is there any documentation available so that I can ...
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How to send through Bluetooth motor angle position and mirror that position on another motor?
I've built a steering wheel that checks the servomotor position using NXC function - MotorRotationCount(). Now, I want to send that position to second brick using Bluetooth and apply that servomotor ...
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EV3 does not react to Bluetooth commands after 1.7 seconds
Short description:
I want to send commands via Bluetooth to an EV3 brick from a Linux computer.
I use python to send bytecodes via Bluetooth and not any EV3-specific software
Pairing the device was ...
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EV3 isn't showing up in programming software after pairing on Windows XP
Running Windows XP x32.
I've connected, paired, connected, paired, paired, and connected, but I just can't get the EV3 software to recognize my EV3!
I've used this EV3 before on a different PC over ...
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LEGO mindstorm EV3 control using FPGA
I need advice on this issue. I want to build a communication between EV3 Mindstorms and FPGA. I want to control the different actuator/sensor of the EV3.
The idea is to test functionality of my ...
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Bluetooth connection to EV3 from Java on Linux/Android
I would like to connect to my EV3 from PC (and then Android) via Bluetooth.
I was able to connect to NXT with LEGO-MINDSTORMS-MINDdroid which uses direct LCP commands but as far as I know the ...
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Getting a PC to recognize Lego Mindstorms as Controller Input
It is quite obvious that you can make a controller out of Lego Mindstorms, but I am curious as to how you can go about connecting this controller to your PC, and getting it to recognize it as ...
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EV3 won't connect through bluetooth anymore
I was using VS2015 (C#) to write simple programs for my EV3 using a bluetooth connection. This was working fine for several days and then suddenly stopped. I can't for the life of me figure out why. ...
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Use Bluetooth to access NXT display
I'm planning to use NXT to troll my friends, and I want to show something on the screen that I send to it via Bluetooth. To clarify, I want to type it on a computer in another room. Is there a way to ...
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EV3 software crashes on Windows 8 laptop
My cousin has Windows 8 x64 netbook laptop. When he tries to start the application he gets .NET framework error and I can see following text in the log file:
+000,016 >> MINDSTORMS EV3 launched ...
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How to receive response from direct_command_reply from EV3 using Python?
I've established and tested a Bluetooth connection (by playing a tone) between EV3 and Mac running Yosemite with Python 2.7.11.
I used file write as in bt.write(tone) in Python to play the tone ...
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Connecting EV3 to Mac over Bluetooth without Lego Mindstorms software
I am trying to connect the EV3 brick over Bluetooth to a Mac so I can use direct commands to send bytecodes. However, the Bluetooth connection remains active only through the Lego Mindstorms software....
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No response when controlling the Mindstorms EV3 brick over Bluetooth
I am trying to control the EV3 using direct commands over a Bluetooth connection. There are no issues pairing the brick with a PC or phone, and opening the serial connection works fine, but sending a ...
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pc program to receive data from EV3 via usb/bluetooth
I'm looking for a library to create a desktop program. It should receive a data from EV3 brick programmed by standard EV3 software.
Currently I consider 2 approaches:
1. EV3 brick sends a bluetooth ...
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How do I control one EV3 using another through bluetooth and LabVIEW?
I have LabVIEW 2014 and I'd like to control make one EV3 move forward using another through bluetooth using LabVIEW, and I don't want to have to use the computer as a relay. How do I do this?
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What is NXT-G number format?
We've been following this tutorial to connect a NXT 1.0 brick to a PC via Bluetooth.
We've been able to set up the communication, send and receive data in ASCII format.
However, whenever we try to ...
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Bluetooth Conection PC-NXT1-NXT2
I want to connect, via Bluetooth, one PC with a NXT brick and then have that NXT communicate with another NXT.
So I send a message from the PC to NXT1 and have NXT1 send a message to NXT2.
Is this ...
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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?
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How can I use bluetooth on my phone to run a program on the EV3 brick?
I tried the Commander app but it seems to just let you control individual motors.
I would like to run the various programs I have made using an input on the phone through Bluetooth
Is this possible ...
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Can a EV3 program run simultaneously with the Running Robot commander app?
Is it possible to run the Robot Commander app and a program on the EV3 brick at the same time?
If so how would it be accomplished?
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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?
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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 ...
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I need a block that can combine a movement program with NXTbee radio
I am a student. I am working on a science project using LEGO Mindstorms robots enhanced with NXTbees creating a mesh network.
My engineering mentor has me using LabVIEW. I am trying to find a block ...
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Direct control of EV3
I need to control a car with an EV3 brick. I want to control it remotely. The trouble is, I'm using an education set so I don't have the remote. What means of controlling it remotely could I use? I ...
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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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How do I get the Mindstorm EV3 software to recognize an NXT brick via Bluetooth?
I'm trying to program my NXT brick via the EV3 software over a Bluetooth connection.
I can connect it via USB (although that too failed initially, but has since been resolved; not sure why) but I'd ...
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Is it possible to connect EV3 and NXT bricks like master/slave configuration via bluetooth?
Can I make a Bluetooth connection between LEGO EV3 bricks and LEGO NXT bricks? and If it is possible how to handle the software to make a chain between them?
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Direct command lego ev3 [closed]
Is there any documentation about direct command bluetooth of EV3?
Thanks,
regards!
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How to use two NXT bricks for 3+ motors and 4+ sensors?
I need to use multiple bricks in order to use more motors and sensors. I need to read sensor values, and tell motors to move.
I've tried using bluetooth, however my attempts haven't been very ...
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Use iPhone camera as an input sensor for EV3
As EV3 has Bluetooth builtin as well as iPhone too, is there a way to connect them somehow so that iPhone could send data from the camera via Bluetooth to an EV3 brick?
As a more general question, ...
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Can I change the Bluetooth identifier for an EV3 brick?
I'm coaching a number of FIRST Lego League teams and wish to set up our lab so that each computer could potentially be paired with each brick, but I want to uniquely identify the bricks (EV3-Team1, ...
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NXT Bluetooth "Failed!" when turning on
When I attempt to turn on my bluetooth, the response on the display after about 5 seconds is "Failed!" Then I'm sent back to the main menu.
I've reset the unit and updated to latest firmware (1.31) ...
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Bluetooth pairing successful in OSX but Mindstorms NXT software still can't connect
I'm using OS X Mountain Lion. I've installed the Mindstorms NXT software successfully using the NXT Script.rb script from Lego's web site, which is supposed to tweak the install so that it is ...
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