Questions tagged [remote-control]

Controlling LEGO creations remotely.

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10
votes
3answers
11k views

Alternative to LEGO CONTROL+ app

My son just received the Liebherr R 9800 excavator 42100 LEGO set. It would seem the Control+ app that is recommended for it simply won't work. It doesn't even connect to the blocks. What are the ...
37
votes
8answers
28k views

What are the best options for building a LEGO RC car?

I would like to build a remote controlled car. And if someone already has a good solution for that I would be glad to try it. It's been a while since I had the time and material to build some LEGO ...
4
votes
1answer
504 views

Difference between the "Simple Medium Linear Motor" (45303) and the "Medium Linear Motor" (88008) Powered Up motors

What is the difference between the "Simple Medium Linear Motor" (45303) and the "Medium Linear Motor" (88008) Powered Up motors, other than the size and design? Is the performance ...
3
votes
1answer
86 views

Can I control PF M-motor with PF train controller?

Can I control Power Functions M-motor from 8293 set with remote control from 60051 train set? It seems from the picture, that the sockets fit into each other. So if I have the train set, and want to ...
5
votes
1answer
93 views

Xbox to Robot Inventor?

Is it possible to connect an Xbox controller directly to the Lego Robot Inventor(51515) intelligent brick?
4
votes
2answers
239 views

Motorized Excavator (8043) set alternatives

I'm on the search for a motorised excavator set and have the 8043 in mind. It is now retired and no longer available. Are there any alternative currently available sets? I have looked at a few options ...
2
votes
2answers
2k views

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 ...
6
votes
2answers
761 views

Arduino-izing LEGO Technic - ideas for a car / vehicle to choose

I am starting a project - Arduino-izing LEGO Technic - and now I need some ideas for a car / vehicle to choose. This project starts out as a quest to find a way to combine the ease of LEGO Technic ...
4
votes
3answers
181 views

Will non-Lego remote controls work with Lego IR receivers?

I bought a KAZI model of a Chinese bullet train CRH400F a month back and want to use a remote control. I bought an IR receiver and remote control, but the other IR receiver is lost in the post. So I'm ...
6
votes
1answer
175 views

Why doesn't my LEGO Micropython remote control program work?

I am writing an EV3 micropython program meant to test my remote, but it does not work. When I run it, I see no errors at all. Instead, I just see a "play" symbol and the program continuously ...
6
votes
3answers
1k views

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 ...
2
votes
1answer
172 views

Can you remotely control Lego Education WeDo 2.0 creations using the WeDo app?

I wonder if the WeDo 2.0 app has remote control capabilities or is it only about programming the creations and then running the programs?
3
votes
1answer
1k views

How to Motorise 42111 Dom's Charger Technic

I just received the 42111 Dom's Charger set as a gift, and I was wondering whether it could be motorised and RC controlled? A part list would be great as I don't own any Power Function parts. Cheers ...
7
votes
2answers
8k views

List of Lego Technic sets with remote controller?

I am interested in buying a set with motors (etc) with a remote controller. Is there a website that allows to search with this conditions? Official website is pretty bad. I have found the Lego ...
7
votes
1answer
2k 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 ...
3
votes
1answer
128 views

Why remote controls are seldom used in Technic sets?

(As of Jul 2016) According to this, it mention that currently there are a total of 376 Technic sets. However, this information mention that only 6 of them have the remote control function. This means ...
5
votes
1answer
237 views

What is this silver and transparent green electronic piece for / from

I found this Lego in a box with other old Lego parts and I have no idea what it is for. It has a 'Lego' logo with a code 5202 but I can not find anything online. Could someone please give me more ...
1
vote
1answer
118 views

IR protocol for Duplo RC Dozer (2949)

Does anyone know where to find the IR protocol for Duplo RC Dozer (2949)? I have the RC Dozer and no remote and wanted to use a universal remote to control it.
2
votes
1answer
76 views

Problem with the range for controlling Sunset Cruiser 8676

Does anyone know why the Sunset Cruiser 8676 only works when the antennas are about 12" or closer together? Any farther apart and it doesn't run. It has fresh batteries. Any help would be appreciated....
4
votes
1answer
101 views

What is the function of this device? What kit? Black remote with 5 buttons and 3 AAA batteries?

Some kind of IR device #s on cover 41305 #s on outside case 4252 LEDs appear to be IR transmitter and receiver. Red and white LEDs also seen.
0
votes
1answer
130 views

8386 Ferrari F1 Racer convert to an RC

Help convert 8386 Ferrari F1 Racer to an RC
3
votes
2answers
4k views

How do I make a remote control car without LEGO motors?

I have no LEGO motors In my collection, what are some household materials I can use?
2
votes
1answer
126 views

Two separate functions of 5282 RC remote?

Given the RC set of 5282 and 6272c01 below: Is there a solution to use the two paddles that command the auxiliary output of the receiver for different functions? For reference, see this at 1:45. ...
1
vote
1answer
283 views

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 ...
7
votes
1answer
116 views

Can anyone identify this dark grey remote control and receiver with yellow and orange buttons?

Does anybody have an idea where this remote control and receiver are originally from:
4
votes
2answers
2k views

How does the remote control on the 9398 4X4 Crawler work?

Been looking for a good option for creating a remote control car but it seems Lego released an "official" way via the 9398 4X4 Crawler but it's expensive. How does it work? And that's really two ...
8
votes
2answers
2k views

LEGO Submarine waterproofing functional parts (e.g. motors, RC receivers)

From my understanding, the motors and RC receivers are not waterproof. Thus, the LEGO submarine from Sariel's LEGO® Workshop rust after sometime. So, is there any way to make the motors and RC ...
2
votes
1answer
76 views

How to prevent PF M-motor from springing back

I'm currently building a car with a simple 2-speed remote controlled synchronized transmission, shifted by a PF M-motor. Everything is fine except for one thing, the transmission driving ring is ...
1
vote
1answer
628 views

LEGO remote control 8879 for 2016 Winter Train not working

I purchased parts 8879+8884+88000+88002 to power the new Winter Holiday Train. Fresh out of the package the remote controller 8879 does not make contact with the positive end of the battery. Thanks ...
2
votes
1answer
131 views

Is it possible to use multiple IR beacons on different channels to control EV3?

One IR beacon has very few buttons and I would like to buy additional beacons and use them simultaneously to be able to control more channels. I can't find any information if this setup will work. ...
3
votes
1answer
60 views

Power Function IR Remote always emitting after putting batteries

My PF IR remote led indication light is constantly on after I put in new batteries. It stay on without me touching anything. A quick check with my phone camera showed that the IR emitter is emitting. ...
3
votes
2answers
489 views

My 9398 crawler going in reverse way

I built 9398 crawler set and everything seemed OK. However, when I moved the RC tumbler up, the crawler went back, and when I moved it down, the crawler went forward. On the battery box I saw ...
4
votes
2answers
134 views

Is there on/off function on the 8879 IR Speed Remote Control?

Just got 8879 IR Speed Remote Control yesterday. Does it have an on/off switch? We don't see one.
3
votes
2answers
3k views

How to instruct Mindstorms EV3 from PC conditionally?

I want to direct my LEGO Mindstorms EV3 creature from my PC conditionally (ev3dev, Python). The idea is that the program runs on the computer, collects real-time data from different sources, processes ...
15
votes
4answers
11k views

How to build a steerable remote-controlled vehicle with just 1 motor?

In WeDo 2.0 set there is only 1 motor, which can be remotely switched on and off by using the iPad app (by writing a Scratch program). Also motor rotating direction can be toggled remotely. As an ...
7
votes
2answers
164 views

Can I use two remote-controlled LEGO Tracked Racers 42065 simultaneously?

I want to buy two sets of the LEGO Tracked Racer 42065 so that my children can play together. I can't tell if they would be able to use the racers simultaneously. Are the IR receivers multi-channel? ...
11
votes
1answer
6k views

What IR Codes are the Power Function remotes sending to the receiver?

The PF IR Speed Remote Control (the train one) is "7 speeds" but as I turn the dial to make it go faster it's hard to tell what speed it's at. I wonder if I could setup my programmable remote so that ...
3
votes
1answer
42 views

Sensor usage during manual control

I created a design challenge where students will use their touch sensor and ev3 brick to play a game of freeze tag. Is it possible to have a program where they can manually control their robot via ...
0
votes
0answers
483 views

How can I combine multiple PF XL Motors [duplicate]

I have built an enormous and heavy Lego RC tank, driven by 2 XL Motors, connected to a subtractor, one motor is for steering, the other is for propulsion. Despite having already geared down the motors ...
5
votes
2answers
4k views

Is it possible to run more than two remote control trains on one track?

My son has two passenger trains and a lego cargo train. We can get two trains running on the track using one remote. But how do you operate a third train? We do have other remotes which came with ...
8
votes
3answers
4k views

Running Power Functions Train Without IR Receiver/Remote

I recently bought 10254 Winter Holiday Train and wanted to get it running around the provided circle of track. I was wondering if there is any way to do this without incorporating the IR receiver and ...
5
votes
1answer
364 views

Turn on LEGO Mindstorms robot remotely

I'm thinking to build a robot using either NXT or EV3, then I can control it remotely via WiFi or Bluetooth from my office! It's not difficult to write the controlling codes, but how can I turn the ...
4
votes
1answer
6k views

Why is the LEGO IR Receiver V2 not widely produced? Or are they?

Basically, there are 2 different major versions of the LEGO IR Receiver, the unmarked V1 and the labeled V2. I've also read somewhere there was also a small hardware upgrade to the V1 Receiver at some ...
7
votes
1answer
439 views

Lego® Train 60051 alternate IR remote

I live in Uganda and purchased the LEGO High-Speed Passenger Train (60051) for my two sons. I am wanting to know if anyone knows of a different remote control that I can use besides the brick remote ...
2
votes
1answer
2k views

What is the best option for Mindstorms EV3 remote control for motors?

I have never experimented with remote controlling EV3 but I wonder what is the best way to use it, especially in the case when I'd like to control large and medium motors parallel as well, possibly ...
0
votes
3answers
3k views

PC control Ev3 robot

I wanted to see if I could control my robot with a PC and I wanted to know if there was a way to do it. I have already searched for a controller for the PC and didn't find anything.
0
votes
0answers
203 views

Cargo Train Deluxe (7898) not running [duplicate]

I was working with the main locomotive of set 7898. I put brand new batteries in both the controller and locomotive but for some reason every time I press the button to turn on the train, the red ...
7
votes
1answer
2k views

What LEGO Power Function parts do I need to make an RC car?

I'd like to make a remote control LEGO car with steering and forward/back functionality. Looking at the LEGO Power function parts I'm assuming I need the following: A battery (8881 or 8878) A motor ...
2
votes
1answer
381 views

How to Motorize the LEGO Mars Rover

I am looking for some suggestions. My daughter is building the Mars Rover set (go here for the details: http://www.eurobricks.com/forum/index.php?showtopic=98222) for a presentation at school and I ...
15
votes
4answers
30k views

How can I wirelessly connect the NXT and an iOS device?

I've seen videos around YouTube (like this one for a car) that show an ability to control a Mindstorms set via iOS (either iPhone or iPod Touch). I am just getting started with Mindstorms, but find ...