Questions tagged [remote-control]

Controlling LEGO creations remotely.

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5
votes
1answer
274 views

Can I Conect 2 NXTs so that they work together?

I am building up a robot and I want to use 2 NXT connected together because I need more than 3 ports A,B,C. So my question here is: When I write the code, is there anything different I have to do? ...
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 ...
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 ...
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 ...
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 ...
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 ...
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 ...
9
votes
1answer
4k views

Does the Power Functions IR Remote Control 8885 make a good remote for a car?

I have the Power Functions IR Speed Remote Control 8879 and it's great for, well, the train it came with and maybe other applications where you don't need precise control. 8885 looks like it would ...
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 ...