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1500 questions
6
votes
1 answer
What are the various LEGO motors that have been produced over the years?
RCX, NXT, WeDO, EV3, Technic etc.
How many different motors have been released over the years??
undo
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6
votes
1 answer
Lego Micropolis tutorials?
I love the Micropolis cities (http://twinlug.com/micropolis-micro-city-standard/) and would like to try to build something myself.
Does anyone know good resources for learning to build according to scale and with details? Any tips would be…
FingeNB
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6
votes
1 answer
What ball-joint cup piece or configuration of pieces is shown in this render?
What is the name of this particular ball-cup, or piece combination that forms the thigh component circled below?
I have been unable to identify the gray cup piece when comparing it to other parts in the LEGO Digital Designer. I have ruled out this…
Courtny
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6
votes
5 answers
Does the Mindstorms EV3 software run on OS X El Capitan?
El Capitan was released a few days ago, and I want to upgrade. Will there be issues with the software, or will it run nicely on El Capitan?
My Mac:
Retina MacBook Pro 13", Early 2015
user4077
6
votes
1 answer
Difference between gyro sensor and compass sensor
Does the HiTechnic compass perform the same function as the gyro sensor? I have been trying to find out the difference.
Harmony
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6
votes
1 answer
What parts are include with this light blue bike?
I need to find the part numbers of parts on this bike.
Shayne
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6
votes
1 answer
Neutralize brick scent
I store some used Lego sets in household plastic boxes originally used for candy. I thought they were ideal, but now I found out the bricks have caught an unpleasant candy scent -- despite cleaning the boxes thoroughly.
After having washed the…
Gruber
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6
votes
2 answers
Lego 3804, Mindstorms Robotics Invention System 2.0 on Windows 10
I gave my grandson (11 years old) the LEGO 3804 Mindstorms Robotics Invention System 2.0. He built a couple things and when he tried to install software to program what he built, the computer would not accept the download. He is running Windows…
William Biehl
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6
votes
1 answer
Which combination has a lower gear friction?
I need roughly a 1:3 reduction and I see a couple of ways to achieve it:
using a 8t gear and a 24t gear (1:3)
using 2x 12t gears and 2x 20t gears (1:2.779)
using a 16t gear and a 40t gear (1:2.5)
using a 12t gear and a 36t gear (1:3)
Now, size…
user2813274
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6
votes
1 answer
Where can I find 'Dolphin', the 3D model to LEGO software?
It was created at the École Polytechique Fédérale de Lausanne.
But it seems it is no longer available for to download. Does anybody knows what happened?
Victor Victory Xia
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6
votes
1 answer
What are those 6 extra studs for in 42000 Grand Prix racer?
I recently purchased a set, Technic 42000 Grand Prix Racer, that I am very happy with. However, I am perplexed by the fact that the set came with 6 extra transparent 1x1 round plates (studs).
As you can see, this was clearly not a mistake, as they…
CC_22224
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6
votes
1 answer
What is wrong with a Lego pneumatics system that won't go?
I own a LEGO Technic Unimog U-400 (part number 8110) and have been very pleased so far with the performance of its pneumatic system. However, after storing for just a month or two (after a good 5+ months of hard use), the pneumatic actuators in the…
CC_22224
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6
votes
1 answer
Is it possible to use the Dexter WiFi Sensor with Robot C?
My wife bought me a Mindstorms NXT system a few years ago and I bought a Dexter WiFi sensor for it, by the time I got a chance to work with it, I found out the sensor had been "retired" and that the sample drivers no longer worked with the new…
eat-sleep-code
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6
votes
4 answers
How to make LEGO unbreakable
I would like to build a LEGO model which is unbreakable.
What is the best approach?
I am not looking for just glue here.
EDIT:
I don't just want to strengthen the bond between the bricks, but the model as a whole. The level of force to withstand is…
firelynx
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6
votes
2 answers
What are the differences between NiMH and Alkaline batteries for the EV3?
Currently I am using six rechargeable batteries for my Lego Mindstorms EV3.
A few seconds after I start a motor the EV3 gives a notification that that the battery is low.
I know that good batteries are alkaline ones. However, personally I want to…
Thomas Vos
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