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15
votes
Accepted
Why was monorail offered the way it was?
Comparison to 9V train sets
While there were many small train-themed sets in this time period, I'm not aware of low-cost starter sets. … Offering two completely separate train systems at the same time with slightly different features ultimately didn't pan out well for a lot of the reasons that you cited. …
20
votes
2
answers
6k
views
Are all of these police minifigs from LEGO?
While I'm glad LEGO is taking a principled stand on recent events, I've seen this set of police minifigs circulating on social media portraying the evolution of LEGO Police through time:
I don't have …
9
votes
Accepted
How to dump the micropython filesystem from the SPIKE Prime (and Mindstorms v4)?
(I also managed to partially dump the initial version on the hub v0.5.01.0000-42a938e, but ran into issues with binary files as I was using ampy at the time.) …
4
votes
Can monorail motor (2684c01a/b) be powered at 12V?
DC brushed motors are very forgiving, even the commutator and the bearing should stand 1.5 times the design speed for a long time.
But the gears don't.
It's most likely a plastic gearbox. …
0
votes
0
answers
30
views
How can I program two ev3 bricks at the same time with one program? [duplicate]
I want to be a program two EV3 bricks in Lego Mindstorms Education Ev3 software
1
vote
What is the best way of emulating a Ev3 brick?
After all the time I finally found a good way of emulating EV3 brick. …
3
votes
Identify this batman+joker set: grey/black parts with a few golden parts
), even if scanning through the printed 2x2 round tiles takes a bit of time. …
8
votes
3
answers
4k
views
How to build a limited slip differential?
What's the simplest way to combine the two mechanically such that if you have one motor driving two wheels, they can turn at different speeds (i.e. they aren't locked to each other), but at the same time …
6
votes
2
answers
254
views
How do you make a triggered counted ball drop?
simply make a big pressure-based ball reservoir that gets triggered everytime the small reservoir empties, it is an important aspect because it means the whole mechanism should not only be able to run one time …
1
vote
Are Nanoblocks compatible with other building bricks?
You will find them named “diamond blocks”, “micro blocks”, “mini blocks” or just small blocks, and 99% of the time they are the same. …
5
votes
Continuous power supply for the SPIKE Prime or Robot Inventor hubs?
How to charge the
battery: Charge the battery fully the first time it is used. The
battery can be charged when inserted in the TECHNIC Large Hub. Connect
the LEGO USB cable to a power source. … Charging time for the battery is up
to six hours. The TECHNIC Large Hub can be used during charging but
this will increase the charging time. …
2
votes
Accepted
I want to get started making GBC modules. Which standard powered system to choose in 2023?
devices.
and 2: The PU modules need a PF to PU adapters to power the modules,
As it is now old parts (the train regulator probably takes the lead) are the best for GBC, but that's only good for a limited time …
0
votes
How to disassemble the propulsion wheels of the LEGO/DUPLO train engine base part# 28743 dri...
I've had this problem with my train that over time has gotten worse. My train was unable to climb the bridge and recently started slipping on turns. … Also these recommendations of taking the wheel hub apart are probably a waste of time and destructive to the wheel. …
1
vote
0
answers
68
views
Windows XP (VM) problem with Mindstorms IR USB tower
So, recently I tried to make my old Lego Mindstorms (RCX) work again with modern hardware to avoid digging up my old PCs each time I want to use it. … Each time I plug in the USB tower, the cursor of my virtual Windows XP freezes, the VM seems frozen but I still can press Windows and interact with the keyboard, so XP is somehow still alive (I have difficulty …
5
votes
Accepted
Besides 42167 (Mack garbage truck) are there any other sets with bags NOT made out of the no...
We
have been exploring alternatives for some time and the passion and
ideas from children inspired us to begin to make the change.” … Moving away from the existing packaging is not a simple task and will
take time as new material must be durable, light weight and enhance
the building experience. …