9
votes
Looking for instructions for Nanoblock Synthesizer (NBC_038)
I found video on YouTube for model speed build. Playing on 0.25 speed produce an acceptable result with parts being used in each step. At the second part of the video instruction sheet is also visible ...
9
votes
Accepted
Recommendation on how to build a "brick presence detector"?
I'll suggest going the Arduino way and relying on magnetic contact switches - fairly inexpensive, and invisible once embedded in a build.
Another commonly used trick is using an ultrasound distance ...
8
votes
Arduino-izing LEGO Technic - ideas for a car / vehicle to choose
I'd be tempted to use the Batmobile (76112) design:
Basically, you have independent motors for the left and right wheels. This allows you to steer quickly and easily without the fuss of a traditional ...
7
votes
Which is more environment-friendly: LEGO bricks or Mega Bloks?
There are multiple ways to look at this question, but in any case, probably LEGO.
Production
LEGO has been prioritizing sustainability as of late, with all of their electrical uses and more already ...
7
votes
Accepted
Looking for instructions for Nanoblock Synthesizer (NBC_038)
Among other printed instructions for Nanoblock kits found on Fandom Wiki there is one for Synthesizer (NBC_038) kit as well:
7
votes
Recommendation on how to build a "brick presence detector"?
LEGO Dimensions had NFC tags in the round bases, e.g. part 18602c01 "Dimensions Toy Tag 4 x 4 x 2/3, generic":
These can be integrated into the accessories. The tag, and therefore the ...
6
votes
Accepted
How to buy a lot of 65803 Technic plates for a mosaic project?
Available as a Bestseller at LEGO Pick-and-Build. That means you can order a maximum of 999. Hopefully that is enough for your purposes.
https://www.lego.com/en-us/pick-and-build/pick-a-brick?query=...
5
votes
Help identifying a Megabloks set - grey and black mass
That is the fuselage of 9962 Supersonic Fighter:
However, it appears that the stickers haven’t been applied.
5
votes
Accepted
Arduino-izing LEGO Technic - ideas for a car / vehicle to choose
If I were you, I'd try to use a car chassis as simple as possible.
This would achieve multiple goals:
By using a vehicle with the least amount of complexity you can keep the price low.
By avoiding ...
5
votes
Can you identify this piece of non-LEGO submarine from a sketch?
If you are looking for the LEGO equivalent of it, it's a Slope, Curved 2 x 2 No Studs, 3 Side Ports Recessed: https://www.bricklink.com/v2/catalog/catalogitem.page?P=44675#T=P
5
votes
Accepted
Does LEGO sell a DC relay for Power Functions?
LEGO doesn't make something to directly facilitate this type of integration as far as I know. If you can get a PF extension wire, you could cut it and directly make the connections to your driver ...
4
votes
In what ways are LEGO and Megabloks incompatible?
I can only provide info for basic bricks. I am an avid fan of both Lego and mega bloks. That being said there is a large difference in quality in mega bloks sets older then 2010. The more modern sets ...
4
votes
Difference between gyro sensor and compass sensor
I haven't personally used the HiTechnic sensors, but the difference between a gyroscope and a compass is that one measures absolute orientation and the other measures change in orientation.
The ...
4
votes
Accepted
Is there a slotted yoke piece?
I don't believe there is a single piece that exists. It's certainly possible to create a mechanism much smaller than the one shown as well as one with fewer pieces.
In theory a single piece would not ...
4
votes
Accepted
Looking for a way to connect SG90 servo motor to Lego Technic hole in a brick, in order to control Lego train track switch
There are numerous solutions over internet for attaching SG90 servo with LEGO. However I remember this particular video, which fit your need to attach/control Technic beams/liftarms. It also features ...
4
votes
Which is more environment-friendly: LEGO bricks or Mega Bloks?
Something perhaps worth mentioning is that LEGO has announced that they have put $155 million into a new Sustainable Materials Center to develop new materials as an alternative to plastic.
Plastic are ...
4
votes
Are Nanoblocks compatible with other building bricks?
I can attest that Nano bloks (left) are not the same scale as Modulex (right).
4
votes
How To Sort Out 3rd Party Technic Clones From LEGO Originals?
Regarding the Bushings, I think the loss of their gripping/clutching power has less to due with a phantom cloning agent, and more to due with the quality of the official LEGO piece, and how plastic ...
4
votes
LEGO or LEGO-compatible control for SG90 servo?
No, the electrical signal is not compatible. These hobby-type servo motors take a 50Hz signal with a pulse width that varies between 1 and 2 milliseconds.
It could be possible though using MINDSTORMS ...
4
votes
How can I connect a 4mm Stepper motor shaft to a technic gear?
I did find this pattern for a 3-D printer.
https://www.cgtrader.com/free-3d-print-models/hobby-diy/mechanical-parts/6mm-dshaft-to-lego-axis-adapter
4
votes
How can I connect a 4mm Stepper motor shaft to a technic gear?
For 6 mm shaft the hole used to accept LEGO Technic axle is slightly less in diameter than 6 mm. So you may try modifying one end of of Technic connectors (some examples below) to fit the motor shaft ...
3
votes
Accepted
Are there any existing (or upcoming) aftermarket PoweredUp hubs?
BuWizz has announced the BuWizz 3.0 Pro which has Powered Up compatible ports.
The product page says:
Expected Delivery: End of March 2021
3
votes
What are all the third party (unofficial) accessories I can get for an NXT
There's lots of third party SENSORS to attach (see very helpful list from Philo), but I found it hard to find any info on third party MOTORS to connect to EV3. Pretty much only the mindsensors.com ...
3
votes
Who else produces Duplo-sized blocks?
We own Polish Wader's "mini block" set. It is mostly compatible with DUPLO, yet some combinations of "foreign" blocks stick poorly to each other. WADER bricks have octagon studs and their logo ...
3
votes
How is the LEGO plastic different from Megablok plastic?
"Both Lego and MEGA Brands use injection-molded ABS (acrylonitrile butadiene styrene) plastic to manufacture their elements." -by oddTodd Jun 15 '13
TL;DR: Mega Bloks are NOT ABS.
Based on oddTodd's ...
3
votes
What are the best options for building a LEGO RC car?
I would not recommend Power Functions if you are just getting started, as that system is being retired. It sounds like Technic Control+ should meet your needs. A set like the Off-road Buggy (42124) ...
3
votes
Recommendation on how to build a "brick presence detector"?
If you wanted an entirely Lego based solution, Lego Boost has a colour sensor part 6182145 that can detect colour and is, I think, compatible with the EV3 Mindstorms sets controller as well as the ...
3
votes
Accepted
Is it possible to use XBox controller with PoweredUp
And you can do that with a help of third party app called BrickController 2. Smartphone is required as a middle point connecting both hub and controller. There's a YouTube video explaining how it ...
2
votes
What are the best options for building a LEGO RC car?
One possible replacement for the soon to be retiring Power Functions remote is the one included in Remote Controlled Stunt Racer, however this remote appears to be more limited, only offering 2 "...
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