JopieK

Very nice job @brick-builds! Like a tutorial.

Thanks for the info Frans, potentially very useful.

Nice job indeed! Maybe you could even make it move using strong magnets and making an elevated road and a chain or something under it with a magnet as well.

Well you can have a look at bricklink of course. Welcome to Eurobricks b.t.w. Found it for you: https://store.bricklink.com/TBS?itemID=224778291#/shop?o={"invID":"224778291"} Maybe contact that seller? From a functional perspective this would be a good alternative: https://www.bricklink.com/v2/catalog/catalogitem.page?P=6538b#T=S&C=7&O={"color":7,"rpp":"10","iconly":0} A non-purist option might be to use white parts and e.g. "Rit dyes" or https://www.techniques-chimiques-nouvelles.com/en/dyes-for-plastic-materials/. I don't have any experience but looks like it works well.

But why would you drill those base plates? You'd better use tiles/jumper tiles. I mean (imho) the advantage from LEGO over model railroads is the reusability of all parts. I just read the newest version of "Railhobby", a periodical about model trains and I am always fascinated by them, but the fun thing about LEGO is you can keep reimagining things and realize it as well without the need to throw away virtually anything.

Really nice job @Barduck! It is getting better and better with those rounded parts/slopes!

Very nice, hope you will build it IRL! One suggestion, you might want to use jumpers to offset the most upper building's roof to just add a little more relief.

Chloroform should also work, even though it my be a little tricky to get. I always use 3M face masks (not those for COVID, those for working with chemicals obviously ;)) ad ventilate wel.

Maybe also have a check searching for "https://www.bricklink.com/v2/search.page?q=Pantograph#T=A".

Welcome to Eurobricks @Snazz04. Looks very nice indeed!

Ah, I didn't know that @Tcm0. I should try that legopup_arduino some day. At the moment the chip shortages are a stopper for all hobby projects. I stocked up on microcontrollers but can't afford to 'waist' them even on LEGO projects :s. It is crazy, popular chips like SAMDx1 but also the good old Atmega328 are expected to be available again somewhere in 2023...

After discussion with other staff, we decided it would be best to put it in Community even though it might mostly deal with Trains.

Nice job! Although I think they use it in those animated statues etc. maybe not exactly the same mechanism, but definitely the same kind of motion.

You can also use a knife, but of course you need to be patient and carefully pry under the plate bit by bit (uh, I mean stud by stud). (There was a time before the brick separators...).

Nice job @brick-builds. Can't the module fit in the tank?

Very nice @zante85. Thanks for sharing! You only build during the Christmas season?

Really loved it! Jethro did a really nice job on those MILS base plates. I'm trying to rebuild my city / trains / etc to the MILS standard (have already begun some weeks ago). Might take some time though but really nice indeed.

Really nice indeed, like the waterfall very much. And rest too!

Welcome Dave, enjoy you stay!

Welcome @BananaBrick01. Great to have you at Eurobricks and also a warm welcome to Train Tech of course ;) Tunnel looks somewhat like the Engine Shed!

I would stick with Python for now then. While from a technical perspective C(++) is a better choice for more complicated microcontroller/robotics programs, from an educational standpoint learning Python is much easier. I also use it quite a lot but for data processing etc. Hope this should already work well for you. States are pretty much an optimization (to make the code more flexible etc.). ################################################################################################################################################ # Main code while True: # If an obstacle is detected at less than 20 cm, it changes direction if distance_sensor.wait_for_distance_closer_than(20,'cm') == None: stop_driving() change_direction() else: move_forward()

I don't know for sure if that is actually the issue here, but Python is actually not the best option for Embedded applications. C(++) or otherwise Rust would be a much more reliable choice. Also, after executing the if statement you perform stop_driving() and change_direction() but afterwards you do a move_forward() for a short time. It would be much better to turn it into a state machine or something. A quick solution would be to do the if but add an else and put move_forward() there.

I thought the original was horrible but you made it into a nicely stunning looking train! Very nice!

An Alkaline battery had a voltage of 1.5V when full, rechargeables have (depending on their chemistry) a voltage of around 1.25V (NiMH). So if you have 6 batteries instead of 9V you might have 7.5V and that will effect the power of the motors.

Apparently UART-based, strange decision (NXT/EV3 use i2c), for human readability it is perfect of course.