A message from our CEO about the future of Stack Overflow and Stack Exchange. Read now.

New answers tagged


Official docs: https://lego.github.io/lego-ble-wireless-protocol-docs/ https://github.com/LEGO/lego-ble-wireless-protocol-docs Discussion: https://www.eurobricks.com/forum/index.php?/forums/topic/162288-powered-up-a-tear-down/&page=3 Inofficial modules: NodeJS: https://github.com/nathankellenicki/node-poweredup Python: https://pypi.org/project/...


For mounting, servo tape (strong double sided sticky tape designed for mounting lightweight servos) to a tile works fine in many cases.


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 required parts for this build at 7:48.


From a train point of view those wheels will fit happily within the guides of the bridge, and the connections on the tracks should just about fit as well. I'm fairly sure we bought our bridge when we were staying in a holiday cottage that had a load of the old black track, and it connected to the track successfully, but you may need to work with some curves ...

Top 50 recent answers are included