Yet another Lego Mindstorms Useless Machine

Mostly this is a reference for me, so I can make it again if I want! A "Useless Machine" made with my 7 and 10 year old sons to get their minds working by 'designing' with Lego Mindstorms rather than just copying other people's instructions. Developing the hysteresis (over-centre mechanism) for the switching lever was rewarding. Getting the switch module to get hit hard by the mechanism was a good puzzle. Getting the 'finger' (that pushes the lever back) to be the right shape took far longer than strictly necessary (at least five iterations).
The end of the movie is me taking it to pieces in case I want to build it again. I'd hoped that I could reverse the movie to make it look like I was building it, but couldn't figure out how in the end.

Category:

Science & Technology

Tags:

• Useless Machine
• lego
• mindstorms
• hysteresis
• over-center mechanism

[Jcheatgamer17]

how to make pls pls pls

[RhinosoRoss]

@Jcheatgamer17 Sorry dudes, this vidjo is as close as I have time to do - you only need parts that are in the mindstorms set, and reversing the video is how to build it! I'm currently decoding the youtubes that akiyuky keeps adding - part of the fun is figuring out how to do things yourself, sometimes you'll come up with a better way :-) Good luck!

[fabmora38]

Can you put instructions