Useless Lever
Useless Lever
A lever that flips itself back into place when flipped by a user
Mario
This is a box that has a lever built out of LEGO on the outside. When the lever is pulled from one side to the other, the distance sensor is able to detect it. When the distance sensor detects the change, a servo motor flips the lever back into place. The robot also tracks how many times the lever has been flipped and how long it was being flipped for, and broadcasts those numbers through the speaker at the press of a button.
this is really cool. i like how it keeps track of everything, and I like fidgeting too
Thank you!
I really like this. It reminds of the cat version of this with a bunch of the leavers.
I had some family members mention that the robot behaved like a cat, which I thought was pretty funny.
I thought this was a great project. It seems like you gave the robot a personality which I thought was cool.
I wanted the robot to feel like it had a real personality, so I’m glad that worked out.
Really awesome idea! I love the way that you got the servo to turn the lever back without connecting them. Great job and I can really see this being useful to some people. Definitely not useless.
The servo was a bit tricky to get perfect, because if I put the angle too large it would snap off, but I’m glad that I was able to get it working exactly as I wanted to in the end.
I like how you took the time to put the robot in a box. It makes it much harder to decipher what is actually responsible for pushing the arm back. I also really like the readout at the end with the stats about how you played with it.
Putting the robot inside of the box was one of my priorities with the robot, because it feels like something inside of the box is playing around with the lever, and not that it’s just a robot that’s planned to react like that.
I liked the design of the lever and how the robot aggressively pushes it back. It looks fairly clean and professional with the box concealing the robot

–Ian
Yeah, I thought it was funny how the robot aggressively wacks the lever back into place.
I really like this, especially the voiceover afterwards that really completes it.
Thanks!
i thought of making a useless lever as well, but i am glad that you did! those things are a lot of fun to play with! it would be cool to add some “personality” to the robot, such as giving it different ways to react to the lever being pushed
If I were to keep working on it, that would definitely be the first thing I would add. I think the feeling of the box having a personality is what makes it fun.
This is hilarious, and really well executed. Nice job!
Thank you!
Very cool, just like the ones I see on youtube, very creative twist with the GoPiGo. Great job!
Thanks!
Once again, amazing job on tackling the whole design process for this bot! Not only did you make a good cover for the bot, you also focused on securing the levers and creating a consistent, steady, and structurally sound device. Like you said when you chose this project, it may be simple, but you put so much work into it to perfect it and explored so many ways to expand upon it. Great job Mario! I hope you use what you’ve learned in EDL to create more projects!
Thanks again, Jessica!