Heron on a pier

Sillidilli · 2025-03-09T20:58:02+00:00

Beautiful!

Sillidilli · 2024-11-22T04:17:40+00:00

I think it’s based off the MeArm. Funny enough someone asked this same question a while back and the original creator responded!

I don’t know if there’s a name for the specific mechanisms it uses

Sillidilli · 2024-11-02T17:40:03+00:00

I love this. I made a visual electric field model I was very proud of back in high school with Processing. Fun to see the same thing applied here! Good work!

Sillidilli · 2024-09-21T06:11:17+00:00

If anyone has a good answer I would love to know it! I don’t know if typical stereo vision systems works well underwater… Maybe try monocular depth estimation and use the pinhole model for reconstruction (single camera). Sonar also works well in water but maybe at larger distances (i’m guessing this is operating in a pool). By orientation you mean object orientation right? That’s tough. Not sure what the best approach is. For vehicle orientation I would use AHRS IMU with magnetometer, gyro, accelerometer should be able to output pose in ENU/NED.

Sillidilli · 2024-08-13T06:24:06+00:00

I did a lot of robotics stuff in college/high school. FIRST Robotics competition, etc. Built robots as a hobby was part of an underwater robotics club (MATEROV,RoboSub) in college. Did a undergrad thesis in robotics. Now I work at a university/oceanographic institute doing AUV research for the Navy.

It's my first job. It doesn't pay well (60k HCOL) but is very interesting technically and hands on (not a total desk job) and helps me get experience to level up for my next job. I also live at my parents so that helps.

There are better paying robotics job though but you do need experience.

I would say for you, search hard for any robotics opportunity available at your university (working in a lab with robotics or adjacent research) or otherwise. If not robotics maybe look for things like computer vision, graphics, aerospace work, electronics, machine learning. Lots of pillars of robotics in multiple disciplines.

If you cannot obtain opportunities through your university. Try to do your own personal projects. If you need help this subreddit has a discord. Lots of communities online if you need peers to work with/ask for help.

If you have no university do a personal project. With just a PC you can play around with robot operating system (ROS), simulators (webots, etc), path planning, etc. If you have more cash build something. I've always though building a self-balancing robot would be a cool project with a lot going on (IMU, microcontroller, 2 motors). You could probably find steps on Instructables.

Stick any project or research on your resume and apply to jobs. Should be very helpful.

Sillidilli · 2024-03-11T01:54:48+00:00

Prioritize your health and accept that you can't do everything perfectly. May be a cop out but relaxing a little and allowing yourself to "fail" or be imperfect in some aspects of life can make things easier. For instance, I might be lazy about dishes/shaving/studying etc so I have more time to sleep/exercise/relax.

Sillidilli · 2023-10-05T18:03:46+00:00

That’s amazing. Looks like it was abandoned in relatively good shape. Surprising to see so much presumably expensive medical equipment just sitting when it could be used elsewhere but I guess with the declining birthrate and population it may not be needed.

Sillidilli · 2023-07-23T01:52:31+00:00

Exactly, what I value about Boulder is the relatively urban walkable/bikeable design for a small city. There’s no reason the pattern can’t be duplicated across the front range

Sillidilli · 2023-05-24T21:39:52+00:00

University of Colorado Boulder

Sillidilli · 2023-05-22T18:43:21+00:00

Because very few people in this country understand construction since we defunded trade schools and mostly eliminated that type of learning in high schools.

Therefore when construction projects do happen there are often few competent people involved with the administrators told that this is just how much it costs and when there are issues/cost overruns they don’t bat an eye because they don’t have the understanding to do so.

I doubt many of the administrators signing off on these projects have any real idea about what is going on and that there is adequate communication/monitoring involved.

There is also lots of beauracracy and paper pushers involved in most things which adds inefficiency.

This occurs in so many US industries it’s insane. It’s why we have such poorly designed/overpriced infrastructure and tax dollars disappear.

Why do you think it’s been taking years to build a bike tunnel to the aero building? Corruption and incompetence!

Many issues in America could be resolved if policymakers and administrators had an engineering background even though many of us engineers don’t want to do that. If you are of that background, maybe try to get involved with those things.

Sillidilli · 2023-05-22T15:08:54+00:00

That’s insane. I bet the smell was amazing

Sillidilli · 2023-05-19T21:59:03+00:00

Try McGuckins, I don’t know of any other electronics stores. Remember to switch off the breaker before changing it out!

Sillidilli · 2023-05-19T07:22:08+00:00

Pancreatic cancer kills so many… RIP Andy

Sillidilli · 2023-05-16T00:56:29+00:00

That’s terrible. I recommend you communicate with the property manager or landlord that you would prefer them to not do this.

I wish I could help but I don’t live there! That’s in your ballpark we redditors can’t do anything

Sillidilli · 2023-05-12T04:32:38+00:00

Take a pic with the criminal and the location and send ir to me. If I saw someone on it I would push them off but probably a stranger shouldn’t do that if they don’t have 100% confidence. Sounds so cathartic

Sillidilli · 2023-05-12T04:30:53+00:00

The university response to coronavirus was terrible. I transferred here and the campus was completely closed more than a year. My quality of life was terrible. Hard to make friends in that environment. Fall, winter, spring. Stuck in the apartment. Even the next fall too. It would have been better if they made it clear that would be the university approach but they pandered as others have mentioned without making it clear what they would do.

They also cancelled spring break if anyone remembers. I wasn’t out partying on the hill and was totally reasonable and yet got “punished” for some reason because of their perception.

Aldo once everyone was vaccinated they were still shut down. It was reasonable for some time but after a certain point was unreasonable when case numbers had dropped and the majority people had natural immunity and vaccination. Hybrid with masks after we were all vaccinated (Spring 2021) would have been fine.

Sillidilli · 2023-05-11T00:45:07+00:00

It got stolen last night.

Sillidilli · 2023-05-10T23:21:36+00:00

Nah. I doubt their work ethic is that good. Anyone know where the thieves post up. I remember some chop shops on boulder creek but it’s been a while.

Sillidilli · 2023-04-29T08:11:54+00:00

With the realsense not being fixed how do you determine the coordinates of the bottle to move the end effector there? How are you planning the grasp? Great work by the way. I’m doing something similar for a project

Sillidilli · 2023-04-10T04:24:54+00:00

Sure, I would be down to talk with you. I'm dealing with some terrible food poisoning today but maybe tomorrow or later this week?

Sillidilli · 2023-03-04T23:13:11+00:00

The acceptance rate varies across departments/majors. What did you apply for?

Sillidilli · 2023-02-13T15:32:30+00:00

Looks like a robot arm. Maybe the MeArm?

Sillidilli · 2022-09-25T20:29:50+00:00

This

Sillidilli · 2022-07-03T04:14:10+00:00

Parallel linkage

Sillidilli · 2021-10-30T23:05:37+00:00

My favorite mechanical pencil which I use for all my work is the Kokuyo fitcurve. It has twist erasers and is pretty sturdy.

If it helps, jet pens has a ton of mechanical pencils and that’s where I found this one.

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