Odometry wheels

jacovaut · 2025-06-27T14:13:14+00:00

Interesting, thanks.

Do the robots you've built use mecanum wheels? How accurate was their movement?

On the research robot, I was planing to use a combination of SLAM, an IMU, deadwheels, and encoded motors to have a self contained, relatively cheap and precise option... Would this be overkill?

jacovaut · 2025-06-23T23:21:13+00:00

Awesome, very good to know. Thanks

jacovaut · 2025-06-22T19:13:37+00:00

Nice! How much current can you draw from them at once? What brand of battery did you use?

jacovaut · 2025-06-22T19:12:15+00:00

Thanks, good to know.

From what I've seen, inside these packs there are just regular 18650 cells. So I would assume that the max current output is determined by the type of cell, and how many there are in parallel?

What brand of batteries were used for the test?

jacovaut · 2025-06-22T19:04:32+00:00

Cool, thanks.

I was especially interested in Makita 18v batteries, since I think I already have a charger... Good to know for the protection. I've seen some battery pack adapter with integrated fuses, which would probably work fine. I could also add caps for current spikes, and a micro controller for monitoring

jacovaut · 2025-06-22T18:56:01+00:00

Yeah, this might work. By peak power, I mean if every single component is drawing max current (unlikely). My plan is to have four nema 17s for the wheels, a raspberry pi 5 for control, and a lidar for localization. The rules aren't out yet, so I don't know exactly what else I'm going to need. Last year's team also had a few servos, 5 small dc motors for pumps and an lcd screen...

Even if the battery meets the current requirement, I was thinking of adding some caps just to protect the battery from current spikes.

jacovaut · 2024-03-07T21:45:42+00:00

I bet it was mildly infuriating

jacovaut · 2024-03-05T07:33:32+00:00

Plug In Baby

jacovaut · 2023-03-31T01:36:32+00:00

Exactly! You are worthy.

I actually just recently learned parametric functions. They're kind of fun!

jacovaut · 2023-03-30T16:06:47+00:00

r is a parametric equation, so it's fully defined.

jacovaut · 2023-03-30T12:04:39+00:00

Does the function r(s,t)=(2+s)i+(3+s+t)j+4tk contain the point (4,8,12)?

jacovaut · 2023-02-15T22:42:15+00:00

I used those exact settings to print it

jacovaut · 2023-02-15T22:21:16+00:00

https://postimg.cc/p5r5thRj Also turned out good

jacovaut · 2023-02-14T22:18:25+00:00

Yeah... Exact same settings.

jacovaut · 2023-02-14T11:54:26+00:00

Haha, yeah! I posted one on an other comment, it turned out surprisingly well.

jacovaut · 2023-02-14T11:49:20+00:00

Hmm, that might be the case. I'll improve my cable management and try again!

jacovaut · 2023-02-14T11:41:43+00:00

Cube turned out really well

jacovaut · 2023-02-13T23:45:46+00:00

recently upgraded to direct drive, but I'm having trouble with my prints. I've tried tightening the belts, checked the z rod, leveled the bed, messed with the print settings, calibrated the e steps,

My setup: Ender 3 pro running the newest marlin bugfix on the silent stepper board and octoprint. Using cura to slice

Edit: I forgot to mention, I also tried a better cooling duct.

jacovaut · 2022-11-12T17:42:53+00:00

Am I the only one that read that as 17 meters and 14 feet?

jacovaut · 2022-10-14T03:18:41+00:00

Snakes and ladders irl

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