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Independent blog posts, ranked by the community. Good stuff bubbles up. The rest pops.

Making ends meet—and writing timeless poetry—in Greenwich Village and Ischia.

I'm making a custom bldc motor to use as the main propulsion for an automated rigg to map the bottom of the sea! For now i'm testing it in my paddle surf, outside the water it seems to be way to powerful! The motor itself is all 3d printed, I'll soon make a post about it! submitted by /u/ArnauAguilar [link] [Kommentare]

Hi everyone, I built a small open-source web simulation of a double pendulum to demonstrate chaotic motion and sensitivity to initial conditions. Repo: https://github.com/mohammadijoo/Double-Pendulum-Chaos-Mechanism The goal is educational: a browser-based demo that lets students or beginners see how a simple mechanical system can produce complex, chaotic behavior. It is written with HTML, CSS, and JavaScript, so it can run without installing a physics engine. I would appreciate feedback on: whether the visualization explains chaotic behavior clearly whether the equations / numerical integration could be improved what parameters or plots would make the simulator more useful for control, robotics, or physics students whether adding energy plots, phase portraits, or Lyapunov-style divergence visualization would be useful I’m sharing it mainly for technical feedback, not as a commercial project. submitted by /u/abolfazl1363 [link] [Kommentare]

Curation of materials for robotics and Artificial Intelligence. Learn as your practice materials. Today we have some extensive knowledge available for building robotics. And there is a roadmap that everyone interested can easily build using the available resources. submitted by /u/dineshmadhava [link] [Kommentare]

Real Steel Fighting .. It says the robot are real autonomous fighting. That means it will be better than real steel movie which is tele operated. submitted by /u/Modulus3360 [link] [Kommentare]

I've always been interested in point clouds and spatial data, so I created my own LiDAR scanner! It runs off of an esp32 and TMC2209s on a custom PCB, which continuously rotate and sweep the LiDAR sensor. I learned a ton creating this project, as this was my first time creating a PCB and using NEMA motors (I have used other motors before). Github repo submitted by /u/thatonebckid [link] [Kommentare]

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General purpose LLM CLI & TUI

The real cost of comparing vendors isn't the price you pay — it's the weekend you lose, the decision you flinch on, and the deal you miss. Here's why DIY research breaks down, and what to do instead.