Servo vs. steppers: Speed, Torque and Accuracy [video](youtube.com)

202 points by f1shy 1 year ago | 71 comments

Building Nikola Tesla's Bladeless Turbine [video](youtube.com)

151 points by xbmcuser 3 years ago | 38 comments

It was almost impossible to make the blue LED [video](youtube.com)

300 points by keepamovin 2 years ago | 156 comments

Linux on a MacBook Pro (M1 Pro): How Good Is Asahi Now?(youtube.com)

126 points by sys_64738 3 years ago | 74 comments

The coolest robot I've ever built [video](youtube.com)

331 points by superasn 3 years ago | 137 comments

A YouTube video by Thomas Burns showing a homemade robot with animatronic eyes and a small CRT screen as its mouth.

FastDoom – Performance Gains on Slow 386 and 486 CPUs(youtube.com)

45 points by bane 2 years ago | 9 comments

I built a drone with only one motor [video](youtube.com)

624 points by hakonjdjohnsen 7 days ago | 139 comments

YouTube video by Joshua Bird showing how he built and flew a drone that uses only a single motor.

Show HN: I made a 3D printed VTOL drone(tsungxu.com)

391 points by tsungxu 1 year ago | 140 comments

A Substack post by Tsung Xu describing a 3D printed VTOL drone with 130-mile range he built in 90 days as a CAD beginner, with an embedded YouTube video.

Show HN: Dobb·E – towards home robots with an open-source platform(dobb-e.com)

360 points by MahiShafiullah 2 years ago | 103 comments

Project page for Dobb·E, an open-source framework for teaching household robots manipulation tasks via imitation learning, with paper, code, and dataset links.

Making Solar Panels with a Microwave [video](youtube.com)

60 points by jackdoe 8 days ago | 8 comments

A 13-minute YouTube video by Dr.Semiconductor demonstrating how to make solar panels using a microwave as part of the fabrication process.

OpenMower – An open source lawn mower(github.com)

532 points by rickcarlino 1 year ago | 166 comments

GitHub repository for OpenMower, an open source project to upgrade cheap robotic lawn mowers into RTK GPS-based smart mowing robots.

CARA – High precision robot dog using rope(aaedmusa.com)

972 points by hakonjdjohnsen 1 year ago | 168 comments

Project page for CARA, a homemade quadruped robot dog using rope-based capstan drives for high precision, with an embedded YouTube video.