190 Results for "%EC%9D%B8%EC%B2%9C%EC%98%A4%ED%94%BC%EA%B0%95%EC%B6%94%E2%9C%9Awww%2Coptime4.com%EC%9D%B8%EC%B2%9C%EC%98%A4%ED%94%BC%20%EC%9D%B8%EC%B2%9C%EB%A7%88%EC%82%AC%EC%A7%80%20%E2%9C%9A%20%EC%9D%B8%EC%B2%9C%EC%98%A4%ED%94%BC%E1%98%9B%20%EC%9D%B8%EC%B2%9C%EC%98%A4%ED%94%BC%EC%82%AC%EC%A7%84%E1%98%9B%20%EC%9D%B8%EC%B2%9C%ED%9C%B4%EA%B2%8C%ED%85%94%20%EC%9D%B8%EC%B2%9C%ED%82%A4%EC%8A%A4%EB%B0%A9%20%ED%83%80%EC%9E%84"
small vibrating motors: ~84c each (ebay - $8.36/10)LDRs: ~5c each (ebay $0.99/20)Simple SPDT switches, ~10c each. (ebay $1.86/20)Toothbrushes : ~17c each (dollar store $1.00/6) 2xButton cells: 25c each (dollar store $1.00/4)And creepy crawly to go on...
Pencil - easy and effectiveUsing a pencil and a rubber band you can build a very fast and easy but also very helpful truing stand. Only disadvantage: you might want to clean all the pencil lines off the rim after the truing work is done.Dial Indicator...
[En svensk version finns i slutet av inlägget] Background Two years ago I bought a boat with the hope that someday be able to electrify it. It is a displacement boat of a type called snipa or snäcka which typically has low drag at low...
Saturday, 15:08, 26/11/2022 - This is a bad idea. "Why a human-sized mech, and not a exoskeleton?" Well... Sigh... Because the biggest limiting factor of any exoskeleton/power-armor/exosuit is the squishy meaty "pilot" inside of it. The machine...
(Original post date: 03/04/16)In order to undertake this project I had to completely take-apart the toy piano, unfortunately slightly damaging it in the process due to the way it was originally connected together. As all the electronics for the project...
To make this project work, I needed to create a working button with hall effect sensors that could hold and read a tile. I was able to reuse a single tile holder from the previous project that I had used for testing. Below you can see the two parts...
When designing something new there's always things you didn't know that come out during testing so it's incredibly important to put together a proof of concept to learn as much as you can as quickly as you can. The first version of the launcher was always...
This is the motion control headset I put together for controlling my Dalek dome. It tracks the motion of the wearer’s head around 3 axes, though I only use two for the the Dalek.The basis of the headset is a protective face shield I had lying around,...
Bigfoot needs to know how fast the sewing machine is really running in order to do its job. For that, it monitors the rotation speed of the sewing machine balance wheel (also called the handwheel.) Bigfoot uses a simple photointerrupter...
The first part I'm attacking is the keyboard. The keyboard is the reason I want to build a "modernized" Psion, I really like this form factor! The plan is to convert it to a USB keyboard since that will work with any modern computer, but before I can...
Thursday, 27/07/2023, 10:48. Well, I will just post this here, but I will keep editing later (I can barely edit anymore because I already wrote so much stuff). Just because It would be of great help if someone were to give suggestions....
Hi everyone, welcome to Hack Chat. I'm Dan, I'll be moderating today for Adam Zeloof as we talk all about mechanical engineering. Is @Adam Zeloof logged in yet? Adam Zeloof12:01 PMI'm here! There we go. Hi Adam, welcome to the chat. And welcome to the...
11/04/2023, Thuesday, 18:46 Edit²: I just forgor a little tiny bit nit detail: Only one leg will be working at each step. Meaning that I just need half of the wattage power I calculate for each electric motor (and once standing still,...
2230 J/g. That's about 62 Wh to turn 100 g of water into air moisture to be removed. I have yet to measure how much water typical boots can retain, but this figure may even be on the low end. Let's make it 200 Wh for a pair, something Li-Ion cells are...
Thursday, 08:31, 24/08/2023 Well, morning. By the time that I actually start making the exo/endo-skeleton, it will be buried under 3983932382 project logs. ... But I think this is relevant, because I need to talk about Dielectric Elastomers...