383 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"

Gathering the components
Log from Rat Bristlebot
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...

The ‘Behemoth’: NASA’s 6.6 million pound Crawler/transporter
Hacker page by Steve Taranovich
Figure 1 The Mars Orion Spacecraft will be perched atop the mighty Space Launch System (SLS) that will travel from NASA’s Vehicle Assembly Building to Launch Complex 39B via a massive Crawler-Transporter 2 moving at the speed of a sloth---one mile...

folded medical facial shield, no 3d print required
Details from folded medical facial shield, no 3d print required
I've included A4 and US-letter versions. Completion of this project probably requires either a laser or inkjet printer. I don't intend for this to replace any of the high quality options that are out there, both from the maker community as well as commercial...

Links to similar projects
Log from Electronic wheel truing stand
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...

So it begins
Log from Electric boat/elbåt
[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...

Project Log 1: The good, the bad and the muscle.
Log from DIY Mech/Exoskeleton suit.
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...

Fixing-Together and Refining the Enclosure
Log from Vintage Toy Synthesiser
(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...

Making A Tile Holder Button
Log from MacroPad With Tile Buttons
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...

Version 1 - Fail Quickly
Log from Badminton ACE Shuttle Launcher
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...

High Capacity Optimised Rapid Transport (HCORT)
Details from High Capacity Optimised Rapid Transport (HCORT)
The Central Principles of the HCORT Design are as follows:1. The overall system design must be open source, open design and in the public domain in terms of all guideway definitions. Specifically, the guideway design itself, all interface definitions...

Transcribing old blog entry regarding headset build
Log from Dalek head control
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,...

BLE AI-driven Smartwatch Detecting Sun Damage
Details from BLE AI-driven Smartwatch Detecting Sun Damage
The sun emits energy over a broad spectrum of wavelengths: visible light, infrared radiation generating heat, and UV (ultraviolet) radiation hidden from our senses. Although UV radiation affects our health positively in moderation, such as instigating...

A tachometer for Bigfoot
Log from Bigfoot - Sewing machine motor speed control
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...

Board & Bolt Tripod Platform
Details from Board & Bolt Tripod Platform
Components:Laser cut Acrylic sheet (via ponoko) 1/4-20 Hex Nuts (Home Depot)1/4-20 3" or 4" long bolts (Home Depot)1/4" washers (Home Depot)3/8-16 Hex Nuts (Home Depot)Super Glue (lots of super glue)Step #1: Designing the board.So, I was inspired by...

Reverse engineering the keyboard, part I
Log from Psioπ
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...

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