video takes you through the process from start to finish, including all of the components you'll need to make your own: the mixing bowls, the fan motor, the propane torch, and of course, the sugar.
set of 50+ industrial machines that are required to build and maintain a small, sustainable civilization. The open source aspect covers designs, instructions, schematics, budgets — everything anyone needs to know to build their own machines.
four-channel GPS receiver using a repurposed FPGA board from a previous frequency synthesizer project. Connected to a PC running a console app, the receiver is capable of tracking four satellites simultaneously, which is good enough to capture lat, long, and altitude.
basically the Flash Nap project with a few extra features and some work. It's also a minimal version of "Light/Sound" hypnosis machines that cost hundreds of dollars, but if you have parts, this one will cost just a couple of bucks. NO PROGRAMMING REQUIRE
every game starts out as the handmade creation of the inventor, which eventually becomes a standardized and mass produced product; but sometimes the commercial versions of games are not available, too expensive, or just not nice enough
people, out of an overabundance of creativity or just a love of the game (or hate of the publishers components), make homemade versions of the game with exceptionally good components.
Nice little guide to building an IR transceiver - uses the USB port for stable 5V, but includes a link in the comments to a decent circuit diagram that uses a voltage regulator and therefore doesn't need the USB port for power.
fairly simple DTMF decoder to control solenoid door unlocker and connected it to phone (in this case a cell phone). NOTE:CALLERID would save the phonecall as commented on the article
is short for Replicating Rapid-prototyper. It is a practical self-copying. Complete open-source instructions and plans are published on this website for zero cost and available to everyone so, if you want to make one yourself
MIT professor Neil Gershenfeld talks about his Fab Lab -- a low-cost lab that lets people build things they need using digital and analog tools. It's a simple idea with powerful results:
a small device which plugs into a $20 prepaid mobile phone to make a GPS tracker. The Tracker responds to text message commands, detects motion, and sends you its exact position, ready for Google Maps or your mapping software
So how to combat with all those difficulties and save your time on these cleaning tasks? Do It Yourself.com has some (well over 150) tips, tricks and how-to on cleaning stains, items and rooms.
Weekend Project Podcast: Make simple radios to listen too. These were made with materials that they could get their hands on and were small enough to carry around in a big pocket.
If your own water is safe from heavy metals, but you still like the way water tastes when it's been through something like a Britta filter, there's an easy way to convert the filter to be reusable, saving a ton of waste and a bit of money.