I saw this last month in Popular Science, but it wasn’t online for a while. This (nearly) all-in-one brewery was built by [John Carnett]. It does everything but requires malt extract for now. It boils wort, cools it for fermenting, delivers the brew to the kegs and most interestingly to me – uses cold plate cooling to cool the beer just before it exits the tap. I’m pretty sure they’re using peltier junctions, but I’d like to know for sure. Props to [Nate] for inadvertently reminding me of the thing when he sent in this effort to brew beer inside a pumpkin!
Misc Hacks4177 Articles
Electromagnetic Aluminum Can Crushing
This has been around for a while, but we never covered it – and it’s friggin’ awesome. [jesse] sent in this crusher, but I featured this one due to a sort of draconian copyright notice on the former. The latter also uses some easier to find, hackable parts. They’re both built on similar concepts – use a large bank of capacitors to store up the energy needed, and deliver it in one large pulse to a coil electromagnet. The resulting force lasts for a short time, but is enough to physically crush an aluminum can inward without touching it. Yet another one has some more dramatic examples of crushed cans.
Hooptyrides, Inc. Open House
We didn’t even pause for a second when offered a chance to tour Mr. Jalopy’s studio. Even if it meant a 600 mile roundtrip, we’d be there. You’ll probably recognize Mr. Jalopy as the author of Hoopty Rides and as a frequent Make Magazine contributor know for his giant iPod and guerilla projector. Dorkbot SoCal organized a studio tour so that fellow hackers could pick up some of the Hoopty Rides secret sauce.
DIY Coil Winding Machine
This will probably be more useful to custom speaker builders, but coil winding has always been a bit tedious. [iwicom] put together a simple coil winder using a hand drill, a magnet, a reed switch that triggers a pedometer. Aside from the coil winder, I love the idea of using the pedometer as a cheap event counter.
Computer Controlled Lawn Defender
I found this thanks to [Mark
Nobel Prize Hard Drive Hacking Roundup
Ironically, high end gear is moving toward solid state hard drives, but I think it’s time for a hard drive hacking roundup in honor of the Nobel prize for physics being awarded for the technology behind todays magnetic hard drives.
We recently saw this awesome hard drive clock – which uses the actual drive hardware to show the time. Then there’s the now classic hard drive window – the trick is to create a clean room/box so you can swap out the cover. Let’s not forget the hard drive oscilloscope – made from a laser mounted on the oscillating drive arm. Sometimes drives die, so a bit of resurrection may be in order. Locked out? Maybe you should built a lock-picking gun from a junk drive. Some people just like to hide the things.
Joule Thief LED Driver
[Bird603568] sent in this sweet little LED hack that’ll drive a white LED from just 1.5 volts. The circuit consists of a pair of coils wound on a ferrite core, a resistor and a NPN transistor. He notes that the circuit still functions even at .35v. The version pictured is even small enough to fit inside a normal flashlight bulb base.
