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1:00
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Hack a Day
Anyone who is from a background in which cheesemaking is a feature will tell you that it is an exact science in which small differences in parameters can make a huge difference in the resulting cheese, to the extent that entire batches can be rendered inedible. In particular the temperature at which the milk is held can be crucial to the production of individual styles of cheese. A friend of [William Dudley]’s had this problem, as a dairy farmer and artisinal cheesemaker they had to carefully control their vat with a set of profiles depending upon the recipe in use. This was achieved using an Arduino Mega 2650 and a thermocouple to control the heat source for the hot water in the outer wall of the vat.
A cheap K-type thermocouple amplifier proved unsatisfactory, so a Sparkfun item was substituted. A relay, Ethernet adaptor, and LCD display provided power control, access to a web interface, and user feedback respectively. Four buttons to select programs were added, and the whole was neatly boxed up to survive the dairy and put to work. In tests with a saucepan it was configured as a PID controller, but the real vat proved to have a much greater thermal inertia so a simpler bang-bang home thermostat style approach was used. Temperatures are logged in an eeprom for later retrieval via the web interface.
We don’t see the cheeses produced, but we’re sure they must be worth the effort. Blessed may be the cheesemakers, but doubly blessed are they who have a little help from an Arduino.
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19:00
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Hack a Day
“If you wish to make an apple pie from scratch, you must first invent the universe.” [Carl Sagan]. If you wish to make preserved lemons the same way as [Uri Tuchman], you have to start with that mentality. Video also below. The recipe for [Uri]’s preserved lemons involves two ingredients see sea salt, and sliced lemons, but we don’t expect you came here looking for a recipe and the food is less important than the journey.
Recipes take for granted that we have all the necessary utensils on hand, but what if you are missing one? What if you are missing all of them? Life’s lemons won’t get the best of us, and if we’re utensil-poor and tool-rich we will make those lemons regret trying to take a bite out of us. The first fixture for cutting lemons is a cutting board, then a knife, and finally an airtight container. We see him make all of them from stock material by hand. Does that seem like a lot of work? You forgot that if you’re going to eat up, you’ll need a serving platter and fork. If he ever opens a restaurant, don’t expect it to be fast food.
Maybe humans will only need one tool in the kitchen someday but at least one cat receives food from a single silicone-brained tool.
Thank you [Rashi Abramson], for the tip.
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16:00
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Hack a Day
While we’re certainly not denying that smoke detectors are useful, there’s a certain kind of tragedy to the fact that most of them will never realize their true purpose of detecting smoke, and alerting us to a dangerous fire. On the other hand, [Ben] really unlocks the potential hidden deep in every smoke detector with his latest project which uses the smoke-detecting parts of a smoke detector to turn on the exhaust fan over his stove.
The project didn’t start with the noble aim of realizing the hidden and underutilized quiescent nature of a smoke alarm, though. He wanted his range exhaust fan to turn on automatically when it was needed during his (and his family’s) cooking activities. The particular range has four speeds so he wired up four relays to each of the switches in the range and programmed a Particle Photon to turn them on based on readings from an MQ-2 gas-detecting sensor.
The sensor didn’t work as well as he had hoped. It was overly sensitive to some gasses like LPG which would turn the range on full blast any time he used his cooking spray. Meanwhile, it would drift and not work properly during normal cooking. He tried disabling it and using only a temperature sensor, which didn’t work well either. Finally, he got the idea to tear apart a smoke detector and use its sensor’s analog output to inform the microcontroller of the current need for an exhaust fan. Now that that’s done, [Ben] might want to add some additional safety features to his stovetop too.
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19:01
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Hack a Day
Instant ramen, the favoured repast of the impecunious would-be tech genius! It’s cheap, of dubious nutritional value, and it only takes a minute to cook. But what if you are in the creative Zone to the extent that five minutes to boil water is too much? For that you need an automatic ramen cooker, which is what [Mayermakes] has created from an upcycled electric filter coffee maker.
A filter coffee maker is a surprisingly effective instant ramen cooker without modification, in that it already contains a hotplate and water boiler to dribble hot water on some noodles. But it lacks any means of adding the seasoning or the essential hot sauce, so he created a 3D-printed rotating hopper driven by a stepper motor, and a servo driven syringe, while coffee maker itself is given a solid state relay to switch it on.
Controlling the show is an Arduino MKR board, which serves up a web interface with the option of ramen as it comes, or ramen with hot sauce. The result is an automated pot of $0.49 noodles that will set no gourmet’s heart a-flutter. Then again, fine dining is not why instant ramen exists.
This appears to be our first ramen-cooking coffee pot, but we have seen a guitar made from noodles!
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7:00
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Hack a Day
Baking is a wonderful pastime, as much an art as a science. [Alex] pursues the craft with plenty of vigor, and had built his very own dough sheeter to assist in his work. Unfortunately, the design had several flaws, and came out of a recent move rather the worse for wear. Growing tired of having to deal with dough of inconsistent thickness, he went back to the drawing board to whip up a new version (Youtube link, embedded below).
The new model improves significantly over the predecessor, by directly addressing the engineering pitfalls of the first design.
The core of the machine is a moving platform combined with a rolling pin, that can be set to a desired height to roll the dough into a set thickness. This is key to baking top-notch croissants, which [Alex] takes very seriously. His initial model used a table leg for a rolling pin, fitted with a threaded rod down the centre. This had significant issues with both runout, and uneven diameter across its length. Additionally, its frame had not held up after a recent move, and [Alex] was keen to start again.
The new model starts with attention paid to the basic engineering issues. The table leg is replaced with a professional-grade rolling pin, fitted with 3D-printed gears that accurately align the axis of rotation to the centre of the pin. A rack and pinion drive is also added to move the dough platform. Finally, a locking pin system is used to set the desired height of the dough.
It’s a useful project for the keen baker, and one that leans heavily on additive manufacturing methods. Producing such a tool in the years before 3D printers would have required significant effort to produce the required gears and mating components, so it’s impressive to see how easily something like this can come together these days. A hacker mindset can always be handy for baking – don’t forget, you can improve your bread crusts with steam! Video after the break.
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10:01
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Hack a Day
One of the more disappointing news stories of 2019 was the fire at the Notre Dame cathedral. Widely considered a building of great historical importance and architectural merit, it was heavily damaged and will take significant time and resources to repair. Fundamentally though, if you’re reading this, that’s probably someone else’s job. Instead, why not just build your own Notre Dame out of gingerbread at home? [Scott Hasse] did just that.
The stained glass windows are the real party piece of the build.
The project began by using an existing papercraft model. This had to be heavily modified to account for the thickness of gingerbread and the fact that it can’t easily be folded around corners. The modified geometry was then lasercut at the Sector 67 hackerspace, as they’re experienced with the material.
With parts cut out, royal frosting was used as a mortar to help stick parts together during assembly. Significant development time was also spent in perfecting the stained glass windows, made from colored sugar. After much experimentation, a process involving melting the sugar on silicone sheets proved to be most successful. To complete the look, a series of RGB LEDs were also installed during the construction process.
The final results are nothing short of stunning. The build is instantly recognisable as the famous French cathedral, and the back-lit stained glass is absolutely breathtaking. We wouldn’t want to be going up against [Scott]’s family at the county fair baking contest, that’s for sure!
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8:00
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Hack a Day
What exactly qualifies as comfort food is very much in the palate of the comfortee. Grilled cheese may not work for everyone under every circumstance, but we’ll risk a bet that the gooey delicacy is pretty close to universal, especially when you’re under the weather.
But if you’re too sick to grill up your own and don’t have anyone to do it for you, this grilled cheese sandwich-making robot might be the perfect kitchen accessory. Dubbed “The Cheeseborg” and built as a semester project by [Taylor Tabb], [Mitchell Riek], and [Evan Hill] at Carnegie-Mellon University, the bot takes a few …read more
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22:00
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Hack a Day
Breakfast is a meal fraught with paradoxes. It’s important to start the day with a hearty meal full of energy and nutrition, but it’s also difficult to cook when you’re still bleary-eyed and half asleep. As with many problems in life, automation is the answer. [James Bruton] has the rig that will boil your egg and get your day off to a good start.
The basic apparatus uses a thermostatically controlled hotplate to heat a pot of water. [James] then employs an encoder-controlled linear actuator from a previous project to raise and lower a mesh colander into the pot, carrying …read more
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10:00
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Hack a Day
Gas cooktops have several benefits, being able to deliver heat near-instantly, while also being highly responsive when changing temperature. However, there are risks involved with both open flames and the potential of leaving the gas on with the burner unlit. After a couple of close calls, [Bob] developed a simple solution to this safety issue.
Most commercial products in this space work by detecting the heat from the cooktop, however this does not help in the case of an unlit burner being left on. [Bob]’s solution was to develop a small round PCB that sits behind the oven knobs. Magnets …read more
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1:00
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Hack a Day
You just can’t please some people. Take a 3D-printer disguised as a condiment dispenser to a public event and next thing you know people actually expect you to build a 3D-condiment dispenser for the next time. How can you help but oblige?
We have to admit to more than a little alarm when [ShaneR] sent us this tip, as on first reading it seemed to endorse the culinary sin of putting ketchup on barbecue. But then we watched the video below and realized this dispenser is only applying ketchup and mustard to hot dogs, and while some purists would quibble …read more
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11:30
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Hack a Day
Perhaps your taste for pizza has never taken you beyond your local fast-food chain or a frozen pizza from the supermarket, but there are some people for whom only the most authentic will do. A wood-fired clay oven and nothing less is their pre-requisite, and lesser methods of pizza preparation simply aren’t good enough.
[Jan] is one of these pizza perfectionists, and his wood-fired oven is an interesting one because it eschews the traditional dome for a cylinder. His very detailed write-up gives us an interesting insight into its construction. He’s taken the bottom half of an oil drum as …read more
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4:00
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Hack a Day
It’s probably always going to be easier to just find some dry wood and make a cooking fire, but if you’re ever in a real bind and just happen to have a bunch of magnets and a treadmill motor, this DIY induction cooktop could be your key to a hot breakfast.
For those not familiar with them, induction cooktops are a real thing. The idea stretches all the way back to the turn of the last century, and involves using a strong magnetic field to induce eddy currents in the metal of a cooking vessel. As [K&J Magnetics] explains, the …read more
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7:01
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Hack a Day
The future is upon us and the robots will soon take over. Automated cars will put Uber drivers and cabbies alike out of work. Low-wage workers, like the people working behind the counter at McDonalds, will be replaced by burger-flipping robots. The entire operation of Spacely Space Sprockets, Inc. is run by a single man, pressing a single button, for four hours a day. This cartoon future is so fully automated that most people are unemployed, and all productive work is done by robots.
The first jobs to be replaced will be the first jobs teenagers get. These are low …read more
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1:00
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Hack a Day
If you search the web, you will learn that humans began to cook their food with fire a long time ago. Indeed, you might expect that there would be nothing new in the world of flame-based cookery. Fortunately [Bongodrummer] didn’t get that particular memo, because he’s created a rather unusual rocket stove griddle that is capable of cooking a significant quantity of food.
A rocket stove is designed to achieve as efficient use of energy as possible by achieving the most complete burn of high surface area fuel. It features a small combustion area and a chimney with supplementary air …read more
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19:01
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Hack a Day
Seltzer water – that bubbly, carbonated water that disappoints sugar-craving children everywhere – has experienced a steady rise in popularity over the past few years. This is perhaps partly fueled by the availability of countertop carbonators such as the SodaStream.
Not satisfied with the tedious and pedestrian process of manually carbonating individual bottles of water, [piyoman] has instead built a tidy little tap of unlimited cold, filtered seltzer. It’s no easy gag. The build uses a commercial carbonator pump, reverse osmosis water filter, bulk tank, and a standard CO2 cylinder to create a constant source of carbonated water. Most of …read more
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19:01
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Hack a Day
Coffee is the lifeblood of hackers, IT workers, and apparently, IT workers who are also hackers. [Omerfarukz] is clearly the latter. He works as part of a large team spread over multiple floors, all with coffee machines, any one of which is fair game. The problem is knowing which one has coffee that is ready to pour. He needed a non-invasive way to monitor the coffee machines.
After contemplating a few solutions, he opted for one which wouldn’t offend the coffee gods. The machines use a high current to produce their heat, so he adapted some old remote control power …read more
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19:00
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Hack a Day
You step out of the audience onto a stage, and a hypnotist hands you a potato chip. The chip is salty and crunchy and you are convinced the chip is genuine. Now, replace the ordinary potato chip with a low-sodium version and replace the hypnotist with an Arduino. [Nimesha Ranasinghe] at the University of Maine’s Multisensory Interactive Media Lab wants to trick people into eating food with less salt by telling our tongues that we taste more salt than the recipe calls for with the help of electrical pulses controlled by everyone’s (least) favorite microcontroller.
Eating Cheetos with chopsticks is …read more
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1:01
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Hack a Day
Ah, the age-old question: at what temperature does one’s tea need to be for maximum enjoyment? It’s subjective, of course, but subjective in a way that makes everyone else’s opinion demonstrably wrong. What’s worse, the window of opportunity for optimum tea temperature is extremely narrow. What’s a tea drinker to do?
Throw a little technology at the problem, of course, in the form of this Internet of Tea smart coaster. Through careful experimentation, [Benjojo] determined the temperature of his favorite mug when the tea within was just right for drinking and designed a coaster to alert him to that fact. …read more
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22:00
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Hack a Day
There are those who reckon the humble bowl of breakfast cereal to be the height of culinary achievement. Look askance if you must, but cereal junkies are a thing, and they have a point. The magic comes not from just filling a bowl and adding a splash of milk, but by knowing which cereals to mix together.
Who needs all that fussy mixing, though, when you can automate and customize your cereal dispensing chores? That’s the approach [Kevin Obermann] and [Adrian Bernhart] took with their Cereal Dispensing Machine, even if they went a little further than necessary. Laser-cut plywood forms …read more
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22:00
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Hack a Day
Those of you who’ve never had a real sourdough have never had real bread. Good food fights back a little when you eat it, and a proper sourdough, with its crispy crust and tangy center, certainly fits the bill. Sourdough aficionados, your humble writer included, all have recipes that we pretend are ancient family secrets while in reality we’re all just guessing. Sourdough is partly science, partly art, but mostly delicious black magic.
In an effort to demystify his sourdough process, [Justin Lam] has gone digital with this image processing sourdough starter monitor. Sourdough breads are leavened not by the …read more
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13:00
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Hack a Day
[Rulof Maker] is a master at making things from salvaged parts, and being an Italian lover of espresso coffee, this time he’s made an espresso machine. The parts in question are a piston and cylinder from an old motorbike, believe it or not, and parts from an IKEA lamp.
Why the piston and cylinder? For those not familiar with espresso machines, they work by forcing pressurized, almost boiling water through ground coffee. He therefore puts the water in the piston cylinder, and levers the piston down onto it, forcing the water out the bottom of the cylinder and through the …read more
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19:00
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Hack a Day
For those of us who grow up around natural swimming holes, algae are the reason we have to wash after taking a dip. Swimmer’s itch* or just being covered in green goop is not an attractive way to spend an afternoon. Lumping all algae together is not fair, some of it is nasty but some of it is delicious and humans have been eating it for generations.
If you are thinking that cases of algae cuisine are not widespread and that algae does not sound appealing, you are not alone. It is a tough sell, like convincing someone to try …read more
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8:00
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Hack a Day
Just in case you thought your eyes were playing tricks on you, we’d like to confirm right from the start that what you are looking at is a loaf of bread with internal LED lighting. Why has this bread been internally lit? We can’t really say. But what we can do is pass on the fascinating process that took an unremarkable piece of stale bread and turned it into an exceptional piece of stale bread.
As demonstrated by [The Maker Monster], working with stale bread is basically like working with wood. Wood that you can dip in soup, granted, but …read more
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7:01
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Hack a Day
Has the food in your pantry turned? Sometimes it’s the sickening smell of rot that tells you there’s something amiss. But is there a way to catch this before it makes life unpleasant? If only there were machines that could smell spoiled food before it stinks up the whole place.
In early May, I was lucky enough to attend the fourth FabLab Asia Network Conference (Fan4). The theme of their event this year was ‘Co-Create a Better World’. One of the major features of the conference was that there were a number of projects featured, often from rural areas, that …read more
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13:01
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Hack a Day
We will be the first to admit, we like to use Git for a lot of things that are probably off the beaten path. But now thanks to [hendricius] you can find out how to make your own bread on GitHub. Let’s get one thing straight. This isn’t the breadmaker fad from a while back, although we are surprised we don’t see more hacked together breadmakers with Internet connectivity. This is old-fashioned bread baking with a bowl, some ingredients, and an oven or another heat source.
You might think this is just using Git as a repository for recipes, but …read more
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11:01
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Hack a Day
[Dino's] kitchen skills match his hardware hacking prowess. Look really close at the image above and you’ll realize this collection of transistors and passive components is edible. Rather than decorating cookies for the holidays he built this audio amplifier from gingerbread, icing, and candy. The thing is, [Dino] almost always has that extra touch to [...]
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14:01
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Hack a Day
Members of Sector67 tried their hands at laser cut gingerbread houses. The Madison, Wisconsin based hackerspace is using the tabbed box method of assembly for the corners of the structure. They’ve also put up a bunch of information about laser settings and published the recipe used to mix up a sheet of gingerbread. This quite [...]
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9:03
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Hack a Day
[Dmitry Narkevich] likes a strong cup of tea and his method of getting there is to oscillate the tea bag as it steeps. But why take the time to do this when you can make an Arduino brew your tea for you. As you can see, he rigged up a system to move the tea [...]
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9:31
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Hack a Day
This is one of those ideas that’s so simple we can’t believe we haven’t heard of it before now. [Johan von Konow] is upping his holiday decorating game this year by designing his Gingerbread House in CAD and cutting it out on a laser cutter. If designed well this will easily allow you to increase the [...]
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7:18
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Hack a Day
In 1982, Van Halen had the biggest stage show around. Their rider – a document going over the requirements for the show – reflects this. In the middle of the requirements for the lighting and sound rigs, Van Halen placed a rather odd request; one (1) bowl of M&M, (ABSOLUTELY NO BROWN ONES). The theory being [...]
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9:40
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Hack a Day
A couple of beverage containers and a little bit of fuel additive bring together this aluminum can stove project. When lit it shoots flames out each of those holes around the top to heat the vessel resting upon it. [Peter Geiger] calls it the Red-Bullet because one of the stove pieces started as a Red [...]
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12:01
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Hack a Day
[Matt] wanted to have more control over his meat smoker so he built this advanced PID smoker controller. It uses the solid state relay seen in the bottom-right of this image to switch the smoker’s heating element. But all of the other goodies that are included add several features not usually found in these builds. [...]
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14:01
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Hack a Day
Grab that old satellite dish out of the dark corner of you garage and get those hot dogs ready. [Share alike license] is going to show us how to turn the dish into a solar cooker. Harnessing the sun’s power requires a reflective surface. Although the image above makes it look like a mirror finish, [...]
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14:01
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Hack a Day
[Tom] managed to build a geeky, quirky digital timer for the kitchen. Where most would have used a few seven segment displays along with some buttons and called it done, he found a way to make it a lot more fun. The plush addition on top is a yellow ducky with an orange beak. When [...]
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7:54
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Hack a Day
[Colin Furze] is just showing off in this picture. His pulse jet tea kettle is built well enough to get by without help from a blow torch, but who can blame his showmanship? In fact, once it’s running there’s no flame to be seen. That’s because the combustion happens at an earlier stage of that [...]
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5:00
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Hack a Day
Popcorn Indiana, the same company that manufactures the bags of kettle corn you might find in a convenience store, posted a project on their website called The Popinator. It’s a device you fill with popcorn, turn on, and responds to the word, ‘pop’ by firing a piece of popcorn into your mouth. Details on this build are scant, [...]
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15:01
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Hack a Day
Bringing that smoky goodness to your cooking is neither hard, nor is it expensive. [Alton Brown], who we consider to be the MacGyver of cooking, always seems to be able to build cooking contraptions from common items. The smoker he built from a flower pot was the inspiration for [Tom's] own project. But [Tom] added in [...]
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4:01
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Hack a Day
As with Jabba the Hutt we’d like to have our own service droid to serve up a cold one. We’re in luck; it looks like you can make your very own beverage dispensing droid if you don’t mind a little awkward dispensation. The body started as one of those big protein drink mix containers. After [...]
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4:01
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Hack a Day
Your morning routine doesn’t include enough old-school gaming. Break the caffeine habit and get your Mario on at the same time with the help of the Super Nincoffee Jr. [Luigifreakout123] shares the details of the build in the video clip after the break. He starts by revealing that this is the second version he’s made. The first [...]
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14:01
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Hack a Day
[Rxdtxd] has tried his hand at roasting coffee beans in a frying pan. It works but he can only roast small batches at once. What he really needed was a large-scale roaster that would have no problem with a few pounds of the green beans all at once. He ended up building this large-scale coffee [...]
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10:05
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Hack a Day
A backyard vegetable garden can be a hit-or-miss game. You’re really not sure if your crops are getting enough sun, shade, or water until it’s time for harvest and you see the results of a season of hard work. Growerbot, a hardware project by [Luke] that’s up on Kickstarter now, hopes to change that. This [...]
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15:01
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Hack a Day
[Sage Spate] wasn’t happy with the boring flavors of orange, blue, or red sports drinks. He decided to mix it up by building this flavor-mixing drink dispenser. He modified the caps for each bottle to work with an air-pressure system. This way the bottles themselves serve as the reservoir and can easily be replaced when [...]
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15:07
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Hack a Day
The problem with most solar ovens is that they’re flimsy builds that will stand up to only a handful of uses. But this one stands apart from that stereotype. It’s big, sturdy, and used a lot of math to efficiently gather the sun’s energy when cooking food. This is the third version of the build [...]
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6:01
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Hack a Day
[Jerry Pommer] and his wife have relied on a percolating coffee pot for years. We have fond memories of camping trips with these things; they make great coffee which tastes even better on a cold morning in the back woods. But a recent package from the stork means that they no longer have time to [...]
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12:01
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Hack a Day
While at Maker Faire K.C. this year, I was sure to take my family to a spot we tend to visit every time we are near: Fritz’s. Fritz’s is a restaurant with an interesting food delivery method. The food itself is your standard faire of burgers and fries, however the railroad theme comes into play [...]
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13:01
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Hack a Day
It’s not often we see a build that turns you into a better cook without any electronics whatsoever. [Chris]‘s method of baking better bread with steam is one of those builds, and we’re more than willing to test it out on our own. If you’ve ever tried to bake bread at home, you’ll quickly notice the [...]
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15:01
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Hack a Day
The staff of Instructables know how to cut loose and cool off in this already-too-hot summer. They’re making their own popsicles out of cocktails. If only everyone were lucky enough to have employers who endorse these kinds of projects at work. So the problem here is the the freezing point of liquor. Your margarita, daiquiri, [...]
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9:00
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Hack a Day
Water takes a lot of energy to heat up. If you’d like evidence of this, simply jump into a 50° F swimming pool on Memorial Day. Despite the difficulty of heating water, that simple act accounts for a lot of industrial processes. From cooking a steak to running a nuclear reactor, there isn’t much that [...]
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15:03
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Hack a Day
[Andrew] wanted to do something special for his wedding. Since he and his fiance [Missy] decided on a cupcake wedding cake, [Andrew] decided to wow his guests with an RGB LED cupcake holder. The tiers of [Andrew] and [Missy]‘s cupcake holder are made of acrylic laser etched with a damask pattern. These tiers are supported [...]
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12:01
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Hack a Day
We think in might be absurdly vain, but wouldn’t it be fun to give everyone in your family a chocolate modeled after your mug this holiday season? [Eok.gnah] has already worked out a system to make this possible. It consists of three parts: scanning your head and building a 3D model from it, using that model to [...]
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14:01
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Hack a Day
Here are the contronl modules for a sous-vide project over at Nerdkits. [Humberto] and crew continue doing a great job of focusing a project on one goal, then explaining the steps needed to get there. In this case they wanted to build their own sous-vide appliance that was cheap, and didn’t really require the user [...]
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15:15
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Hack a Day
Spring is in the air, and with that comes savory meals cooked over the course of dozens of hours. While preparing for your yearly allotment of pork and beef, check out [Brett Beauregard]‘s custom heater elements he built for a DIY wood smoker. This build follows the very successful smoker [Brett] built last year. This year, [...]
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11:01
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Hack a Day
[Justin] didn’t want to keep checking if the ‘oven heating’ indicator light had gone off before popping his unbaked edibles into the oven. Many models offer a buzzer to let you know when the chosen temp is reached, but for folks who own a basic oven model there’s just a light that tells when the [...]
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5:01
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Hack a Day
[Alan] was unimpressed by the cheap ticking egg timers that grace many of our kitchens. He decided this was an execllent opportunity to ply his skills with microcontrollers. He built this kitchen timer complete with an enclosure and audible alarm. The device is Arduino based, which makes driving the graphic LCD quite easy thanks the [...]
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5:01
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Hack a Day
[Joel] of [Helion Microsystems] is at it again with his USB controlled solder reflow oven. You may remember him from his crazy twitter-enabled Ewok model. Although these two projects are quite different, they both use the HU-320 USB breakout board that he’s in the process of getting funding for via [Pozible], or Australian Kickstarter for [...]
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14:24
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Hack a Day
Whether you take it as a single shot or a double, a great Barista want’s to know the details on what’s happening with the espresso machine. [Tobi] was happily generating the morning cup when he realized that the needle-thermometer on his machine wasn’t working any longer. Instead of shelling out a lot of money for [...]
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9:01
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Hack a Day
[Rob Spanton’s] house is equipped with a rather cheap oven, which was discovered while his roommate tried using it to bake part of a wedding cake. If someone took a shower during the baking process, a large portion of unit’s gas pressure was diverted to the boiler, causing the oven to shut off completely. This [...]
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13:01
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Hack a Day
Grab some scrap metal and a microwave oven and you’ll be casting your own metal parts in no time. [Mikeasaurus], who is known for doing strange things like making Silly Putty magnetic or building his own spray paint bottles, doesn’t disappoint this time around. He read about microwave smelting in Popular Science and is giving it a [...]
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12:13
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Hack a Day
Some think that grinding the beans and filling the coffee maker is part of the coffee-drinking ritual, but [Jamie] isn’t one of them. Instead, he’s been working to make this coffeemaker a web-enabled device. He built it as part of a class project, and has implemented most of what you need to make a cup [...]
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10:01
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Hack a Day
The heat sensor in [Cameron]‘s espresso machine doesn’t work very well. He sees some pretty crazy variations in temperature when pulling an espresso shot, and when the boiler is just sitting there the heater element will heat the water full-bore then shut off for a while. Since this is a pretty low bar from a [...]
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7:01
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Hack a Day
[Matt] noticed an overabundance of sous vide builds in the past week, so he decided to throw his Home made meat smoker into the ring. There’s not many things more delicious than a nice cut of smoked meat, and the fact that it’s very similar to the sous vide hacks we’ve seen is an added [...]
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7:01
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Hack a Day
It’s not that we haven’t seen inexpensive Sous Vide builds. It’s just that we enjoy the fact that [Kelvin's] Sous Vide machine gives new life to unused things. The cooking vessel is a crock pot which he acquired for just $3. He housed it in a large Styrofoam box which he got for free through [...]
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9:01
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Hack a Day
Behold the uWave, a microwave oven that plays YouTube videos while it cooks. [Kevin] and three classmates at the University of Pennsylvania developed the project for the 2011 PennApps hackathon. It uses a tablet computer to replace the boring old spinning food display microwaves are known for. Now, an Arduino reads the cook time and [...]
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6:28
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Hack a Day
Turkey day is fast approaching and for those of us not cool enough to be rocking the deep-fried turkey this year we’ll have to suffer though a potentially dry oven-roasted bird. Chef [Justin] came up with a great way to prevent dried out white meat on a turkey using ice of all things. The enemy [...]
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6:08
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Hack a Day
[Sebastian] needed a small solder oven so he bought himself a small toaster oven (Spanish, Google Translate). It’s not the kind of thing we’d make our breakfast in now, but for soldering it’s a very nice oven. After a little bit of research on Google, [Sebastian] discovered that the best technique when dealing with reflow [...]
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6:01
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Hack a Day
[Dino's] latest weekly hack plays right into our Kitchen Hacks theme. He’s sharing some obscure tips and tricks involving eggs. It should come as no surprise that he knows a thing or two about using eggs. After all, he keeps chickens and you’ve can’t just let good eggs go to waste. Which is where his [...]
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10:04
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Hack a Day
We’re not going to question the logic that went into putting racing stripes on a slow cooker, but [Evan]‘s sous vide machine is the most professional one we’ve seen. After [Evan] found a cooking book that went into the physics and chemistry of making a meal, he wanted to make some really good meals. Sous [...]
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10:01
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Hack a Day
This food sealer just wasn’t cutting it for [Tinkering Engineer], so he decided to do something about it. The issue with this sealer was that it didn’t have a mode where it could simply seal bags without pulling a vacuum on it. Going through the whole process takes a reported 40 seconds in order to [...]
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7:01
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Hack a Day
Sometimes the best kitchen hacks aren’t about the best barbecue, the rarest steak, or the baconiest bacon. Sometimes you need a little color on your plate, son, so why not grow your own herbs in a [George Foreman] rotisserie greenhouse? [Sam] first saw his barely used rotisserie as his friend was throwing it out. Like [...]
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12:49
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Hack a Day
For those of us that would like a good cup of coffee but don’t want to put up with the ‘burnt butt’ taste of Starbucks and don’t have a decent coffee shop nearby, we’ve had very few options. Most of us have been made to suffer with an el-cheapo espresso machine. [Joe] sent in a great [...]
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4:08
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Hack a Day
This pressure cooker hack on [Dave Arnold]‘s great cooking blog was sent into us (thanks, [techartisan]!). Most pressure cooker recipes are written for pressure cookers that can go up to 15 PSI or 250° F / 121° C. At these temperatures, a lot of interesting chemistry happens in the food. The popular Cuisinart electric pressure cooker doesn’t [...]
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5:05
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Hack a Day
Tempted by what sous vide cooking has to offer, but balking at the price for a unitasker, [Lee's] father in law set out to see if he could rig up his own precision temperature controlled cooking system on the cheap. He immediately hit eBay and shelled out about around $75 to get his hands on [...]
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10:24
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Hack a Day
It seems that sous-vide cooking is becoming increasingly popular lately. [Meseta] caught the sous-vide bug and wanted to try his hand at it, though he did not have enough money for a premade sous-vide cooker. After seeing a good handful of lackluster DIY sous-vide rigs online, he decided that he would design and build a [...]
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7:02
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Hack a Day
The crew that brought you the Arduino is always hard at work trying to bring the community closer together and to foster collaborative development. They recently rolled out a new feature on their site that is sure to be of interest to Arduino veterans and neophytes alike. Arduino Labs is a platform which the team [...]
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17:49
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Packet Storm Security Recent Files
This whitepaper gives a short inside of hacking Mifare Classic. Mifare Classic is a inexpensive, entry-level chip, based on ISO/IEC 14443 Type A, 1kB or 4kB. It uses the 13.56 Mhz contactless smartcard standard, proprietary CRYPTO1 with 48 bits keys. There is no protection against cloning or modifications. Anyone with 50 EUR reading can use this weakness against their infrastructure. This cookbook is a proof of concept demonstrating how easy it can be done.
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17:49
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Packet Storm Security Misc. Files
This whitepaper gives a short inside of hacking Mifare Classic. Mifare Classic is a inexpensive, entry-level chip, based on ISO/IEC 14443 Type A, 1kB or 4kB. It uses the 13.56 Mhz contactless smartcard standard, proprietary CRYPTO1 with 48 bits keys. There is no protection against cloning or modifications. Anyone with 50 EUR reading can use this weakness against their infrastructure. This cookbook is a proof of concept demonstrating how easy it can be done.
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14:01
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Hack a Day
For [Roy's] graduate electronics class, he decided to make something that many in and out of the hacking world would certainly love, an automatic espresso loader. One can choose from three flavors available. In order to accomplish this, a Parralax Propeller board is used to control three servos that regulate the amount of coffee dispensed, [...]
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15:02
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Hack a Day
[Collin] loves piezos – and why not? According to him, they are about as close to magic as you can find in the world. We can’t really disagree on that one – there’s something oddly enchanting about piezoelectric materials. Most commercially used piezoelectric devices that you find today are constructed out of man-made ceramic materials [...]
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13:31
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Hack a Day
Bradley smokers are coveted for their ease of use, as they require very little interaction from the user once the hopper is loaded with wood pucks and the machine is powered on. The more robust models are quite pricey, so [Maukka] decided to build his own version of a Bradley smoker as an add on [...]
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12:00
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Hack a Day
[dafonso] purchased a nice 1500W smoker but was somewhat dismayed that it only had one cooking temperature. To compensate he designed his own PID control system which allows him to set the cooking temperature digitally. At the heart of the system is a PICAXE 18 micro which switches the smoker on and off using a solid state relay. Rather than testing [...]
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6:00
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Hack a Day
[Mikey Sklar] wrote in to show us how he refurbished a neighbors useless refrigerator as a fermentation chamber. [Mikey] is a fan of making breads, kemchi, yogurt, and tempeh. To make these, it helps to have a completely controlled temperature for them to ferment in. [Mikey] developed a temp controller for this in the past, but had [...]
