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38 items tagged "water"
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15:01
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Hack a Day
This home is heated by a wood stove in the winter, which also produces hot water. But the other three seasons it’s an electric water heater that does the work. This latest hack is a solar collector meant to take over the hot water production work for the house. it uses basic building materials and [...]
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13:01
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Hack a Day
These cool looking little bots are part of a fleet of floating water sensors built by The Lagrangian Sensor Systems Laboratory (LSSL) at UC Berkeley, the Lawrence Berkeley National Laboratories (LBNL) and the California Department of Water Resources. In an emergency such as a levee break, flood, or spill, they can be deployed to gather information [...]
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14:01
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Hack a Day
This Lego watercraft uses drinking bottles as pontoons arranged in a pattern that make it look very much like a Water Strider, the insects that dance on the surface of a lake. After the break you can see a video of the rig gracefully navigating a local pond, along with a raft of ducks. It’s [...]
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12:10
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Hack a Day
After he saw a ‘falling water display,’ [Matt] figured he could turn that idea on its head. He built a display that uses bubbles for pixels. Even though the build isn’t complete, we love the results so far. [Matt] began his build constructing a tall, thin water tank out of acrylic. Eight solenoids were mounted [...]
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9:01
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Hack a Day
Sure, squirrels may bother the average home owner, but few have attempted as creative a way to control them as this automated water turret. Check out the video after the break to see how this was accomplished, but if you’d rather just see how the squirrels reacted to getting squirted, fast forward to around 16:00. [...]
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9:01
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Hack a Day
[Peter Sobey] had a solar hot water heater installed in his home, which worked great until he relocated his kitchen to a neighboring room. Now a good bit further from the tank, the hot water reaching his sink was tepid at best due to the increased distance and temperature limiting mixer valve in the new [...]
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7:01
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Hack a Day
If you have livestock or outdoor pets you know how important it is to keep them watered, but also know that sometimes you are not around when the trough runs dry. [Buddy] solves this inconvenience with a trip to the hardware store and some creativity. The automatic water filler is made from some PVC pipe, [...]
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10:36
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Hack a Day
[Thomas Clauser] had his basement flood last year when a hurricane swept over New England. The problem with flooding or leaking water is that chances are you won’t notice until it’s too late. He decided to protect against this in the future by building his own leaking water detector. It’s a simple device that sits [...]
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10:01
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Hack a Day
[Eric Ayars] has a nice cast iron Christmas tree stand at home, but the only drawback is that the stand makes it hard to see just how much water is available to the tree. Last year we covered a small gadget he created to help keep tabs on the water level, but as several of [...]
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8:01
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Hack a Day
Many westerners visiting or living in China may observe the art of “water calligraphy” and some may even try to imitate it. However, media artist [Nicholas Hanna] decided to take a totally new approach and make his own water painting machine. Someone less creative would have devised some imitation of a human, but [Nicholas] decided [...]
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9:07
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Hack a Day
[Ben Krasnow's] water vortex machine has been an exhibit in the lobby of the San Jose City Hall for quite some time now. Unfortuantely he recently had to perform some repair work on it due to the parts inside the water chamber rusting. This is the same water vortex that we saw about a year ago. [...]
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4:06
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Hack a Day
When you need a mechanism to detect the water level within a container or tank, you have several different options. Most people opt for a simple float or probe that sits in the water, while others use optics to sense when the water is reaching an undesired level. This device built by [Danilo Abbasciano] uses [...]
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8:43
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Hack a Day
One thing we love about the hacking community is the drive that most people have to revamp and rework their “finished” projects. A few weeks ago, we wrote about a water distilling rig that [Kyle] hacked together, which allowed him to automate his distillation process. He took his project back into the workshop and tweaked [...]
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15:01
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Hack a Day
Hackaday reader [Kyle] wrote in to share a project he recently wrapped up, involving a counter top water distillation unit he uses at home. He lives in Atlanta, and hates both the taste and contaminants in the water, so using this distiller is an absolute must in his house. The problem with this cheap unit [...]
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11:01
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Hack a Day
While some projects we feature are meant to perform a useful function or make life easier, others such as this art installation by [Pe Lang] are far less functional, but amazing nonetheless. Taking a cue from CNC-style machines, his creation is an experiment in falling objects and the properties of water. The machine methodically moves [...]
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15:01
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Hack a Day
Even though it’s a bit late for April Fool’s jokes, [Ameres] wrote in to share a project guaranteed to catch your friends (or enemies) by surprise. Like us, he had some old CD-ROM drives sitting around and thought that there must be some way to put them to good use. He gutted one, saving the [...]
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13:01
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Hack a Day
If you’ve ever had a water leak in your home, you know the sinking feeling that comes over you as you walk through the door to the sound of running water. [Greg] knows this feeling quite well, having returned home to a sopping wet floor and an overflowing reef aquarium on more than one occasion. [...]
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5:04
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Hack a Day
This water sculpture can stop drops of water in mid-air. This is accomplished by flashing LEDs to illuminate the droplets at just the right time. But it’s not limited to blinky lights alone. The top of the frame has eight nozzles, each fed by its own pump. An Arduino controls the pumps and the lights making [...]
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15:02
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Hack a Day
Most everyone is looking to live a little greener these days, with motivating factors typically being the preservation of the environment or financial considerations. [Fabien] fit into the latter category after realizing that about 25% of his monthly gas bill went to heating the water he and his family use each day. After a few [...]
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14:00
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Hack a Day
If you want happy fish you’re going to need to do regular aquarium maintenance. Part of this is exchanging a portion of the tank’s water on a regular basis. [Bill Porter] came up with a water exchanger that means less manual labor, but makes the process just a bit more complicated. So, what he would [...]
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8:00
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Hack a Day
[cmwslw] built a soda-bottle water rocket that uses the ignition of oxyhydrogen gas to quickly expel the water, as opposed to the usual compressed air and water mixture. His project contains excellent documentation with photos and it builds on other articles he’s written about generating the flammable HHO gas used to launch his craft into [...]
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13:36
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Hack a Day
This rifle-shaped water cannon looks great and packs a big punch. We guess you could say that it’s a water balloon launcher, but the balloons are torn off and drop like the wad from a shotgun shell when fired. So we think this launches water blobs, or orbs, or something along those lines. [Wolf] built [...]
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11:00
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Hack a Day
How much water do you use when showering, or washing your hands, or washing the dishes? Not how much does the average person use, but how much to you use? That’s what the team over at Teague Labs set out to find with this water usage feedback system. The sensor used is a Koolance flow meter [...]
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9:43
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Hack a Day
[Niklas Roy] wanted to create electricity from moving water so he came up with this hyrdopower generator. It is part of his grand scheme to rent out small personal fountains made from buckets. They need electricity to run so he hooked up the generator to the water jet of a public fountain. It should be [...]
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7:34
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Hack a Day
[Dave] has put together this laminar water jet, mainly from PVC and drinking straws. There isn’t a project page, but he does go into a little depth explaining how it works. The water enters at the bottom and is slowed down by a series of sponges, then forced through a column of drinking straws. It [...]
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12:13
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Hack a Day
School will be starting again in a few weeks but it’s not too late to enjoy a little time with your kids. This water rocket launcher lets you do just that. Built using the frame from an old grill, a soda bottle takes its place on the upturned PVC pipe. There’s a connection for your garden hose [...]
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8:40
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Hack a Day
This multi-layer display uses droplets of water as a projection medium. This way, several different projected areas can be seen for a not-quite-3D layering effect. The trick is in syncing up all aspects of the apparatus. There are three manifolds, each with 50 stainless steel needles for water drop production. A solenoid valve actuates the [...]
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4:55
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Hack a Day
[Taichi Inoue] is back again, this time with a multitouch system that uses water as the touch surface. The setup consists of a tank of water placed atop an LCD, a lamp, and a web cam. The web cam pics up the light that is reflected when something breaks the surface of the water. It [...]
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11:00
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Hack a Day
As far as pranks go, [Austin Shaf's] wireless hidden water gun is a real treat. The video above goes over a brief explanation and shows the setup in action. The prankster holds onto a wireless AVR remote, and when the unsuspecting victim walks by, he activates a second AVR controlling a pump; spraying water everywhere. [...]
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10:00
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Hack a Day
Hackaday’s [Caleb Kraft] has branded today “kiddie d-day” after seeing this PVC water gun follow close on the heals of the LEGO sniper rifle. This is a great summer project if you don’t mind letting the kids use the quick connect on your air compressor. It’s really just a ‘T’ made of PVC with two [...]
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7:28
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Hack a Day
Want nature to supply you with 130-150 degree hot water? [Onestraw] shows you how to get just that by building a compost heap that heats water. Finding himself the proud owner of a dump truck of green wood chips [Onestraw] went about building his own version of Jean Pain’s thermal compost pile. The idea is [...]
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9:07
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Hack a Day
With summer just around the corner you should try out a build like this constant pressure water gun that [JLspacemarine] put together. Similar to the commercially available Super Soaker toys, this isn’t just a squirt gun but includes a water reservoir as well as a pressurized air chamber. Pumping up the air chamber allows for [...]
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8:37
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Hack a Day
[Matthias] swapped out his twin-tube florescent aquarium lights for LEDs. By running tank water through the aluminum LED mounts he’s transferring excess heat into the water in the tank, in turn saving some of the electricity that would have been used to heat the tank. Couple this with roughly 35 Watts saved by moving away [...]
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6:19
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Hack a Day
Submarine builds are always fun but frequently produce headaches when it comes to keeping the water out. [Jason Rollette] built this ROV to explore a shipwreck in Lake Michigan. The main structure is PVC and various bilge pumps are used for propulsion. An AVR ATmega32 controls the on board electronics with an Ethernet tether to [...]
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