Fresh hacks every day
As with many of the projects covered on hackaday, [bongodrummer]'s Dust Sniper came about because of a lack of effective commercial solutions, in this case to the problem of quiet dust extraction. Workshops are generally full of dust and noise, both of which take their toll on the human body. This is why safety regulations exist for noisy and dusty workplaces and--as [bongodrummer] rightly … [Read more...]
[ProfHankD] came up with a pretty easy way to take 3D photos using a single lens. He's making Anaglyph images which use color filtering glasses to produce stereoscopic 3D effects. We've seen stereoscopic imaging hacks that use two cameras or a clever combination of mirrors, but this one uses a special filter and post-processing. [ProfHankD] drew up a template that can be used to properly align two … [Read more...]
[Daniel Reetz] has caught the Kinect hacking fever. But he needs one important tool for his work; a camera that can see infrared light. This shouldn't be hard to accomplish, as the sensors in digital cameras are more than capable of this task, but it requires the removal of an infrared filter. In [Daniel's] case he disassembled a Canon Powershot to get at that filter. There's a lot packed into … [Read more...]
If you've ever designed an embedded system with at least one button you've had to deal with button debouncing. This is also know as contact bounce, a phenomenon where a button press can be registered as multiple button presses if not handled correctly. One way to take care of this is with a hardware filter built from a resistor-capacitor setup, or by using a couple of NAND gates. We find that … [Read more...]
[Okie] designed this audio effect shield for Maple. You'll remember that Maple is a prototyping system built around an ARM processor, so there's plenty of power and speed under the hood. First and foremost, the shield provides input and output filters to keep noise out of the system. From there a set of potentiometers let you change the effect, with the manipulation like echo, distortion, and ring … [Read more...]
[Thomas] and a buddy were sucking down a few brews when they decided to hack their 2001 Chevy Cavalier for a bit better performance. If they could find a way to bring cooler air to the engine they speculated that they'd see an increase in efficiency. Instead of routing the air intake to a hood scoop, they took off the factory air filter and mounted a cold air filter in its place. PVC pipes were … [Read more...]
It's Independence Day, so if you have pets and planned a trip, chances are you wrangled a pet sitter to keep your pet from starving or dehydrating to death. Next time, consider letting this infinite water dispenser help you instead. The dispenser is made of a Tupperware tub, a fish tank water filter, a float switch, and a water solenoid valve. It works essentially the same way as any toilet: the … [Read more...]
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