Fresh hacks every day
Writing for Hackaday isn't all fun and games; occasionally I need to actually write posts and reply to emails from builders around the globe. Usually, though, I'm knee-deep in a personal project, or just hanging out playing a few video games. Recently I've gone off the deep end with Kerbal Space Program, an awesome little space flight simulator set in an alternate reality where everyone is just … [Read more...]
[Jim's] pretty serious about his Etch a Sketch. He's gone to the trouble of building a rig that will automatically render a photograph as Etch a Sketch art. Do you recognize the US political figure being plotted in this image? He actually cracks these open and removes all of the internals to preserve the artwork when the reassembled body is ready to be hung on a wall. But we like it for the … [Read more...]
[Andy] is getting his garden up and running. This year it's been pretty cold so he decided to get small plastic domed tunnel which acts as a mini greenhouse. To help monitor that environment he built this sensor array which displays temperature and soil moisture readings. Temperature is quite simple. He's using a TMP36 sensor which is held a few inches above the soil. The moisture sensor is of … [Read more...]
Careful planning and a steady hand let [Leo Rampen] fit everything he needed to build a graphic equalizer display on his LED wall sign. There's a lot of components that needed to fit on this board, and he decided not use to an etched board for the build. The idea for the project started off as just an LED sign. After spelling out "Sweat Box" using LED rope lights, he needed a way to switch … [Read more...]
[Joseph] wrote in to share this home automation system he's working on as a college project. He calls it the Room Engine and the house-side of the hardware is built on top of the circuit you see here. This is the most basic part of the REBoard, which is meant to connect to a computer uses RS232 or USB, and in turn use a set of relays to switch mains voltage devices. You can follow the bread … [Read more...]
Cool picture, huh? Wait until you see the video footage of this LED-adorned RC helicopter flying on a dark night. But this isn't an art project. Analyzing the long-exposure photography turns out to be a great way of clearing up some of the physics of flight which otherwise are not at all intuitive. The helicopter used here has different colored lights on the nose and tail, as well as lights on the … [Read more...]
This isn't a brightest flashlight in the world type of hack (but it does manage to push about 1000 lumens). [Stephen Webb] is finding a use for leftover parts by building his own simple LED flashlights. As you can see, he uses PVC parts available at any hardware or home store. These are a good choice; they're cheap, light weight, resilient, designed to be water tight, they easily thread together … [Read more...]
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