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Here are more than a few do it yourself projects that I am interested in. A few are even started by yours truly.

These 21 Hacks Will Forever Change The Way You Clean Your House. They're Simply Genius. OBD-PiTFT: Display Car Diagnostics (OBD-II) Data On Adafruit's PiTFT Touchscreen Display For Raspberry Pi - CowFish Studios. Meet the WIDGEDUINO. Vsync by erniejunior. This is the VSync library for the Arduino platform.

Vsync by erniejunior

It can 'magically' synchronize variables on your Arduino with variables on other Arduinos or in your Processing sketch. Look here for it's Processing counterpart. Controlling lights and sensors with Arduino Yún, Node js server and firmata. Controlling lights and sensors with Arduino Yún, Node js server and firmata Zoe Romano — June 3rd, 2014 Arduino user Cinezaster sent us a project using Node js server on the Arduino Yún to control the lights, heating and some other sensors in the office of Appsaloon, the company where he’s doing an internship.

Controlling lights and sensors with Arduino Yún, Node js server and firmata

They already use Node.js for a lot of things and some of them are pretty cool with it. That’s how they did it: First of all you need to expand your flash, because there is not enough flash (16 MB) on the Arduino Yún. How-To: Make an RGB combination door lock (Part 1) How to Spot Planet Venus in the Sky | Phases of the Planet Venus | Skywatching, Telescopes & Astrophotography. Ever since it returned to the evening sky just over a month ago, our "sister planet," as Venus is often called, has been the centerpiece of the current evening sky.

How to Spot Planet Venus in the Sky | Phases of the Planet Venus | Skywatching, Telescopes & Astrophotography

As Venus travels around the sun inside the Earth's orbit, it alternates regularly from evening to morning sky and back, spending about 9 1/2 months as an "evening star," and about the same length of time as a "morning star. " Some ancient astronomers actually thought they were seeing two different celestial bodies. They named the morning star after Phosphorus, the harbinger of light, and the evening star for Hesperus, the son of Atlas.

Easy to Build WIFI 2.4GHz Yagi Antenna. The building steps are simple: 1.

Easy to Build WIFI 2.4GHz Yagi Antenna

Print out the scaled Yagi antenna template* (download from next step). 2. Yagi-pdf/cheapyagi.pdf. Listening to Satellites with a Homemade Yagi Antenna. One of my favorite things to do is talk with other ham radio operators through satellites or the International Space Station (ISS).

Listening to Satellites with a Homemade Yagi Antenna

To do this, I stand on a rooftop and tune a handheld multiband radio while tracing the orbit of a satellite or the ISS with my homemade yagi antenna. Orbiting satellites such as AO-51, SO-50, and AO-27 act as repeaters, relaying signals from low-power transceivers like mine back to hams elsewhere on the planet. So if you know where to aim the antenna, you can communicate around the world via space. Build one Yagi ANTENNA. After the drill came the time of the saw...

build one Yagi ANTENNA

Do a slash of 1 cm (0.39 inch) of depth (split) to surroundings of every extremities of tubes of 8mm (0.31 inch). It will permit a better tightening by necklaces, of Circles of 6mm (0.23 inch) that will slip inside himself. Cut with the saw to metals one of round of 6mm (0.23 inch) to the middle (50 cm 19.68 inch) . Arduino Astronomical Clock for Automatic Light Control. Arduino Astronomical Clock for Automatic Light Control There are many ways to automatically control these lights.

Arduino Astronomical Clock for Automatic Light Control

The gadget I was using (until I completed this project, that is) was a simple mechanical timer. This product allows you to set separate turn-on and turn-off times and those repeat every day. The disadvantage of this product is that, as the seasons change, you need to constantly adjust the turn-on and turn-off times. As illustrated in Figure 1, the variation over the year (in sunset time in this example) is very significant even at my Northern California latitude, with almost three hours difference between the earlier and latest sunset times! Gelandagan's Metal Marker MkI - Electro Etcher. Ok, success!

Gelandagan's Metal Marker MkI - Electro Etcher

How deep? Well it is adjustable, based on the length of time the current is applied. Can it be personalized? I am working on it. ArduinoBoardEsplora. Overview The Arduino Esplora is a microcontroller board derived from the Arduino Leonardo.

ArduinoBoardEsplora

The Esplora differs from all preceding Arduino boards in that it provides a number of built-in, ready-to-use setof onboard sensors for interaction. It's designed for people who want to get up and running with Arduino without having to learn about the electronics first. For a step-by-step introduction to the Esplora, check out the Getting Started with Esplora guide. The Esplora has onboard sound and light outputs, and several input sensors, including a joystick, a slider, a temperature sensor, an accelerometer, a microphone, and a light sensor. 3V to 24V Variable Power Supply. This 3V to 24 volt variable-regulated power supply can be adjusted from 3 to 25 volts and is current limited to 2 amps as shown, but may be increased to 3 amps or more by selecting a smaller current sense resistor (0.3 ohm).

3V to 24V Variable Power Supply

The 2N3055 and 2N3053 transistors should be mounted on suitable heat sinks and the current sense resistor should be rated at 3 watts or more. Voltage regulation is controlled by 1/2 of a 1558 or 1458 op-amp. The 1458 may be substituted in the circuit below, but it is recommended the supply voltage to pin 8 be limited to 30 VDC, which can be accomplished by adding a 6.2 volt zener or 5.1 K resistor in series with pin 8.

Build a $360 synthetic aperture radar with MIT’s OpenCourseware. How To Give Your Puppy CPR - Infographic | Carrington.edu. Your CPR certification for adults does not automatically mean you also know the correct way to perform CPR on a puppy. Chest compression for humans and dogs involve forceful motions, with one hand on top of the other on the surface of the chest. However, this sort of force may do more harm than good when dealing with a puppy. Learn the steps to modified respiration and CPR for puppies to increase their chance of survival. Want to put this graphic on your site?

Using Dry Ice on Your Camping Trip « Dry Ice Ideas | Penguin Brand® Dry Ice. Last week, we talked about how to transport dry ice on your trip, but what about using dry ice once you get where you’re going? Dry ice can help keep food cold or frozen during your camping trip when used properly. Here are a few tips to help ensure your dry ice will keep your goods colder longer. Pack frozen foods and chilled foods in separate containers. There are specific packing techniques for each type of good, which you can find in our basic packing post or our everyday uses guide.Make sure to pack enough dry ice to last throughout your trip.

We recommend packing 5-7lbs of dry ice per day in each standard cooler you take with you.To prolong the life of your dry ice, insulate the cooler itself with blankets or sleeping bags during the hottest parts of the day, and keep it out of the sun.You can keep mosquitoes and other pests away from your campsite using our easy backyard bbq method.When you’re finished with your trip, you can simply leave the remaining dry ice at your campsite. Plastimake | Plastic you can shape with your hands. Common mistakes in electronics repair. Common Mistakes of Electronics Repair Many of us have been interested in electronics repair from a very young age, but to some, the interest could have started in our 40’s or even 50’s! No matter what your age, electronics repair is fun and this hobby can be turned into profits if you know what to do with your knowledge.

It is very exciting when you discover that electronics repair is the field that is really meant for you. Day and night you search the web for more information about electronics repair and hope to be able to understand and solve electronics problems. Laser-cut Lattice Living Hinges. AKA: Snijlab-style living hinges, Sninges, Laser cut hinges, or my prefered title: Lattice Hinges Flexi-Acrylic Test by Solarbotics, on Flickr After this style of hinge popped up again, this time on Makezine, I was having a look at the linked project guide and at how they worked and I realised that a bit of mathematical modelling could lead to better designed hinges.

This could mean fewer rounds of trial-and-error prototype tests, which would reduce the cost of using lattice hinges in a project, and better fatigue resistance, meaning the hinges could be used for moving parts instead of just for static bends. Download links for the test specimen files are included at the end of this post. This style of hinge appeared recently in the work of Snijlab, a Dutch laser cutting workshop when they showcased a folding notebook cover mode from a flat sheet of laser cut plywood. The Next Battle for Internet Freedom Could Be Over 3D Printing. Editor’s note: Rick Kelly (@_rickkelly) is an adjunct political science professor at BYU-Idaho and MBA student at UNC-Chapel Hill. Remember SOPA? In case you’ve forgotten already, earlier this year some Congressional legislators attempted to protect intellectual property through the Stop Online Piracy Act (SOPA).

The language in the bill was far-reaching and ambiguous; thus prompting concern that application of the law would extend beyond its intent. TechCrunch’s own John Biggs explained that SOPA “would allow the US government to essentially ‘turn off’ part of the Internet that it doesn’t like.” The Kinkajou Bottle Cutter | Direkt Concept. Diy: stained recycled bottles | Design Folder: Your Online Design and Decorating Resource. KMODDL - Kinematic Models for Design Digital Library. Why Fixers Will Save Our Planet. Circuit Scout: Electronics Circuits Search. Will 2012 Be The Year 3D Printing Goes Mainstream?

DIY Bike Rollers. Darwin Manuscripts Project. How to Get a Complete Workout with Nothing But Your Body. List of tool-lending libraries. Home - Gadgeteer. The Wood Bending. Smelting iron ore in a microwave. How Do You Start a Fire With Ice? Hurricane Lasers. How to dismantle Toshiba Portege M205 laptop. Toshiba tablet PC disassembly guide. Diagramly - Draw Diagrams Online. Crash course: Embedded programming with Arduino. Want To Make A Giant Telescope Mirror? Here's How. Printrbot: The Perfect Beginner 3D Printer Can Expand Itself. Soon you'll 'evolve' yourself new furniture using 3D printing. Layer by Layer. Transistors made from cotton yarn, t-shirt computers incoming. iModela, Roland's $1000 hobbyist CNC milling machine. Monitor: More than just digital quilting.

HOW TO: Make silver ink that conducts electricity. Make a Musical Greeting Card to Annoy or Delight Your Friends and Family. How to Make Toy Air Ships, Ray Guns and Much More from Old Tin Cans. Beat Bearing Sequencer. Connecting Batteries in Series or Parallel. A. HACK A WEEK. E&E PROJECTS. Mountain UltraLight: Make Your Own Backpacking Meals! Hack a Day. Automatically weed the celebrity gossip out of your TV time. Bypassing manufacturer-imposed battery lockouts. Output up to 768 PWM signals from one Arduino. Experimenting with bridge rectifers for AC to DC power conversion. Hack N Mod - Amazingly Cool Hacks, Mods, and DIY Projects.

Chicken Coops

Kilns. JigSaw Puzzles. Concrete Domes. Android Development. Soldering. LED Flashlights. Cant find a part? Check these links. Free Audio Books - Philosophy - Download mp3 and iPod format today!

Instructables - Make, How To, and DIY. Member: Pjpuas. LED Plant Growth Light. Succulent Wall Art. Build Your Own Salad Table | Apartment Therapy San Francisco. Repurposed Etched Glass Spice Jars... Fab Lab Tulsa | MIT Fabrication Laboratory within Tulsa's Kendall-Whittier Neighborhood. Andrew S. Harmon. Sample Club - Free Laser Engraving and Cutting Files and Sample Ideas. Fab Lab Tulsa.

America del Norte. Wiki. Electronics. Welcome.

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