Electrical Contact

How To : Fix a wet laptop

How were you supposed to know your computer can't swim? Isn't it called a laptop? You will need paper towels or lint-free cloth, cotton swabs, a towel, lots of luck, and professional help. Warning: liquids and electricity don't mix. Please make sure your hardware and all point ...more

How To : Replace a brake light

You can get an expensive ticket for driving with a busted tail light. But that's not all. Driving with a faulty brake light can be dangerous. Replacing the bulb is a simple task that takes only a few minutes. You Will Need *A screwdriver *A replacement bulb *A friend’s help ...more

Build a Home Arcade Machine : Part 1

Remember the arcades? Were you saddened when they closed up one by one, leaving no outlet to actually go out and socialize while you played video games? With all the home consoles and internet connectivity, gaming has evolved, but the social factor has been eliminated. Sure we ...more

How To : Use switches safely for your electrical needs

In the first video, it introduces the principles and terminology of mechanical electrical switches. It covers terms such as contacts, normally open, normally closed, poles, and throws. The second describes toggle switches, including different configurations and terminology. Y ...more

How To : Consistently Locate Hidden Wall Studs in Your Home

Wall studs are both critical for maintaining the structure of your home and supporting items of weight and function on the interior walls (e.g. cabinets, shelves, plasma TVs, etc.). With wall studs playing such a critical role, consistently being able to find them is important ...more

How To : Grow Plants With Compact Fluorescent Lights

I like to grow vegetables all year round, and I couldn't afford the big gas bulbs, or the power to run them. The big gas bulbs: can explode can burn you and your plants cost upwards of $50 a month to operate raise the temperature in your home, causing the air conditioning to ...more

How To : Make a speaker out of a tissue box

In an old video posted on YouTube, about how to make a speaker in a tissue box, they got a Kleenex box, foil, motor, and battery. Of course the motor ran off the battery and it made a sound, but there's no way to just plug in the audio jack from your Apple iPhone into the Klee ...more

How To : Avoid RV problems by cleaning your hookup cord

Gary Bunzer the RV Doctor shows how to avoid potential RV problems by cleaning your electrical hookup cord. Before you connect your RV to an electricity supply, make sure to clean and brighten the metal contacts on your shoreline cord. Use fine-grade steel wool to clean all su ...more

How To : Not look like a jerk while wearing a bluetooth

We've all seen them. Those guys or girls. Walking down the street with that little flashing blue piece in their ear. Do you love the convenience of your wireless earpiece, but you hate the way it makes you look like "one of them"? Here's how to avoid coming across like a total ...more

How To : Waterproof a remote controlled vehicle

If you call yourself a hobbyist or a kid at heart, you know that remote-controlled vehicles are more than just fun. If you're a serious R/C man, you'll know all about doing everything to your model truck or car, like fixing wheels, vamping the pinion gears, waterproofing, trou ...more

How To : Make a vase out of old lightbulbs

This video illustrates how to make a vase out of old light bulbs. Materials: 1. Light bulbs 2. Strings 3. Cutting player 4. Artificial flowers Procedure: Cut the electrical foot contact of the light bulbs. Take a few strings and, with one string, fold it in the middle and ma ...more

How To : Remove a broken light bulb from the socket

Use this safe and easy technique next time you need to replace a shattered light bulb. You Will Need * Needle-nose pliers * Work gloves * Safety glasses * Electrical tape (optional) WARNING Working with electricity is dangerous. Be extremely careful and, if you have any dou ...more

How To : Make a pinhole camera

In the age of digital cameras and instant gratification, make the simplest camera ever invented using just a light proof box, a hole, and paper. Check out this Howcast video tutorial on how to make a pinhole camera. You Will Need * 1 clean, 7 inch tall oatmeal box * Heavy fo ...more

How To : Easy DSLR Project—Get Unfocused!

(Difficulty Level: from Newby to Expert) Digital cameras can produce freaky sharp images—it’s one thing that sets them apart from film cameras. A DSLR doesn’t have grain, it has noise—and that sounds a lot less charming for a reason. If you shoot at a low ISO, high f-stop and ...more

How To : Suspect a Case of Insecticide Poisoning

Insecticides are widespread products which are used daily in our lives. Organophosphorus is the main compound in these products and has toxic effects on our health that may be fatal in some cases. Insecticides affect mainly the synapses of the nerve cells in our central nerv ...more

How To : Replace an electrical outlet

If your old outlet has become so loose that a cord barely stays in place, it's time to change it. It's not just an annoyance—it's a hazard. Learn how to replace an electrical outlet with this instructional video from Howcast. You Will Need: * A flathead screwdriver * A digita ...more

How To : Things to Do on WonderHowTo (02/15 - 02/21)

WonderHowTo is made up of niche communities called Worlds. If you've yet to join one (or create your own), get a taste below of what's going on in the community. Check in every Wednesday for a roundup of new activities and projects. Thanks to all of our active moderators and ...more

How To : Make an Electric Firebolt

A lot of my hacks use salvaged parts from an old microwave, with the microwave oven transformer (MOT) being the most useful component. In this "Quick Clip," I'll be using a MOT again (a dual MOT stack) to make deadly flame-looking electricity jumping around midair. This scien ...more

How To : Fix bObi's Left or Right Wheel

With just a Phillips head screwdriver and this walk-through, you can open and close any bObi robot vacuum. So long as you have a replacement wheel, follow these steps to install it yourself. Video: . Step 1: Unscrew the Appropriate Wheel The left and right wheels are held on ...more

How To : Fix bObi's Floor Detecting Sensors

bObi has four floor detection sensors on her underside that warn her not to drive over ledges and stop her from falling down stairs. For this replacement, you will need a Phillips head screwdriver and a new set of ground sensors for bObi. Video: . This repair may help if bObi ...more

How To : Avoid "Scuffgate" and Other iPhone 5 Problems

Getting a new phone is like getting a pair of new socks—you can't wait to try them on and when you do, they feel totally awesome. Maybe that's just me, but for many customers that have already received their highly anticipated iPhone 5 in the mail, awesome is definitely not th ...more

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