How To: Calculate electrical power
This video introduces the formulae for watts in an electric circuit, P=IxE, P=I^R, and P=E^/R. It also explains how P=I^R and P=E^/R are algebraically derived from P=IxE and Ohm's Law.
This video introduces the formulae for watts in an electric circuit, P=IxE, P=I^R, and P=E^/R. It also explains how P=I^R and P=E^/R are algebraically derived from P=IxE and Ohm's Law.
Kipkay shows you how to increase the range of your remote control for your television. You use electrical tape to make sure that the leads do not come into contact with the reflector.
This video will show you how to install a replacement side rear-view mirror on a 2002-2008 Dodge Ram truck. For this auto repair, you will use a T40 Torx driver, a Phillips screwdriver, a flat blade screwdriver and a 10mm wrench. This video also contains instructions for the electrical hook-ups to control the mirror.
You don't need to buy an expensive ring light, you can make your own at home. You'll need a sheet of sturdy plywood, a pencil, some string, a dimmer switch, the light bulb sockets, some electrical wire, a drill and some hardware.
If you've ever seen Goldfinger you've probably wondered when we're going to get access to lasers that could cut a man in half. This might be it. Watch on to learn how you can, with some electrical engineering skills, make a DIY blue death ray laser gun that will cut through all kinds of stuff. No word on whether it works on British secret agents.
This video tutorial will show you how to wire automatic sprinkler valves for the health of your green grass lawn. Attach wire to the sprinkler valves and run it to the automatic sprinkler timer. That's it. You don't need to be an electrician or a plumber to accomplish this sprinkler step. Just get some wire strippers and do your own electrical work.
The United States Postal Service (USPS) use what's called a Grumman Long Life Vehicle, or LLV, for their postal trucks. This video will show you how to troubleshoot the dash gauges in an LLV that are acting crazy. If you;re a mechanic and you have the same sort of electrical problem with the gauges when using turn signals or hazards, this video will help you find the solution, which could involve the parking brake.
If you're experiencing a problem with your washer and it won't start or run, there may be an electrical problem that needs to be fixed or it may be your machine. Before you head to your phone book looking for a professional, check out this tutorial.
If you're interested in replacing your existing outdoor outlet and cover because of cosmetic reasons or safety reasons, this tutorial should help.
Warning! When dealing with electrical wires, makes sure you always turn off the power before you do anything. There is no room for error since you can become severely injured in the process.
In this video, learn how to make a Pandora battery with the original PSP slim battery. To complete this tutorial, you will need your PSP, scissors, electrical tape, an Exacto knife, and a lead pencil with an eraser.
If you're doing any sort of electrical work at home, a multimeter is an invaluable tool to have. But as invaluable as it is to have a volt/ohm meter, it is obviously even more invaluable still to know how to use one. And, with this electrician's how-to, you'll learn how to do just that. For more information, and to get started using and reading multimeters yourself, watch this free video guide.
Learn how to make a cheap burglar alarm/trip wire alarm with step by step instructions. This is pretty basic but effective. Cardboard, fishing line, batteries, soldering wire, soldering iron, hot melt glue gun, an empty soft drink can, electrical tape, buzzer are some of the necessary equipment. Follow along and make your own burglar alarm and keep your house safe.
Ever wonder what happens to a penny when an electrical charge is applied to it? Well, you'll find out in this science lesson that shows you how to dissolve a penny with a power adapter.
Soldering isn't hard as you might think. This video will cover the basic soldering techniques for electronics and electrical wiring. It presents a comprehensive look at the soldering process, covering everything from choosing a soldering iron and solder to proper soldering technique. Get started soldering with this electronics how-to.
While one can achieve a number of realistic vintage keyboard sounds through sample libraries like the Reason Abbey Road Keyboards refill, there's no beating the genuine article. If you find a vintage keyboard, however, it may need any number of repairs to get it sounding like it should. In this how-to, you'll learn how to get rid of electrical hum in a Wurlitzer 200 Electric Piano. Take a look!
Faulty switches are easy to fix; you just have to exercise caution. You will need a screwdriver, a new switch, and a circuit tester. Electrical repairs don't need to be dangerous, just be careful. Watch this video home repair tutorial and learn how to replace a light switch.
Do you want to learn how to make your own, personal wrestling ring? Watch this video tutorial to learn how. You will need a trampoline, rope, small PVC pipes, electrical tape and steel metal poles.
Radar Roy demonstrates in this video tutorial how to hard wire a dash-mounted radar detector. The advantage of direct wiring your radar detector is getting rid of that wire mess going to your cigarette lighter. So, if you don't want another speeding ticket again, install your radar detector the right way, the direct way! All it takes is a little electrical know-how, and maybe a little automobile know-how.
Tim Carter, of Ask the Builder, demonstrates the installation of an outlet box and how to easily wire the switch box in your home. With a little help from some pliers and wire strippers, this DIY project will be a breeze.
Tim Carter, of Ask the Builder, demonstrates how to wire up a 3-way switch in your house, into an electrical circuit, for your lighting needs.
Ask the Builder host, Tim Carter, demonstrates how to wire up a 4-way switch, and where to place a 4-way switch in an electrical circuit in your home.
This will demonstrate how to build a hidden compartment / diversion safe out of an electric outlet.
This video shows you step-by-step, how to make barbed wire for a Warhammer mini-gaming system. All you need is electrical wire (insulated or not, it doesn't matter), some paper clips, and your applicable tools for cutting.
Every wall switch and outlet on an outside wall is a hole in your wall. Here's how to insulate them while conserving energy and being eco-friendly.
There's no charge for this electricity! All you'll need for this project is... Now, watch and learn how to make your own emergency power if you find yourself in a bind.
If things are getting a bit stuffy at your desk, don’t fret. A cool breeze is just a USB slot away. Watch this video to learn how to make a USB fan.
Interested in amplifying your ukulele? Provided your ukulele has an electrical pickup, it's quite easy. And this free video ukulele lesson from Live Ukulele will show you how it's done.
Poke, jab, and stab your opponent without taking out an eye. You Will Need
Tech-savvy programmers and developers usually apply their unique talents exclusively to creating apps and websites — two high-paying and exciting pursuits that can open countless doors and opportunities in multiple fields.
This video will show you what you'll need to know to hack a digital electric meter. You'll need 2 magnets, one much bigger than the other, an AC adaptor that you'll cut into pieces, or some speaker wire, distilled water, electrical tape, a knife, some plastic wrap, and a plastic cup. Remember, this is illegal, and shown only for educational purposes.
If you want an electrical circuit to send power to an object, like a light, you're going to need resistors. This video, part of an excellent series on basic electronics by Scotty, will teach you how to make a circuit with resistors and an LED light, a real function piece of electronics.
The internet has created amazing new standards for how closely information can be followed. If you want a portable analog unit that will monitor one important piece of online info continuously and have some DIY electrical knowhow, watch this video. It will show you how to use an Arduino Ethernet Shield to make an internet meter to monitor email, stocks, and other online info on a simple analog display. You will need to know some PHP to make this work.
Someone has just smashed the side mirror off your perfect Nissan Altima that you parked on that busy road you know you shouldn't have parked on anyway, so now it's up to you to repair it— unless you want to pay an overpriced mechanic, who will charge you for parts, labor, and whatever else he thinks he deserves. If you're up for repairing your side view mirror by your lonesome, for cheap, then this video by Richpin will show you the exact steps required to fix your Nissan Altima's side mirror...
Arc welding is a type of welding that uses a power supply to create an electric arch between an electrode (electric conductor) and a base material to melt the metals at the welding point. While you can certainly purchase a welder for your car shop or jewelry making business, you can actually save some money in that department by making your own.
Do you need just a few more controls? Perhaps your wondering how hard it is to make your own controller? Then follow the steps in this 2 part series and build your first MIDI controller in about an hour for very little cash. Using only 8 electronics parts, a pre-made case and a DIY midi interface that is USB powered- you can build a controller and it wont require a degree in electrical engineering. For detailed, step-by-step instructions, on building your own DIY MIDI controller watch this vi...
Make a solar cell from a condom with this video tutorial. Solar energy is plentiful and better for the environment, so why not take an easily accessible commodity (like a condom), and use it to harvest the power of the sun. To replicate this hack at home, you'll need the following materials: 12 iron hairpins, 2 pennies (pressed before 1982), 2 electrical wires, 1 sheet of aluminum, 2 strong magnets, a condom, and mineral water. For more on making your own condom-based solar cell, watch this h...
If you work on your own car and don't want to get electrocuted, you should disconnect the battery before you do any major work. This video will show you how to do it quickly and safely, ensuring your continued auto maintenance safety.
Watch this video tutorial to see how to build a fun foam boffer sword! These boffer swords for any of your larping needs!
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, troubleshooting, electronic diagnostics, setting up, programming and finally... racing. As much as you know about these remote-controlled vehicles, it will never be enough, you'll always be looking for more...