How To: Calculate compound interest using a TI-84 and solver
This is a video tutorial in the Electronics category where you are going to learn how to calculate compound interest using a TI-84 and solver. Press the apps button on the calculator and press enter to load the TVM Solver which is the 1st choice. Here the meaning of various notations are N is time, I% is the percentage, PV is present value, PMT is payment, FV is future value and C/Y is compounding period. The problem is find the compound amount and the interest earned on $12,903.45 compounded...
How To: Make your own 6v battery pack for the Vivitar 285HV
You can make your own 6 volt battery pack for the Vivitar 285HV camera. The Vivitar 285 is known as the "cockroach" flash because it is well put together and it is very hard to kill the flash. Manual mode settings and the color setting are explained briefly. Instead of using four double A batteries to power this flash you can make your own 6V battery to power it. This is beneficial because the 6V battery will last longer and some of them have the ability to be charged up.
How To: Use a multimeter and check for ground
Learn how to use a multimeter to check for proper ground with help from this quick video. Also shown, is how to use a Fluke probe to pierce wires to test voltage. You can uses these practices when installing car alarms, fog lights, car stereo, and accessories.
How To: Print 2-sided (duplex) w/ an Epson all-in-one printer
The Epson video describes how to print two-sided on one piece of paper. When document is ready, go to "File" and then "Print". Click the "Properties" button and select Page Layout tab and turn on the two-sided printing option. Click "OK" in print window. Wait for Epson printer to complete the first page. Take paper, flip over and put it back upside down in the paper feeder. There are instructions that will pop out on screen for this. Click resume and the second page will be printed on the bac...
How To: Use a multimeter to test common household appliances
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.
How To: Load paper into a Kodak EasyShare G600 Printer Dock
This interactive Kodak printer tutorial takes you through every step necessary to fully load paper into a Kodak EasyShare G600 Printer Dock. If you have a Kodak EasyShare digital camera, you probably have one of these G600 printers, and you've probably had a problem with it, or not, like a stuck printer cartridge, but lets not get into that. Just follow this tutorial to see the steps to load paper into your G600. Let Kodak teach you how. Load paper into a Kodak EasyShare G600 Printer Dock.
How To: Navigate your Epson printer driver options
Your Epson driver controls your printer to your computer. You can change options to more suite your work. This video will demonstrate how to use the Epson priter driver.
How To: Remove a stuck cartridge on a Kodak G600 Printer Dock
This interactive Kodak printer tutorial takes you through every step necessary to fully remove a stuck cartridge on a Kodak EasyShare G600 Printer Dock. If you have a Kodak EasyShare digital camera, you probably have one of these G600 printers, and you've probably had a problem with it, like a stuck printer cartridge, so fix it yourself, let Kodak teach you how. Remove a stuck cartridge on a Kodak G600 Printer Dock.
How To: Hack someone's web cam or online security camera
This tutorial will let you hack into a wide selection of web cams and online security cameras. The hack is actually quite easy, and is best done with a browser like Mozilla Firefox. Navigate to Google in your browser, and then type in "inurl:viewerframe?mode+refresh". This piece of code will open up a list of active webcams. Then just surf through your choices and watch whatever you want. You can even change the camera angle and zoom in and out of the picture!
How To: Graph Mario on a TI-83 Calculator
When it comes to graphing and comparing functions, the TI-83 graphing calculator is the end-all device for math and science students. But one of the most entertaining aspects of Texas Instruments' powerful algebraic and trigonometric calculator is not the equations themselves, but rather the art that can be "equated" on them—just think of them as the mathematical equivalent of the Etch A Sketch.
How To: Troubleshoot common problems with a CD player
CD players are largely a thing of the past, but their audio quality is still top-notch. If your old CD player is broken, watch this video for ideas on ways to troubleshoot common CD player problems and repair them.
How To: Use Quick Connect Wireless with Epson projectors
In this tutorial, we learn how to use Quick Connect Wireless with Epson Projectors. First, make sure you have one cable connected to the projector and one cable connected to the computer with a USB streamline. This makes it much easier and more efficient to plug in your projector. As soon as you plug this in, you will see a message appear on your notebook, then the screen will star to appear on the projector as it does on the notebook. It will take a few seconds, depending on the monitor and ...
How To: Make a laser out of a lighter
Kipkay has a new cool project for you. In this video, you'll learn how to make a laser out of a lighter. All you need to do is a cheap butane lighter. Any one will do, including one bought from a convenience store. Just watch this how-to video, and you'll be playing with your laser pointer in no time at all!
How To: Strip your Casio fx-82MS calculator
Take a look at this instructional video and learn how to take apart a Casio fx-82MS calculator. First, you'll need to get a screwdriver the take off the calculator's backplate. Make sure not to misplace those screws afterwards. You should be able to see the motherchip after taking off the plate, this is the next item you'll want to remove. These screws are extremely small so it might be best to use a knife to unscrew them. Lift the motherchip and take out the rubber key pad off. To put it bac...
How To: Make your laser pointer run on AAA batteries
This video shows us the method to make your laser pointer work with AAA batteries. Take a metal casing made of metal. In the video, we take a Duracell mini flashlight and remove the front and back part. Unscrew the top and back of the laser pointer and remove the batteries. Roll some aluminium foil and put it in the metal casing. Put the AAA batteries in the casing with positive side inside. Put the casing and the laser pointer together and the laser works. Bind the two together by two rubber...
How To: Use magnetic card readers and writers with your PC
Magnetic card readers can make e-transactions far simpler, especially for people who are running their own small business. You can also watch this video to learn about card writers, which can let you create your own magnetic cards (such as a membership card) to track your customers' activity.
How To: Make a night vision device
Ever wish you could see in the dark? Well, you can't but this how-to will show you a way to build a device to help you out. You will need light polarizors, a flashlight, and a digital camera. Make an infrared night vision device, just follow along with the steps in this video tutorial. Now you can see at night!
How To: Print on various media types with Epson Artisan 810
Epson sells many different digital imaging products, including ink jet printers and all-in-ones, digital photo printers, multimedia projectors for business, education, and home entertainment, scanners, digital photo viewers, professional imaging/wide format printers, and more. Check out this video to learn how useful and versatile your new Epson Artisan 810 all-in-one printer can be.
How To: Resurect your dead lighter
Need some fire in a pinch? Try this trick. It really works! 1 bad lighter + 1 bad lighter = 1 GOOD lighter.
How To: Make a burglar alarm
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.
How To: View a waveform of an inverter on a oscilloscope
Checking the waveform on a car plug-in inverter, like the type you would use to power a laptop computer in a car. I used my NLS MS-215 Miniscope to view the waveform. As you can see it is much more like a squarewave than a sinewave, like a staircase waveform.
How To: Make an electromagnet with household items
Playing with magnets can be fun for people of all ages. Making your own magnets can also be a great way to keep yourself and young ones entertained as well. This tutorial will take you through the motion of making an electromagnet using items that are regaularly found within your home. Enjoy!
How To: Buy a massage chair
Are you interested in buying a massage chair for your home or office?Massage chairs have built-in electric rollers, nodes, and air bags, all designed to emulate the fingers and hands of a massage therapist.
How To: Make a persistence of vision device
Make a cool indoor decoration with the persistence of vision (POV) kit. While the first part of the video is a demenstration of what the POV kit does, in the second half of the video, Bre Pettis shows you how to make one.
How To: Make a burning laser pointer that produces heat
In this video tutorial, viewers learn how to make a burning laser pointer. Users will just need a regular 5Mw green laser pointer. Begin by unscrewing the top of the laser pointer and take out the batteries. Carefully with a pair of pliers, break the glue seal and remove the laser. Using a micro screwdriver, make sure that the screw on the laser is tight. Now using a soldering iron heat the 03 component shown in the video for a few seconds. Then assemble the laser back together. This video wi...
How To: Play tetris on a simple Canon calculator
This "how to" works with some Canon calculators. By entering a specific code you can play a very simple form of the classic video game Tetris! Have Fun :) Play tetris on a simple Canon calculator.
How To: Begin circuit bending
Looking to get into the weird world of circuit bending? In this four part video tutorial geared towards beginners, learn in thirty minutes how to circuit bend. Tools you will need include a soddering iron with innerchangeable tips (thin pencil preferred), thin sodder, hook-up wire, a wire cutter, a wire stripper, a drill with drill bits, plyers (needle nose included), and screw drivers of various small sizes. Other useful tools include cresent wrenches for toggle switches, jewelers files, & a...
How To: Use a TI-84 calculator as an MP3 Player!
With the help of a program called TItunes & standard earbuds (and adapter) we can listen to music played by a TI84! Mod you calculator to play music. This only works on a TI84, not a TI83.
How To: Make a simple toy motor
It’s just a few steps to make a toy motor. Take a battery of any brand, then take two safety pins. Attach them to both the sides of battery as they act as positive and negative. Then take a magnet, keep it on the battery. Now take a strip, which is rolled into a circle, and take two leading wires from it. Then keep this strip in between the safety pins and just start it up by rotating to one side. Then leave it aside, it rotates continuously.
How To: Use a metal detector to find gold and gold nuggets
This video will show you how to use a metal detector to look for gold. There are gold nuggets in rivers and hillsides all over the United States, waiting for you to find them. With the proper equipment and a little know how, you can strike gold!
How To: Build a MAME bar-top arcade cabinet for under $100
Part of the process is to create plans to follow when making the cabinet for the arcade game. when cutting the wood you need to allow for the 1/8th of an inch that the band saw will be cutting. You will also need a piece of plexi glass to give the game an authentic feel, spray paint the piece of plexi. You will also need joysticks and buttons, which you can get at happcontrol.com. You need to cut a square hole in the plexi so that the buttons can be mounted in it. To integrate the buttons you...
How To: Transform Multiple Screens into One Big Virtual Display
The Junkyard Jumbotron is an amazing project that allows a collection of random web browser enabled displays—laptops, smartphones or tablets—to share a single image split across the group, creating one large virtual display. Created by Rick Borovoy at MIT's Center for Future Civic Media, the app is completely free and open, meaning you can do it yourself in a matter of minutes. It works like this:
How To: Program a calculator with basics
If you've ever had a little trouble trying to program your calculator, you may find a little relief with this four-part video tutorial. Here, a Texas Instruments (TI-84 Plus) calculator will be used to explain the programming process. The four parts include:
How To: Build a birdwatching digiscoping adapter
Take a look at this tutorial and learn how to build your own birdwatching digiscoping adapter! All you need is a strong plastic 1,5 litre soda bottle, tape, a hose clamp, and some rubber. It´s cheap and works just as good as the expensive ones that you can buy.
How To: Start using Sony's new Internet TV Blu-ray Disc player with Google TV
Google TV is a revolutionary new way to enjoy your two favorite things in life— Internet and TV. And Sony just happens to be the first company to design television products powered by Google, like their Internet TV Blu-ray Disc Player (Model NSZ-GT1). If you're thinking of getting one, this video provides a hands on, showing you how to use the new Sony Internet TV, paired with practically any television.
How To: Use an external hard drive for extra storage with your AppleTV
Movies, TV shows and other media content can fill up even the most generous hard drive quickly. You can use MediaUSB on aTV Flash to connect an external USB drive to your AppleTV for extra media storage capability, and this tutorial shows you how. Make the most of your Apple TV!
How To: Set up the tone arm of a record player
In this how to video, you will learn how to set up a tone arm on a record player. First, you will notice the counter weight at the other end of the tone arm. Remove this first. Set the dial set to zero and have the lever pushed forward. Slide it on and lift the arm off of its rest. Play around with it until the arm floats. The next thing to do is to balance the cartridge. Many cartridges have different weight requirements. If you do not have the weight set up behind the arm, you cannot use di...
How To: Record a song demo with the PreSonus AudioBox USB audio interface
In this video tutorial, we learn how to record a song idea with an AudioBox USB digital audio interface. Whether you're new to PreSonus' DAW or new to digital recording more generally, you're sure to find much to take away from this free video software tutorial. Take a look.
How To: Troubleshoot refilled printer inkjet cartridges that won't print
If you've gone through the process of refilling your ink cartridges and your printer still isn't printing, don't get your hair in a bunch, watch this video! This video will give you some tips on how to get that old print cartridge working again for your Brother MFC-240C. This video uses rubbing alcohol and soft cloth.
How To: Use a Scosche flipSYNC key fob USB cable
Need some help figuring out how to use a Schosche flipSYNC key fob USB cable? This brief video tutorial from the folks at Butterscotch will teach you everything you need to know. For more information, including detailed, step-by-step instructions, and to get started using your own flipSYNC, take a look.
Next Page
Prev Page