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: 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: 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: 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: 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: Clean dried ink off print head nozzles on printer ink cartridges
If you're using refills or refurbished cartridges, then you know that one of the biggest problems that await you is your print heads getting clogged with dried ink, among other nightmares. This video will show you a couple of methods to cleaning your print head and getting it back into a functional state.
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: 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: Resize a Breitling watch bracelet
Here is a video showing how to resize a Breitling Watch Bracelet. If you have small wrists, or just like a loose fitting watch, just get a screwdriver and watch.
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: Set up and use the Sony Internet TV Blu-ray Disc player (NSZ-GT1 / Google TV)
If you've already gotten your hands on Sony's Internet TV Blu-ray Disc Player, powered by Google TV, then you know how powerful this thing is. But if you're thinking of getting one soon, this video series will help you learn what you'll be getting yourself into.
How To: Set a Rolex Day-Date President wristwatch
This video tutorial from Melrose Jewelers shows you how to set a Rolex Day-Date President wristwatch. Setting the Rolex Day-Date can be done with just a few simple steps. You will see how to set the day, the date, and time... just watch.
News: The Anti-Cheater Hidden Camera Wall Hook
WonderHowTo loves gadgets. We also tend to enjoy getting our hands (just a little bit) dirty. So, naturally, Brando's Wall Hook Coat Hanger Camcorder is the latest gadget to excite. Disguised as a coat hanger, the device is actually a camera triggered by motion detection. And paired with the see-all glass doorknob, your significant other ain't getting away with nothing...
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: 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: Skip commercials with your Comcast DVR remote control
In this tutorial, we learn how to skip commercials with your Comcast DVR remote control. First, press the cable button, then press and hold the set up button until the cable button blinks twice. Now, enter in "994" on your remote. After this, the cable button will blink twice again. Now, press the setup button again and type in "00173", then press a button you don't use a lot. Now, the cable button will blink again. Now, turn on a show you have recorded and it will just through the commercial...
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: Set up Google TV on Sony's Internet TV Blu-ray Disc Player
Sony's new Internet TV combines the power of Google TV and television into a neat and accessible package. And setting up your new Google TV is a cinch. This video walks you through the quick setup process for getting your Google TV system going. The player in this video is model NSZ-GT1.
How To: Build the Pixie 2 ham radio
If you just purchased the parts for building the Pixie 2 ham radio, but have no idea what to do, then this tutorial should help.
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: Build a small DIY hydrogen fuel cell science experiment
The hydrogen fuel cell has great potential to replace carbon-based fuels in our vehicle fleets and stave off global warming. It's a difficult concept intellectually, so why not make this fun little science experiment to try it out for yourself? Yes, by following these simple instructions you can make a small hydrogen fuel cell at home that will even power some devices!
How To: Run Mac OS X on an AppleTV with an external hard drive
You can get OS X running on your AppleTV without having to open up your system - all you need is an external hard drive. This tutorial shows you how to create a hard drive on your partition and create a file modification to allow OS X to boot on an Apple TV.
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: Load fine art paper into your Epson Stylus R1900 printer
While this video uses only a particular model of printer and only one style of paper, this tutorial will work for several different varieties of paper and printer. Just follow along with the tutorial to make sure you've loaded the paper properly for highest quality printing.
How To: Clean a cassette player
Learn how to clean a cassette player. Cassette players may be outdated, but if you've still got tapes, you're going to want to keep them in good condition.
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: 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: 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: Set up an X10 spy camera
The spy camera shown in this how-to video has a 60 foot cable, and is full color and has audio. This spy cam can be used as a security device, or to feed paranoid delusions or stalking urges. Watch this video tutorial and learn how to set up an X10 spy camera.
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: Repair headphones by soldering
Teaching the basics of soldering, you should be able to learn how to fix broken headphones. There should be two wires protected by a covering, one which is a silvery metal and an orange wire which is your copper wire. Taking the plate for your speakers, there should be two connections where the wires belong. Using your soldering material, melt some onto your soldering gun and apply it to the two sites of the connection on your speaker plate. Place your wires on the correct areas and carefully...
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: Hack your AppleTV with a USB stick to run Boxee
This useful step by step tutorial shows you how to download the ATV USB creator, which will allow you to create a patch stick for your AppleTV. Once you load this usb stick onto your Apple TV, you'll be able to run Boxee and get streaming Internet content directly to your Apple TV.
How To: Make a microphone wind screen for a Zoom H2
For anyone who has ever used a microphone, trying to record something during a windy day can be a bit of a pain. Of course we can eliminate most of the interference with a simple wind screen that can be purchased at the store, but many times they can be a bit pricey. Well, in this tutorial find out how to make your own wind screener for a Zoom H2 mic. Enjoy!
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: Remove a stuck cartridge on a Kodak G610 Printer Dock
This interactive Kodak printer tutorial takes you through every step necessary to fully remove a stuck cartridge on a Kodak EasyShare G610 Printer Dock. If you have a Kodak EasyShare digital camera, you probably have one of these G610 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 G610 Printer Dock.
How To: Make a musical electric toothbrush
This tutorial video will show you how to modify an electric toothbrush so that it will play the radio through your skull while you brush your teeth. This handy device is similar to the store bought models but you could hook it up to any audio source (For example: ipod, mp3 player, radio).
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