Hot Electronics Posts

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: Fix a compact disc player drawer problem

When CD and DVD players stop working, it's usually because of the drawer not opening and/or shutting. For this CD player, the problem turned out to be a broken belt between the motor and the wheel that has the gear that opens the drawer. Look at these two video tutorials to see how easy it can be to fix, by replacing one belt with a rubber band.

How To: Transmit files wirelessly on the Canon EOS 7D

You can easily share and transport your photo and videos on the Canon EOS 7D by using the wireless file transmission option. See exactly how sharing and downloading your files to computers and other devices works in this video. When the digital SLR camera is combined with the WFT-E5A Wireless File Transmitter, transmitting is easy.

How To: Connect a laptop to a TV using an S-video cable

Have a laptop and a TV? Want to use your laptop on the bigger screen? Well, here's how. This video offers the viewers a detailed step by step explanation on how to connect their laptop to their TV and to use their TV as their new laptop screen. More specifically, this video offers the method for anyone with an S video cable and HDMI connection. The instructions are clear and precise, and viewers should have no problem connecting their devices after this.

How To: Set up the D80 pop-up flash as commander for Nikon CLS

These are the steps required to set your D80's pop-up flash. First, go to the "Custom Shooting Menu." Then you choose #22 on the screen: "Built in Flash." Choose the "Commander Mode" option. The modes that are available for the pop-up flash include TTL, AA (Auto Aperture) M (Manual) and Off (no flash). If you are using an external flash unit, you use either group A or B. The light frequencies and proper settings are related to how much light compensation is needed. +3. 0 is high power, 1. 1 i...

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: Restore your iPhone or iPod to factory settings

If something happens to your iPod or iPhone and you can't remedy it with a reboot, you will need to restore your device to factory settings. This is not difficult to do and requires only your computer and your device. You should only restore your iPod to default if absolutely necessary, because you will lose all of your files and folders. Make sure you backup your music and photos before you do it! Good luck!

How To: Fix a convergence problem on your rear projection TV

In this tutorial, we learn how to fix a convergence problem on your rear projection TV. First, go to the menu on your television and see if you can fix the convergence through this. If this doesn't work, then try replacing the STK IC's that are inside of the TV. This will require you to take the television apart and find where the convergence board is. Once you find this, disconnect all cables and remove the bored. You will see two STK IC's attached to their heatsinks. After you find these, r...

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: 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: Use zoom and telephoto lenses on a Canon DSLR camera

Need a primer on how to use zoom lenses with your Canon DSLR camera (a 7D, 5D, or Rebel T2i, for example)? 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 zoom and telephoto lenses on your own Canon digital camera, take a look.

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: 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: Repair Samsung lcd TV power clicking problem

This five part series teaches you how to repair your Samsung LCD TV power clicking problem. This video is probably best to for TV experts or those fearless TV owner. This video walks you through the steps of giving your family entertainment center some at home surgery. The instructor with careful instructions and with your TV's safety in mind walks you through everything you need to know fix this pesky problem.

How To: Make a digital television antenna

Analog TV will stop all broadcasts on June 12, 2009. If you're not ready yet for the transfer from analog to digital, you bet get ready. You can buy a digital convertor box and a digital antenna for your analog television, you can but a digital antenna for your DTV-enable television, or you can save some money an build your own antenna! This video tutorial will show you how to make a digital television antenna with some coaxial cable, an empty coffee can, a hammer, a nail, and some duct tape ...

How To: Make a DIY video remote for Canon DSLR cameras for under 10 bucks

If you have a Canon digital camera and plan on shooting video with it using a camera rig, then you'll want a good way to control your recordings with a start/stop button. A remote control is the way to go, but don't spend all that money— make your own! The remote in the video is hardwire into the camera and onto the rig for easy handling. You'll need your Canon 5D MK II HD DSLR (but it will work on other Canon models, too), a Canon RC-6 Remote Control (or generic brand), fiber optics cable, w...

How To: Reset and restore an iPod Nano to factory settings

This video tutorial shows you how to reset your iPod to the factory default. This is something most iPod users could find useful. Sometimes when playing files through your iPod it will begin to skip, not work properly, or it will even have a corrupt file. This being said a reset of your iPod will bring it back to square one and get rid of these problems. Using these few steps shown in the video will reset your files and most likely, fix your problems. With this being said, its wise to make su...

How To: Download music using Safari on your iPhone or iPod

The viewer learns how to download music on their iPhone or iPod using Safari. The video starts with the instructor talking about what it was that made him decide to use Safari to download music. The speaker uses a lot of profanity in his intro and the instructional part of the video does not start until 3 min into the video. The video/audio quality is poor at times. The instructor will show you in a step by step manner. If the viewer follows the instructions (and ignores the extra blah blah b...

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: Safely remove scratches from an Apple iPod

This video shows the process of removing scratches from an iPod. The video demonstrates the best way to remove scratches not only from the metal but from the front viewing screen also. One starts with the recommended Weiman Metal Polish and 100% cotton cloth. To achieve best results and a scratch free finish, the video also gives tips like shaking the polish before use. Your iPod as well as any other similar piece of equipment will look scratch free and as good as new by following these simpl...

How To: Solder speaker lead wires

In this video tutorial, viewers learn how to solder speaker lead wires. Soldering is a process in which two or more metal items are joined together by melting and flowing a filler metal into the joint. Viewers are shown how to solder speaker lead wires to the terminals. This video also shows how to solder two wires together and how to solder a wire to a slip on terminal. This video will benefit those viewers who want to learn how to solder and be able to repair other electronic devices.

How To: Clean your game disc, DVD or CD with household items

In this instructional video, the young host demonstrates an excellent method for cleaning your DVD's, CD's, and Game discs using simple, easily found items that you always have laying around your house. The toothpaste he uses acts as a super mild abrasive (almost exactly the same that is used in professional kits, except they don't get the benefit of a minty fresh smell) that removes minute dirt and debris that gets stuck on the disc. When cleaning your discs, be sure to rub the toothpaste in...