Hot Electronics How-Tos

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: Rip DVDs to build a movie jukebox home theater server

Want to play your video collection on any media extender, console or AppleTV? Step one is to get your movies off of the DVDs and onto your hard drive! If you're like most people you probably have a huge library of DVDs that you've bought and collected over the years. Unfortunately, it's an inconvenient format if you want to playback all that content anywhere around the house. So, learn how to rip and encode that stack of DVDs into a format that you can play on your Windows Media Extender, set...

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: Simply use a flash on a Nikon DSLR

There are a lot of things that a flash can do for you when you are taking pictures. It can be used to fill shadows, light up subjects, and much more. The video demonstrates the various tilt and pan settings that the flash can be used in for bouncing light in various circumstances. Ceiling bounce tends to add unwanted shadows under the chin and eye brows when doing portraits. The side bounce from a pan adds light from a specific direction. Flashes have different modes to offer including pre-fl...

How To: Turn off your iPod Nano or iPod Classic

You can turn off both the iPod Nano and the iPod Classic the same way. To turn it off you have to push a button on the click wheel of the iPod. You will push and hold the play pause button until the iPod goes off. The play pause button is the one that has the two lines and the triangle side by side. Once you have held them down and the iPod has gone off then there is one more thing you need to do. On top of the iPod there is a lock button just move that button to the lock position and you are...

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: 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: Fix an iPod that shifts from logo to battery warning

This video shows how to fix an iPod which is stuck in a loop between battery warning to the apple logo. You will learn how to fix your iPod by watching this video. The procedure used in this video is to sync the iPod to the computer. Lock the iPod in disconnect mode so you can let it charge. You then wait for it to charge. You then tell I-tunes to restore the iPod to factory settings. If these steps don't work you need to replace the battery.

How To: Connect a laptop or PC to your TV with an RGB cable

In this Electronics video tutorial you will learn how to connect a laptop or PC to your TV with an RGB cable. Take your RGB cable and plug it in to the back of the TV as shown in the video. You can also do this with the HDMI cable. Now take other end of the RGB cable and plug it in to the laptop or PC. Then you right click on your desktop, go down to graphics options > output to > monitor. Now you have to change the input to your TV. This will depend on the make and model of your TV. Once tha...

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: Fix an iPod with a "sad face" warning

In this video, harrymedan offers a do-it-yourself remedy to fix an iPod that has the "sad face" warning screen on it. As you follow along, he explains all the tools and supplies you will need to get started on this project. He demonstrates how to force the iPod into disk mode, leading you through, step by step. Once you achieve this he tells you how to connect the iPod to your computer and "Restore" the iPod back to factory settings, which usually fixes the problem.

How To: Operate a Nikon D700 camera to its maximum potential

Nikon's D700 digital camera provides FX-format performance combined with superior mobility and functional versatility. Check out this extremely helpful Flash video tutorial on how to operate your Nikon D700 digital camera to its maximum potential. You will learn all about taking photo portraits, moving subjects, small subjects, landscapes, taking photographs under low light, flash photography, and using the picture controls. Also, learn about the ISO sensitivity, continous release modes, the ...

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: Shoot night landscapes on a Panasonic G1 or GH1 camera

Learn how to optimize a G1 or GH1 digital camera for night shooting. Whether you're the proud owner of a Panasonic Lumix DMC-G1 or DMC-GH1 micro four thirds digital camera or perhaps just considering picking one up, you're sure to like this free video tutorial, which presents a complete overview of how to shoot terrific nighttime landscapes with a G1 or GH1 camera. For more information, including detailed instructions, watch this digital camera user's guide.

How To: Operate the Nikon D3 digital camera

Watch this instructional video brought to you by Nikon's Digitutor to learn how to operate the Nikon D3. This Nikon D3 video tutorial demonstrates how to use the highlighting features, the taking pictures in mode P, the playback and deletion, the ISO sensitivity, the auto ISO sensitivity control, choosing ISO sensitivity, continuous high speed release mode, AF-area focus mode, choosing a focus point, taking pictures in live view, live view set up, live view hand held, live view tripod, active...

How To: Make a pinhole lens for a digital camera

In this video tutorial, viewers learn how to make a pinhole lens for a digital camera. The materials required for this project are: a camera body cap, X-acto knife, black tape, small drill bit, sewing needle and sand paper. Begin by marking the center of the body cap . Then drill a hole in the center and punch a tiny hole in the center of the sheet metal. Now cut around the sheet metal and sand it flat. tape the metal piece inside the cap and darken it with ink. This video will benefit those ...

How To: Reboot an iPod Touch 2G after shutdown

This instructional video shows you how to reboot your iPod Touch 2G after shut down. First shut down the device and plug it to a computer via USB. Use the links in the description if you have the newest version of OS X. Put the device in to DFU mode by holding the home and power key for 10 seconds, letting go of the power key keep holding the home key. Download the RSlite folder from the link in the description. Open the terminal, change the directory to the Rslite folder and type the code re...

How To: Take apart a 3rd generation Apple iPod generation Nano

This how-to video serves as a disassembly guide for MAC's 3rd generation iPod Nano, breaking it down into the pieces: display, battery, logic board, housing, cables, etc. If you're determined to do your own iPod repairs, installations, or modifications, at least follow some advice on you to open up the Nano without causing damage. You will need a Phillips head screwdriver, a black stick, a plastic pick, and a chisel tip screwdriver. Watch this video iPod tutorial and learn how to take apart a...

How To: Repair a blown subwoofer

OK, you've done it, you've blasted your DJ set just a little too loud and now your speakers are dust. Well, before you rush out and replace them, why not try repairing them on your own? That's right, with this how to video you can take the necessary steps and breath new life back into that fried speaker. You'll need a soldering iron, the appropriate gauge wire, and some time. This project isn't quick and it's not necessarily easy either, but you'll feel good when you've saved your speakers. B...

How To: Solve the blinking "FEE" error message on a Nikon DSLR

In this video, it is demonstrated how to get rid of a "FEE" error message on a Nikon DSLR camera. The solution is fairly simple and quick to do. First you will want to turn your camera on to where you see the "FEE" error message on the LCD screen. Next, you will set the camera's aperture ring to the highest number available. After this, the last step is to lock the aperture ring by using the switch. After doing this step, your camera should return back to normal working order and the "FEE" er...

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: Hack a VHS Camcorder into a Night-Vision Headset

Watch as Kipkay hacks a bulky VHS camcorder and turns it into a night vision headset. This video tutorial will show you that old technology can still be useful in today's world. Just think, you might not have ever been able to see in the dark corners of the night without this hacked VHS camcorder. Night vision isn't just for the military, it's for you, and me, and your dog...

How To: Clean the camera contacts on a DSLR

When the camera has trouble auto focusing the first step to take is to clean the contacts on the lens. If it continues then the contacts on the camera may need cleaning. When you clean the contacts in the camera you have to be extremely careful because they are inside the shutter chamber and there are a lot of small parts that can be easily broken in there. Face the camera down at all times during the cleaning procedure. Take the battery out of the camera and remove the lens. Put the rear cap...

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