Hot Electronics Posts

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: 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: 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: Set up a hidden camera system

This video shows you how to set up a mini wireless spy cam. Where you put it is up to you. Who you spy on is up to you. If you're wanting to keep an extra set of eyes on someone, watch and learn. So whether you're looking to put a camera in your bathroom or garage, go for it.

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: 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...

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: 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: Set up a Canon 7D for slow motion

In this video, learn how to set-up a Canon EOS 7D camera for slow motion. Learn about the settings you need to use to prepare to shoot in one of the high speed modes. To see more of the videos on this subject, check out the parts below, especially on processing the slow motion film.

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: Build a DIY 1080p HD projector

Projectors can be pretty pricey. 1080p projectors even worse. If that isn't reason enough for you to build your own, then what is? Systm shows you the complete, detailed process of building your own 1080p HD projector, so pay attention and take some notes!

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: 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: 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: Use a digital camera as a webcam for Skype

In this video tutorial, viewers learn how to use a digital camera as a webcam on Skype. Users will need the AV cable and a USB capture device. Begin by connecting the AV cable to the USB capture device. Plug the cable to your computer and your digital camera. Users will need to download and install the Debut Video Recording software. Open the program and click on Device. Users may have to go to Options and configure the settings. On Skype, right-click the person you want to call and select Sh...

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: Operate the Nikon D90 digital camera

Watch this instructional video brought to you by Nikon's Digitutor to learn how to operate the Nikon D90. This Nikon D90 video tutorial demonstrates how to attach the camera strap, use basic features and use the different shooting modes (auto mode, flash photography, scene modes, P, S, A, and M modes, and adjusting settings). Use this Nikon D90 tutorial to familiarize yourself with your new digital camera. Operate the Nikon D90 digital camera.

How To: Connect your laptop or PC to an LCD or Plasma TV

Have you ever wanted to play on your computer on your Plasma TV? If so, this is the video for you. This tutorial teaches you how to use the Plasma TV as your computer screen. With its simple instructions and detailed explanations, you will learn how to turn your Plasma TV into a giant computer screen. In addition, this video teaches you how to identify all of the equipment you will use to make your Plasma TV become a computer screen. By the end of this video, you will be able to experience th...

How To: Program an RCA universal remote control

If you want to program an RCA universal remote control, you can follow this professional's advice. Make sure the batteries are in place, and turn on the device you want to control. On the top row of the remote control, there are buttons labeled with the names of different devices. Press the button for the device you want to program, and press ON/OFF button at the same time. The light under the ON/OFF button will light up indicating you are in program mode. Press the play button on the lower p...

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: Hack an LCD screen & overhead into a digital projector

Digital projectors can be prohibitively expensive, particularly for those who stand to benefit the most from their use—that is, young people who prefer watch television and movies on their home computers. No longer. This hacker's how-to demonstrates how to make a simple digital video projector out of an old LCD flatscreen monitor and a slide, or overhead, projector. For detailed, step-by-step instructions on fabricating your own LCD/overhead digital projector on the cheap, take a look!

How To: Fix an iPod with a "folder & exclamation mark" warning

This video shows us how to fix an iPod that is displaying a folder icon and exclamation mark warning and does not function. The first thing you will need is obviously the iPod, typically the 1st Generation to 5th generation iPod. The second thing you will need is your sync cable, and also a wall charger. The first thing you have to do with the iPod is to reset the iPod by holding down the center button and at the same time hold down the menu button. After a few seconds without letting go the ...