Hot Electronics Posts

How To: Use the RPT mode on a Nikon SB-800 and SB-900

This is an Electronics video tutorial where you will learn how to use the RPT mode on a Nikon SB-800 and SB-900. Repeat mode gives a flashing strobe effect with which you can take multiple shots in one single long exposure. In Nikon SB-800, switch on the flash and select the RPT mode. The video then demonstrates the various selections available in the RPT mode. In Nikon SB-900, again switch on the flash and select the RPT mode by pressing on ‘mode’ button. The video then goes on to demonstrat...

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: Turn your iPod Nano 4G off

MegaFastfinger shows us how to put your iPod Nano 4G on standby. You just press down on the play/pause button for a few seconds and the iPod will turn off, meaning it's on standby. To turn it back on you press down on the play/pause button for a few seconds and it will turn back on. To turn it off completely you need to press down on the center button, then the menu button and it will turn off. When you turn it on the apple logo should appear and you will know you've turned it off completely.

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: 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!

News: Revolutionary "Light Field Camera" Lets You Focus After the Picture Is Taken

Focusing has always been a problem with photographers, and even with today's digital cameras it's not easy. The most obvious problem is trying to accurately focus on the subject before exposure. Next, you have to choose the correct aperture size in relation to the depth of field, and make sure you're using the correct exposure. Then there's lens aberrations, where a certain ray of light does not converge to a single focal point in the desired image, resulting in some light leaking away from t...

How To: Restart a frozen iPod Classic or iPod Video with the Menu & Center buttons

If you still have one of the older iPods, like the iPod Classic or the iPod Video, then you might have some problems with them freezing up occasionally. If that does happen, this video will show you the quick steps to restarting your Apple iPod by pressing and holding the menu and center buttons. If you this doesn't work, you can try restoring the software via iTunes. If that doesn't fix the frozen iPod, then you'll need to contact Apple or a repair technician.

How To: Take apart and fix a 6th generation iPod Classic

In this how to video, you will learn how to open a 6th generation Ipod Classic. First, make sure to turn it off and make sure the hold button is on. Take a prying tool to undo the clips inside the device by sliding it in between the cover and back. Once the clips are undone, place thumb tacks on the sides and tops while popping the base out. Be careful, as there are cables inside that you do not want to break. The orange part is the battery while the blue object is the hard drive. Once you ma...

How To: Replace an iPod battery without any tools

This how-to video demonstrates an easy, no anxiety, no pain way to replace an iPod battery that will have your iPod running for the other 2 years. These video instructions are good for: Ipod Video 30,60,40,80GB or Ipod Classic 80,160GB; as they all have the same structure. Watch this video iPod tutorial and learn how to change the battery on an iPod without using any tools.

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: Fix broken home button on iPod touch

So you want to go home eh? Just can't seem to get there? Well, if you're dealing with a broken home button on an iPod touch this can be a frustrating challenge that can leave you wanting to hurl your device across the room. Well, worry no more. This video will get you home quicker than you can click your ruby slippers together. It's easy too, and doesn't require you pulling your device apart, soldering wires or buying replcement parts. Fortunately, the problem is a software one, so fixing it ...

How To: Fix the O-ring in a broken DVD player

If you have a broken DVD player and the tray door doesn't open when you press the button, this informative video shows you a possible quick fix to get it working again. In this scenario, the O-ring connecting the sprocket wheel with the motor has broken and snapped over use. This video shows how to open the case and access the internal sprocket wheel.

How To: Disassemble a third-generation iPod Classic (A1238)

Accidents will happen. This brief how-to will guide you through the process of disassembling, cleaning and reassembling a sixth-generation iPod Class (A1238) quickly and efficiently without damaging any of the components, the first necessary step of any successful repair or restoration. This tutorial will also be of use to those who wish to learn more about the guts of their iPods without actually disassembling their units.

How To: Fix a frozen iPod Classic or Nano

This video describes the procedure of how to unfreeze, or reboot, an iPod Nano or classic. When an iPod of the Nano or classic design is frozen (not in temperature), and has a stuck screen, the procedure of how to unfreeze the iPod Nano or classic requires the user to press down the middle button of the iPod interface, and the menu button of the iPod. Keep the buttons depressed for the duration of approximately eight seconds until the frozen screen goes away, and is replaced with the Apple lo...

How To: Turn a used TV into an oscilloscope

Leeann of Hierchiss explains how to turn a TV into an oscilloscope. Turn the TV on and make sure it works. First, unplug the power. Take the back off the television. Cut the four picture wires that attach to the circuit board. Strip the ends of the wires. Tape the remaining wires off to prevent short circuiting. Clamp the red and yellow wires and attach to a 1/4 inch jack which feeds into a tape player. Repeat the same process for the green and blue wires. Plug in the TV to make sure the conn...

How To: Get started with the Nikon D40 & Nikon D40x

It is a tutorial that explains the basic guidelines of Nikon D40 and D40x cameras. This enables everyone to take photographs successfully and prepare the camera for use. Attach the lens of the camera by rotating towards the right; make sure that no dust gets into the camera. Then remove the protective cap from lens and align the white dot on the lens with the white dot on the camera's body. Turn to the left until it clicks in to place. First, we must charge the camera's battery; when the LED ...

How To: Connect your laptop to an older version television set

First you need a CRT TV, one Laptop, Headphone jack, Male and Female RCA jack, and output and input male female jack. And than one is audio cable and another one is video cable, and than connect it to your TV video out and audio out, and another one are connect to Laptops video out and audio out. And to get the video quality is good let set the Graphics property on your laptop and there are one option to TV set graphics and set them. And set the Screen Resolution and video stranded, and then ...