Hot Electronics Posts

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: 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:

News: The World's First Teensy, Weensy 3D Printed Bikini

For the hefty price of $200 and up, you can be the proud owner of the world's first 3D printed bikini. And not just the first bikini, but reportedly the first functional and affordable item of ready-to-wear 3D printed clothing on the market. Created by Continuum Fashion, the N12 3D printed bikini is revolutionary because it addresses the technical challenge of creating flexible "textiles" with 3D printed material. The bikini is made of a material called Nylon 12, which is entirely waterproof.

How To: Set up a mini hidden camera easily

This video shows you how to set up and hide mini wireless spy camera. 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. Whether it's your bathroom or kitchen, put your eyes on the prize.

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 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: Put an Apple iPod Classic into diagnostic mode

Need some help figuring out how to put your Apple iPod Classic into diagnostic mode? It's easy! And this iPod user's guide will show you how it's done. It's so easy, in fact, that this video guide can present a complete, step-by-step overview of the process in under four minutes. For details, and to get started testing and troubleshooting your own iPod, take a look.

How To: Use the Nikon SU-800 Commander

This video tutorial is going to show you how to use the Nikon SU-800 Commander speed light. It requires only one 123A 3V Lithium Battery. A tiny switch allows you to switch between close-up. Another flash can be connected to it by a long cord. SEL button allows you to select. With the left and right arrow buttons increase or decrease the flash power. You will use the MODE button to program the speed light. TTL is for through the lens, AA for auto aperture, M for manual and so on. Watch the fu...

How To: Deep clean your vinyl LP records with steam

This video shows a method of cleaning LP records using steam. He uses a Perfection steamer and a record cleaning machine with vacuums, along with a set of brushes, Disc Doctor cleaner, and laboratory grade water. He uses distilled water in the steamer. He turns the turntable on, applies the cleaner, spreads it with a brush, and applies the steam while the record turns. After the steaming is done, he continues rubbing it with the brush, and turns on a vacuum. Next he runs the steamer of the re...

How To: Set date and time on a Kodak EasyShare digital camera

This interactive Kodak EasyShare camera tutorial takes you through every step necessary to setup the time and date for your pictures and videos. If you have a Kodak EasyShare digital camera, you're going to need to know how to do this important step in maintaining and using your camera. Let Kodak teach you how. It's easy to set the time and date for great record keeping of your photos and videos, and is basically the same on all Kodak EasyShare digital cameras. Set date and time on a Kodak Ea...

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: 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: Restart a frozen iPod Nano (5th Gen) with the Menu & Center buttons

One problem that happens quite frequently with most Apple iPod products is freezing. Nobody likes a frozen screen, because you can't do anything! Well, if you have an iPod Nano (5th Generation), then this video will show you how to reset and restart it 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: Tell whether your iPod Video is 5G or 5.5G

If you have a moderately old iPod and wish to perform some digital manipulation on it, you'll want to know exactly what version of the device it is. This video demonstrates a trick for determining simply and quickly whether an iPod video is the 5G or 5.5G version of the unit. All you have to do is open the music folder and see if there is a search tool or not! Who knew it was so easy?

How To: Fix an iPod with corrupted files on a Windows PC

In this video tutorial, viewers learn how to fix an iPod with corrupted files on a Windows PC. To fix the corrupted files on an iPod, users will be resetting their iPod. Begin by holding the center and Menu button for about 10 seconds until the screen on the iPod turns black. Then immediately hold the center and Play/Pause button until a check mark appears on the screen. To prevent an iPod from getting corrupted files, do not disconnect an iPod when it is connected to the computer. This video...

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: Reset your 2nd gen iPod Nano

This is an Electronics video tutorial where you will learn how to reset your 2nd gen iPod Nano. The video plays a song for more than half the duration of the video clip. Then the presenter of the video clicks through the song and the iPod Nano breaks down. To reset it is a very simple and easy process. All that you got to do is to press set on the lower bottom of the control ring. Then wait for a little while and allow the iPod to reset. When it comes back on, select your song and play. You c...

How To: Reset your iPod nano

Learn how to reset your iPod Nano from this video in simple steps. First check whether your iPod is on hold or not and turn it off if its on hold. Now press the select button and the menu button simultaneously for about ten seconds. Hold them until it turns off and release them when an apple logo comes out. Now wait for a few seconds until it turns on again and your iPod is reset and ready to use.

How To: Select the AF points with the Canon 40D

Watching this video will teach you a couple different ways to use the auto-focus function on your Canon 40D camera. You can set the auto-focus to the same for every shot, or you to change it for every shot very easily. Whichever one you choose, this video makes it easy to understand.

How To: Operate the Nikon D80 digital camera

Watch this instructional video brought to you by Nikon's Digitutor to learn how to operate the Nikon D80. This Nikon D80 video tutorial demonstrates how to use different solutions for various shooting situations, search from control panel, search from viewfinder, use the caerma body: front, top, back, maulti selector and mode dial, attach a lens, insert the battery, set the time and date, insert a memory card, format a memory card, adjust the viewfinder focus, use different shooting modes suc...

How To: Open an iPod Video, Classic, and Nano

This video will show you how to open up iPod Video, Classic, 3rd generation, 4th generation and Nano 1st and 3rd generations. If the Apple warranty no longer covers your iPod, it may be more inexpensive to do simple repairs yourself, instead of purchasing a new iPod. The first step to any repair though, is getting the iPod open without damaging any of the pieces. Watch this video iPod tutorial and learn how to open the case on your iPod Video, Classic, 3rd generation, 4th generation and Nano ...

How To: Email pictures and videos on a Kodak EasyShare camera

This interactive Kodak EasyShare camera tutorial takes you through every step necessary to email pictures and videos. If you have a Kodak EasyShare digital camera, you're going to need to know how to do this important step in maintaining and using your camera. Let Kodak teach you how. It's easy to send those videos and photos to your loved ones from your camera connected to your computer, and is basically the same on all Kodak EasyShare digital cameras. Email pictures and videos on a Kodak Ea...