Hot Electronics Posts

How To: Make cool halloween projects to scare guests

Systm is the Do It Yourself show designed for the common geek who wants to quickly and easily learn how to dive into the latest and hottest tech projects. We will help you avoid pitfalls and get your project up and running fast. Search Systm on WonderHowTo for more DIY episodes from this Revision3 show.

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: 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: 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...

News: The Anti-Cheater Hidden Camera Wall Hook

WonderHowTo loves gadgets. We also tend to enjoy getting our hands (just a little bit) dirty. So, naturally, Brando's Wall Hook Coat Hanger Camcorder is the latest gadget to excite. Disguised as a coat hanger, the device is actually a camera triggered by motion detection. And paired with the see-all glass doorknob, your significant other ain't getting away with nothing...

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: 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: 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: Fix a frozen iPhone or iPod with water damage

In this video tutorial, viewers learn how to fix a frozen iPod or an iPod with water damage. Begin by shifting the iPod into hold mode. Then push back the hold switch. Now hold the center and menu button until the apple logo appears. To take care of water damage, put the iPod in a bag of rice for about 1 day or as much time needed until the water is completely gone. This can also be done with other water damaged electronics. This video will benefit those viewers who have an iPod and want to l...

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: 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: 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: Shoot HD video on a Canon EOS 7D DSLR camera

Eager to make a foray into the world of high-quality HD video with a Canon EOS 7D or Rebel T2i DSLR camera but don't know one end of the kit lens from the other? Never fear: This nine-part video tutorial offers a number of useful pointers for would-be shooters, discussing everything from basic camera handling and lens selection to exposure and white balancing options. For more information, and to get started shooting cinematic, high-definition digital video on your own Canon 7D or T2i (550D),...

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: 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: 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.