Hot Electronics Posts

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: 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 ...

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: Format a memory card with a Panasonic G1 or GH1 camera

Learn how to format a SD memory card using a Panasonic G1 or GH1 digital camera. 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 format a memory card when it's in a G1 or GH1 camera. For more information, including detailed instructions, watch this digital camera user's guide.

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: Sync an iPod with the Xbox 360

Do you want to know how to sync an iPod with the XBox 360? You must have an iPod and a XBox 360. Connect your iPod with your XBox with the USB cable. Transfer the files from the iPod to the XBox XBox helps play AAC format as well as MPEG movies. The iPod must be connected to the portable device section. This will help you share movies, music, pictures and other data and you can even copy the downloaded data to your iPod from the Xbox.

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: 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: Fix the earphone jack on an Apple iPod Classic

Accidents will happen. This brief how-to will guide you through the process of fixing a broken headphone jack on an Apple iPod Classic quickly and efficiently without damaging any of the other components. 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: 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: 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: Set up a Panasonic Lumix G1/GH1 for product photograpy

Learn how to optimize a Panasonic G1 or GH1 for product photography. 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 product portraits with a G1 or GH1 camera. For more information, including detailed instructions, watch this digital camera user's guide.