Hot Electronics How-Tos

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: 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: Manually focus a Panasonic G1 or GH1 digital camera

Learn how to manually adjust lens focus when 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 focus a G1 or GH1 camera by hand. For more information, including detailed instructions, watch this digital camera user's guide.

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: Hack someone's web cam or online security camera

This tutorial will let you hack into a wide selection of web cams and online security cameras. The hack is actually quite easy, and is best done with a browser like Mozilla Firefox. Navigate to Google in your browser, and then type in "inurl:viewerframe?mode+refresh". This piece of code will open up a list of active webcams. Then just surf through your choices and watch whatever you want. You can even change the camera angle and zoom in and out of the picture!

How To: Print 2-sided (duplex) w/ an Epson all-in-one printer

The Epson video describes how to print two-sided on one piece of paper. When document is ready, go to "File" and then "Print". Click the "Properties" button and select Page Layout tab and turn on the two-sided printing option. Click "OK" in print window. Wait for Epson printer to complete the first page. Take paper, flip over and put it back upside down in the paper feeder. There are instructions that will pop out on screen for this. Click resume and the second page will be printed on the bac...

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: 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!

How To: Open up a 6th generation iPod Classic

In this how to video, you will learn how open an iPod classic. Notice that the sides of the interior of the bottom case have tabs. There are metal locking clips at the bottom of these. The plastic clips on the front cover engage these to lock the cover into place. This means you will need a pry tool in order to remove the cover. First, you will need to use the pry tool and insert it into the side of the device. Try to get under the clip and pry it from the front base plate. Work around the si...

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: 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: 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: 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: 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: Recover music from an iPod without software on a PC

In this video tutorial, viewers learn how to copy music and videos from an iPod to a computer. Begin by opening iTunes. Do not plug in your iPod device. Then click on Edit and select Preferences. This will make iTunes blind to the iPod. Now connect your iPod and open the drive folder. Click on Tools and select Folder Options. Now check the option "Show hidden files, folders and drives" and click OK. Then open the "iPod_Control" folder and open the "Music" folder. Now copy all the files into i...

How To: Access & use exposure compensation on a G1 or GH1

Learn how to find and set the exposure compensation function on a Panasonic G1 or GH1 digital camera. Learn how to set the auto mode on 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 find . For more information, including detailed instructions, watch this digital came...

How To: Open a 3rd generation iPod

Having trouble opening the third generation iPod? Don't give up! Check out this instructional electronics video that illustrates the simple process of opening a 3rd gen iPod. This video from ipodjuice.com demonstrates a technique that can be used to open even the most difficult 3rd Generation iPod battery installation. Change the battery on your iPod and start listening to music again today!

How To: Root Your Samsung Galaxy Camera with CF AutoRoot

As if Samsung's Galaxy series isn't already ruling the smartphone and tablet world, they've now moved on to digital point-and-shoots with their new Samsung Galaxy Camera. The smartphone/tablet/camera hybrid comes equipped with a 16-megapixel image sensor and a touchscreen equivalent to that of the Galaxy S3's size. Not only can you instantly upload photos and 1080p video to the social media of your choice, you can also surf the web and download apps from Google Play as you would any other And...

How To: Transfer songs from an iPod to iTunes in Windows Vista

In this tutorial, we learn how to transfer songs from an iPod to iTunes in Windows Vista. First, plug your device into your computer and open up iTunes. Minimize this screen, then go to your computer and find the music folder. After this, you will be able to see all the music that is saved to your computer. Next, take this folder and highlight all the music that is in this. After you do this, paste this into your iTunes and it will then start to load all the music. Give it a few minutes to fi...

How To: Take panorama photos with a Panasonic G1 or GH1 camera

Learn how to stitch multiple pictures into a panorama when 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 create eye-catching panoramas with a G1 or GH1 camera. For more information, including detailed instructions, watch this digital camera user's guide.

How To: Replace a broken iPod click wheel

If your iPod click wheel needs to be replaced, don't fret. This "how-to" video teaches you a quick and easy way to fix it. In no time you'll think yourself to be an apple expert, and able to enjoy your music and videos again. This tutorial works best for fourth, fifth or sixth generation iPods.

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: Add and remove icons and apps on an iPod Touch

This video is in the Electronics category and you will learn how to add or delete applications and icons to your iPod Touch. First, if you want to add something, go to Safari. If you want to add the iPod Touch bookmark to your home page, go down to where it says ‘add’ and press it. Then select ‘add to home screen’, give it a name and press ‘add’. That’s it. In order to delete something, press down any icon till all icons start to wriggle. Then press the small circle on the left hand top corne...

How To: Make your own 6v battery pack for the Vivitar 285HV

You can make your own 6 volt battery pack for the Vivitar 285HV camera. The Vivitar 285 is known as the "cockroach" flash because it is well put together and it is very hard to kill the flash. Manual mode settings and the color setting are explained briefly. Instead of using four double A batteries to power this flash you can make your own 6V battery to power it. This is beneficial because the 6V battery will last longer and some of them have the ability to be charged up.

How To: Set a custom white balance on the Canon 5D Mark II

Most DSLR's like the Canon 5D Mark II come with pre-programmed white balance settings: daylight, cloudy, tungsten, fluorescent. But what do you do when you're in a mixed lighting situation and you want to balance between exterior daylight and interior tungsten light? If you set it to daylight, your tungsten light will be too orange. If you set it to tungsten, your exterior light will be too blue. The solution: set a custom white balance to balance the disparate lighting situations.

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.

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