Tag Archives: tutorials

How to wipe a hard drive clean

If you are donating, disposing of or selling anything that contains a hard drive, chances are that drive should be wiped clean before it leaves your hands. Even if the hard drive has failed, special equipment can read a hard drive which could expose your private and confidential information to the next owner. So what should you do before your dispose of your equipment with a hard drive? There are several methods that are recommended by the experts. Here is an explanation of two of them: 1 - Read more [...]

Solder Sucker for Desoldering – New product alert!

We're always adding new electronic components, parts and supplies to our inventory. This week, one of our new products is a solder sucker, which is a 'must have' for anyone that works with electronics and solder. Crafted in Germany by Amax, this solder sucker is a pump style solder remover. Use it on heated solder to remove the solder from your boards and components. It comes in the original manufacturer's packaging with instructions for the use and care of your solder sucker. Here are some Read more [...]

Solar energy can help sell your home

Anyone who is trying to sell a house knows that some improvements like adding a new bathroom or a complete kitchen renovation may increase the value of a home however most people might not consider that an investment in solar panels or other renewable energy sources may be another positive investment in their home. According to a study that was recently published by the National Bureau of Economic Research (NBER), solar photovoltaic (PV) panels added on average between 3 percent and 4 percent Read more [...]

Wired or wireless or both: What is best for small businesses?

Whether you are updating your office's networking component needs or starting from scratch, there are many things to think about when you are considering wired vs wireless. For starters, ask yourself: How many people are on your network? How about in 2 years? How long will this system be in place? (any moves planned within 2 years?) How fast does the network/internet access need to be right now? How about in 2 years? What kind of files have to be moved across your network Read more [...]

Go Invisible: How to protect your privacy on Facebook

There have been a lot of news reports and discussions surrounding Facebook's privacy policies. Of course, if you are worried about web privacy, canceling your Facebook account is an option, but since many other sites have joined the Facebook Connect network and are utilizing the site's tools, you will need a Facebook account to be able to use these sites in the future. Plus, not everyone wants to give up their ability to connect with long lost high school buddies or share their latest baby pics Read more [...]

Survey finds that web users are sloppy with passwords

A new survey commissioned by Webroot confirms that web users are still putting their identities at risk by not employing some simple strategies for password safety and protection. So what did the survey reveal about web users and why are these findings an issue? 40% have shared passwords with at least one person in the past year Sharing passwords with a trusted friend or family member may seem like a non-issue because you trust the person you're sharing it with, but they may leave it lying around Read more [...]

What is a MOS-FET?

MOS-FET, which is an abbreviation of Metal-Oxide-Semiconductor Field Effect Transistor, is a very important kind of transistor. Many IC's are constructed of arrays of MOS-FETS on a tiny sliver of silicon. They are very small, easy to manufacture and many MOS-FETS consume a small amount of power making them an excellent choice for many applications. It is the most common type of transistor available for either digital or analog circuits, replacing the bipolar transistor which was much more common Read more [...]

Make a 9V headlamp head flashlight

Here's an easy project that simple enough for electronic beginners, plus the supplies required are probably laying around your house or workshop. Could you buy the same thing for just a few dollars more? Sure you could, but you'd miss out on the satisfaction of assembling this project all by yourself. Here's what you need: 2 high intensity white LEDS (you can use other colors if desired) small perf board 2 470 ohm resistors toggle switch or slide switch 9V battery snap 9V battery small Read more [...]

How to Jailbreak an iPad

Jailbreaking an iPad If you have an iPad, you may be intrigued by the thought of jailbreaking it. Jailbreaking a device permits you to install and use third party applications and utility programs. In the case of a jailbroken iPad, you would be able to then run apps like Adobe Flash which is not available through the Apple OS, or access files like you can on a PC. One app that caught my eye was the multitasking app which would allow you to run multiple programs without having to save/close Read more [...]

Turn your old PC fans into mini wind generators

Here's a great project that you can do either to experiment with wind turbines or to generate some energy! While the amount of energy produced is not overwhelming, this project can sure get your brain moving in the right direction. The best thing about this project is that you probably already have everything you need lying around: Thick plastic bottle Old PC fan, bigger the better! A few feet of small wire A piece of wood about 1.5" square and around 20cm long Two lengths of steel Read more [...]