Gadget Hacks How-Tos

How To: Make an infrared heart sensor

This video shows how to create an infrared heart sensor using an Arduino controller, a couple of resistors, and an infrared light emitter and detector. This device will be used on the subject's finger, detecting the amount of blood which is flowing through the subject's finger. The amount of oxygenation of the blood is shown in the finger, which will cause the infrared light to reflect off the skin and to the transmitter which is close by. The fluctuations of oxygenation are picked up by the ...

How To: Enable and use sticky posts to highlight content on a WordPress blog

Looking for a quick guide on how to create "stickies" on your WordPress blog? Look no further. Every version of WordPress brings with it new features, new functions and new ways of doing things. Fortunately, the very same technology that allows an open-source blog publishing application like WordPress to exist in the first place also makes it easy for its users to share information about the abovesaid things through videos like this one. Take a look.

How To: Pre or postdate a post on a WordPress blog

In this clip, you'll learn how to pre date or post-date content posted to your WordPress blog. Every version of WordPress brings with it new features, new functions and new ways of doing things. Fortunately, the very same technology that allows an open-source blog publishing application like WordPress to exist in the first place also makes it easy for its users to share information about the abovesaid things through videos like this one. Take a look.

How To: Turn a standard web cam into a security camera

Wish there were a way to turn your webcam into a bonafide security camera? Well, there is! And it's easy! So easy, in fact, that this home-computing how-to from the folks at TekZilla can present a complete overview of the process in just over two minutes. For more information, including step-by-step instructions, take a look.

How To: Change the layout of a Google Sites website

Want to alter the look and feel of your Google Sites website? It's easy. And 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 managing your own web pages with Google Sites, take a look.

How To: Edit or clear your Amazon browsing history

Protect your privacy by editing or completely erasing your Amazon search history. It's easy. And 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 managing your own web pages with Google Sites, take a look.

How To: Edit and add content to a Google Site webpage

Interested in editing your Google Site webpage? It's easy. And 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 managing your own web pages with Google Sites, take a look.

How To: Use the Nook eReader app on a Google Android smartphone

Want to get started using the free Nook eReader app to read digital books on your Google Android smartphone? It's easy. And 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 managing your own web pages with Google Sites, take a look.

How To: Direct a custom domain to your Google Sites website

Want to direct your personal domain to your Google Sites page? It's easy. And 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 managing your own web pages with Google Sites, take a look.

How To: Add and follow friends on Tumblr

Can't quite figure out how to add a new friend on Tumblr? It's easy. And 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 keep track of your own friends' Tumblr blogs, take a look.

How To: Set up and use a Samsung Intensity II cell phone

Need a quick primer on how to get started using a Samsung Intensity II cell phone? Whether you're a proud owner of the Samsung Fascinate Google Android smartphone or are merely considering picking one up, you're sure to benefit from this video tutorial. For more information, including detailed, step-by-step instructions, take a look.

How To: Add speech-to-text on an HTC Droid Eris smartphone

In this clip, you'll learn how to install and use text-to-speech on an HTC Droid Eris phone. Whether you're a proud owner of the Verizon Droid Eris Google Android smartphone or are merely considering picking one up, you're sure to benefit from this video tutorial. For more information, including detailed, step-by-step instructions, take a look.

How To: Send and receive messages on a Samsung Fascinate smartphone

Whether you're a proud owner of the Samsung Fascinate Google Android smartphone or are merely considering picking one up, you're sure to benefit from this video tutorial, which presents a brief overview of the device's myriad messaging features. For more information, including detailed, step-by-step instructions on how to send and receive SMS, MMS and email messages, take a look.

How To: Search Amazon to find wish lists and wedding registries

Someone you know have a birthday or wedding coming up? Search Amazon to see if they've set up a wish list (wishlist) or registry! It's easy. And 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 finding wish lists on Amazon yourself, take a look.

How To: Add a new page to a Google Sites website

Need some help figuring out how to add a new page to your Google Sites website? 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 adding new content to your own Google Sites webpage, take a look.

How To: Create and submit new post on a Tumblr blog

Need a quick primer on how to add a new post to a Tumblr website? It's easy! And 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 adding content to your own Tumblr blog, take a look.

How To: Customize the theme and appearance of a Tumblr blog

Looking for a way to add a bit of personality to your Tumblr page? 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 customizing the look and feel of your own Tumblr site, take a look.

How To: Use content tags when coding a website in HTML5

This clip presents a general overview of how to utilize content tags when writing a website using HTML5, the new HTML standard. Whether you're using a fancy WYSIWYG (or what-you-see-is-what-you-get) page editor like Adobe Dreamweaver CS5 or a barebones text editor like Notepad, if you want to build websites, you'll need to have some understanding of HTML (for the structure of your web pages) and CSS (for their style). And this free coder's guide will get you started along that path.

How To: Run apps and multitask on an iPhone 4 or iPod Touch

In this clip, you'll learn everything you'll need to know to run applications and multitask on an iPhone 4 or iPod Touch running iOS 4. Whether you're the proud owner of an Apple iPhone 4 or perhaps just considering picking one up, you're sure to benefit from this free video tutorial. For more information, including complete, step-by-step instructions, take a look.

How To: Permanently delete your Facebook profile

This clip presents a quick overview of what you'll need to do if you'd like to permanently delete your Facebook account. Whether you're completely new to the Facebook's popular social networking site or simply require a small amount of clarification on how to perform a particular task on Facebook, you're sure to benefit from this helpful video guide. For more information, including detailed, step-by-step instructions, take a look.

How To: Remove your name & photo from anything you've shared on Facebook

In this clip, you'll learn how to disable your Facebook profile, removing your name and picture from shared media in the process. Whether you're completely new to the Facebook's popular social networking site or simply require a small amount of clarification on how to perform a particular task on Facebook, you're sure to benefit from this helpful video guide. For more information, including detailed, step-by-step instructions, take a look.

How To: Use the new Google instant search feature

Google is always moving one step closer to pretty much controlling everything in the world, in a good way ofcourse! The latest feature added is Google Instant Search, so for anything that you're searching all you have to do is start typing in the search term and Google will immediately begin giving you results on the fly. In this video you will get a quick hands on demo on how to use the new feature.

How To: Drag and drop your attachments directly into your message in Gmail

Gmail is constantly being updated with new features every time you take a look, and one of the most convenient updated feature is the ability to drag and drop files directly into the e-mail that you're composing to attach them. No more having to browse through endless menus trying to find the folder containing the file that you want. If you already have the file in front of you, all you have to do is just grab it and drop it right onto the e-mail you're composing and you're in business!

How To: Set up Gmail delegation to allow limited access for administrative assistants

When you're personal assistant needs to handle your e-mails for you, it can be quite daunting having to give out your personal account information just so they can have access to your e-mail. And more importantly, having to battle for log in time might also be quite the hassle. With Gmail you can actually delegate your personal assistant so they have access to your inbox and can reply and send messages on your behalf, but they cannot change settings, passwords, or chat on your behalf. In this...

How To: Insert images with links into your signature on Gmail

If you're getting bored of the same old same old in your e-mail messages, or if you're looking for an easier way to show off each of your social networking, as well as personal websites, then you will be happy to hear that Gmail has finally introduced rich text signature lines that'll allow you to hyper-link your images in your signature via HTML. All this can be found in the Labs section of your settings in Gmail. In this video you will learn how to set up the signature with the images and h...