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How To: The Hardware Hacker's Introduction to Microcontrollers, Part One: Anatomy of an Arduino

In this article, I'll be explaining the basics of how microcontrollers work, physically and virtually. First off, microcontrollers are no simple thing, so don't be discouraged if you find it mind-boggling! The world of microcontrollers is fascinating, engaging, and an awesome hobby; it never gets boring. I'll be focusing more on I/O and analog based microcontrollers, such as those running Arduino, and using Atmel chips as examples (these are most commonly available, and easy to program).

How To: Recover deleted files and lost data with PC Inspector

In this data recovery tutorial the instructor shows how to recover deleted files and lost data using a free software called PC Inspector. On your computer you may loose data sometimes due to a corrupted hard drive, or because you deleted it accidentally or some other reason. Now some times you will need to recover that important data and it will cost you hundreds of dollars to get it done outside by the professionals. Now you can avoid this and use a free software called PC inspector and reco...

How To: Sort data by multiple columns in Microsoft Excel

Today we are going to learn how to sort data in a Microsoft Excel 2003 spread sheet. We will go over single column and multiple column sorting. In a single column sort you may high light the data or just click on any cell in the column. Once the data is selected look for the sort icons just under the menu bars. There is a sort ascending and sort descending icon. Click on the icon and Excel will sort the list. When sorting multiple columns the data must be in columns next to each other. If the...

How To: FaceTime Forcing LTE Instead of Wi-Fi? Here's How to Fix It

These days, you can FaceTime with family and friends whether you're at home connected to Wi-Fi or on-the-go with mobile data. You may have noticed, however, that your iPhone will sometimes drop Wi-Fi and rely on cellular instead — whether you're placing or receiving a FaceTime call. While that's not an expected result, there is a workaround to get your FaceTime calls back on track.

How To: Map Wardriving Data with Jupyter Notebook

With the Wigle WiFi app running on an Android phone, a hacker can discover and map any nearby network, including those created by printers and other insecure devices. The default tools to analyze the resulting data can fall short of what a hacker needs, but by importing wardriving data into Jupyter Notebook, we can map all Wi-Fi devices we encounter and slice through the data with ease.

How To: Download Your TikTok Data & Activity Report to See What's Been Collected About You

If you're concerned about your privacy, TikTok might not be the app for you. Its shady practices with user data have been the subject of concern, criticism, and even legal action by the US government. Then again, it's just so addicting. If, like me, you're not going to stop using TikTok anytime soon, you should at least know how to view the personal data it has collected on you.

How To: Timehop Breach Impacts Everyone Who's Ever Used the App — Here's How to Check What Info Leaked About You

Data breaches are all too common now, and the latest one you need to know about involves Timehop, a mobile app that makes it easy to reminisce over old photos. The breach, which took place on July 4, was revealed on Sunday, July 8. At the time, Timehop disclosed that 21 million users had been affected by the breach, but it now appears that all users were impacted in some way.

How To: Find Out What Personal Data Your Mobile Apps Are Leaking with Mobilescope

If you use apps on your smartphone, chances are you have no idea what those apps are doing with your information. Just this year, there have been several scandals involving apps transmitting user data, like Path uploading users' entire address books onto its servers, HTC's Security Flaw, and Brewster exposing users' personal information (even Ashton Kutcher's). A new service called Mobilescope wants to make sure you always know where—and to whom—your data is going. Lots of apps copy your cont...

How To: Manage data by ArrayList & Collection in Flash Builder

Organize your data with ArrayList and ArrayCollection when working in Adobe Flash Builder 4. This clip will show you what to do. Whether you're new to Adobe's popular Flash IDE (previously titled Adobe Flex Builder) or simply wish to become better acquainted with the program, you're sure to find benefit in this free video software tutorial. For more information, including specific, step-by-step instructions, take a look.

How To: Set data up for sorting & filtering in Microsoft Excel

Whether you're interested in learning Microsoft Excel from the bottom up or just looking to pick up a few tips and tricks, you're in the right place. In this tutorial from everyone's favorite digital spreadsheet guru, ExcelIsFun, the 14th installment in his "Highline Excel Class" series of free video Excel lessons, you'll learn how to set up data in Excel so sorting, filtering, subtotals and PivotTables (Pivot Tables) can be done easily.

How To: Calculate skew in a distribution in Microsoft Excel

If you use Microsoft Excel on a regular basis, odds are you work with numbers. Put those numbers to work. Statistical analysis allows you to find patterns, trends and probabilities within your data. In this MS Excel tutorial from everyone's favorite Excel guru, YouTube's ExcelsFun, the 44th installment in his "Excel Statistics" series of free video lessons, you'll learn how to use the SKEW function to calculate the skew in a distribution of data.

How To: Use Excel names with pivot tables & data validation

Looking for a primer on how to create and work with names in Microsoft Office Excel? You've come to the right place. In this free video tutorial from everyone's favorite MS Excel guru, YouTube's ExcelIsFun, the 5th installment in his series of Excel name tricks, you'll learn to use names with pivot tables, data validation & the VLOOKUP & COUNTIF functions and formulas.

How To: Create a stem & leaf chart with Excel's REPT & COUNTIF

If you use Microsoft Excel on a regular basis, odds are you work with numbers. Put those numbers to work. Statistical analysis allows you to find patterns, trends and probabilities within your data. In this MS Excel tutorial from everyone's favorite Excel guru, YouTube's ExcelsFun, the 28th installment in his "Excel Statistics" series of free video lessons, you'll learn how to create quantitative data stem & leaf charts using the REPT and COUNTIF functions.

How To: Chart a categorical frequency distribution in MS Excel

If you use Microsoft Excel on a regular basis, odds are you work with numbers. Put those numbers to work. Statistical analysis allows you to find patterns, trends and probabilities within your data. In this MS Excel tutorial from everyone's favorite Excel guru, YouTube's ExcelsFun, the 13th installment in his "Excel Statistics" series of free video lessons, you'll learn how to create a column chart from a frequency distribution for categorical data.

How To: Graph data by hand with a stem-and-leaf plot

From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps. With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn how to visualize statistical data with a hand-drawn stem-and-leaf chart.

How To: Chart data with a box and whisker plot

From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps (or just study for that next big test). With this installment from Internet pedagogical superstar Salman Khan's series of free statistics tutorials, you'll learn how to use visualize data by graphing it in a box-and-whisker diagram.

How To: Delete files securely in Mac OS X Leopard

Have sensitive data that you want to make sure you securely delete? Or maybe you're getting an external drive ready to recycle or to give to a colleague. In this video tutorial, you'll find instructions for securely emptying your trash and also securely delete the contents of an external hard drive. For more, and to learn how to remove data from your Mac computer securely, watch this video tutorial from Apple.