Posted by: glasskeys | 09/12/2014

How to write code for QTC hardware devices.

QTC_software

Part two of my series on CITEworld on how to write software for a touch interface device made using Quantum Tunneling Composite (QTC).

Touch sensitive wood block!

Touch sensitive wood block!

Read my newest piece on CITEworld and learn how to use an incredible material known as Quantum Tunneling Composite (QTC) to turn virtually any solid material into a touch sensitive interface!

Posted by: glasskeys | 08/09/2014

Peer to peer web search, part 2: Faroo

If you can’t trust the NSA or mainstream search engines with your privacy, who can you trust? A peer-to-peer search engine, that’s who! In the last part of a series on peer-to-peer (P2P) search engines, I show how to install, configure, and use Faroo.

Read about it on CITEworld.

Posted by: glasskeys | 07/30/2014

Peer to peer web search, part 1: YaCy

YaCy peers

A live network map of YaCy peer connections.

If you can’t trust the NSA or mainstream search engines with your privacy, who can you trust? A peer-to-peer search engine, that’s who! In part one of a series on peer-to-peer (P2P) search engines, I show how to install, configure, and use YaCy.

Read about it on CITEworld.

Posted by: glasskeys | 06/24/2014

Embedded devices and microcontrollers.

A microcontroller powered robot!

A microcontroller powered robot!

Are you a little intimidated by embedded hardware or microcontrollers? You shouldn’t be. Read my latest article on CITEworld to find out why.

software_defined_radio_on_android

I just finished posting the final part of my two part series about Software Defined Radio (SDR) on CITEworld. Part one discussed getting started with SDR on Android and Linux.

Part two in the series (published yesterday) shows how to use SDR hardware with Mac OS X and Windows 8.1 — including Surface Pro tablets.

Posted by: glasskeys | 05/27/2014

How to build your own solar battery charger.

Once in awhile, I like to return to my "roots" and do a bit of old-fashioned hardware hacking. Digging through an old parts box, I noticed a couple of solar panels still in the packaging I hadn’t gotten around to doing anything with. So I decided to have some fun and try to build a solar-powered battery charger, and also do it in the most inexpensive way possible.

The following images show each step in the process required to build a fully functional solar battery charger. If you are uncomfortable with a soldering iron, power tools, or taking apart electronic devices then it is advisable to skip this "how-to" until you are ready. Please also remember to be safe when disassembling electronic devices. I am not responsible for any injuries you could potentially receive following these instructions!

First, I removed one of the panels from the packaging and measured the output voltage; it was slightly over 5 volts.

Read More…

In an age of Google email data mining, "phishing" scams, and sleazy social networks such as Facebook, one can never be too careful with personal data. And as Richard Snowden has proved to the world: just because you are paranoid, doesn’t mean the NSA aren’t after you.

This brings us to a topic of a similar nature involving a "feature" added to Apple’s Mavericks iPhoto application: automatic facial recognition. I discovered this "feature" after I recently upgraded to OS X Mavericks, and created a bootable install image. Exploring new features, I was delighted to find most of the applications and OS features had improved — that is until I ran across facial recognition in iPhoto.

Besides the utility of slowing iPhoto to a crawl, facial recognition didn’t really seem to be that useful of a feature anyway, so I resolved to stop the facial scanning and eliminate the face repository. If this "improvement" to iPhoto bothers you as much as it does me, use the following steps to kick iPhoto’s creepy Big Brother off of your Mac OS X system.

First, be sure to Quit iPhoto if it is running. This is critically important, because we will be doing things that iPhoto will not like if left open. This includes removing all databases with scanned face information. So if you wish to stop facial recognition, but keep the facial recognition database, run only the first and very last command in the listing below.

Next, open Finder. Select the Pictures folder, and control-click iPhoto Library. Select the Open With option and choose Terminal.app.
NOTE: If Terminal.app does not appear in this list, it can be found in the Applications/Utilities folder.

Here is a screenshot of my Finder window in action:

With the Terminal window open, type these commands at each $ prompt:

$ defaults write com.apple.iPhoto PKFaceDetectionEnabled 0
$ cd ./Database/Faces/Detected
$ ls
$ rm *.apdetected
$ cd ../../apdb
$ ls
$ rm Faces.db
$ rm BigBlobs.apdb
$ exit

(The ls commands show the contents of each directory, so you may omit those.)

You may now open iPhoto again — this time it will not scan your personal photos for faces to insert into a database. Enjoy!

Disclaimer: I am not associated or employed by any company producing software or hardware reviewed on this site.

Posted by: glasskeys | 01/07/2014

IT Blogwatch – 01/07/2014

AT&T Death Star

I used The Schwartz this morning, working on this IT Blogwatch article with Richi Jennings.

These are fun to work on, and I appreciate the opportunity to contribute to a great publication like ComputerWorld.

Posted by: glasskeys | 12/17/2013

IT Blogwatch – 12/17/2013

john-miller-bricked-bios

I had tons of fun early this morning working on this IT Blogwatch article with Richi Jennings.

Older Posts »

Categories

Follow

Get every new post delivered to your Inbox.

Join 243 other followers

%d bloggers like this: