“A heisenbug (named after the Heisenberg Uncertainty Principle) is a computer bug that disappears or alters its characteristics when an attempt is made to study it.”
In our student’s dorm, we want to share files. We also have one shared internet connection using ADSL. The download speed is OK, but the uplink is weak. Many students like to use torrents, which quickly drain the uplink and the connection table of the modemrouter. So I set up a server with a torrent client, which was accessible by a web interface. I replaced this server by a Iomega StorCenter Ix2-200 Cloud Edition Network Attached Storage (NAS) device, which I will refer to as ix-2.
The default torrent client on the ix-2 is bad beyond imagination, so I wanted to install transmission-daemon. Read the rest of this entry »
Rechargeable batteries aged 6 years or older are, in general, garbage (this also is true for most car batteries). How good are your rechargeable batteries? You can test your batteries by measuring the time it takes until they are empty while they power a LED or something similar with a small resistance. It’s easiest to use a resistor.
First a short introduction on Instagram, it is an iphone app for taking pictures, adding filters to make them look retro, and then for sharing them with sites like Twitter, Flickr, Tumblr, and Facebook, more importantly, it’s a simple social network of other people’s photos. You can “like” or comment on the photos, and see what’s new. It’s easy and doesn’t take much time or effort. This is one of the reasons it has become so popular so quickly.
What is also good to know is that Instagram has recently released an API which the user’s can use to fetch pictures that users upload to the website. In this article I want to discuss that API and how to use it to make the most out of it.
I have been thinking of writing this article for some time now. I am currently planning to do a series of articles describing various ways you can convert an old PC into a useful device. Some of the areas I want to cover are converting the PC into -
Movie / MP3 player
Network storage device
Network hub / monitor / dhcp server
…
In this article I want to look at converting your computer into a network storage. First lets look at the basic requirements your system must meet to be able to be used as a network storage
Being the enthusiast I am with shooting photos and making videos, I also enjoy taking it to further levels. Earlier we posted a super simple how-to tutorial (here) on adding the macro functionality to your cellphone (while keeping it low-budget). In this post, we inform you of how to turn your cellphone into a small portable microscope (while still keeping it low-budget).
If you haven’t gone to Crabfu’s page who made this mod, go there.
Find a low-budget (~10 Euros) microscope lens of your desire (either online or from a shop you know) that matches the specs Crabfu has mentioned (mainly it should fit to the cellphone lens or it’s case dimension).
Wrap the cellphone case in a plastic bag.
Put your cellphone in it.
Glue the lens connection and very very carefully put it where the phone lens is supposed to be.
Attach the lens to the connection.
Done.
Enjoy using your portable microscope while helping people
If you have a disposable camera lying around somewhere in your basement or your room gathering dust, take it and do something useful with it! If you don’t have one, buy one and continue reading this post
Here is a simple step by step “tutorial” on how to add macro capability to your lovely phone camera:
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