On this site you will find lots of random but hopefully interesting and helpful information about computers and electronics.
Electronics
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Kindle 3 (Keyboard) Screen Replacement
My Kindle's screen recently broke and unfortunately it was out of warranty (and it was probably my fault anyway!). While amazon did offer to sell me a new Kindle ...
Posted 20 Apr 2013 05:39 by James Gibbard
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Wireless transmitter and receiver test
I recently purchased a cheap wireless transmitter and receiver from Seeed Studio. The modules operate at 433MHz using amplitude shift keying (ASK). Unfortunately there was very little information about the ...
Posted 21 Apr 2013 07:54 by James Gibbard
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Operational Amplifiers - Ideal Circuits
If you are not familiar with op-amps it might be worth reading the first two articles in this series: Operational Amplifiers - Basic Concepts and Operational Amplifiers - Negative Feedback Sorry ...
Posted 3 Feb 2013 06:19 by James Gibbard
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Operational Amplifiers - Negative Feedback
If you are not familiar with op-amps it might be worth reading the first article in this series: Operational Amplifiers - Basic Concepts. Closing the loop - Negative feedback The first ...
Posted 10 Jun 2012 05:58 by James Gibbard
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Operational Amplifiers - Basics concepts
What is an op-amp? Operational amplifiers or "op-amps" are a very common electrical component found in a huge range of electrical devices.An op-amp is a differential ...
Posted 9 Jun 2012 15:01 by James Gibbard
Computers
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Android anti theft with Cerberus
Cerberus is an android application that helps you to get your phone back if it has been lost or stolen. It allows your phone's location to be tracked via ...
Posted 23 Feb 2013 05:21 by James Gibbard
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Is it worth fitting an older laptop with an SSD?
Solid state drives (SSDs) allow far faster data transfer rates than standard hard drives. This leads to faster boot up times and quicker loading of programs. Although including an SSD ...
Posted 17 Nov 2012 13:44 by James Gibbard
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Website password security
There has been a lot in the news recently about websites being 'hacked' and login details being stolen. The most recent high profile case was linkedin where over 6 million ...
Posted 17 Jun 2012 06:20 by James Gibbard
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Creating a VPN server for secure browsing
While connected to a public network, such as a free wifi hotspot, it is worryingly easy to intercept other user's web traffic including login details, sites visited and the ...
Posted 8 Aug 2010 17:42 by James Gibbard
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Speed up tagging photos on Facebook
Tagging photos on Facebook can be a laborious process. Normally if I upload a large set of photos I will tag all the people in the album, in one photo ...
Posted 23 Jan 2010 15:39 by James Gibbard
Photography
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Croatia and Montenegro
Here's a few photos that I took while on holiday in Croatia and Montenegro in Aug 2012.Dubrovnik Old Town (1/125, f11, ISO100, 24mm)Dubrovnik Old Town (1 ...
Posted 13 Apr 2013 09:42 by James Gibbard
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New Photos
Autumn leaf, 50mm, f/1.8, 1/500, ISO 100. Edited in GIMPEric, 50mm, f/1.8, 1/800, ISO 100. Taken in Regent's Park, LondonRoof, 34mm ...
Posted 3 Feb 2013 06:17 by James Gibbard
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More photos
The Old Boat Shed - 1/60, f/5.6, 18mm, ISO 100, minor colour correction in GIMP.
Taken at Swanbourne lake in Arundel.
Barbed Wire - 1/500, f/5.6 ...
Posted 22 Jun 2011 09:17 by James Gibbard
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