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Archive for March, 2013

486 PC emulator for the Raspberry Pi

March 31, 2013 Leave a comment

Today’s post is how to turn your Raspberry Pi into an old 486 PC which is intended primarily as a vehicle to run old DOS games that no longer run on modern PCs and you do not want to use a separate emulator like DOSBox.

rpix86 emulates an Intel 80486 running at roughly 20Mhz with 640KB of real memory, 4MB of expanded memory, and 16MB of extended memory; Super VGA graphics supporting up to a 640×480 resolution and 256 colors; a SoundBlaster 2.0 sound card; and keyboard and two-button mouse support.

Click the link below to download the software and start enjoying 486 goodness

http://rpix86.patrickaalto.com/rblog.html

Changing Hostname on Raspberrypi

March 24, 2013 Leave a comment

Being the proud owner of two Raspberry Pi’s I found because they use the same Image they also have the same Hostname so to change it I had to do the following

1) Edit the hostname file with the following command

sudo nano /etc/hostname

(Sudo means run as)(nano is the file edit program)(/etc/hostname is the file location)

If it is the standard image you should see RaspberryPi change this to any thing you want as long as it is one word.

Then do the following to save the changes

CTRL + X and then Y

2) Edit the hosts file with the following command

sudo nano /etc/hosts

(Sudo means run as)(nano is the file edit program)(/etc/hosts is the file location)

If it is the standard image you should see next to 127.0.1.1 the following RaspberryPi change this to the same name as your hostname.

Then do the following to save the changes

CTRL + X and then Y

To make sure it saved the file type the following command

cat  /etc/hosts

If all has gone correct you should now see next to 127.0.1.1 your new host name

3) Issue the reboot command with the following command

sudo reboot

When you next login to your RaspberryPi you should see the new host name in the prompt.

3G + GPS add on module for Raspberry Pi

March 17, 2013 1 comment

This is a fantastic product from the guys over at cooking hacks (web link) have created an add on module called a 3G / GPRS shield for Raspberry Pi which uses the Raspberry Pi to Arduino shields connection bridge.

The module has an internal GPS and 3G card only requing a SIM card to work

Which can be found at the following link – 3G / GPRS shield for Raspberry Pi

And also a great tutorial can be found here to see what you can use it for – 3G / GPRS shield tutorial

This Arduino shields connection bridge allows the use any of the shields, boards and modules designed for Arduino in Raspberry Pi.

This could also lead to the possibility of connecting digital and analog sensors, using the same pinout of Arduino but with the power and capabilities of Raspberry Pi

The stand alone Arduino shields connection bridge can be found here – Arduino shields connection bridge

 

 

 

 

 

Assigning a .local Domain to Your Raspberry Pi

March 10, 2013 Leave a comment

Raspberry'sIf your like me when working with the Raspberry Pi remotely you first have to go and find it’s IP address on your router or have to remember the IP address of the Raspberry Pi if I have set it to static IP address before you can log into to it with Putty to work on it.

Well has worked out a way to assign a .local perfix to your raspberry pi to allow connecting it a lot easier than IP address, take a look at the following link to see how

http://zackeryfretty.com/assigning-a-local-domain-to-your-raspberry-pi-aka-stop-forgetting-your-ip-address/

 

The Centre for Computing History Finds Home and CPU Top Trumps

March 3, 2013 Leave a comment

The Centre for Computing History has now signed the lease on a 10,500 sq ft building in Cambridge.

From the The Centre of Computing History press release

“This building, situated near the Beehive Centre, will provide a great first step for the Centre into the Cambridge community. The location is very convenient and affords multiple opportunities for visitors. There are two leading hotels currently under construction very close by, there is a bus stop on the main road; we have our own parking and the Beehive Shopping Centre also offers good facilities.”

What is the “The centre of computing history” ?

“The Centre for Computing History was established to create a permanent public exhibition that tells the story of the Information Age, the computer museum preserves and presents a collection of important computers and related artifacts. It spotlights the people behind the inventions and records the information necessary to inspire and enthuse future generations.”

If this has interested you and you want to learn more take a look at the following link

http://www.computinghistory.org.uk/

Also

The team over at the centre for computing history have created a trump card game built by geeks for geeks, It has 30 CPUs that have had the greatest impact on the computer desktop history

If you like a copy of CPU wars top trumps click on the link below

CPU Wars – Trump Trading Cards

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