Author Archives: e8johan

Old Magnets

Posted on April 20, 2012 by e8johan

My recollection from using floppy disks is that they where notoriously prone to failure. Now imagine trying to read you old collection of disks not used since the late 1990’s. Before you run off collecting your disk and run fsck … Continue reading →

Posted in Uncategorized | Comments Off on Old Magnets

Printing at Home

Posted on April 18, 2012 by e8johan

If you would have asked me two years ago if I’d have a cheap, reliable 3D printer at home, I would have laughed. And yet, here I am, waiting for a print to finish. The printer in itself, a Huxley … Continue reading →

Posted in 3D Printing, eMaker Huxley | Comments Off on Printing at Home

Simple Painterbot

Posted on April 16, 2012 by e8johan

After some inspiration from Lorenzo Bravi via makezine, built a small painterbot from a toilet paper roll, a small motor, a nut, a battery and some velcro.

Posted in Uncategorized | Comments Off on Simple Painterbot

The CPU Database

Posted on April 11, 2012 by e8johan

For all of you microprocessor historians out there, Stanford has composed a microprocessor database. It has information about performance, processes, relationships, micro architectures, etc. All readily available for searching, browsing or visualization. via osnews.

Posted in Platforms | Comments Off on The CPU Database

EagleUp

Posted on April 3, 2012 by e8johan

The EagleUp tool helps you generate nice 3D drawings from your Eagle PCB designs. The work is the result of the efforts from Jerome Lamy, an electronics design engineer. To get started, visit the nice video tutorial on the project site. … Continue reading →

Posted in Uncategorized | Comments Off on EagleUp

3D LED Matrix

Posted on March 30, 2012 by e8johan

Fredrik Petrini has posted a detailed build instruction for a 3D LED matrix. That is, a truly three dimensional display with 125 pixels.

Posted in Electronics, Projects | 2 Comments

Portable Electronics Lab

Posted on March 23, 2012 by e8johan

Built from an old laptop, sk7ca‘s portable electronics lab is quite impressive. It contains a generous breadboard area, an LCD display, a keypad, various inputs, outputs, sensors , gizmos and the now ubiquitous Arduino. What the video for a guided tour.

Posted in Arduino, Electronics, Projects | Comments Off on Portable Electronics Lab

Searduino

Posted on March 21, 2012 by e8johan

When developing Arduino software, it is not always ideal having to rely on the cycle of life – code, compile, upload, test, alter, compile, upload, test, alter, comp… The Searduino project (Savannah page) provides an, albeit limited, simulation of an Arduino system. The … Continue reading →

Posted in Arduino | 1 Comment

3D Printable Quadcopter

Posted on March 16, 2012 by e8johan

Thingiverse is a great site that we have mentioned before. Yesterday, the user swepet uploaded PL2Q Hugin. this is the second iteration of his 3D printable quadcopter design. Print, solder and fly. Finally a project where the sky really is … Continue reading →

Posted in Uncategorized | 1 Comment

Prototype Sheild for the Arduino

Posted on March 7, 2012 by e8johan

I just bought and soldered up a prototype shield for the Arduino. To be more precise, the Proto Shield from lawicel. Mounting the pin headers  is a quick job. Then, two pins need to be cut, since they interfere with one of … Continue reading →

Posted in Uncategorized | Comments Off on Prototype Sheild for the Arduino