Author Archives: e8johan

The Voyager Computer

Posted on June 18, 2013 by e8johan

I like both spacecrafts and old computers. Here is a quote about the Voyager computers from the 1970’s. It is worth to think about what you can do with very little. I suppose the peripherals where more analog and less … Continue reading →

Posted in Electronics, Programming | Comments Off on The Voyager Computer

A desktop CNC

Posted on June 13, 2013 by e8johan

As 3D printing becomes popularized, the opposite, milling (i.e. removing instead of adding material) is trying to reach the same tipping point. Over at kickstarter, the Othermill has achieved funding. Milling opens the possibilities of working with a wider set … Continue reading →

Posted in 3D Printing | Comments Off on A desktop CNC

Rhombus-Tech

Posted on May 27, 2013 by e8johan

Rhombus-Tech is a CIC company working on various hardwares for running open source software. They are involved in a number of interesting projects, one of them being the KDE tablet. Their site makes an interesting read and they carry lots … Continue reading →

Posted in Electronics, Platforms | Comments Off on Rhombus-Tech

ATX RasPi

Posted on May 20, 2013 by e8johan

The people behind lowpowerlab has come up with a nice solution to switching your Raspeberry Pi on and off. Using a microcontroller and letting it communicate with the Pi over GPIO, the power supply is kept in sync with the … Continue reading →

Posted in Uncategorized | Comments Off on ATX RasPi

Machine Code for Beginners

Posted on May 16, 2013 by e8johan

The great Introduction to Machine Code for Beginners by Lisa Watts and Mike Wharton from 1983 is available online. This book is a simple, step-by-step guide to learning to program in machine code. Machine code is the code in which … Continue reading →

Posted in Programming | Comments Off on Machine Code for Beginners

Arduino from the Command Line

Posted on May 16, 2013 by e8johan

Feeling limited by the Arduino IDE? What to avoid writing linked scripts by hand? Try Ino. Ino may replace Arduino IDE UI if you prefer to work with command line and an editor of your choice or if you want … Continue reading →

Posted in Arduino | Comments Off on Arduino from the Command Line

Raspberry Pi Camera Available

Posted on May 14, 2013 by e8johan

The Raspberry Pi Foundation just announced the availability of the long awaited camera board. The camera boards are now available for order! You can buy one fromRS Components or from Premier Farnell/Element14. We’ve been very grateful for your patience as we’ve tweaked … Continue reading →

Posted in Raspberry Pi | Comments Off on Raspberry Pi Camera Available

ESD Safety

Posted on February 22, 2013 by e8johan

Or, you can read up on Wikipedia.

Posted in Uncategorized | Comments Off on ESD Safety

LEGO runs Linux

Posted on February 18, 2013 by e8johan

Oldest CES news of the year, but I’m just very happy to hear that the next generation of Lego MindStorm will run Linux!

Posted in Platforms | Comments Off on LEGO runs Linux

Capacative Touch

Posted on February 15, 2013 by e8johan

Adafruit is a great resource for may electronic projects. One of my favorite parts is their focus on wearable electronics. Gizmos with LEDs and speakers have been around for a while. You can even get them from Thinkgeek. However, capacitive … Continue reading →

Posted in Electronics | Comments Off on Capacative Touch