Author Archives: e8johan

Open Source, Open Hardware, Openess

Posted on December 5, 2011 by e8johan

The open source movement, which I disrespectfully use as a term for the free software movement, has gone from a obscure group of nerds to the force powering smart-phones, the internet and large parts of our lifes. Taking away the … Continue reading →

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Annual Reader Poll

Posted on December 2, 2011 by e8johan

Read more to see the poll.

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MSPism – an MSP430 with Radio

Posted on December 2, 2011 by e8johan

Theo Labs is working on the MSPism board. It is an MSP430-based board providing ISM radio. The radio portion is provided by, for instance, this board. The software for the board is currently under heavy development. The end goal is to create … Continue reading →

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Summarizing BeRTOS

Posted on November 26, 2011 by e8johan

Over the last couple of weeks, we have been looking at the BeRTOS free real-time operating system and its function modules. In this entry, we summarize the articles and community resources for future reference. The BeRTOS is an exciting project, … Continue reading →

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OpenRISC Reference Board

Posted on November 25, 2011 by e8johan

ORSoC and the OpenRISC architecture has interested me for years. Basically, it is a soft CPU produced without targeting a specific FPGA architecture (as Nios and MicroBlaze does). It is a RISC design with support from gcc. From version 3.1, … Continue reading →

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BeRTOS Drivers

Posted on November 23, 2011 by e8johan

One of the aspects that sets BeRTOS apart from a bare metal approach to developing small embedded systems is the hardware abtraction layer, HAL, and the available drivers. In addition to providing a real-time kernel, BeRTOS comes with a set … Continue reading →

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Soldering Guide

Posted on November 21, 2011 by e8johan

The EEVblog is a great resource if you are interested in electronics and making. Among all the video blog entries, there is a two part guide to soldering. A good place to get started from. Follow the links here to … Continue reading →

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Raspberry PI PCB

Posted on November 18, 2011 by e8johan

The Raspberry Pi project continues to make progress. A couple of days ago, the gerbers and finals layouts for the PCBs was released. Being credit card sized, the board looks rather crammed, but thanks to the central SoC, the biggest … Continue reading →

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BeRTOS by Example

Posted on November 16, 2011 by e8johan

In this installment we will look at an example project based on BeRTOS. The goal is to learn a bit about how processes works and at the same time play around with the drivers provided by BeRTOS. For new readers, … Continue reading →

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DIY USB HID

Posted on November 14, 2011 by e8johan

The Teensy development board is an Arduino cousin. It is based on the ATMEGA from Atmel, has a real small physical size (18x31mm) and development tools for Windows, Linux and OS X.

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