Author Archives: e8johan

New hosting

Posted on December 15, 2014 by e8johan

We’ve just migrated to a new host (a VPS), so if you run into anything strange – do tell!

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Raspberry Pi Models

Posted on November 20, 2014 by e8johan

Even more Raspberry Pi stuff today. The Raspberry Pi blog just run a great post on the different models and board revisions out there – you can find it here.

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GertBot

Posted on November 20, 2014 by e8johan

Have a Raspberry Pi? Want to build a robot? Need to drive some engines? or thousands of LEDs? Then you will love the gertbot! The gertbot is a HAT-board for the Raspberry Pi that adds four H-bridges, two open-drain N-MOSFETs … Continue reading →

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Beautiful Calculators

Posted on November 17, 2014 by e8johan

As some of you already know, calculators was the driver behind the first computers and the first CPUs integrated on a single piece of silicon. Before that age, we had electromechanical calculators. They are as beatiful to look at as … Continue reading →

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Improved ATX PSU

Posted on November 11, 2014 by e8johan

Francesco Truzzi just announced a really great ATX PSU break-out board. It can act as a USB charger, has a variable voltage output and a set of fixed voltage levels (3.3, 5 and 12v). The design is based around an open … Continue reading →

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New A+ Pi

Posted on November 10, 2014 by e8johan

The Raspberry Pi foundation just announced the new A+ model. It is cheaper, smaller and uses less power, than any other Pi out there. With a smaller form factor, fewer ports and an improved audio output. The A+ model looks like … Continue reading →

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Tinyest Duino Yet?

Posted on August 8, 2014 by e8johan

The nanite is a minimal ATtiny85 based development board intended to be used with a breadboard. It is intended to be powered via USB, so no power regulation, but comes with a reset switch. The pin out is identical to … Continue reading →

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lowRISC

Posted on August 6, 2014 by e8johan

The lowRISC project, based on Cambridge, is aiming to create an entirely open source hardware stack. This includes the SoC as well as the development board. The design is based around RISC-V, a 64-bit RISC instruction set architecture. It supports … Continue reading →

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Raspberry Pi Compute Module

Posted on April 8, 2014 by e8johan

This is exciting! The Raspberry Pi Foundation just announced that the Raspberry will be available in a new form factor – the SODIMM. The module will contain the BCM2835 SoC, 512MB of RAM and 4GB FLASH (eMMC). It will be … Continue reading →

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EasyEDA over the web

Posted on March 12, 2014 by e8johan

The EasyEDA project seems like an interesting project. They are developing a production quality EDA system, but with a different monitization model. The plan is to offer free, ad-supported, accounts, cheap, ad-free, accounts and premium accounts. The main revenue stream … Continue reading →

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