Category Archives: Electronics

New Github

Posted on May 25, 2020 by Andrew

I’ve had a recent reader comment asking for me to share the details of the Keystone 9202 bracket that I’ve used in my ISA POST card design. This has prompted me to create a proper place on my Github account … Continue reading →

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Retro-CGA #6 – Character Font

Posted on January 31, 2020 by Andrew

The last post in this series covered the receipt of the Retro-CGA prototype circuit boards, and the soldering of all components onto one of the boards, making a completed prototype card: This post covers the last step in preparing the … Continue reading →

Posted in Retro-CGA, Retro-CGA | 5 Comments

Retro-CGA #5 – Fabrication and Assembly

Posted on January 24, 2020 by Andrew

The last post in this series showed some of the detail of the Retro-CGA as it has come together so far, and ended with the preparation of Gerber files in preparation of having some prototype boards fabricated. After a week … Continue reading →

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Retro-CGA #4 – Design Features and Fabrication

Posted on January 3, 2020 by Andrew

The last post on the Retro-CGA showed the gradual progression from schematic design to  board build-up, summarising a period of several busy weeks. This post acts as a summary of that whole exercise, showing some of the board design detail. … Continue reading →

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Retro-CGA #3 – Initial Board Design

Posted on December 27, 2019 by Andrew

The last post in this series covered aspects of the initial schematic design of the Retro-CGA. This post will crack on with the initial board design, using the magic of pictures to show the detail of the board build-up. I … Continue reading →

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Retro-CGA #2 – Initial Schematic Design

Posted on December 6, 2019 by Andrew

In one of my last posts I pondered the journey required to create an open-source video card inspired by the CGA card that I had repaired, in an attempt to preserve its historically-significant legacy. In this post I will share … Continue reading →

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Ublox GPS Click EEPROM Upgrade

Posted on November 25, 2018 by Andrew

The GPS Click (MIKROE-1032) is a great breakout board from MikroElektronika featuring the Ublox LEA-6S GPS receiver. The “Click” format allows the tiny Ublox module to be plugged into a breadboard for easy prototyping. I’ve been very satisfied with the … Continue reading →

Posted in Electronics, Misc | 1 Comment