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Improving A Discrete Boost Converter Circuit
Fixing Up A Boost Converter Design
Some Disassembly Required
Building, Un-building and Re-building Things
Other Recent Posts
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Anodizing Aluminum Without Sulfuric Acid
Anodizing at Home, Using Sodium Bisulfsate Instead of Sulfuric Acid. Aluminum (along with most other metals) naturally grows a passivation layer of metal oxide. This protects the underlying metal from corrosion. That is why your car/house/other metal object doesn’t dissolve in the rain. Unfortunately this layer is very thin- only a few nanometers. A tiny…
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DIY Box and Pan Brake
Building an Advanced Sheet Metal Tool on the Cheap. Every trade has it’s own specialized tools. You can do good work with basic tools, but eventually you’ll want to get some of the specialized ones. Metal work has a wonderful variety of tools that are way too expensive for the amateur to justify buying. Building…
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Discrete VGA Graphics Adapter: Text Mode
Special Hardware for Plain old Text. Last time, I got my VGA circuit displaying an actual image. An off-color, artifact laden, not quite in the right place image, but an image nonetheless. Good enough to push the concept further, if nothing else. Text mode is exactly what it sounds like: a special mode for displaying…
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