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Improving A Discrete Boost Converter Circuit

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Testing A Discrete Boost Converter Circuit

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DIY Modular Breadboard Development System

Building My Own Modular Breadboard Development System On The Cheap Breadboards. We love them. We hate them. We hate to love them, and love to hate them. Despite the fact that electronics continue to get smaller, denser, and less breadboard-friendly every day, the humble solderless breadboard is still going strong. It’s the go-to development system…
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Quick Project: Solenoid Snubber Testing

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DIY Magnetic Stripe Card Reader Experiments

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The 6502 Single Board Development System

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Modular Monitor: Dynamic Dispatch and Code Cleanup

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Multipurpose BLDC Motor Controller: Miller Blowout

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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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Discrete VGA Graphics Adapter: Time Base

Part 1: VGA Time Base Generation Ever since I started designing computers, I knew I needed to come up with some kind of graphics interface. Preferably one that didn’t require specialty hardware, licensing, or only worked with very old displays. There is one, and only one, interface that does the job: VGA. Despite being completely…