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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
Filling In The Gaps Of What Should Be Common Knowledge
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DIY Magnetic Stripe Card Reader Experiments
Building A Proof Of Concept Card Reader From Junk
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The 6502 Single Board Development System
Building An All-In-One 6502 Development Board
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Modular Monitor: Dynamic Dispatch and Code Cleanup
Jumping Through Tables For Your Petty Amusement
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Multipurpose BLDC Motor Controller: Miller Blowout
Miller Capacitance, Power MOSFETs, and Problems
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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…
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6502 Minimal Development Board
A Minimalist First Step Into Complex 6502 System Design. I’ve had a serious interest in computer hardware since high school. In between attempts to design my own CPU, I also took some interest in the 6502 shortly after finding Veronica. I promptly ordered two R65C02s- and did nothing with them. Keep in mind this was…
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DIY U-Tube Manometer
Perhaps the Simplest Measuring Instrument After the Calibrated Stick. Pressure. It’s one of those things. You know, the sort of thing you never, ever think too much about. Until one day you run into a problem where it would be really handy to know about it. Obviously pressure gauges exist, and are relatively easy to…