-
Testing A Discrete Boost Converter Circuit
Experimenting With DIY Boost Converters
Some Disassembly Required
Building, Un-building and Re-building Things
Other Recent Posts
-
Discrete VGA Graphics Adapter: Framebuffer and DAC
Putting Actual Graphics Into the Graphics Adapter Last time, I threw together a VGA time base. I didn’t spend much time elaborating on it, because honestly it bores me. There is only so much you can say about a counter that hasn’t already been said. This time around the goal is to display an actual…
-
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…
-
HP 1660A Logic Analyzer Floppy Drive Replacement
Replacing an Obsolete Floppy Drive to Make an old Tool More Modern. Many, many years ago I scored an HP 1660A on eBay for 250 bucks. This is professional quality equipment that probably cost at least ten times that price when new. What a deal! Of course the reason I got it dirt cheap was…
8 bit Computer 6502 6502 Assembly 6502 Computer 6502 Software Assembly Programming Atmega BLDC BLDC driver BLDC Motor CNC Computer graphics Computers Digital logic DIY Drawing robot Electric motor Electronics Hardware debugging Metalwork Monitor Pen plotter Plotter Power Power electronics Robotics ROM monitor Schematics Serial I/O Software Test and measurement VGA