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Modular Monitor: a Flexible ROM Monitor for the 6502
A Computer’s First Step Towards Self Sufficiency
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Quick Projects: Emergency Coffee Grinder Repair
Starting the Year off With a Bang My day began the way it usually does. A slow, begrudging realization I could no longer stay in bed. Thenceforth, the normal routine of personal hygiene, dressing, etc; finishing with grinding and brewing my daily coffee. Everything was fine- up until the coffee. When I plugged my coffee…
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Multipurpose BLDC Motor Controller: Fixing the Big Mistake
Finally Getting Around to Fixing my Most Embarrassing Mistake Thus Far
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Quick Projects: DIY Horizontal Tripod Arm From Junk
A DIY Version of Professional Tripod Arms I never knew just how hard it is to get consistently good pictures. Now that I’m doing this blogging thing semi-regularly, I’ve gotten plenty of experience in how not to photograph things. Let’s just say if you see a few pics here that aren’t great, the ones you…
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Modular Monitor: Serial Terminals, Hardware Bugs, and You
Connecting the 6502 to a Serial Terminal Turned Out to be Harder Than Expected. When I designed my minimal 6502 development board, I made plenty of concessions to keep the project feasible. A lot of my grandiose ideas for it turned out to be impractical, but I’m still using it. Why not? It’s still a…
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Multipurpose BLDC Motor Controller: A (Difficult) Learning Experience
Designing Your Own BLDC Controller is Harder Than it Looks You don’t go too far these days without running into a brushless DC (BLDC) motor. Compared to brushed DC motors or AC motors, the BLDC motor has a lot of advantages- in many ways the BLDC motor manages to combine the advantages of both AC…
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Hexadecimal Value Display for 16 Bit Logic Input
Designing and Building a Hexadecimal Display for Small Computer and Logic Projects. I do digital design regularly, and it’s occasionally real handy to take a group of signals (e.g. an address bus) and display them. I don’t have a lot of great tools to do that though. Ordinarily I’d hook up my logic analyzer. That…
