Minimalist Europe Card Bus (MECB) – 6809 or 6309 CPU Card – v2.3 Update!
Recently, while working on my 6502 CPU Card design, I became aware of a small oversight on my existing 6809 CPU Card. Nothing that has caused any issues, as I …
Minimalist Europe Card Bus (MECB) – 1MB ROM Expansion Card (Part 2)
With our 1MB ROM Expansion Card design and assembly already presented in Part 1, it’s now time to test our assembled Card, with an initial use scenario. Initially, I’m going …
Minimalist Europe Card Bus (MECB) – 1MB ROM Expansion Card (Part 1)
Continuing on, with my Minimalist Europe Card Bus project. Join me as I introduce a 1MB ROM Expansion Card, discuss the design decisions, and assemble my first card. First some …
Minimalist Europe Card Bus (MECB) – Bus Pinout Documented!
It has been pointed out to me, that I had overlooked officially documenting the MECB Bus pinout. So, it’s time this oversight was fixed! I suspect that, originally, I was …
A Quick Gaming Table Conversion
Although this post is not in-line with my normal Maker / Electronics / Retro Computing blog topics, it is related to the flooding which destroyed my Workspace approximately 12 months …
Building a VersaTerm – A Retro Computing Serial Terminal
In the early computing days of the late 1970’s, back when we were building our own 8-bit microprocessor systems, it may be hard to imagine now, but we didn’t actually …
Forum Launched!
After some on-going frustration with the WordPress blog comment limitations, I finally decided it was time to setup a proper Forum, to allow more advanced (and more readable) discussion going …
Building a 6502 (and W65C02) NOP Tester
I just received some old MOS 6502 microprocessor chips from AliExpress, for a project that I’m currently working on. Now, I needed a way to test that the received chips …
Minimalist Europe Card Bus (MECB) – Some 6809 BASIC Fun
As I now have a modular retro 6809 computer system, with a flexible memory map, I thought it would be fun to mimic another simple 6809 system and to also …
Annealing your 3D Prints – Potential magic, depending on your model!
After my long journey making my final Ultimate Cherry MX Version of my Hex Keypad, and in fact being very happy with the results I’d achieved, I was still contemplating …