Author: Craig Andrews
Memory Expansion Board Now Available
The four channel memory expansion board is now available for download. It is also available on Tindie,…
I/O Port Prototyping Board & Build Files are Available
The Digital I/O Port prototyping boards have arrived an they look good so I am releasing the…
I/O Port ProtoBoard
The SBC-85 backplane prototyping board has been a hit and, at least from what moves through here,…
Up Next? Serial – Parallel I/O Card
With every job at the PCB fab I like to include a prototype of a new design….
SBC-85 CPU v2.0 in Prototype
UPDATE: The SBC-85 CPU v2 is now available. Those that do not have 21V programmers for the…
Bubble Memory Support Boards
During assembly or development of a bubble memory system, it is safer and more convenient to use…
7110A 1Mbit Magnetic Bubble Board Available on Tindie
The 7110A 1Mbit bubble board is on Tindie for purchase. This board will also work with the…
Buying Bubbles – My Experience So Far
Curious about the condition of bubbles that I have seen available for sale, I decided to take…
Want to Order Direct from PCB House? I will Walk You Through or Create the Order from JLCPCB for You
I am getting a number of purchases from overseas buyers that want in on the SBC-85 system,…
My Bubble’s Back and There’s Gonna Be Some Trouble
Hey-laaaaa. Day-laaaaaa. My bubble’s back A quick update on the 7110A bubble board that arrived from the…








