CABLES ADDED, ALMOST READY FOR TESTING
My cables arrived and I hooked the Arduino sandwich to the two header blocks on the 1130 logic gate B. I continued my work on the 1132 printer controller debugging, with no interference from the attached cables and controller.
REMAINING WORK
The Arduino stack will be mounted inside the 1130 frame. I haven't finalized the location or mounting method yet, but don't expect much of a problem ahead for that.
A pair of wires have to connect the Arduino sandwich with the +12V power rail of the IBM 1130, so that it powers up with the machine. When that is hooked up, the loader is ready for testing.
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