I hadn't touched homebuilt electronics extensively since the 1970s, when I'd built a microprogrammed central processor named Irving among other projects, and was intrigued with the idea of wiring together some newer components. I thought a Raspberry Pi kit would be a good basis for experiments, and am now exploring its possibilities. I was pleased to be able to hook it up to a numeric display module that I'd had in a box for nearly 40 years, to see the display illuminate, patch 8 bits' worth of output connections, and write and download the Python code to make its numbers count. And, yes, 377 wraps around to 000; I waited to watch that. There's nothing like a table sprawled with wires and pieces that, collectively, do something.
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