#152 is alive! (and a question about "bookshelf mode")

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Jeremy Radwan

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Mar 5, 2026, 12:13:56 PM (14 days ago) Mar 5
to [PiDP-1]
After a minor build issue (which turned out to be a bad solder joint on a resistor, not the switch), PiDP-1 #152 is alive and blinking! It has joined its siblings on my cabinet:

IMG_4953.JPG

The addition to this kit of the case assembly was a fun new challenge for my soldering skills, but I seem to have gotten everything aligned and squared up (I really botched the wooden case for my PiDP-8 back  in the day). Another awesome quality kit, love it. Haven't built the controllers yet, but those'll be next. I also need to edit up my traditional timelapse video of the build.

Quick question: is it possible to "auto load in" the tape set by the sense switches? As you can see from my photo I have all my PiDPs on a shelf and they automatically boot into their blinkenlights. I'm going to add pdp1control to systemd so it starts automatically when the PiDP-1 boots (rather than waiting until someone logs in), but all that does is mount the "tape" so I have to physically press the "Load In" switch to get it to run. Is there a way to automate that for "bookshelf mode"?

Sean Sliwinski

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Mar 5, 2026, 12:26:51 PM (14 days ago) Mar 5
to Jeremy Radwan, [PiDP-1]
Nice family there!


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R Clark

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Mar 5, 2026, 8:54:20 PM (13 days ago) Mar 5
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Very Nice collection.  One of these days I'd like to add the Altair also.
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