Dan Maloneycarlclaunch511:02 PM
When Ken asked if I was interested in joining the project, it didn't take a microsecond to decide yes
I hate to do this, but we've been at this for an hour and if any of our guests need to get back to work, we should let them go. But this has been really fascinating, and I really want to thank Marc, Ken, Carl, and Mike for coming along today and sharing their insights and experiences. Feel free to keep the discussion going as long as you'd like, of course - the Hack Chat is always open.
Thank you all. Really interesting and inspiring!
Thanks for setting this up, Dan.
Great stuff! Thank you.
Thanks Dan! I'm happy to stick around if anybody has more questions
Really great way to spend lunch!
Thank you for this interesting session.
Thanks Dan for the opportunity. I can stay on a little more but I'll have to go soon.
Thank you all!
was awesome to be able to ask some questions here :) you guys did a great job at the whole thing
I have no work, only hobbies so I will stay on also
Y
Fantastic work AGC restoration team!
Thanks all! I'll wait a while to pull the transcript, in case there are any more interesting bits.
And don't forget next week we'll be sitting down with Ben Krasnow from the Applied Science YouTube channel, to talk about Citizen Science.
Thanks everyone! its amazing to see what you guys did!!! and surprised to find out most of you don't have "formal" EE background... yet do more low level stuff than most EEs I know...
Oh cool. Ben is such a fascinating guy! Is it on the same chat next week?
I've gone into the rabbit hole with core memory and I am working on a kit for those who are interested. I aim to have some produced this summer (just received another prototype batch of PCBs 20 minutes ago!). Would appreciate your feedback if you are interested in exploring core memory. https://hackaday.io/project/166155/gallery#dcf4b886fedebceec2c7fbdeda92829d (shameless plug... but you all are likely to be interested in this sort of thing!).
@Andy Geppert Indeed we are all core memory afficianados
oh cool! what cores are you using?
"target market?" if that's fair to assume!
They are 1mm OD from somewhere in Europe via good ol' eBay. NOS I'm guessing.
yes. Have an Arduino shield core memory board project I bought, but also worked on core more directly. Saw a great hack where someone put lighting to visualize the state of the cores, as an overlay.
It's soooo satisfying to weave them together and have it actually work.
Yes to target market too
@Andy Geppert Nice! How far can you extend this? I have two Russian memory core planes that I'd love to turn into a working demo display. A 4k plane and a less dense and probably better suited 1k plane.
@carlclaunch51 I think you saw my proof of concept then, last year after Maker Faire?
oh, that was you at the after party! Yes, loved it
Oh yes I remember it. That was awesome!
Yes, thanks. Based on the feedback I got, I thought this was worthy to pursue, so this is an extension of that concept to a proper 8x8 bit array. Just think of what you can do with 64 bits!
I have a few minicomputer core memory boards that come with onboard access electronics, much easier than engineering the drive for a naked core board (but less satisfying)
i've only had some real old core planes to play around with and all of them had damaged wiring
My IBM 1130 computer is a 16K word core based machine but can be expanded to 32K. I have the mini core boarrds to provide the memory portion, but alas IBM left off the gates for any address bits not installed on the machine so it requires some modifications to the register boards and other portions of the machine to activate it all.
Marc has some video of our experiments to drive an IBM core plane (successfully) with our own drive circuits and sense detectors. Worth watching if you like core.
Oh, I have definitely watched that video! I learned a lot of fundamental stuff, and it helped me break out of a rut and get my system working.
seems like theres some pretty affordable soviet core planes on ebay
I've been tempted by those. For this project, I'm focusing the interactive/LED part. But it has been suggested that a full LCD behind a larger core plane would be the next logical step.
that makes a lot of sense, Andy
@Andy Geppert Exactly my thought. LCD behind a Russian core plane!
Looks like this would be fairly doable
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