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Ladyada and fam' moved to Brooklyn to be close to Adafruit's new Industry City factory, which means we now have a deck! It's a multi-purpose baby art studio / engineering workstation / gremlin nursery. Yes, that's EAGLECAD, and yes - we've been moving to KiCad.
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New Boards Day
I ordered some custom breakout boards from JLCPCB.
QFP-208
QFP-160
PC-AT & PC-ATX power supply headers
5V PCI
PS/2 & PC-AT keyboard
72-pin SIMM
I've got some homebrew projects in mind for these boards.
Moving to Board
Wire wrap sockets and wire have gotten expensive. I’ll have to order some later. So for this project I’ll have to stick with soldering. It’s slow work.
The first thing I did was wire all 60 signal pins and power to a female pin header. This will let me test each new part of the circuit on a breadboard before soldering it into place – an important step I’ve forgotten too many times in the past.
I’ve drawn up a schematic in Eagle with things I would like to test, based on what I have on-hand already: 64k of SRAM, Zilog Z8530 Serial Communications Controller, Compact Flash in IDE mode, and of course an ISA-like interface for my LED display board. If I have room left on the board, and can figure out the logic, I have some 30-pin SIMMs I’d love to throw in.
From the schematic, I like to draw a functional diagram in the style of the one Daniel Kottke drew for the original Macintosh. I use graph paper, with one square representing four holes on the board. I’ll mark out the box of each chip and name each signal. I find it much more useful than a traditional schematic when actually building something, and it lets me plan how everything will fit on the board. I arranged the RAM, ROM, and register several times on paper to optimize wiring based on proximity. I’m sure I could do that in Eagle too, but sometimes I just think better putting pencil to paper.
Another accidental Eagle CAD drawing -- part visual diary, part work in progress for works that may or may not be realized in another medium. . . . #wip #drawing #inspiration #eagle #eaglecad #circuitboard #pcb #art #contemporarydrawing https://www.instagram.com/p/CRG5c0qD9eI/?utm_medium=tumblr
Another accidental Eagle CAD drawing -- part visual diary, part work in progress for works that may or may not be realized in another medium. . . . #wip #drawing #inspiration #eagle #eaglecad #circuitboard #pcb #art #contemporarydrawing #iacgrantee #iowaarts https://www.instagram.com/p/CP-0ThdDcqx/?utm_medium=tumblr
Anya is live and ready to show you everything. Watch her strip, dance, and perform exclusive shows just for you. Interact in real-time and make your fantasies come true.
Free to watch • No registration required • HD streaming
Another accidental Eagle CAD drawing -- part visual diary, part work in progress for works that may or may not be realized in another medium. . . . #wip #drawing #inspiration #eagle #eaglecad #circuitboard #pcb #art #contemporarydrawing #iacgrantee #iowaarts https://www.instagram.com/p/CPsvKNUjNwG/?utm_medium=tumblr
Accidental Eagle Drawing, the vaguely humanoid edition 🙂 . . . #wip #drawing #inspiration #eagle #eaglecad #circuitboard #pcb #art #contemporarydrawing #iacgrantee #iowaarts https://www.instagram.com/p/CNKgyAKDbQo/?igshid=t4cbrzbzic9p
"Accidental Eagle CAD Drawing" (2021, screenshot, variable dimensions). I use Eagle CAD to design my circuit boards. Sometimes, the state of the circuit board model on the computer screen looks like a drawing I might make some day. I decided to post some of these here, part visual diary, part work in progress for works that may or may not be realized in another medium (e.g. paper, print). . . . #wip #drawing #inspiration #eagle #eaglecad #circuitboard #pcb #art #contemporarydrawing #iacgrantee #iowaarts https://www.instagram.com/p/CLwfzNzD_5o/?igshid=1xbdvyzray8f5
