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The site is down but I'm assuming that this is making use of one of those old SD-cards that had wifi built in to turn old old point and shoot cameras into wifi
by Teever 6y ago
The site is down but I'm assuming that this is making use of one of those old SD-cards that had wifi built in to turn old old point and shoot cameras into wifi devices.
I remember someone got linux running on one of them and ever since then I wish that that form-factor for small computing had taken off.
Imagine if the raspberry pi people made devices like this.
- rbanffy 6y agoThere are lots of SD card sized devices out there. A bit thicker because of packaging, but, still pretty small. On a slightly different take, Octavo makes Pi Zero like devices (single core, 512MB) but with Ethernet and (IIRC) eMMC memory within a single package itself smaller than an SD card. I would love to design a board with a couple of them and a network switch.
- Nextgrid 6y agoLook into VoCore2, it’s a modern-ish Linux SBC in a very small form factor: https://vocore.io/v2u.html https://vocore.io/v2u.html.
- zymhan 6y agoAnyone remember the Palm Wifi SDIO card? I always wanted one for my Zire 72...
- rsync 6y ago"... and ever since then I wish that that form-factor for small computing had taken off." I know how you feel, but the form factor I prefer is PCMCIA[1]. Interestingly, someone did, in fact, attempt to create a small, modular, computing standard based on PCMCIA - the card was a compute module that could be inserted into a shell laptop ... I cannot find the link, unfortunately ... [1] "People Can't Memorize Computer Industry Acronyms"
- Teever 6y agoTotally man, the path I had envisioned SBCs going was PCMCIA form factor and SD form factor. Imagine a PCMCIA computer with an SD slot to put your SD form factor computer into. https://www.youtube.com/watch?v=dE5ROl2YPbs https://www.youtube.com/watch?v=dE5ROl2YPbs
- rsync 6y agoI found it - it is "EOMA68": https://www.crowdsupply.com/eoma68/micro-desktop https://www.crowdsupply.com/eoma68/micro-desktop
- sebazzz 6y agoI cannot visit the site either so I ask it here. How does a wifi card work? Mounting of the file system is a host concept. How can a SD card let the host know its contents have been updated?
- deleted 6y ago[deleted]
- retrac 6y agoSD cards are implemented with a bus interface that's quite general. The only thing they provide to the host is block-addressed memory. The file system is an OS abstraction on top of that. So, the host computer would simply address the WiFi chip on the bus, and issue commands and transfers, similar in overall design to how it would talk to a PCIe device or USB device.
- sebazzz 6y agoSo the host device does need support for a wifi SD card? I thought it was an perfect abstraction.