Some parts arrived today!
Looking to see about switching power to some Pi’s via some kind of web-usable API. I’m using 74HC255’s to drive the relays – Arudino writes 8-bits at a time into them. And then 74HC244’s to read the current state of the latches so that the PI’s will cleanly survive an arduino reboot.. Once that’s sorted, I can build a management API that something like WHMCS can talk to 😉
Managed to get an Arduino talking to it, but not quite correctly. Must have fudged something. Will look at it again later 🙂
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