Cooling for a card access system?

A card access system requires zero cooling, it’s a DC power supply or AC transformer and a microcontroller that fits in a small unvented metal enclosure. It requires no management other than activating and deactivating badges.

There is no reason to have any of the lock and unlock functionality tied to the cloud, it’s just shitty engineering by a company who wants to extract rent from their customers.

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sofixa 41 minutes ago | parent [-]

The server running that system needs cooling, yes. You can't just shove it in a closet with zero thought and expect it to not overheat/shut down/catch fire, unless you live in the Arctic.

	▲	dgacmu 9 minutes ago \| parent \| next [-]
		I have a little fanless mini PC that runs various stuff around my house, including homeassistant. The case is basically a big heat sink. It started crashing during backups. The solution was to stick a fan on it. :( This is literally a box _designed to not need a fan_. And yet. It now has a fan and has been stable for months. And it's not even in a closet - it's wall-mounted with lots of available air around it.
	▲	quickthrowman a few seconds ago \| parent \| prev [-]
		There are card access systems that don’t require a computer, just a microcontroller. Perhaps if you need to integrate with multiple sites or a backend system for access control rules you can add computers, but card access systems are dead ass simple for a reason; they need to be reliable.