Single Board Computers

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Is there a real credit-card sized computer? Something that easily fits in a wallet or pocket and has a user interface? (discuss.tchncs.de)

submitted 7 months ago by _edge@discuss.tchncs.de to c/sbcs@lemux.minnix.dev

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Rasberry Pis and similar are sometimes sold as credit-card sized, but they are not portable, really, have huge Ethernet ports and no display or keyboard. Those are on the too-big side for what i am looking for.

In the other hand, you could say that SIM cards or USB devices are technically computers, but they lack a user interface. They are too small.

Is there something small with a usuable display and input method; something that looks like a calculator or tiny smartphone? Does not need a battery (although that's a plus). Does not need WiFi or 5G (although that's plus). Needs some standard method to communicate with the outside world (USB, Bluetooth, NFC, Wifi, ...). Should easily fit in a pocket, wallet, purse.

Ideally something that can run a minimal Linux or Android?

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[–] BaroqueInMind@lemmy.one 43 points 7 months ago (1 children)

Yes, they are called phones.

[–] _edge@discuss.tchncs.de 1 points 7 months ago

Yes, a generic Android phone would do, but I was looking for something smaller and cheaper; more like a feature phone. And then i don't need the capability to make phone calls.

In fact, I was looking to replace smartphone apps with somethings that's not a phone. Why? Some people just don't like phones. Some places don't allow phones.