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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 45 points 7 months ago

Yes, they are called phones.

[-] _edge@discuss.tchncs.de 2 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.

[-] EugeneNine@lemmy.ml 8 points 7 months ago* (last edited 7 months ago)

They are not intended to be a finished product, you are supposed to add your own display and keyboard. If you want really portable start with the Pi zero which doesn't have the big ports, then slap on a small display and keyboard of your choice. There are small kits like these https://ameridroid.com/collections/all-products/products/odroid-go-advance for example. There are also a few different ones with blackberry keyboards https://liliputing.com/beepberry-is-a-79-hackable-pocket-computer-kit-with-a-blackberry-keyboard/ https://arstechnica.com/gadgets/2023/05/its-a-raspberry-pi-a-blackberry-keyboard-and-a-battery-its-the-beepberry/ (when blackberry quit making hardware they surplussed a bunch of keyboards)

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

Cool idea with the bb Keyboards.

[-] d3Xt3r@lemmy.world 7 points 7 months ago

Unihertz makes a bunch of tiny Android phones, which are about the size of a credit card (if you ignore the thickness).

[-] rickyrigatoni@lemm.ee 2 points 7 months ago
[-] _edge@discuss.tchncs.de 1 points 7 months ago

Yes, that's the kind of hardware i was looking for. Of course, thinner would be cooler, and i could compromise on the specs..

[-] Hideakikarate@sh.itjust.works 3 points 7 months ago

I have a small laptop by the name of GPD WIN 2. It's about the size of a Nintendo DS, touchscreen, keyboard, one USB-A and USB-C. Might suit your needs.

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

Larger than what i was looking for, but looks like a powerful and fun device.

[-] Scronglus@lemmy.world 2 points 7 months ago

Consider the cardputer Link. It's intended for hobbyists who are willing and able to write programs for it but the hardware is roughly what you described.

[-] _edge@discuss.tchncs.de 2 points 7 months ago

Sexy and very tempting at the price tag. For protyping that's ideal and it demos what's possible.

[-] MechKit@beehaw.org 2 points 7 months ago

No linux/Android, but this is the closest I can think of. https://shop.m5stack.com/products/m5stack-cardputer-kit-w-m5stamps3

[-] aard@kyu.de 2 points 7 months ago

Technically this fits your requirements...

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

That's exactly what i had hoped to find. Maybe not for the first prototype, but then...

this post was submitted on 16 Apr 2024
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