This portable computer is the Raspberry Pi alternative I didn't know I needed

M5Stack Cardputer Adv 4 / 5 Very good pros and cons Pros Neat, well-made, and portable.

Has a large, active support and development community.

Very competitively priced. Cons Quite a steep learning curve.

Doesn't compare to a Raspberry Pi or Flipper Zero. View now at Amazon

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Mention a computer you can fit into your pocket, and people seem to have one of two reactions:

They either say "So, it's like a Raspberry Pi!" Or they say "Ahhh, it's more like a Flipper Zero!"

Also: The Flipper One may be the ultimate Linux PC for hackers in 2026 - and I'm excited

When talking about the M5stack Cardputer Adv, it's actually like both. But also, neither. What the M5Stack is for certain, however, is a interesting bit of kit for anyone who wants to get their hands dirty.

So, what is it?

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