What are the Coolest and Smallest Hardware Devices You Can B

[Elliottoxync]

I am interested in learning about innovative and compact hardware devices that have unique features and functionalities. For example, I have seen the Arduboy, which is a credit card-sized game console, and the Flipper Zero, which is a hacking device inspired by Tamagotchi. What are some other examples of hardware products that are similar to these in terms of size and appeal?

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