Tom's Hardware on MSN
Tiny credit card computer includes eInk screen and is just 1mm thick
Prototype plans are on GitHub where the maker encourages experimentation, modification, and non-commercial use.
A computer the size of a credit card is nothing new. There have been many single-board computers following the familiar ...
XDA Developers on MSN
Someone made a literal credit card-sized ESP32 computer, and so can you
Finding a use-case for it can come later.
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