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@maple there's a company called swissmicros that make replicas of them, they do credit card sized ones as well!
https://www.swissmicros.com/index.php
Sadly not open source though
@maple there's a company called swissmicros that make replicas of them, they do credit card sized ones as well!
https://www.swissmicros.com/index.php
Sadly not open source though