A self-powered computer in actual credit-card size (~1mm thick)
gnabgib
76 points
6 comments
May 23, 2026
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Discussion Highlights (2 comments)
thebruce87m
Slight clarification: It’s battery powered and has no energy generation or harvesting capability.
niccl
There's much more information in the linked github repo at https://github.com/krauseler/muxcard It even includes an eInk display as well as the battery.Insane, but really impressive.