2 layers20.5 × 46.5 mm

NiceTOTP
ICantMakeThings/NiceTOTP
Air Gapped (except configuration) TOTP Hardware key, using the nRF52840.
7 parts10MIT
KiCad boards from 2 GitHub repositories tagged “totp”, the most starred first; open any of them in PCBKit.

ICantMakeThings/NiceTOTP
Air Gapped (except configuration) TOTP Hardware key, using the nRF52840.
