Add Magnetic card emulation for C-Netz

Emulation can be done with a coil connected to sound card.

Alternatively an Attiny85 can be used to control a coil.
This commit is contained in:
Andreas Eversberg
2021-11-07 20:00:41 +01:00
parent 922b4af362
commit 465445aac5
22 changed files with 16899 additions and 0 deletions
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