Ezeptocore2 (#800)

* ezeptocore

* ezeptocore

* ezeptocore

fix: prevent tap tempo from reseting knobs

6.4.6

fix: sdcard on zeptocore

fix: add working directory

v6.4.3

Former-commit-id: 76a1b3d

fix: update workflow

Former-commit-id: 8e27139

Merge pull request #754 from schollz/v2

fix: update build and release
Former-commit-id: 4d98c1f

v6.4.0

Former-commit-id: 9ae12f3

ok

Former-commit-id: 1b66fea