Uploaded November 2023 | Updated September 2026, 2 weeks ago

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Table Of Contents:
00:00 Introduction
00:44 Working principle "Active Hammer"
01:55 Electronics
04:21 Engraving at 3.3V
04:57 Engraving at 5V (1)
05:28 Engraving at 12V
06:50 Weak points
08:29 Engraving at 5V (2)
09:16 Engraving with 0.1 mm/s
10:09 Conclusion