Guru
Joined: 11/02/2018
Location: AustraliaPosts: 2359
| Posted: 09:01pm 28 Nov 2022 |
An experiment.
Wire it up as per Volhout's active buzzer circuit, but feed it with unfiltered audio from PLAY SOUND. The inductance of the coil plus mechanical inertia will provide some filtering and the 44.1kHz carrier is inaudible anyway.