Hi,
what about piezos?
they are cheap, but can crash. I think there's also some tutorials about them. A protected circuit could be also required, as a high impact can deliver more than 5v, toasting your board.
toni
Hi,
what about piezos?
they are cheap, but can crash. I think there's also some tutorials about them. A protected circuit could be also required, as a high impact can deliver more than 5v, toasting your board.
toni