@user110973 I just double checked and these are really the only ones that make sense. I overlooked that the other ones I had found with the filters are "feedback" piezos.
Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
@user110973 I just double checked and these are really the only ones that make sense. I overlooked that the other ones I had found with the filters are "feedback" piezos.