PicoMite: driving a passive buzzer

Author	Message
thwill Guru Joined: 16/09/2019 Location: United Kingdom Posts: 4365	Posted: 01:11pm 16 Dec 2022         Volhout said   These are 8 ohm. They will not be suitable for my circuit. The circuit you tried is designed for 32ohm and higher impedance. I am easily confused and having to do "monkey see, monkey do", this is not my familiar world of zeroes and ones ;-) I thought you suggested that circuit when we were discussing the 16R speaker/passive buzzer, not 32R ? - it does also work, if quietly.   Volhout said   You will need a decent amplifier to drive 8 ohm. Such as ? Am I looking at something like this ? https://www.adafruit.com/product/987 And then do I need a filter as well ?   Volhout said   The st060 seems to be the better speaker. The 059 is measured short range and lower power. Thanks, it's the bigger one, though not too big. Best wishes, Tom