Review on π BNYZWOT DC 12V Wired Connector Active Electronic Buzzer 85dB β Pack of 25: Ideal for Sound Signaling Applications by Robert Farrar
NOT what they advertise
I don't think those are 12 volt buzzers. At 12V they scream and distort as if clipped. They draw over 70mA, which I think is a lot. My other buzzers from another manufacturer have almost no ringing at 12V. They also operate on 1V, which is unusual for a 12V device. At 5 volts they work perfectly. If you need a 5 volt buzzer they might work.
- Easy setup
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