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Topic: Replace a buzzer to an amplifier in a PIR sensor project (Read 306 times) previous topic - next topic


Hi, I want to make a project of PIR sensor but i want to replace the buzzer to an audio amplifier. Will that be okay?

Coding Badly

@Pangchunling, do not cross-post.  Do not hijack.  Other post removed.


Maybe, but a 5V signal might be too much for your amplifier. If so you can cut it down with a potential divider. I would also put a capacitor in seriese with the signal.

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