Buzz like a UPS

This is yet another simple test of a new hardware component that I haven’t played with before. Buzzer is an audio device which may be mechanical, electromechanical, or piezoelectric. It can generate from quite awful UPS-like siren to melodious tone; it really depends on how you want to use it. I just wanted to make noise like that of a UPS does when electricity goes off.

The rest of the post can be found here.

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