The KY-012 active buzzer module produces a single-tone sound when it receives a high signal. This module has a built-in oscillation circuit; thus, the sound frequency is fixed. It has 3 header pins. It can be used to generate tones between 1.5 and 2.5 kHz by switching it on and off repeatedly at different frequencies, either using delays or PWM. It is able to generate the sound itself.

Price: 60/-
Stock: 47+
Offer: None
Total Sold: 15+
Category: Hobby Electronics
Reviews: Dak Ticket (Daraz)

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