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Figure 16-1:
Buzzer module
16. Buzzer
The board is also equipped with piezo buzzer. It is an electric
component which can be used to create sound when is provided
with electrical signal. This is usually a PWM signal coming
from a microcontroller pin. Frequency of the signal
determines the pitch of the sound and duty
cycle of the signal can be used to
increase or decrease the volume.
Содержание MIKROE-1399
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