Instructions

IDUINO for maker’s life
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Serial.println("c");
delay(1000); }
******Code End******
Module 11: Buzzer module
1.Introduction
It’s a basic sound component. Comparing with the passive buzzer, it can be driven by both
DC signal and square wave signal.
Specification
Operation voltage: 3.3V/5V
Size: 25*15*12mm
Weight: 2g
2 pinout
Pin
Description
S
Signal input pin, which can be driven by DC
signal and square wave signal
+
Power(3.3V/5V), you may not see this mark
on the board, it’s the middle pin
-
Ground
3 Example
Here is a example that driven the active buzzer sound. The connection as below: