Instructions

IDUINO for maker’s life
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delay(sensorValue);
Serial.println(sensorValue, DEC);
val=digitalRead(buttonpin);
if(val==HIGH)
{
digitalWrite(Led,HIGH);
}
else
{
digitalWrite(Led,LOW);
}
}
********Code End********
Module 4： Small microphone module
1.Introduction
This module is similar with the large microphone module(ST1146). The only difference is
the microphone, not only the size, but also the function. The large microphone module has
an electronic microphone, and the small microphone module just has a normal microphone.
The electret microphone has more high sensitivity, but they share the same work method.
Specification
 Voltage:5V/3.3V
 there is a mounting screw hole 3mm