کد:
int Led = 13 ;// define LED Interface
int buttonpin = 3; // define D0 Sensor Interface
int val = 0;// define numeric variables val
void setup ()
{
pinMode (Led, OUTPUT) ;// define LED as output interface
pinMode (buttonpin, INPUT) ;// output interface D0 is defined sensor
}
void loop ()
{
val = digitalRead(buttonpin);// digital interface will be assigned a value of pin 3 to read val
if (val == HIGH) // When the sound detection module detects a signal, LED flashes
{
digitalWrite (Led, HIGH);
}
else
{
digitalWrite (Led, LOW);
}
}
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