Question

.Write a code when switch is off buzzer on and 4 led off blinking else buzzer off and 4 led start blinking when switch is off​

Answer 1

Answer:

program is added in the attachment

Answer 2

Answer:

int led=13;   //declare pin 13 of arduino as led pin

int buzzer=8; // declare pin 8 of arduino as buzzer pin

void setup()

{

pinMode(led,OUTPUT); //set yhe led pin as output

pinMode(buzzer,OUTPUT); //set the buzzer pin as output

}

void loop()

{

digitalWrite(led,HIGH); //turning led on

delay(1);

digitalWrite(buzzer,HIGH);// turning buzzer on

delay(1000); //delay of 1 second

digitalWrite(led,LOW); //turning led off

delay(1);

digitalWrite(buzzer,LOW); //turning led off

delay(1000);

}

Explanation: