radiofreq.ino

#define LED_A 3
#define LED_B 4
#define LED_C 5
#define LED_D 6

#define BUTTON_A 9
#define BUTTON_B 10
#define BUTTON_C 11
#define BUTTON_D 12
void setup(){
  //Serial.begin(9600); // setting the  baud rate
 // Serial.println("RF receiver button decode"); // printing
  pinMode(LED_A, OUTPUT);
  pinMode(LED_B, OUTPUT);
  pinMode(LED_C, OUTPUT);
  pinMode(LED_D, OUTPUT);

  pinMode(BUTTON_A, INPUT);
  pinMode(BUTTON_B, INPUT);
  pinMode(BUTTON_C, INPUT);
  pinMode(BUTTON_D, INPUT);
}

void loop(){

/*here in this code I used if statement to setup my loops codes, yo can  also use while loop statements to control the output in the serial monitor*/

  if (digitalRead(BUTTON_A) == HIGH) { // Button a pressed
  //  Serial.println("you are pushing on the A");
    digitalWrite(LED_A, HIGH); 

  }
  
  if (digitalRead(BUTTON_B) == HIGH) { // Button B pressed
   // Serial.println("you are pushing on B");
    digitalWrite(LED_B, HIGH); 

  }

  if (digitalRead(BUTTON_C) == HIGH) { // Button C pressed
   // Serial.println("you are pushing on C");
    digitalWrite(LED_C, HIGH); 

  }

  if (digitalRead(BUTTON_D) == HIGH) { // Button D pressed
    //Serial.println("you are pushing on D");
    digitalWrite(LED_D, HIGH); 

  }

}