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void setup() {

 // put your setup code here, to run once:

 

 Serial.begin(9600);

int a=15;

  char *b = "there";

  double d = 20.55;

  char buff[50]; // buff is large enough to hold the entire formatted string

 

  sprintf(buff, "Hi %s int a = %d double d = %f\n", b, a, d);

 

  printf(buff);

 

 

 Serial.println("result: ");

 Serial.println(buff);

 

}

 

void loop() {

 // put your main code here, to run repeatedly:

 

}

 

Resultaat:

Hi there int a = 15 double d = 20.550000

result:

Hi there int a = 15 double d = 20.550000