How to send float over serial

Question

What\'s the best way to send float, double, and int16 over serial on Arduino?

The Serial.print() only sends val

Answer 1

This simply works. Use Serial.println() function

void setup() {
  Serial.begin(9600);

}

void loop() {
  float x = 23.45585888;
  Serial.println(x, 10);
  delay(1000);
}

And this is the output: