Calculator project with char array I/O - conversion problem

Projects Programming
13

You can use dtostrf() but you need to include this at the top of your sketch

#include <avr/dtostrf.h>

void setup() {
  // put your setup code here, to run once:

  float val = 3.14159;
  char buff[20];
  dtostrf(val, 4, 6, buff);  
}

void loop() {
  // put your main code here, to run repeatedly:

}