void setup() {
  // put your setup code here, to run once:
  uint8_t ent = 0;
  uint8_t dec = 0; //con 2 decimales
  //uint16_t dec = 0; //con 3 decimales
  float flot = 7866.668;
  Serial.begin(9600);
  Serial.print( "El numero: " );
  Serial.println( (double)(flot / 63) , 3 );
  double decpart, entpart;
  decpart = modf( (flot / 63), &entpart );

  ent = (uint8_t) entpart;
  dec = (uint8_t) (decpart*100); //con 2 decimales
  //dec = (uint16_t) (decpart*1000); //con 3 decimales

  Serial.print("entera: ");
  Serial.println( ent );

  Serial.print("decimal: ");
  Serial.println( dec );

  flot = (float) ent + ((float) dec / 100 ); //con 2 decimales
  //flot = (float) ent + ((float) dec / 1000 ); //con 3 decimales
  flot = flot + 1.23;
  Serial.print("el numero de nuevo + 1.23: ");
  Serial.println(flot , 3);

  uint32_t inttest = 123456;
  Serial.println((inttest/100.0));


}

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