#define PIN_UV A0 struct datos { String Copernico="cp"; float uv; } dat; void setup() { // put your setup code here, to run once: Serial.begin(9600); } void loop() { // put your main code here, to run repeatedly: dat.uv=analogRead(PIN_UV)/20,46; Serial.println(dat.Copernico); delay(1); Serial.println(dat.uv); delay(490); }