Unless you are using the due board:
Replace your
Serial.println("[Your text]");
and
Serial.print("[Your text]");
by
Serial.println(F("[Your text]"));
and
Serial.print(F("[Your text]"));
Best regards
Jantje
Unless you are using the due board:
Replace your
Serial.println("[Your text]");
and
Serial.print("[Your text]");
by
Serial.println(F("[Your text]"));
and
Serial.print(F("[Your text]"));
Best regards
Jantje