int inData; void setup() { Serial.begin(14400); } void loop() { if ( Serial.available() > 0) { inData = Serial.read(); switch (inData) { case 0x01: Serial.write("id:temperatura"); Serial.write(" "); Serial.write("tp:temp"); Serial.write(" "); Serial.write("vl:29"); Serial.write(" "); Serial.write("un:C"); Serial.write(" "); Serial.write("er:99"); Serial.write(" "); Serial.write('\n'); break; } } }