#define RXD2 16 #define TXD2 17 #define GPS_BAUDS 115200 //HardwareSerial gpsSerial(2); HardwareSerial mySerial(2); int counter = 0; void setup() { Serial.begin(115200); mySerial.begin(GPS_BAUDS, SERIAL_8N1, RXD2, TXD2); Serial.println("Serial 2 demarre en 115200 Bds"); } void loop() { while (mySerial.available() > 0) { char gpsData = mySerial.read(); Serial.println(gpsData); } delay(3); //Serial.println("--------------------------------------------"); mySerial.println(String(counter)); if (counter == 1000){ counter = 0; } //Serial.println("Envoie: UART2 " + String(counter)); counter++; delay(0.005); }