void setup() {
Serial.begin(115200);
Serial.print("GCC Version: ");
Serial.print(__GNUC__);
Serial.print(".");
Serial.print(__GNUC_MINOR__);
Serial.print(".");
Serial.print(__GNUC_PATCHLEVEL__);
Serial.println();
}
void loop() {
// put your main code here, to run repeatedly:
}