Sets the title of the gauge if you want to display a label.
gauge.setTitle(title);
String
containing the title#include <Arduino_MKRIoTCarrier.h>
#include <Arduino_OplaUI.h>
MKRIoTCarrier carrier;
OplaGauge1 gauge1;
void setup() {
carrier.begin();
gauge1.begin(carrier.display);
gauge1.setTitle("TEMPERATURE");
}