Added more debug output

src/src.ino

@@ -120,6 +120,8 @@ void loop() {
       Serial.println(charge_percent);
       Serial.print("Alert level: ");
       Serial.println(fuelGauge.alertThreshold());
+      Serial.print("Alert: ");
+      Serial.println(fuelGauge.isAlerting());
     }
     else {
       Serial.println("MAX1704 not found!");