some fixes, strange zeros in between

ModbusThermometer.cpp

@@ -21,7 +21,7 @@ void setup() {
   Serial.begin(9600);
   delay(1000);
   
-  led(LED_PIN);
+  led.begin(LED_PIN);
   ads1210.begin(ADC_CS_PIN, ADC_RDY_PIN);
 }
 
@@ -31,6 +31,6 @@ void loop() {
   if (secondTick.check() == 1) {
     led.toggle();
 
-    Serial << "AdcValue: " << adc1210.value << endl; 
+    Serial << "AdcValue: " << _HEX(ads1210.value) << endl;
   }
 }