   // scheduler handler
   runner.execute();
 }
+


  Hardware:
  - Arduino MKR Zero
  - Arduino MKR 485 shield (with 3 dip switch to off) 
      -> RS signal to spy connect to Y and Z
*/

#include <stdarg.h>

      }
    }
    else if (s_cmd.equals("dump")) {
      Serial.println("dump mode is on");
      dump_mode = true;
    }
    else if (s_cmd.equals("end")) {
      Serial.println("dump mode is off");
      dump_mode = false;
    }
    else if (s_cmd.equals("clear")) {
      // clear counters
