 
 // POCS looks for this name.
 const char BOARD_NAME[] = "power_board";
+
+// Meanwell UPS AC and Battery pins.
+const int AC_OK = 12;
+const int BAT_LOW = 11;
+
+/******************************************/
+/* Shouldn't need to change anything below.
+/******************************************/
 
 // Set initial states for each relay. Change as needed.
 const bool DEFAULT_START_0 = HIGH;

  int seconds_stamp = millis() / time_period;

  StaticJsonDocument<192> doc;

  JsonArray relays = doc.createNestedArray("relays");
  relays.add(is_relay_on(RELAY_0));

  pinMode(IS_1, INPUT);
  pinMode(IS_2, INPUT);

  // Setup AC and Battery pins
  pinMode(AC_OK, INPUT);
  pinMode(BAT_LOW, INPUT);

  // Setup diagnosis enable pins
  pinMode(DEN_0, OUTPUT);
  pinMode(DEN_1, OUTPUT);
