diff --git a/BSB_LAN/custom_functions/Emulation_of_Room_Unit/BSB_LAN_custom.h b/BSB_LAN/custom_functions/Emulation_of_Room_Unit/BSB_LAN_custom.h
new file mode 100644
index 00000000..89482cf9
--- /dev/null
+++ b/BSB_LAN/custom_functions/Emulation_of_Room_Unit/BSB_LAN_custom.h
@@ -0,0 +1,48 @@
+/*
+ * Emulation of temperature sensor of room unit.
+ * You can enter up to five parameter numbers which provide temperature data (for example sensors attached to BSB-LAN) and 
+ * enter these into the three segments of "rgte_sensorid" in BSB_LAN_custom_global.h
+ * The segments 1 to 3 correspond to the room units configured for heating circuits 1 to 3.
+ * If you enter more than one parameter number for one segment, then an average will be calulated and sent to the heater.
+ * A segment of all zeros means that no data will be sent to the corresponding heating circuit.
+*/
+
+  {
+    byte tempTime = (millis() / 60000) % 60;
+    if (newMinuteValue != tempTime) {
+      newMinuteValue = tempTime;
+      uint8_t k = 3; // 3 circuits in BSB/LPB mode
+      if (bus->getBusType() == BUS_PPS) {
+        k = 1;
+      }
+      for (uint8_t i = 0; i < k; i++) {
+        if (rgte_sensorid[i][0].number != 0) {
+          uint8_t z = 0;
+          float value = 0;
+          for (uint8_t j = 0; j < 5; j++) {
+            if (rgte_sensorid[i][j].number != 0) {
+              if(rgte_sensorid[i][j].dest_addr != -1) set_temp_destination(rgte_sensorid[i][j].dest_addr);
+              query(rgte_sensorid[i][j].number);
+              if(rgte_sensorid[i][j].dest_addr != -1) return_to_default_destination(dest_address);
+              if (decodedTelegram.type == VT_TEMP && decodedTelegram.error == 0) {
+                z++;
+                value += atof(decodedTelegram.value);
+              }
+            }
+          }
+          if (z != 0) {
+            _printFIXPOINT(decodedTelegram.value, value / z, 2);
+            if (bus->getBusType() != BUS_PPS) {
+// if we want to substitute own address sometime to RGT1(2,3)
+//              uint8_t saved_own_address = bus->getBusAddr();
+//              bus->setBusType(bus->getBusType(), ADDR_RGT1 + i, bus->getBusDest());
+              set(10000 + i, decodedTelegram.value, false); //send INF message like RGT1 - RGT3 devices
+//              bus->setBusType(bus->getBusType(), saved_own_address, bus->getBusDest());
+            } else {
+              set(15000 + PPS_RTI, decodedTelegram.value, false); //set PPS parameter PPS_RTI (Raumtemperatur Ist)
+            }
+          }
+        }
+      }
+    }
+  }
diff --git a/BSB_LAN/custom_functions/Emulation_of_Room_Unit/BSB_LAN_custom_global.h b/BSB_LAN/custom_functions/Emulation_of_Room_Unit/BSB_LAN_custom_global.h
new file mode 100644
index 00000000..6fc2fa04
--- /dev/null
+++ b/BSB_LAN/custom_functions/Emulation_of_Room_Unit/BSB_LAN_custom_global.h
@@ -0,0 +1,11 @@
+/*
+ * Emulation of temperature sensor of room unit.
+ * You can enter up to five parameter numbers which provide temperature data (for example sensors attached to BSB-LAN) and 
+ * enter these into the three segments of "rgte_sensorid" in BSB_LAN_custom_global.h
+ * The segments 1 to 3 correspond to the room units configured for heating circuits 1 to 3.
+ * If you enter more than one parameter number for one segment, then an average will be calulated and sent to the heater.
+ * A segment of all zeros means that no data will be sent to the corresponding heating circuit.
+*/
+
+parameter rgte_sensorid[3][5] = {{0, 0, 0, 0, 0}, {0, 0, 0, 0, 0}, {0, 0, 0, 0, 0}}; //Temperature sensor program IDs for RGT1/PPS - RGT3. If zero then RGT will not be emulated. If more than one program set per RGT then average will be calculated and used.
+byte newMinuteValue = 99;