diff --git a/arduino/LoRareceiver/SenderKnob.ino b/arduino/LoRareceiver/SenderKnob.ino
new file mode 100644
index 0000000..775b275
--- /dev/null
+++ b/arduino/LoRareceiver/SenderKnob.ino
@@ -0,0 +1,85 @@
+#include <LoRa.h>
+#include "boards.h"
+#include <SafeString.h>
+#include <millisDelay.h>
+
+
+//elapsedMillis timeElapsed;
+//unsigned int interval = 20000;
+millisDelay codetimer;
+int counter = 0;
+int percent = 0;
+int prevPercent = 0;
+long futuretime = 0;
+long timetowait = 1000 * 3; //thelast number is the seconds 
+int secretcode = 21;
+int addedRandom = 0;
+
+
+void setup()
+{   
+  Serial.begin( 9600 );
+    initBoard();
+    // When the power is turned on, a delay is required.
+    delay(1500);
+    Serial.println("LoRa Sender");
+    LoRa.setPins(RADIO_CS_PIN, RADIO_RST_PIN, RADIO_DI0_PIN);
+    if (!LoRa.begin(LoRa_frequency)) {
+        Serial.println("Starting LoRa  failed!");
+        while (1);
+    }
+}
+
+void loop(){
+  percent = round(analogRead(2) / 4095.00 * 100 + addedRandom);
+  
+    if(percent != prevPercent) {
+      Serial.println(percent);
+      LoRa.beginPacket();
+      LoRa.print("node4 ");
+      LoRa.print(percent);
+      LoRa.endPacket();
+      prevPercent = percent;
+      futuretime = millis() + timetowait; // current time plus the timetowait
+    }
+    
+    
+//    delay(100);
+//    Serial.print("Sending packet: ");
+//    Serial.println(percent);
+
+    // send packet
+
+
+
+
+#ifdef HAS_DISPLAY
+
+    if (u8g2) {
+        char buf[256];
+        dtostrf(percent,3,0,buf);
+        u8g2->clearBuffer();
+        String message = String(percent);
+        u8g2->drawStr(0, 20, " Gateway code:");
+//        snprintf(buf, sizeof(buf), "Sending: %d", counter);
+        u8g2->drawStr(0, 40, buf);
+        if(futuretime > millis()){ // checks the current time with the future time -> count down
+      u8g2->drawStr(0, 60, " connecting...");
+    }
+
+
+        
+        if(percent == secretcode && futuretime+10000 < millis()){
+        u8g2->drawStr(0, 60, "   connecting...");
+        addedRandom = random(0,10);
+        }
+
+        else if(percent == secretcode && futuretime < millis()) {
+         u8g2->drawStr(0, 60, " PORT: 20.15.18");
+        }
+//        u8g2->print(percent);
+        u8g2->sendBuffer();
+    }
+#endif
+    counter++;
+}
diff --git a/arduino/LoRareceiver/boards.h b/arduino/LoRareceiver/boards.h
index c2c4d48..29f2c03 100644
--- a/arduino/LoRareceiver/boards.h
+++ b/arduino/LoRareceiver/boards.h
@@ -167,5 +167,3 @@ void initBoard()
 #endif
 
 }
-
-