diff --git a/HCPBridgeESP32/src/hciemulator.cpp b/HCPBridgeESP32/src/hciemulator.cpp
index 7da88a1..25159a6 100644
--- a/HCPBridgeESP32/src/hciemulator.cpp
+++ b/HCPBridgeESP32/src/hciemulator.cpp
@@ -162,11 +162,10 @@ void HCIEmulator::poll()
                 // Log(LL_DEBUG, ("ST:"+String(m_lastSendTime)).c_str());
 
                 digitalWrite(TX_ON, HIGH);
-                delayMicroseconds(10);
                 Serial.println("write data");
                 m_port->write(m_txbuffer, m_txlen);
                 Log3(LL_DEBUG, "Response: ", m_txbuffer, m_txlen);
-                // delayMicroseconds(50);
+                delayMicroseconds(m_txlen * 9 * 22); // 8 bits + par * Bittime 18 micros on 57600 bauds
                 digitalWrite(TX_ON, LOW);
                 m_txlen = 0;
             }
diff --git a/HCPBridgeESP32/src/main.cpp b/HCPBridgeESP32/src/main.cpp
index 49e1813..61d1c61 100644
--- a/HCPBridgeESP32/src/main.cpp
+++ b/HCPBridgeESP32/src/main.cpp
@@ -96,13 +96,6 @@ void setup()
   pinMode(TX_ON, OUTPUT);
   digitalWrite(TX_ON, LOW);
 
-  // digitalWrite(TX_ON, HIGH);
-  // for (;;)
-  //{
-  //   RS485.write("hello there");
-  //   delay(100);
-  // }
-
   xTaskCreatePinnedToCore(
       modBusPolling, /* Function to implement the task */
       "ModBusTask",  /* Name of the task */
@@ -210,5 +203,4 @@ void setup()
 // mainloop
 void loop()
 {
-  AsyncElegantOTA.loop();
 }